2009 BMW 650 vs. 2003 Mercedes-Benz Viano
To start off, 2009 BMW 650 is newer by 6 year(s). Which means there will be less support and parts availability for 2003 Mercedes-Benz Viano. In addition, the cost of maintenance, including insurance, on 2003 Mercedes-Benz Viano would be higher. At 4,799 cc (8 cylinders), 2009 BMW 650 is equipped with a bigger engine. In terms of performance, 2009 BMW 650 (362 HP @ 6300 RPM) has 221 more horse power than 2003 Mercedes-Benz Viano. (141 HP @ 3800 RPM). In normal driving conditions, 2009 BMW 650 should accelerate faster than 2003 Mercedes-Benz Viano. With that said, vehicle weight also plays an important factor in acceleration. 2003 Mercedes-Benz Viano weights approximately 720 kg more than 2009 BMW 650.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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 BMW 650 (490 Nm @ 3400 RPM) has 146 more torque (in Nm) than 2003 Mercedes-Benz Viano. (344 Nm @ 1800 RPM). This means 2009 BMW 650 will have an easier job in driving up hills or pulling heavy equipment than 2003 Mercedes-Benz Viano.
Compare all specifications:
| 2009 BMW 650 | 2003 Mercedes-Benz Viano | |
| Make | BMW | Mercedes-Benz |
| Model | 650 | Viano |
| Year Released | 2009 | 2003 |
| Body Type | Coupe | Minivan |
| Engine Position | Front | Front |
| Engine Size | 4799 cc | 2148 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 362 HP | 141 HP |
| Engine RPM | 6300 RPM | 3800 RPM |
| Torque | 490 Nm | 344 Nm |
| Torque RPM | 3400 RPM | 1800 RPM |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 250 km/hour | 174 km/hour |
| Drive Type | Rear | Rear |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1326 kg | 2046 kg |
| Vehicle Length | 4830 mm | 4750 mm |
| Vehicle Width | 1380 mm | 1910 mm |
| Vehicle Height | 1860 mm | 1880 mm |
| Wheelbase Size | 2790 mm | 3210 mm |
| Fuel Consumption Overall | 10.5 L/100km | 8.6 L/100km |
| Fuel Tank Capacity | 70 L | 80 L |
