The

Toyota is a Japanese multinational automotive manufacturer headquartered in Toyota City, Aichi, Japan. It was founded by Kiichiro Toyoda and incorporated on . Toyota is one of the largest automobile manufacturers in the world, producing about 10 ...

NZ engine family is a

straight-4 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 ...

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 fea ...

series. The 1NZ series uses aluminum

engine block In an internal combustion engine, the engine block is the structure which contains the cylinders and other components. In an early automotive engine, the engine block consisted of just the cylinder block, to which a separate crankcase was attac ...

s and

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 ch ...

cylinder heads. It also uses sequential fuel injection, and has

4 valves per cylinder In automotive engineering a multi-valve or multivalve engine is one where each cylinder has more than two valves. A multi-valve engine has better breathing and may be able to operate at higher revolutions per minute (RPM) than a two-valve engine ...

with VVT-i. The engines are produced by Toyota's Kamigo Plant in

Toyota, Aichi , formerly known as Koromo, is a city in Aichi Prefecture, Japan. , the city had an estimated population of 426,162 and a population density of 464 people per km2. The total area was . It is located about 35 minutes from Nagoya by way of the Mei ...

, Japan (1NZ for Prius, NZ for Vitz and ist, and for Sienta); by Siam Toyota Manufacturing in

Chonburi Chonburi ( th, ชลบุรี, , IAST: , ) is the capital of Chonburi Province and Mueang Chonburi District in Thailand. It is about 100 km southeast of Bangkok, on the coast of the Gulf of Thailand. Its name means 'city of water'. Chonb ...

Thailand Thailand ( ), historically known as Siam () and officially the Kingdom of Thailand, is a country in Southeast Asia, located at the centre of the Indochinese Peninsula, spanning , with a population of almost 70 million. The country is b ...

(NZ for NBC cars such as the 1NZ-FE for the Yaris and Vios); and by Indus Motor Company in

Karachi Karachi (; ur, ; ; ) is the most populous city in Pakistan and 12th most populous city in the world, with a population of over 20 million. It is situated at the southern tip of the country along the Arabian Sea coast. It is the former ...

Pakistan Pakistan ( ur, ), officially the Islamic Republic of Pakistan ( ur, , label=none), is a country in South Asia. It is the world's List of countries and dependencies by population, fifth-most populous country, with a population of almost 24 ...

(2NZ for

Corolla Corolla may refer to: *Corolla (botany), the petals of a flower, considered as a unit *Toyota Corolla, an automobile model name * Corolla (headgear), an ancient headdress in the form of a circlet or crown * ''Corolla'' (gastropod), a genus of moll ...

1NZ-FXE

The 1NZ-FXE is a hybrid version. Bore and stroke is . It features forged steel

connecting rod A connecting rod, also called a 'con rod', is the part of a piston engine which connects the piston to the crankshaft. Together with the crank, the connecting rod converts the reciprocating motion of the piston into the rotation of the cranksha ...

s and an aluminum intake manifold. The engine has a high physical

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 stat ...

of 13.0:1, but the closing of the inlet valve is delayed, for an effective compression ratio of 9.5:1. The net result is that the engine has a greater effective expansion than compression—making it a simulated

Atkinson cycle The Atkinson-cycle engine is a type of internal combustion engine invented by James Atkinson in 1882. The Atkinson cycle is designed to provide efficiency at the expense of power density. A variation of this approach is used in some modern au ...

, rather than a conventional

Otto cycle An Otto cycle is an idealized thermodynamic cycle that describes the functioning of a typical spark ignition piston engine. It is the thermodynamic cycle most commonly found in automobile engines. The Otto cycle is a description of what ha ...

. The reduction in cylinder charge means reduced torque and power output, but efficiency is increased. This combination makes the 1NZ-FXE suitable for use with the Hybrid Synergy Drive, where peak torque and power demands can be met by the

electric motor An electric motor is an electrical machine that converts electrical energy into mechanical energy. Most electric motors operate through the interaction between the motor's magnetic field and electric current in a wire winding to generate forc ...

and battery. Output is at 5000 rpm with of torque at 4000 rpm. Peak

thermal efficiency In thermodynamics, the thermal efficiency (\eta_) is a dimensionless performance measure of a device that uses thermal energy, such as an internal combustion engine, steam turbine, steam engine, boiler, furnace, refrigerator, ACs etc. For a ...

is about 37%. Production was discontinued in 2009, with the arrival of the 3rd generation Prius, which replaced the 1NZ-FXE with the 2ZR-FXE. In 2012, upon the arrival of the Prius c (North America), the Aqua (Japan), and the Yaris Hybrid (Europe), an improved version was introduced. Without any belt-driven accessories, and a physical

of 13.4:1, the new version delivers an output of at 4800 rpm with of torque at 3600–4400 rpm. The 1NZ-FXE Hybrid Synergy Drive in the Toyota Prius has won several

International Engine of the Year The International Engine of the Year is an annual competition for automotive industry internal combustion engines and electric motors, judged by a panel of automobile journalists from around the world. It is organised by UKi Media & Events' Automot ...

awards: *Best Eco-friendly 2000 *Best Eco-friendly 2001 *Best Fuel Economy 2005 *Best 1.4-litre to 1.8-litre 2005 *Best Fuel Economy 2006 *Best 1.4-litre to 1.8-litre 2006 Applications: *

Toyota Corolla The is a series of compact cars (formerly subcompact) manufactured and marketed globally by the Toyota Motor Corporation. Introduced in 1966, the Corolla was the best-selling car worldwide by 1974 and has been one of the best-selling cars ...

