inline-four
A straight-four engine (also called an inline-four) is a four-cylinder piston engine where cylinders are arranged in a line along a common crankshaft.
The vast majority of automotive four-cylinder engines use a straight-four layout (with the e ...
piston engine
A reciprocating engine, also often known as a piston engine, is typically a heat engine that uses one or more reciprocating pistons to convert high temperature and high pressure into a rotating motion. This article describes the common featu ...
s by Nissan were introduced in 2000 and range from in displacement. These motors are aluminum, dual overhead camshaft (
DOHC
An overhead camshaft (OHC) engine is a piston engine where the camshaft is located in the cylinder head above the combustion chamber. This contrasts with earlier overhead valve engines (OHV), where the camshaft is located below the combustion c ...
), four-valve designs with
variable valve timing
In internal combustion engines, variable valve timing (VVT) is the process of altering the timing of a valve lift event, and is often used to improve performance, fuel economy or emissions. It is increasingly being used in combination with varia ...
QR20DE
The QR20DE produces at 6000 rpm and at 4000 rpm. The bore and stroke is and a
compression ratio
The compression ratio is the ratio between the volume of the cylinder and combustion chamber in an internal combustion engine at their maximum and minimum values.
A fundamental specification for such engines, it is measured two ways: the stati ...
of 9.9:1. The QR20DE was replaced with the MR20DE engine in most applications in early 2005.
Vehicle applications:
* 2001-2007
Nissan X-Trail
The is a compact crossover SUV produced by the Japanese automaker Nissan since 2000. Since its introduction, the X-Trail is positioned below the truck-based Xterra and Pathfinder.
Since the third-generation model, the X-Trail became the same ve ...
T30,
* 2001-2007
Nissan Primera
The is a Mid-size car, large family car which was produced by the Japanese automaker Nissan from 1990 to 2007, for the markets in Japan and Europe. In Japan, it replaced the Nissan Stanza, Auster/Stanza, and was exclusive to ''Nissan Motor Comp ...
P12
* 2002–present
Nissan Serena
The is a minivan manufactured by Nissan, joining the slightly larger Vanette. It was also marketed by Suzuki as the between 2007 and 2022. The car was engineered by Nissan's Aichi Manufacturing Division and launched in 1991 as a compact pass ...
C24,
* 2003-2008
Nissan Teana
The is a mid-size sedan produced by Japanese automobile manufacturer Nissan. It was exported as the Nissan Maxima and Nissan Cefiro to certain markets. It replaces the Nissan Bluebird, Laurel and Cefiro. It shares a platform with the Nissan ...
J31,
* 2001-2005
Nissan Wingroad
The Nissan AD is a subcompact van and station wagon, wagon built by Nissan since 1982. The AD is sold under a different name when manufactured as a passenger car, called the .
__TOC__
VB11 series
In October 1982, the AD Van supplemented (a ...
Y11
* 2002-2005
Nissan Avenir
The Nissan Avenir is a line of station wagons beginning production in May 1990 by Nissan of Japan, with the budget oriented delivery van starting out as the Avenir Cargo, then being renamed the Nissan Expert ( ja) in 1999. The Avenir replaced the ...
W11
* 2001-2004
Nissan Prairie
The is an automobile manufactured and marketed by Nissan from 1981 to 2004. Considered a mini MPV or a compact MPV. It was also marketed as the Multi in Canada and the Stanza Wagon in the United States. In Japan, it was exclusive to '' Nissan Blue ...
M12
* 2007-2020
Nissan Atlas
The Nissan Atlas ( ja, 日産・アトラス) is a series of pickup trucks and light commercial vehicles manufactured by Nissan. It is built by UD Trucks for the Japanese market, and by the Renault-Nissan Alliance for the European market. The ...
F24
QR20DD
The QR20DD is similar to the QR20DE but features NEO direct injection to improve fuel economy and to reduce emission It produces at 6000 rpm and at 4400 rpm.
Vehicle applications:
* 2000-2004
Nissan Bluebird Sylphy
, trading as Nissan Motor Corporation and often shortened to Nissan, is a Japanese multinational automobile manufacturer headquartered in Nishi-ku, Yokohama, Japan. The company sells its vehicles under the Nissan, Infiniti, and Datsun brands, ...
