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The Jaguar XJ (X351) is a
saloon car A sedan (American English) or saloon (British English) is a automobile, passenger car in a three-box styling, three-box configuration with separate compartments for an engine, passengers, and cargo. The first recorded use of ''sedan'' in refer ...
built by British manufacturer
Jaguar Cars Jaguar (, ) is the sports car and luxury vehicle brand of Jaguar Land Rover, a British multinational corporation, multinational automaker, car manufacturer with its headquarters in Whitley, Coventry, England. Jaguar Cars was the company that ...
, later known as
Jaguar Land Rover Jaguar Land Rover Automotive PLC is the holding company of Jaguar Land Rover, also known as JLR, and is a British multinational automobile manufacturer which produces luxury vehicles and SUVs and has its head office in Whitley, Coventry, Unite ...
, from 2010 to 2019. It is the fourth-generation of the
Jaguar XJ The Jaguar XJ is a series of mid-size/full-size luxury cars produced by British automobile manufacturer Jaguar Cars (becoming Jaguar Land Rover in 2013) from 1968 to 2019. It was produced across four basic platform generations (debuting in 1968 ...
model. Referred to internally within Jaguar as the X351, it was announced in 2009 before going on sale in 2010, and combines revised styling with underpinnings of the previous
Jaguar X350 The Jaguar XJ (X350) is a full-size four-door luxury saloon car, sedan/saloon manufactured and marketed worldwide by Jaguar Cars for model years 2003–2009 as the third generation of the Jaguar XJ saloon, carrying the internal designation ''X3 ...
generation. The model was discontinued in 2019. It is the final generation of the XJ, after the
electric Jaguar XJ The electric Jaguar XJ was a Electric car, battery-electric luxury saloon car due to be launched in 2021 by British car company Jaguar Land Rover (JLR) under their Jaguar Cars marque. It was to supersede the XJ (X351), the last example of whic ...
was cancelled in February 2021.


Overview

Jaguar invited
Jay Leno James Douglas Muir Leno ( ; born April 28, 1950) is an American television host, comedian, and writer. After doing stand-up comedy for years, he became the host of NBC's ''The Tonight Show with Jay Leno, The Tonight Show'' from 1992 until 200 ...
to unveil the new XJ during the launch at the
Saatchi Gallery The Saatchi Gallery is a London gallery for contemporary art and an independent charity opened by Charles Saatchi in 1985. Exhibitions which drew upon the collection of Charles Saatchi, starting with US artists and minimalism, moving to the ...
in London on 9 July 2009. The event was broadcast live on the Jaguar website. The US model was unveiled at the 2009
Pebble Beach Concours d'Elegance The Pebble Beach Concours d'Elegance is an annual automotive event held on the Pebble Beach Golf Links in Pebble Beach, California. It is widely considered the most prestigious car show in the world and it is the pinnacle ''Concours d'Elegance'' c ...
. Production of the car was due to begin in September 2009, with first deliveries being made in early 2010. Production later began in 2010, with the car arriving in dealer showrooms in May 2010. Production was initially carried out only at the
Castle Bromwich Assembly Castle Bromwich Assembly is a factory owned by Jaguar Land Rover. It is located on the Chester Road in Castle Vale, Birmingham, England and employs 3,200 people. The plant is situated on a site, with a manufacturing facility. It formerly m ...
plant in
Birmingham Birmingham ( ) is a City status in the United Kingdom, city and metropolitan borough in the metropolitan county of West Midlands (county), West Midlands, within the wider West Midlands (region), West Midlands region, in England. It is the Lis ...
, England. From 2014, assembly from
complete knockdown kits A knock-down kit (also knockdown kit, knocked-down kit, or simply knockdown or KD) is a collection of parts required to assemble a product. The parts are typically manufactured in one country or region, and then exported to another country or r ...
, or CKD, of the XJ commenced at Jaguar Land Rover's facility in
Pune Pune ( ; , ISO 15919, ISO: ), previously spelled in English as Poona (List of renamed Indian cities and states#Maharashtra, the official name until 1978), is a city in the state of Maharashtra in the Deccan Plateau, Deccan plateau in Western ...
, India.


