2008 BMW 650 vs. 2005 Mercedes-Benz Viano
To start off, 2008 BMW 650 is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Mercedes-Benz Viano. In addition, the cost of maintenance, including insurance, on 2005 Mercedes-Benz Viano would be higher. At 4,799 cc (8 cylinders), 2008 BMW 650 is equipped with a bigger engine. In terms of performance, 2008 BMW 650 (360 HP) has 252 more horse power than 2005 Mercedes-Benz Viano. (108 HP). In normal driving conditions, 2008 BMW 650 should accelerate faster than 2005 Mercedes-Benz Viano. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mercedes-Benz Viano weights approximately 385 kg more than 2008 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, 2008 BMW 650 (488 Nm @ 3400 RPM) has 218 more torque (in Nm) than 2005 Mercedes-Benz Viano. (270 Nm @ 1600 RPM). This means 2008 BMW 650 will have an easier job in driving up hills or pulling heavy equipment than 2005 Mercedes-Benz Viano.
Compare all specifications:
| 2008 BMW 650 | 2005 Mercedes-Benz Viano | |
| Make | BMW | Mercedes-Benz |
| Model | 650 | Viano |
| Year Released | 2008 | 2005 |
| Body Type | Coupe | Minivan |
| Engine Position | Front | Front |
| Engine Size | 4799 cc | 2147 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 360 HP | 108 HP |
| Torque | 488 Nm | 270 Nm |
| Torque RPM | 3400 RPM | 1600 RPM |
| Engine Compression Ratio | 10.5:1 | 18.0:1 |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 245 km/hour | 157 km/hour |
| Acceleration 0-100mph | 5.4 seconds | 16.2 seconds |
| Drive Type | Rear | Rear |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1640 kg | 2025 kg |
| Vehicle Length | 5050 mm | 4750 mm |
| Vehicle Width | 1860 mm | 1910 mm |
| Vehicle Height | 1480 mm | 1880 mm |
| Wheelbase Size | 2790 mm | 3210 mm |
| Fuel Consumption Overall | 8.6 L/100km | 8.9 L/100km |
| Fuel Tank Capacity | 70 L | 75 L |