QR25DE
The QR25DE is a variant built with cast steel connecting rods, a steel timing chain, counter-rotating balance shafts, and an aluminum intake manifold. The engine bore and stroke is and a compression ratio ranging from 9.5:1 to 10.5:1 depending on the vehicle.
Output is rated at 6000 rpm with of torque at 4000 rpm in the Altima 2.5 and Sentra SE-R models. Altimas that are
PZEV A partial zero-emission vehicle, in the United States, is an automobile that has zero evaporative emissions from its fuel system, has a 15-year (or at least 150,000-mile) warranty on its emission-control components, and meets SULEV tailpipe-emissio ...
compliant create and of torqu In the 2005+ Nissan Frontier the QR25DE generates and of torqu
2007+ QR25DE
The revised QR25DE found in the 2007+ Sentra, Altima, Rogue, etc. has a number of improvements over the older QR25DE. These include:
* A simpler, larger diameter single path resin intake manifold replaced the old dual path design. (Note: California emissions models do have a swirl control valve located in the intake)
* Revised piston crown shape to support a higher compression ratio of 9.6:1.(10.5:1 in Sentra SE-R Spec V.)
* The balancer system has been moved back slightly from the crank pulley to a more centric location in the block.
* Revised cam shaft profile.
* Reinforced connecting rods only available in the Sentra SE-R Spec V 2007-2012 .
* Reduced friction likely through Nissan's extensive use of coatings on pistons, journal bearings, etc.
* Additional engine mount on the top of the motor, pulley side.
* Higher rev limit and improved power output.
* 1999–2003 Nissan Bassara-
* 2001–2005
Nissan Serena
The is a minivan manufactured by Nissan, joining the slightly larger Vanette. It was also marketed by Suzuki as the between 2007 and 2022. The car was engineered by Nissan's Aichi Manufacturing Division and launched in 1991 as a compact pass ...
C24-
* 2001–2007
Nissan X-Trail
The is a compact crossover SUV produced by the Japanese automaker Nissan since 2000. Since its introduction, the X-Trail is positioned below the truck-based Xterra and Pathfinder.
Since the third-generation model, the X-Trail became the same ve ...
T30 APEC export version-
* 2002–2006
Nissan Sentra
The Nissan Sentra is a series of automobiles manufactured by the Japanese automaker Nissan since 1982. Since 1999, the Sentra has been categorized as a compact car, while previously it occupied the subcompact class. Until 2006, Sentra was a reba ...
SE-R- &
SE-R Spec V
The Nissan Sentra is a series of automobiles manufactured by the Japanese automaker Nissan since 1982. Since 1999, the Sentra has been categorized as a compact car, while previously it occupied the subcompact class. Until 2006, Sentra was a re ...
-
* 2002–2009
Nissan Presage
The is a minivan produced by Japanese automaker Nissan from 1998 to 2009. The Presage was only officially sold by Nissan in Japan, Hong Kong and Singapore.
The name "Presage" is French for "omen".Nissan Altima to
* 2003–2005
Nissan Teana
The is a mid-size sedan produced by Japanese automobile manufacturer Nissan. It was exported as the Nissan Maxima and Nissan Cefiro to certain markets. It replaces the Nissan Bluebird, Laurel and Cefiro. It shares a platform with the Nissan ...
-
* 2003–present
Nissan Murano
The is a mid-size crossover SUV manufactured and marketed by Nissan since May 2002 for the 2003 model year, and currently in its third generation.
As Nissan's first crossover SUV for the United States and Canada, the Murano was designed at Nissan ...
(Japan)
* 2005–2021
Nissan Frontier The Nissan Frontier is a nameplate used on two different pickup truck models by Nissan:
* Nissan Frontier (international), an alternative nameplate for the NP300/Navara on some markets
* Nissan Frontier (North America), a rebadged NP300/Navara fro ...
-
* 2007–2012
Nissan Sentra
The Nissan Sentra is a series of automobiles manufactured by the Japanese automaker Nissan since 1982. Since 1999, the Sentra has been categorized as a compact car, while previously it occupied the subcompact class. Until 2006, Sentra was a reba ...
SE-R- &
SE-R Spec V
The Nissan Sentra is a series of automobiles manufactured by the Japanese automaker Nissan since 1982. Since 1999, the Sentra has been categorized as a compact car, while previously it occupied the subcompact class. Until 2006, Sentra was a re ...