Design

The XJ was designed at Jaguar Land Rover's Whitley plant in Coventry by a team led by design director
Ian Callum Ian Stuart Callum (born 30 July 1954) is a British car designer who has worked for Ford Motor Company, Ford, Tom Walkinshaw Racing, TWR, and Aston Martin. In 1999 he became the Director of design for Jaguar Cars, later Jaguar Land Rover, a pos ...
. Design work began in 2005, with final design approval taking place in November 2006 and the design being frozen in the first half of 2008. The new design is a complete departure from any earlier XJ model; mechanically, the car is a development of its predecessor.


Models

In addition to the standard version with a wheelbase, a long-wheelbase version was available with a wheelbase. At the 2010 Moscow Motor Show, a high security version of the car called the XJ Sentinel was introduced. This is an armoured version of Long Wheelbase XJ with B7-level ballistic protection as well as providing protection against 15 kg TNT or equivalent explosive. It has the 5.0 L supercharged V8 engine shared with the XJ Supersport having a power output of and 19-inch wheels with Dunlop Self Supporting Technology
run-flat tyres A run-flat tire is a pneumatics, pneumatic vehicle tire designed to resist the effects of deflation when punctured, allowing the vehicle to continue to be driven at reduced speeds for limited distances. First developed by tire manufacturer Michelin ...
. Unlike other full-size flagship executive cars, the long-wheelbase variant was designed first and was expected to make up 67 percent of sales in the US market.


Engines

The engine used by the X351 are enlarged and upgraded versions of the previously used V8 petrol and V6 diesel engines.


Transmission and top speed

All 2010 models of the Jaguar XJ include standard six-speed
automatic transmission An automatic transmission (AT) or automatic gearbox is a multi-speed transmission (mechanics), transmission used in motor vehicles that does not require any input from the driver to change forward gears under normal driving conditions. The 1904 ...
with Jaguar Sequential Shift carried over from the X350, the main change being steering wheel shift paddles rather than the ''J''-gate gear selector. The XJ has an electronically limited top speed of ; the limiter has been raised to for the XJR model. An eight speed automatic transmission was introduced from 2013 onwards.


Chassis

The XJ features a lightweight
aluminium Aluminium (or aluminum in North American English) is a chemical element; it has chemical symbol, symbol Al and atomic number 13. It has a density lower than that of other common metals, about one-third that of steel. Aluminium has ...
floorpan and body (with 50% recycled material content) based on the X350 chassis and retaining a proportion of the earlier floor pan. The biggest change is reversion to steel coil springs for the front suspension, retaining
air suspension Air suspension is a type of vehicle suspension powered by an electric or engine-driven air pump or compressor. This compressor pumps the air into a flexible bellows, usually made from textile-reinforced rubber. Unlike hydropneumatic suspensio ...
for the rear only. Continuously variable damping is electronically controlled as before but with driver selectable modes. The aluminium alloy uni-body makes the XJ L among the lightest of the full-size executive saloons despite its exterior proportions, weighing in at , which is lighter than the mid-size/executive BMW 550i.


Equipment

Driver information and entertainment is provided by a
Bowers & Wilkins Bowers & Wilkins, commonly known as B&W, is a British company that produces consumer and professional loudspeakers and headphones. The company was founded in 1966 in Worthing, West Sussex, England. In October 2020, it was acquired by Sound U ...
1,200-watt, 20-speaker Dolby 7.1 surround-sound system, along with a bi-directional
touch screen A touchscreen (or touch screen) is a type of electronic visual display, display that can detect touch input from a user. It consists of both an input device (a touch panel) and an output device (a visual display). The touch panel is typically l ...
display on which the driver can only see the vehicle functions and
satellite navigation A satellite navigation or satnav system is a system that uses satellites to provide autonomous geopositioning. A satellite navigation system with global coverage is termed global navigation satellite system (GNSS). , four global systems are ope ...
data; a front passenger can simultaneously view a DVD movie or a television transmission. Standard equipment levels on the United States-spec XJ L with the base engine includes a panoramic dual-pane moonroof, lane-departure warning, navigation, quad-zone climate control, and power sunshades, which is considered to be generous at this price point compared to other flagship executive saloons.


