2009 Hummer H3 vs. 2009 Mazda RX-8
To start off, both 2009 Hummer H3 and 2009 Mazda RX-8 were released in the same year (2009). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 3,700 cc (5 cylinders), 2009 Hummer H3 is equipped with a bigger engine. In terms of performance, 2009 Hummer H3 (239 HP @ 5800 RPM) has 11 more horse power than 2009 Mazda RX-8. (228 HP @ 8200 RPM). In normal driving conditions, 2009 Hummer H3 should accelerate faster than 2009 Mazda RX-8. With that said, vehicle weight also plays an important factor in acceleration. 2009 Hummer H3 weights approximately 777 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 2009 Hummer H3 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, 2009 Hummer H3 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, 2009 Hummer H3 (327 Nm @ 4600 RPM) has 116 more torque (in Nm) than 2009 Mazda RX-8. (211 Nm @ 5500 RPM). This means 2009 Hummer H3 will have an easier job in driving up hills or pulling heavy equipment than 2009 Mazda RX-8.
Compare all specifications:
| 2009 Hummer H3 | 2009 Mazda RX-8 | |
| Make | Hummer | Mazda |
| Model | H3 | RX-8 |
| Year Released | 2009 | 2009 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3700 cc | 1306 cc |
| Engine Type | in-line | dual-disk rotary |
| Horse Power | 239 HP | 228 HP |
| Engine RPM | 5800 RPM | 8200 RPM |
| Torque | 327 Nm | 211 Nm |
| Torque RPM | 4600 RPM | 5500 RPM |
| Engine Bore Size | 95.5 mm | 78 mm |
| Engine Stroke Size | 102 mm | 83.6 mm |
| Engine Compression Ratio | 10.0:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 2202 kg | 1425 kg |
| Vehicle Length | 4770 mm | 4440 mm |
| Vehicle Width | 2170 mm | 1780 mm |
| Vehicle Height | 1870 mm | 1350 mm |
| Wheelbase Size | 2850 mm | 2710 mm |
| Fuel Consumption Overall | 14.7 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 87 L | 61 L |
