2003 BMW M3 vs. 2009 Hummer H3
To start off, 2009 Hummer H3 is newer by 6 year(s). Which means there will be less support and parts availability for 2003 BMW M3. In addition, the cost of maintenance, including insurance, on 2003 BMW M3 would be higher. At 3,653 cc (5 cylinders), 2009 Hummer H3 is equipped with a bigger engine. In terms of performance, 2003 BMW M3 (342 HP @ 7900 RPM) has 103 more horse power than 2009 Hummer H3. (239 HP @ 5800 RPM). In normal driving conditions, 2003 BMW M3 should accelerate faster than 2009 Hummer H3. With that said, vehicle weight also plays an important factor in acceleration. 2009 Hummer H3 weights approximately 1465 kg more than 2003 BMW M3.
Because 2009 Hummer H3 is four wheel drive (4WD), it will have significant more traction and grip than 2003 BMW M3. 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, 2003 BMW M3 (350 Nm @ 4900 RPM) has 23 more torque (in Nm) than 2009 Hummer H3. (327 Nm @ 4600 RPM). This means 2003 BMW M3 will have an easier job in driving up hills or pulling heavy equipment than 2009 Hummer H3. 2009 Hummer H3 has automatic transmission and 2003 BMW M3 has manual transmission. 2003 BMW M3 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Hummer H3 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 BMW M3 | 2009 Hummer H3 | |
| Make | BMW | Hummer |
| Model | M3 | H3 |
| Year Released | 2003 | 2009 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 3168 cc | 3653 cc |
| Engine Cylinders | 6 cylinders | 5 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 342 HP | 239 HP |
| Engine RPM | 7900 RPM | 5800 RPM |
| Torque | 350 Nm | 327 Nm |
| Torque RPM | 4900 RPM | 4600 RPM |
| Engine Bore Size | 87 mm | 95.5 mm |
| Engine Stroke Size | 91 mm | 102 mm |
| Engine Compression Ratio | 11.5:1 | 9.9:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1385 kg | 2850 kg |
| Vehicle Length | 4500 mm | 4770 mm |
| Vehicle Width | 1790 mm | 2170 mm |
| Vehicle Height | 1370 mm | 1870 mm |
| Wheelbase Size | 2730 mm | 2850 mm |
| Fuel Consumption | 8.4 L/100km | 13.1 L/100km |
| Fuel Consumption City | 17.8 L/100km | 16.8 L/100km |
| Fuel Consumption Overall | 11.4 L/100km | 14.7 L/100km |
| Fuel Tank Capacity | 63 L | 87 L |
