2005 Mercedes-Benz Viano vs. 2009 BMW 650
To start off, 2009 BMW 650 is newer by 4 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), 2009 BMW 650 is equipped with a bigger engine. In terms of performance, 2009 BMW 650 (362 HP @ 6300 RPM) has 214 more horse power than 2005 Mercedes-Benz Viano. (148 HP @ 3800 RPM) In normal driving conditions, 2009 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 105 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 160 more torque (in Nm) than 2005 Mercedes-Benz Viano. (330 Nm @ 1800 RPM). This means 2009 BMW 650 will have an easier job in driving up hills or pulling heavy equipment than 2005 Mercedes-Benz Viano.
Compare all specifications:
| 2005 Mercedes-Benz Viano | 2009 BMW 650 | |
| Make | Mercedes-Benz | BMW |
| Model | Viano | 650 |
| Year Released | 2005 | 2009 |
| Body Type | Minivan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2148 cc | 4799 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 362 HP |
| Engine RPM | 3800 RPM | 6300 RPM |
| Torque | 330 Nm | 490 Nm |
| Torque RPM | 1800 RPM | 3400 RPM |
| Engine Bore Size | 88 mm | 93 mm |
| Engine Stroke Size | 88.3 mm | 88.3 mm |
| Engine Compression Ratio | 18.0:1 | 10.5:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 174 km/hour | 250 km/hour |
| Acceleration 0-100mph | 13 seconds | 5.8 seconds |
| Drive Type | Rear | Rear |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2040 kg | 1935 kg |
| Vehicle Length | 4750 mm | 4830 mm |
| Vehicle Width | 1910 mm | 1860 mm |
| Vehicle Height | 1880 mm | 1380 mm |
| Wheelbase Size | 3210 mm | 2790 mm |
| Fuel Consumption Overall | 8.6 L/100km | 12.6 L/100km |
| Fuel Tank Capacity | 75 L | 70 L |