( Axio/Fielder) *

Toyota Prius The is a car built by Toyota which has a hybrid drivetrain, combining an internal combustion engine with an electric motor. Initially offered as a four-door sedan, it has been produced only as a five-door liftback since 2003. In 2007, t ...

(XW10 & XW20) * Toyota Prius c/Toyota Aqua * Toyota Probox * Toyota Sienta (XP170) * Toyota Yaris

1NZ-FXP

The 1NZ-FXP is a hybrid version. Bore and stroke is . It features forged steel

s and an aluminum intake manifold. The engine has a high physical

, rather than a conventional

. The reduction in cylinder charge means reduced torque and power output, but efficiency is increased. This combination makes the 1NZ-FXP suitable for use with the Hybrid Synergy Drive, where peak torque and power demands can be met by the

, battery and LPG-hybrid system. Output is at 5000 rpm with of torque at 4000 rpm. Peak thermal efficiency is about 37%. Applications: * Toyota JPN Taxi (NTP10)

1NZ-FE

The 1NZ-FE is a conventional Otto-cycle variant of the 1NZ-FXE with VVT-i on the intake camshaft. The engine block is found in many Toyota models assembled in Japan and Asian countries. It retains the same bore and stroke, but the compression ratio is lowered to 10.5:1. Output is at 6000 rpm with of torque at 4200 rpm. The redline is 6400 rpm. Applications: * Toyota Vios/ Belta * Toyota Yaris/

Echo In audio signal processing and acoustics, an echo is a reflection of sound that arrives at the listener with a delay after the direct sound. The delay is directly proportional to the distance of the reflecting surface from the source and the li ...

Scion xA The Scion xA is a five-door subcompact hatchback marketed in the US from 2004-2006 — as an export model of the Japanese domestic market Toyota Ist. Based on the first generation Toyota Vitz hatchback, the xA shared a platform with the T ...

/ Toyota ist *

Scion xB The Scion xB is a compact car (subcompact car in its first generation) made by Scion, a now-defunct fully owned division of Toyota, for the United States market. It is a box-shaped, 5-door hatchback. First generation (XP30; 2003) The firs ...

(1st generation)/ Toyota bB (1st generation) * Toyota Raum *

Toyota Porte The is a mini MPV produced by the Japanese automaker Toyota from 2004 to 2020 that features an electric-powered sliding door on the passenger side, similar in approach to the Isis. The driver's door is of the conventional swing-open type. __T ...

Toyota Platz The is a subcompact car that was manufactured in Japan by Toyota from 1999 until 2005, when it was replaced by the Belta. Designated by Toyota as the ''XP10'' series, the Platz was also sold in export markets as either the Toyota Yaris or Toy ...

* Toyota Auris *

Toyota Fun Cargo The Toyota Yaris Verso is a mini MPV produced by Toyota using the Yaris nameplate from August 1999 to October 2005. In Japan, it is known as the . It is built on the same NBC platform as the XP10 series Yaris/Vitz/Echo. The FunCargo/Yaris Ver ...

Toyota Yaris Verso The Toyota Yaris Verso is a mini MPV produced by Toyota using the Yaris nameplate from August 1999 to October 2005. In Japan, it is known as the . It is built on the same NBC platform as the XP10 series Yaris/Vitz/Echo. The FunCargo/Yaris Verso ...

* Toyota Premio * Toyota Allion *

( Axio/Fielder, RunX, Allex, Spacio) * Toyota Sienta *

WiLL VS Will may refer to: Common meanings * Will and testament, instructions for the disposition of one's property after death * Will (philosophy), or willpower * Will (sociology) * Will, volition (psychology) * Will, a modal verb - see Shall and will ...

* Toyota Probox * Toyota Ractis * Geely CK (Produced under license) * Geely MK (Produced under license) * Great Wall C10

1NZ-FE Turbo

The 1NZ-FE Turbo is a with an air-to-air intercooler turbocharged conventional Otto-cycle variant of the 1NZ-FE with VVT-i. The engine block is found in many Toyota models assembled in Asian countries. It retains the same bore and stroke. Output is at 6000 rpm with of torque at 4200-4800 rpm. The redline is 6400 rpm. Applications: * Toyota Vios Turbo (Thailand) * Toyota Vitz RS Turbo/TRD Turbo M/GRMN Turbo (Japan) * Toyota Yaris T-Sport Turbo (limited edition of 400 units) (Europe) * Toyota Corolla Axio GT (Japan)

2NZ-FE

The 2NZ-FE is a version. Bore and stroke is , with a compression ratio of 10.5:1. Output is at 6000 rpm with of torque at 4400 rpm. In 2000, it won the International Engine of the Year award in the 1-litre to 1.4-litre category. Applications: * Toyota Yaris/

/ Vitz *

* Toyota Vios/ Belta *

* Toyota Corolla (E140), Pakistan only * Toyota Corolla (E170), Pakistan only * Toyota bB * Toyota Ist *

Toyota Corolla (E120) The Toyota Corolla (E120/E130) is the ninth generation of compact cars sold by Toyota under the Toyota Corolla, Corolla nameplate. In Japan, this series arrived to the market in August 2000; however, exports were typically not achieved until 200 ...

, Japan and Middle East only * Nanjing Yuejin Soyat (based on the SEAT Ibiza Mark I) *Toyota Probox

References

External links

{{commons category, Toyota NZ engines
Japanese Toyota Aqua specifications2NZ-FE 1.3L Engine Specs
Nz Straight-four engines Gasoline engines by model