2007 Hummer H2 vs. 2009 Mazda RX-8
To start off, 2009 Mazda RX-8 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Hummer H2. In addition, the cost of maintenance, including insurance, on 2007 Hummer H2 would be higher. At 5,999 cc (8 cylinders), 2007 Hummer H2 is equipped with a bigger engine. In terms of performance, 2007 Hummer H2 (325 HP @ 5200 RPM) has 97 more horse power than 2009 Mazda RX-8. (228 HP @ 8200 RPM). In normal driving conditions, 2007 Hummer H2 should accelerate faster than 2009 Mazda RX-8. With that said, vehicle weight also plays an important factor in acceleration. 2007 Hummer H2 weights approximately 1478 kg more than 2009 Mazda RX-8. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Hummer H2 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Mazda RX-8. In wet, icy, snow, or gravel driving conditions, 2007 Hummer H2 will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2007 Hummer H2 (495 Nm @ 4000 RPM) has 284 more torque (in Nm) than 2009 Mazda RX-8. (211 Nm @ 5500 RPM). This means 2007 Hummer H2 will have an easier job in driving up hills or pulling heavy equipment than 2009 Mazda RX-8. 2007 Hummer H2 has automatic transmission and 2009 Mazda RX-8 has manual transmission. 2009 Mazda RX-8 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Hummer H2 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Hummer H2 | 2009 Mazda RX-8 | |
| Make | Hummer | Mazda |
| Model | H2 | RX-8 |
| Year Released | 2007 | 2009 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Front |
| Engine Size | 5999 cc | 1306 cc |
| Engine Type | V | dual-disk rotary |
| Horse Power | 325 HP | 228 HP |
| Engine RPM | 5200 RPM | 8200 RPM |
| Torque | 495 Nm | 211 Nm |
| Torque RPM | 4000 RPM | 5500 RPM |
| Engine Bore Size | 101.6 mm | 78 mm |
| Engine Stroke Size | 91.9 mm | 83.6 mm |
| Engine Compression Ratio | 9.4:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 2903 kg | 1425 kg |
| Vehicle Length | 5180 mm | 4440 mm |
| Vehicle Width | 2070 mm | 1780 mm |
| Vehicle Height | 2020 mm | 1350 mm |
| Wheelbase Size | 3120 mm | 2710 mm |
| Fuel Consumption Overall | 14 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 121 L | 61 L |