Fuel economy and emissions

The diesel engine version had a fuel economy of better than and a emission rating of 184 
g/km Emission standards are the legal requirements governing air pollutants released into the atmosphere. Emission standards set quantitative limits on the permissible amount of specific air pollutants that may be released from specific sources ov ...
.


Special uses

The car has been used by
British prime minister The prime minister of the United Kingdom is the head of government of the United Kingdom. The prime minister advises the sovereign on the exercise of much of the royal prerogative, chairs the Cabinet, and selects its ministers. Modern pri ...
s. Dating back to the Jaguar XJ (Series III), various versions of the XJ were used by
Margaret Thatcher Margaret Hilda Thatcher, Baroness Thatcher (; 13 October 19258 April 2013), was a British stateswoman who served as Prime Minister of the United Kingdom from 1979 to 1990 and Leader of the Conservative Party (UK), Leader of th ...
,
John Major Sir John Major (born 29 March 1943) is a British retired politician who served as Prime Minister of the United Kingdom and Leader of the Conservative Party (UK), Leader of the Conservative Party from 1990 to 1997. Following his defeat to Ton ...
,
Tony Blair Sir Anthony Charles Lynton Blair (born 6 May 1953) is a British politician who served as Prime Minister of the United Kingdom from 1997 to 2007 and Leader of the Labour Party (UK), Leader of the Labour Party from 1994 to 2007. He was Leader ...
, and
Gordon Brown James Gordon Brown (born 20 February 1951) is a British politician who served as Prime Minister of the United Kingdom and Leader of the Labour Party (UK), Leader of the Labour Party from 2007 to 2010. Previously, he was Chancellor of the Ex ...
. On 11 May 2010,
David Cameron David William Donald Cameron, Baron Cameron of Chipping Norton (born 9 October 1966) is a British politician who served as Prime Minister of the United Kingdom from 2010 to 2016. Until 2015, he led the first coalition government in the UK s ...
took delivery of the dark grey car No. 10 Jaguar XJ Sentinel as his
prime ministerial car Until 2023, British manufactured cars had always been used as prime ministerial cars by the prime ministers of the United Kingdom. The cars currently used are armoured, custom built Range Rover Sentinel supercharged 5.0 litre V8 models and armo ...
. In 2011, Cameron took the delivery of another XJ Sentinel featuring bomb proof doors, bullet proof glass, and armoured plating beneath the floor of the car, respectively replacing the previous XJ Sentinel. The car was used for transporting
Theresa May Theresa Mary May, Baroness May of Maidenhead (; ; born 1 October 1956), is a British politician who served as Prime Minister of the United Kingdom and Leader of the Conservative Party from 2016 to 2019. She previously served as Home Secretar ...
, and was also used by
Boris Johnson Alexander Boris de Pfeffel Johnson (born 19 June 1964) is a British politician and writer who served as Prime Minister of the United Kingdom and Leader of the Conservative Party (UK), Leader of the Conservative Party from 2019 to 2022. He wa ...
. Under Johnson, the XJ was replaced for the first time since 1979 by the
Range Rover The Land Rover Range Rover, generally shortened to Range Rover, is a Sport utility vehicle, 4x4 Luxury car, luxury SUV produced by Land Rover, a marque and sub-brand of Jaguar Land Rover, owned by Tata Motors. The Range Rover line was launched ...
Abio Sentinel as the prime ministerial car in 2019.


