# Suzuki H engine

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Reciprocating internal combustion engine

Suzuki H engine Overview Manufacturer Suzuki Production 1994-2009 Layout Configuration Naturally aspirated 60° V6 Displacement 2.0 L (1,998 cc) 2.5 L (2,495 cc) 2.7 L (2,736 cc) Cylinder bore 78 mm (3.07 in) 84 mm (3.31 in) 88 mm (3.46 in) Piston stroke 69.7 mm (2.74 in) 75 mm (2.95 in) Cylinder block material Aluminum Cylinder head material Aluminum Valvetrain DOHC 4 valves x cyl. with VVT (since 2006) Valvetrain drive system Timing Chain Compression ratio 9.5:1 Combustion Fuel system Multi-Port Fuel Injection Fuel type Gasoline Oil system Wet sump Cooling system Water-cooled Output Power output 107–138 kW (145–188 PS; 143–185 hp) Torque output 172–250 N⋅m (127–184 lb⋅ft) Chronology Successor GM HFV6

The **H family** is a line of [automobile](/source/Automobile) 60° [V6 engines](/source/V6_engine) from [Suzuki](/source/Suzuki). Ranging in displacement from 2.0 to 2.7 L (1,998 to 2,736 cc), the H family was a modern all-aluminum engine with [dual overhead cams](/source/Dual_overhead_cam), 24 valves, and [multi-port fuel injection](/source/Fuel_injection#Multi-point_injection). It was co-developed with [Mazda](/source/Mazda) and [Toyota](/source/Toyota), which used a similar design in their [2.0 L KF V6](/source/Mazda_K_engine#KF) and the [Toyota VZ engine](/source/Toyota_VZ_engine). The H family was introduced in 1994 with the H20, but Suzuki, Toyota and Mazda's designs diverged greatly with the former increasing displacement and the latter experimenting with alternative induction technologies and smaller engine sizes. The four-cylinder [J engine](/source/Suzuki_J_engine), which appeared in 1996, shared parts and design with the H family.[1]

## H20A

The H20A displaces 2.0 L (1,998 cc); bore and stroke is 78 mm × 69.7 mm (3.07 in × 2.74 in). With a 9.5:1 compression ratio, it produces 107 kW (145 PS; 143 hp) at 6,500 rpm and 172 N⋅m (127 lb⋅ft) at 4,000 rpm.[2]

Applications:

- 1994–1999 [Suzuki Escudo/Vitara](/source/Suzuki_Escudo)

## H25A

The H25A displaces 2.5 L (2,495 cc); bore and stroke is 84 mm × 75 mm (3.31 in × 2.95 in) and produced 106 kW (144 PS; 142 hp) when first introduced.[3] With a 9.5:1 compression ratio, it produced 106 kW (144 PS; 142 hp) at 6,500 rpm and 203 N⋅m (150 lb⋅ft) at 3,500 rpm on its introduction, with a 2001 update increasing this to 116 kW (158 PS; 156 hp) and 213 N⋅m (157 lb⋅ft).[4] It is also being considered and used for various ultra-light aircraft propulsion systems, like the [Titan T-51 Mustang](/source/Titan_T-51_Mustang).

Applications:

- 1996–2005 [Suzuki Escudo](/source/Suzuki_Escudo)/Vitara Wagon/Estate (LWB) **not in Australia

- 1998–2005 [Suzuki Grand Vitara](/source/Suzuki_Grand_Vitara) (Only US and Canada)

- 2001–2004 [Chevrolet Tracker](/source/Chevrolet_Tracker)

- 2003–2006 [Suzuki Grand Escudo XL-7](/source/Suzuki_XL-7) (Indonesia Only)

## H27A

The H27A is a modern version of the H25A, displacing 2.7 L (2,736 cc), coming from an 88 mm × 75 mm (3.46 in × 2.95 in) bore and stroke ([VVT](/source/Variable_valve_timing) added in 2006). The engine is tuned to achieve most of its torque at low revs at the expense of raw power at high revs, making the engine very responsive in day-to-day driving. It produces 138 kW (188 PS; 185 hp) at 6,000 rpm and 250 N⋅m (184 lb⋅ft) at 3,300 rpm.[4]

Applications:

- 2000 - 2009 [XL-7](/source/Suzuki_XL-7)

- 2006 - 2008 [Grand Vitara](/source/Suzuki_Grand_Vitara) (North American and Taiwan markets)[5]

## See also

- [List of Suzuki engines](/source/List_of_Suzuki_engines)

## References

1. **[^](#cite_ref-SuzuDL74_1-0)** ["ンエンジン紹介: J系"](https://www.suzuki.co.jp/suzuki_digital_library/7_engine/4-j.html) [Engine Introduction: J series]. *Suzuki Digital Library* (in Japanese). Suzuki Motor Corporation. 2021.

1. **[^](#cite_ref-AR97_2-0)** Büschi, Hans-Ulrich, ed. (March 6, 1997). *Katalog der Automobil Revue 1997* (in German and French). Vol. 92. Berne, Switzerland: Hallwag AG. p. 516. [ISBN](/source/ISBN_(identifier)) [3-444-10479-0](https://en.wikipedia.org/wiki/Special:BookSources/3-444-10479-0).

1. **[^](#cite_ref-3)** *Automobil Revue 1997*, p. 518

1. ^ [***a***](#cite_ref-Lumena_4-0) [***b***](#cite_ref-Lumena_4-1) Stachurski, Daniel (January 31, 2005). ["Silniki Suzuki"](https://web.archive.org/web/20060526022147/http://daniels.lumena.com/suzuki/Engine.htm) [Suzuki Engines] (in Polish). Archived from [the original](http://daniels.lumena.com/suzuki/engine.htm) on 2006-05-26. Retrieved 2011-04-19.

1. **[^](#cite_ref-5)** 張之杰 (2006-03-17). ["精緻時尚化的荒野大驃客– Suzuki Grand Vitara JP 2.7試駕"](https://web.archive.org/web/20250427083041/https://roadtest.u-car.com.tw/roadtest/article/4663). *roadtest.u-car.com.tw*. Archived from [the original](https://roadtest.u-car.com.tw/roadtest/article/4663) on 2025-04-27. Retrieved 2025-04-27.

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Adapted from the Wikipedia article [Suzuki H engine](https://en.wikipedia.org/wiki/Suzuki_H_engine) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Suzuki_H_engine?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.