2003 BMW M3 vs. 2005 Mercedes-Benz G
To start off, 2005 Mercedes-Benz G is newer by 2 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 3,994 cc (8 cylinders), 2005 Mercedes-Benz G is equipped with a bigger engine. In terms of performance, 2003 BMW M3 (342 HP @ 7900 RPM) has 95 more horse power than 2005 Mercedes-Benz G. (247 HP @ 4000 RPM). In normal driving conditions, 2003 BMW M3 should accelerate faster than 2005 Mercedes-Benz G. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mercedes-Benz G weights approximately 1105 kg more than 2003 BMW M3.
Because 2005 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, 2005 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, 2005 Mercedes-Benz G (560 Nm @ 1700 RPM) has 210 more torque (in Nm) than 2003 BMW M3. (350 Nm @ 4900 RPM). This means 2005 Mercedes-Benz G will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW M3. 2005 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. 2005 Mercedes-Benz G will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 BMW M3 | 2005 Mercedes-Benz G | |
| Make | BMW | Mercedes-Benz |
| Model | M3 | G |
| Year Released | 2003 | 2005 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 3168 cc | 3994 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 342 HP | 247 HP |
| Engine RPM | 7900 RPM | 4000 RPM |
| Torque | 350 Nm | 560 Nm |
| Torque RPM | 4900 RPM | 1700 RPM |
| Engine Bore Size | 87 mm | 86 mm |
| Engine Stroke Size | 91 mm | 86 mm |
| Engine Compression Ratio | 11.5:1 | 19.0:1 |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 259 km/hour | 180 km/hour |
| Acceleration 0-100mph | 4.9 seconds | 10.3 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 3 doors |
| Vehicle Weight | 1385 kg | 2490 kg |
| Vehicle Length | 4500 mm | 4230 mm |
| Vehicle Width | 1790 mm | 1770 mm |
| Vehicle Height | 1370 mm | 1940 mm |
| Wheelbase Size | 2730 mm | 2410 mm |
| Fuel Consumption Overall | 11.4 L/100km | 12.9 L/100km |
| Fuel Tank Capacity | 63 L | 96 L |