Model year changes


2011

New options include: *New Rear Seat Comfort package, which incorporates electric recline, lumbar adjustment and massage functions to reinforce the ultimate executive limousine experience. *Executive Pack option is added to XJL Portfolio model, which includes provision of fold-down laptop trays and an electric rear sunblind, upgraded carpeting, combination wood and leather steering wheel, gloss wood veneer choices and chrome mirror housings. *Sport and Speed Pack option, which includes a new front splitter and rear spoiler, suede headliner, sport seats with contrasting stitching, bright metal pedals, either piano black or carbon-fiber interior trim, gloss black exterior trim, red brake calipers, and Venom 20-inch wheel design. The speed governor is relaxed from to . *Illumination Package (standard on Supersport model) is available as option of other XJ models. *3.0-litre petrol V6 engine for selected markets, launched in China.


XJ 5.0 V8 Portfolio Prestige

The XJ V8 Portfolio Prestige is a special model developed for the Hong Kong market. Based on the XJ L Portfolio with a 5.0-litre V8 engine, it includes the XJ rear seat comfort pack and gloss oak interior veneer as standard equipment.


XJ Ultimate

The XJ Ultimate is a special model introduced in 2011. Available only in the long wheelbase configuration, the car was developed by the Jaguar Land Rover's specialist Engineered To Order (ETO) division and was unveiled at the 2012
Beijing Auto Show Beijing International Automotive Exhibition (), Beijing Motor Show () or Auto China is an auto show held biennially in Beijing, China since 1990. 2024 The 2024 Auto China show dates are scheduled for 25 April - 4 May 2024 at the New China Interna ...
. Mechanical equipment for the US model includes a 5.0 L supercharged V8 engine rated at and an eight-speed automatic transmission. The XJ went on sale in late 2012 as the 2013 model year vehicle. In India, the XJ Ultimate is available with a 5.0-litre V8 petrol engine that costs or with a 3.0-litre V6
turbocharged In an internal combustion engine, a turbocharger (also known as a turbo or a turbosupercharger) is a forced induction device that is powered by the flow of exhaust gases. It uses this energy to compress the intake air, forcing more air into the ...
diesel engine that costs .


2012

Changes include: *Introduction of a 3.0-litre supercharged V6 engine *Eight-speed automatic transmission for all models. *Jaguar's Intelligent Stop/Start system extended to all V6 and V8 petrol and all diesel engines. *The supercharged V8 petrol engine has fuel economy gains of up to 11% with emissions reductions of more than 8%, while the naturally aspirated V8 sees economy improvements of up to 8% with emissions down by more than 6%. *Optional sound systems developed by British ultra-premium specialist Meridian. Available in two power outputs — 380 W and 825 W — both featuring multiple channel amplifiers and
digital signal processing Digital signal processing (DSP) is the use of digital processing, such as by computers or more specialized digital signal processors, to perform a wide variety of signal processing operations. The digital signals processed in this manner are a ...
software powering an array of loudspeakers. *Infotainment system updates enhance the audio and navigation interfaces and usability. *Suspension enhancements to the XJ further optimise passenger comfort.


XJR (2013–2019)

Introduced in 2013, the XJR is a high-performance variant of the XJ. Available in standard and long wheelbase configurations, it includes a 5.0-litre supercharged V8 engine rated at and , an increased top speed to , eight-speed automatic transmission with a bespoke tuning for the XJR, a new front splitter and aerodynamic sill section combined with an additional rear spoiler and unique ''R'' bonnet louvres, Electronic Active Differential and
Dynamic Stability Control Electronic stability control (ESC), also referred to as electronic stability program (ESP) or dynamic stability control (DSC), is a computerized technology that improves a vehicle's stability by detecting and reducing loss of traction ( skiddi ...
systems calibrated to enhance handling characteristics, new 20-inch Farallon forged alloy wheels with bespoke
Pirelli Pirelli & C. S.p.A. is an Italian multinational tyre manufacturer based in the city of Milan, Italy. The company, which has been listed on the Borsa Italiana since 1922, is the 5th-largest tyre manufacturer, and is focused on the consumer pro ...
low-profile tyres, semi-aniline leather, a choice of veneers, and contrasting stitching on the seats. The XJR was initially unveiled at 2013
New York Auto Show The New York International Auto Show is an annual auto show that is held in Manhattan, New York City in late March or early April. It is held at the Javits Center, Jacob Javits Convention Center. It usually opens on or just before Easter weeke ...
, followed by the 2013
Goodwood Festival of Speed The Goodwood Festival of Speed is an annual motorsports festival featuring modern and historic motor racing vehicles taking part in a hillclimbing, hillclimb and other events, held in Goodwood House, West Sussex, in late June or early July. Th ...
. The US model went on sale as 2014 model year vehicle.


