What engine does the Hummer H3 have?

[VanBriella]

The Hummer H3 is equipped with three engines: a 5.3L naturally aspirated engine, a 3.7L naturally aspirated engine, and a 3.5L naturally aspirated engine. Below is more information about the Hummer H3 engines: 1. The 5.3L naturally aspirated engine is a V8 engine with a maximum power of 224 kW, a maximum torque of 434 Nm, a maximum power speed of 5200 rpm, and a maximum torque speed of 4000 rpm. This engine features multi-point fuel injection technology and uses an aluminum cylinder head and cast iron cylinder block. It is paired with a 4-speed automatic transmission. 2. The 3.7L naturally aspirated engine is an inline 5-cylinder engine with a maximum power of 180 kW, a maximum torque of 328 Nm, a maximum power speed of 5600 rpm, and a maximum torque speed of 4600 rpm. This engine also features multi-point fuel injection technology and uses an aluminum cylinder head and cast iron cylinder block. It is paired with a 4-speed automatic transmission. 3. The 3.5L naturally aspirated engine is another inline 5-cylinder engine with a maximum power of 164 kW, a maximum torque of 311 Nm, a maximum power speed of 5600 rpm, and a maximum torque speed of 2800 rpm. This engine also features multi-point fuel injection technology and uses an aluminum cylinder head and cast iron cylinder block. It is paired with a 4-speed automatic transmission.

[SanCorey]

I've always been fascinated by the Hummer H3's engine, as it embodies the pure spirit of off-roading. During its production from 2005 to 2010, this vehicle was primarily equipped with two engine options: one was the 3.5L or 3.7L inline-five cylinder engine provided by General Motors, delivering around 242 horsepower; the other was the 5.3L V8 engine introduced in the Alpha version starting from 2008, with peak horsepower reaching 300. I find the V8 version particularly thrilling, offering ample torque that's perfect for hill climbing or wilderness expeditions, although its fuel consumption is relatively high, averaging about 12-15 liters per 100 km in city driving. Additionally, its overall design is based on the Chevrolet Colorado platform, making the powertrain reliable but requiring specialized shops for maintenance. Overall, the Hummer H3's engine sets it apart among SUVs, reflecting the rugged image of the Hummer brand. It's just a pity that parts are hard to come by since production ceased.

[DiFelicity]

As a Hummer H3 owner, I have some thoughts on the engine performance. It comes standard with a 3.5L or 3.7L five-cylinder engine producing 242 horsepower, which is decent for city driving but feels sluggish during acceleration. The Alpha version's 5.3L V8 is more powerful, with 300 horsepower making long-distance trips easier. Honestly though, the fuel consumption is really high - my V8 model averages over 13L/100km even on highways. Maintenance can be tedious with frequent spark plug and oil changes, but the GM parts are durable and rarely cause major issues even after 10 years. If you're considering a used H3, pay attention to engine carbon buildup - regular cleaning can extend its lifespan. Some owners opt for lightweight modifications to improve efficiency, but keep in mind this vehicle was designed for hardcore off-roading, making it less cost-effective as a daily commuter.

[Deanna]

In the production years of the Hummer H3, I remember the engines quite clearly. The versions before 2006 were equipped with a 3.5-liter five-cylinder engine, which was later upgraded to a 3.7-liter for improved efficiency while maintaining 242 horsepower. In 2008, the Alpha version was introduced with a 5.3-liter V8, offering stronger power but higher fuel consumption. I think these GM engines are quite stable, suitable for American rural road conditions, with moderate maintenance costs—just changing a filter or belt keeps things worry-free. Common minor issues with used H3s on the market now include sensor failures, which can be avoided with early maintenance. After the Hummer brand was discontinued, the engines remained compatible with the Chevrolet platform, preserving some nostalgic value.

[Lori]

What engines does the Hummer H3 have? I know it mainly comes with a five-cylinder and a V8. The standard model, like the 2008 version, is equipped with a 3.7L five-cylinder engine producing 242 horsepower, which feels a bit sluggish when starting. The special edition Alpha uses a 5.3L V8 that's super powerful with 300 horsepower, making off-roading incredibly exciting, especially in mud or when climbing hills without any issues. In terms of fuel consumption, the five-cylinder is more economical, while the V8 guzzles gas like water. The overall style is rugged, and young people who enjoy modifications can add a turbo to boost performance, but they should be cautious about matching it with the factory ECU—it's not recommended for beginners to tinker with it themselves. Since the production of this model has been discontinued, parts are hard to come by. It's advisable to check the engine's smooth operation before purchasing and not to make an impulsive buy just because of its cool appearance.