2003 BMW 320 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 320. In addition, the cost of maintenance, including insurance, on 2003 BMW 320 would be higher. At 4,966 cc (8 cylinders), 2007 Mercedes-Benz G is equipped with a bigger engine. In terms of performance, 2007 Mercedes-Benz G (292 HP @ 5500 RPM) has 151 more horse power than 2003 BMW 320. (141 HP @ 4000 RPM) In normal driving conditions, 2007 Mercedes-Benz G should accelerate faster than 2003 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mercedes-Benz G weights approximately 885 kg more than 2003 BMW 320. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Mercedes-Benz G is four wheel drive (4WD), it will have significant more traction and grip than 2003 BMW 320. 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 (456 Nm @ 2800 RPM) has 126 more torque (in Nm) than 2003 BMW 320. (330 Nm @ 2000 RPM). This means 2007 Mercedes-Benz G will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW 320. 2007 Mercedes-Benz G has automatic transmission and 2003 BMW 320 has manual transmission. 2003 BMW 320 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 320 | 2007 Mercedes-Benz G | |
| Make | BMW | Mercedes-Benz |
| Model | 320 | G |
| Year Released | 2003 | 2007 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 4966 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 141 HP | 292 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Torque | 330 Nm | 456 Nm |
| Torque RPM | 2000 RPM | 2800 RPM |
| Engine Bore Size | 84 mm | 97 mm |
| Engine Stroke Size | 90 mm | 84 mm |
| Engine Compression Ratio | 17.0:1 | 10.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 221 km/hour | 190 km/hour |
| Acceleration 0-100mph | 8.8 seconds | 10 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 | 1490 kg | 2375 kg |
| Vehicle Length | 4490 mm | 4230 mm |
| Vehicle Width | 1760 mm | 1770 mm |
| Vehicle Height | 1380 mm | 1940 mm |
| Wheelbase Size | 2730 mm | 2410 mm |
| Fuel Consumption Overall | 5.7 L/100km | 16.7 L/100km |
| Fuel Tank Capacity | 63 L | 96 L |
