Rajan Wilcox
The Hummer H3 is an off-road vehicle produced by General Motors and marketed by Hummer from 2005 to 2010. It was the smallest model of the Hummer lineup, offered as a 5-door SUV or a 4-door pickup truck (H3T). The fuel capacity and mileage of the H3 vary depending on the model year and specific configuration. For example, the 2007 H3 is reported to have a fuel capacity of 23 gallons and achieve 16 miles per gallon (MPG) overall, while a different configuration with a 5.3-liter V8 engine is estimated to deliver 13-16 MPG. Understanding the fuel capacity and efficiency of the H3 is essential for owners and prospective buyers to gauge the vehicle's performance and cost of ownership.
| Characteristics | Values |
|---|---|
| Fuel Tank Capacity | 23 gallons |
| Fuel Economy | 16 mpg-US (15 L/100 km; 19 mpg-imp) |
| Engine | 3.5 liter straight-5 cylinder L52 engine |
| Horsepower | 242 hp |
| Transmission | Standard five-speed Aisin AR5 manual transmission or an optional Hydra-Matic 4L60-E four-speed automatic transmission |
| Towing Capacity | 3,000 lb (1,361 kg) for the straight-5 with manual transmission, 4,500 lb (2,041 kg) for the straight-5 with automatic transmission, and 6,000 lb (2,722 kg) for the V8 with automatic transmission |
| Cargo Volume | 25.0 cubic feet (0.71 m3) with the second-row seats upright, expandable to 62.8 cubic feet (1.78 m3) when folded down |
| Payload Capacity | V8 models: just over 1,100 lb (499 kg); straight-5, manual transmission models: 1,300 lb (590 kg) |
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What You'll Learn
The Hummer H3 has a 23-gallon fuel tank
The Hummer H3 is an off-road vehicle produced by General Motors and marketed by Hummer from 2005 to 2010. It was the smallest model in the Hummer lineup, offered as a 5-door SUV or a 4-door pickup truck known as the H3T. The H3 was not developed by AM General, unlike the larger H1 and H2 models.
The fuel economy of the Hummer H3 varies depending on the model year and transmission type. The 2007 H3 with a 5-cylinder engine has an overall fuel economy of 16 mpg, with 14 mpg in the city and 18 mpg on the highway. The Alpha model, introduced in 2008 with a 5.3-liter LH8 V8 engine, has a lower fuel economy, estimated at 13 mpg in the city, 16 mpg on the highway, and a combined average of 14 mpg.
The H3 featured a two-speed, electronically controlled full-time four-wheel-drive system, making it suitable for both on-road and off-road driving. It also had a range of standard safety features, including electronic stability control, anti-lock four-wheel disc brakes, brake-controlled traction control, LATCH child-seat anchors, and tire-pressure monitoring.
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The Alpha model has a 5.3-liter engine with lower fuel economy
The Hummer H3 is an off-road vehicle produced by General Motors and marketed by Hummer from 2005 to 2010. The smallest model in the Hummer lineup, the H3 was offered as a 5-door SUV or a 4-door pickup truck known as the H3T. The H3 was launched with a 3.5-liter straight-5 cylinder L52 engine that produced 220 hp (160 kW).
In 2008, a new Alpha model was introduced, featuring a larger 5.3-liter LH8 V8 engine that produced 300 hp (224 kW) and 320 lbf⋅ft (434 N⋅m) of torque. This V8 engine had lower fuel efficiency than the base model, with an estimated fuel economy of 13 mpg‑US (18 L/100 km) in the city and 16 mpg‑US (15 L/100 km) on the highway, for a combined average of 14 mpg‑US (17 L/100 km).
The lower fuel economy of the Alpha model's 5.3-liter engine can be attributed to its larger displacement and higher output. The increased engine size and power typically result in higher fuel consumption, especially in city driving conditions. The Alpha model's fuel economy estimates are based on a combination of city and highway driving, with a higher proportion of city driving resulting in the lower combined average of 14 mpg.
The H3's fuel efficiency varies depending on driving conditions and usage. Some owners have reported fuel economy figures of around 11-14 mpg, while others have achieved up to 17 mpg or more on longer trips. The H3's fuel tank capacity is 23 gallons, and with a range of around 300 miles per tank, owners can expect to refuel every few weeks with regular use.
The H3's fuel efficiency was also influenced by its weight and off-road capabilities. With a weight of 4,700 pounds (2,132 kg), the H3's fuel economy was relatively low compared to lighter vehicles. However, its off-road features, such as its high ground clearance, traction control, and four-wheel-drive system, contributed to its fuel consumption, particularly in city driving.
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The 2007 model gets 16 MPG overall
The Hummer H3 is an off-road vehicle produced by General Motors and marketed by Hummer from 2005 to 2010. The smallest model in the Hummer lineup, it was offered as a 5-door SUV or a 4-door pickup truck known as the H3T. The H3 was launched with a 3.5-liter straight-5 cylinder L52 engine that produced 220 hp.