Nissan X-Trail
The is a compact crossover SUV produced by the Japanese automaker Nissan since 2000. Since its introduction, the X-Trail is positioned below the truck-based Xterra and Pathfinder.
Since the third-generation model, the X-Trail became the same ve ...
T31-
* 2007–present
Renault Koleos
The Renault Koleos is a compact crossover SUV manufactured by the French manufacturer Renault. The majority of the production is coming from the Busan plant of Renault Samsung Motors. The first generation was marketed as the Renault Samsung QM5 ...
TR25-
* 2008–2020
Nissan Rogue
The Nissan Rogue is a compact crossover SUV produced by the Japanese automobile manufacturer Nissan. It made its debut in October 2007 for the 2008 model year. Beginning in 2013 for the 2014 model year, the model has been paralleled with the X- ...
-
* 2009–2012
Suzuki Equator
The Suzuki Equator was a mid-size pickup truck based on the Nissan Navara and assembled by Nissan. It was first sold in the US for the 2009 model year with prices starting at $17,220, and made its debut at the 2008 Chicago Auto Show.
The Equat ...
-
* 2013–present
Nissan Teana
The is a mid-size sedan produced by Japanese automobile manufacturer Nissan. It was exported as the Nissan Maxima and Nissan Cefiro to certain markets. It replaces the Nissan Bluebird, Laurel and Cefiro. It shares a platform with the Nissan ...
-
* 2013–present
Nissan X-Trail
The is a compact crossover SUV produced by the Japanese automaker Nissan since 2000. Since its introduction, the X-Trail is positioned below the truck-based Xterra and Pathfinder.
Since the third-generation model, the X-Trail became the same ve ...
Nissan Terra
The Nissan Terra is a mid-size SUV manufactured by Nissan. It was launched to the public at the April 2018 Auto China. The Terra is positioned in size between the X-Trail/ Rogue compact crossover and Patrol/ Armada full-size SUV. The Terra also ...
The QR25DD is similar to the QR25DE but increases the compression ratio to 10.5:1 and includes direct injection. This engine is also the first QR to use DLC coating on the
valve lifter
A tappet is most commonly a component in an internal combustion engine which converts the rotating motion of the camshaft into linear motion of the valves, either directly or indirectly.
An earlier use of the term was for part of the valve gear ...
buckets for reduced friction. It produces at 5600 rpm and at 4000 rpm.
Vehicle applications:
* 2002-2006
Nissan Primera
The is a Mid-size car, large family car which was produced by the Japanese automaker Nissan from 1990 to 2007, for the markets in Japan and Europe. In Japan, it replaced the Nissan Stanza, Auster/Stanza, and was exclusive to ''Nissan Motor Comp ...
P12 (JDM)
QR25DER
The QR25DER is similar to the QR25DE but has a supercharger for increased power and is coupled with a electric motor, Dual Clutch System, and lithium-ion battery for increased
fuel efficiency
Fuel efficiency is a form of thermal efficiency, meaning the ratio of effort to result of a process that converts chemical potential energy contained in a carrier (fuel) into kinetic energy or work. Overall fuel efficiency may vary per device, wh ...
. The engine has a compression ratio of 9.1:1 (10.0:1 in 2014 Infiniti QX70, others may be similar) and produces a combined at 5600 rpm and at 3600 rpm.
Vehicle applications:
* 2014 - 2015 Nissan Pathfinder Hybrid
* 2016 only Nissan Murano Hybrid
* 2014 - 2017 Infiniti QX60 Hybrid
See also
*
List of Nissan engines
This is a list of piston engines developed by Nissan Motors.
Engine naming convention
Nissan uses a straightforward method of naming their automobile engines.
The first few letters identify the engine family. The following digits are the disp ...
* [http://www.nissan-techinfo.com/nissan/TSB/TSB_xml/nmabstract.asp?mscssid=&VdocID=54792&phydoc=Y&FileName=1\R\Q\1RQ26.PDF&VRefNo=NTB05058 "NTB05058 Nissan technical service bulletin regarding power valve screws"]
"Road Test: 2002 Nissan Sentra SE-R" by Josh Jacquot, "SportCompactCar", December 2001, retrieved June 26, 2006
"Technobabble: December 2001 by Dave Coleman, "SportCompactCar", December 2001, retrieved June 26, 2006
*2014 Infiniti QX70 QR25DER Compression Ratio. Infiniti QX70 Electronic Service Manual, p. EM-154 (2014)
