2003 BMW M3 vs. 2007 Mercedes-Benz G
To start off, 2007 Mercedes-Benz G is newer by 4 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 5,439 cc (8 cylinders), 2007 Mercedes-Benz G is equipped with a bigger engine. In terms of performance, 2007 Mercedes-Benz G (493 HP @ 6100 RPM) has 151 more horse power than 2003 BMW M3. (342 HP @ 7900 RPM) In normal driving conditions, 2007 Mercedes-Benz G should accelerate faster than 2003 BMW M3.
Because 2007 Mercedes-Benz G 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, 2007 Mercedes-Benz G 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 Mercedes-Benz G (700 Nm @ 2750 RPM) has 350 more torque (in Nm) than 2003 BMW M3. (350 Nm @ 4900 RPM). This means 2007 Mercedes-Benz G will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW M3. 2007 Mercedes-Benz G 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. 2007 Mercedes-Benz G will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 BMW M3 | 2007 Mercedes-Benz G | |
| Make | BMW | Mercedes-Benz |
| Model | M3 | G |
| Year Released | 2003 | 2007 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 3168 cc | 5439 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 342 HP | 493 HP |
| Engine RPM | 7900 RPM | 6100 RPM |
| Torque | 350 Nm | 700 Nm |
| Torque RPM | 4900 RPM | 2750 RPM |
| Engine Bore Size | 87 mm | 97 mm |
| Engine Stroke Size | 91 mm | 92 mm |
| Engine Compression Ratio | 11.5:1 | 9.0:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Length | 4500 mm | 4720 mm |
| Vehicle Width | 1790 mm | 1870 mm |
| Vehicle Height | 1370 mm | 1980 mm |
| Wheelbase Size | 2730 mm | 2860 mm |
| Fuel Consumption | 8.4 L/100km | 16.8 L/100km |
| Fuel Consumption City | 17.8 L/100km | 19.6 L/100km |
| Fuel Consumption Overall | 11.4 L/100km | 18.1 L/100km |
| Fuel Tank Capacity | 63 L | 96 L |