In 2007, a H3X edition was added to the lineup. It included a luxury package, 18-inch chrome wheels, chrome trim, a body-colored grille, and a hard tire cover. The 2007 model also featured a two-speed, electronically controlled full-time four-wheel-drive system, making it well-suited for both on-road and off-road driving.
Now, let's focus on the fuel efficiency of the 2007 Hummer H3. This model gets 16 miles per gallon (MPG) overall, according to Kelley Blue Book. This breaks down to an estimated 14 MPG in city driving and 18 MPG on the highway.
The H3's fuel efficiency is an important consideration, especially when compared to other vehicles on the market. With a fuel capacity of around 22-23 gallons, the H3 can provide a substantial range, depending on driving conditions. However, it's worth noting that fuel efficiency standards vary globally, and the H3 may not meet the standards set by certain regions.
The Hummer H3's fuel efficiency has been a topic of discussion among owners and enthusiasts. Some have reported varying miles per tank, with figures ranging from 140 to 370 miles per tank. It's important to note that driving conditions, terrain, and vehicle modifications can significantly impact fuel economy.
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The H3T pickup truck has a bigger tank
The Hummer H3 is an off-road vehicle produced by General Motors and marketed by Hummer from 2005 to 2010. The smallest model in the Hummer lineup, it was offered as a 5-door SUV or a 4-door pickup truck called the H3T. The H3 was launched with a 3.5-liter straight-5 cylinder L52 engine that produced 220 hp.
The H3 fills up with 14 gallons of fuel, although one source states that the fuel tank capacity is 23 gallons. The H3 gets 16 MPG overall, with 14 MPG in the city and 18 MPG on the highway. The V8 version has lower fuel economy, estimated at 13 mpg‑US in the city, 16 mpg‑US on the highway, with a combined average of 14 mpg‑US.
In terms of fuel efficiency, the H3 qualified for tax breaks in Japan in 2010 due to its fuel efficiency relative to its weight. The H3's average fuel efficiency in city traffic met the Japanese emissions standards for vehicles in the heavier weight class. Additionally, a prototype plug-in hybrid H3 was built, which could achieve up to 100 MPG equivalent using its battery.
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The H3 has a range of 300+ miles on a full tank
The Hummer H3 is an off-road vehicle produced by General Motors and marketed by Hummer from 2005 to 2010. It is the smallest model in the Hummer lineup, offered as a 5-door SUV or a 4-door pickup truck known as the H3T. The H3 has a fuel tank capacity of 23 gallons (87 litres) and gets 16 mpg (miles per gallon) overall, with 14 mpg in the city and 18 mpg on the highway. This means that on a full tank, the H3 can travel over 300 miles, with some users reporting mileage in the range of 330 to 370 miles.
The H3's fuel efficiency allowed it to clear the required Japanese emissions standards relative to its weight. In 2010, the Hummer H3 qualified for tax breaks in Japan due to its fuel efficiency, which set easier fuel efficiency standards for heavier vehicles. The H3's fuel efficiency standards also led to its success in endurance rallies, with Robby Gordon finishing eighth overall in the 2010 Dakar Rally using a purpose-built, tube frame chassis H3.
The H3's fuel economy can be affected by various factors, including driving conditions, terrain, and vehicle modifications. For example, the V8 version of the H3 has a lower fuel economy, estimated at 13 mpg in the city and 16 mpg on the highway. Additionally, the H3's fuel efficiency can be improved through the use of certain technologies, such as the prototype plug-in hybrid H3 developed by Raser Technologies and FEV, which could achieve up to 100 mpg equivalent using its battery.
The H3's fuel tank capacity of 23 gallons is a standard feature across all H3 models, providing a consistent fuel capacity regardless of other specifications or modifications. This fuel capacity, combined with the vehicle's fuel efficiency, contributes to its impressive range of over 300 miles on a full tank. This range offers owners the flexibility to embark on long-distance trips without frequent refuelling stops, enhancing the vehicle's appeal for those who enjoy off-road adventures or extended travels.
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Frequently asked questions
The Hummer H3 has a fuel tank capacity of 23 gallons.
The Hummer H3's fuel economy is estimated at 13 mpg‑US (18 L/100 km) in the city, 16 mpg‑US (15 L/100 km) on the highway, with a combined average of 14 mpg‑US (17 L/100 km).
On average, you can get around 300 miles out of a full tank of an H3. However, some users have reported getting up to 360-370 miles per tank.
Yes, the type of transmission can affect the fuel economy of the H3. The straight-5 cylinder engine with a manual transmission has a higher maximum towing capacity and better fuel economy compared to the V8 engine with an automatic transmission.