Transmissions

All models include
ZF 8HP 8HP is ZF Friedrichshafen AG's trademark name for its 8-speed automatic transmission models with hydraulic converter and planetary gearsets for longitudinal engine applications. Designed and first built by ZF's subsidiary in Saarbrücken, Germ ...
eight-speed automatic transmission.


2014

Changes include optional Intelligent
All-Wheel Drive An all-wheel drive vehicle (AWD vehicle) is one with a powertrain capable of providing power to all its wheels, whether full-time or on-demand. Types The most common forms of all-wheel drive are: ;1x1 : All unicycles Reflects one axle with ...
System for 3.0-litre V6 petrol engine models, addition of long-wheelbase models, power output of the XJR model increased to , Intelligent Stop/Start system for all engines and increased headroom for long-wheelbase models (except US model).


2016

The XJ received a facelift for MY2016. Changes include LED front and rear lights, rear J-Blade lights, a new grille, and a new InControl Touch Pro infotainment system, new driver assistance technology and a new audio system.


2017–2019

Models 2017-2019 received an upgraded 10" infotainment LCD, up from 7" LCD that was offered on all previous models.


Discontinuation

On 30 May 2019, '' Autocar'' reported that Jaguar would discontinue the X351 in July 2019, partly to make way for a new flagship XJ
electric car An electric car or electric vehicle (EV) is a passenger car, passenger automobile that is propelled by an electric motor, electric traction motor, using electrical energy as the primary source of propulsion. The term normally refers to a p ...
planned to be built at Castle Bromwich. The article mentioned that, despite its status, it was Jaguar's least popular model, selling 301 in September 2018 compared with 4,492
Jaguar F-Pace The Jaguar F-Pace (X761) is a compact luxury crossover SUV made by Jaguar Land Rover, a British car manufacturer, under their Jaguar marque. It is the first Jaguar model in the SUV class. It was formally announced at the 2015 North American ...
SUVs and 2,252
Jaguar XE The Jaguar XE (X760) is a front engine, rear- or all-wheel drive four-door compact-executive saloon manufactured by Jaguar Land Rover and marketed under their Jaguar marque for model years 2016–2024 — across a single generation. The ...
saloons. In February 2021, it was announced that the electric XJ successor was cancelled for the present. The company said: "Following a thorough technology review against the exponential change in the automotive industry, we concluded that the planned XJ replacement does not fit with our vision for a reimaged Jaguar brand." As reported by Richard Porter of ''
Sniff Petrol ''Sniff Petrol'' is an inactive online motoring satire Satire is a genre of the visual, literary, and performing arts, usually in the form of fiction and less frequently non-fiction, in which vices, follies, abuses, and shortcomin ...
'' in August 2022, the prototypes of the cancelled successor still existed and were SORN, and subsequently found out other prototypes existed and were still being tested on the road. In a September 2022 retrospective, James Howe wrote: "Fans of the XJ may regard the X351 as too far removed from the familiar flowing lines of its seven predecessors, but even 12 years after it was launched at the Saatchi Gallery in London, and two years since production ceased, it still looks modern and unmistakably Jaguar."


References


Further reading

*


External links

*Jaguar pages
XJ

XJ Sentinel

Official Jaguar XJ (X351) media website
*XJ X351 eBrochure
2009

2011

2012
*Media kits
XJ20112012
{{DEFAULTSORT:Jaguar Xj (X351) Cars introduced in 2010 Cars discontinued in 2019 Flagship vehicles Full-size vehicles XJ4 Rear-wheel-drive vehicles Sports sedans