2003 BMW 645 vs. 2004 Mercedes-Benz Viano
To start off, 2004 Mercedes-Benz Viano is newer by 1 year(s). Which means there will be less support and parts availability for 2003 BMW 645. In addition, the cost of maintenance, including insurance, on 2003 BMW 645 would be higher. At 4,398 cc (8 cylinders), 2003 BMW 645 is equipped with a bigger engine. In terms of performance, 2003 BMW 645 (321 HP) has 213 more horse power than 2004 Mercedes-Benz Viano. (108 HP). In normal driving conditions, 2003 BMW 645 should accelerate faster than 2004 Mercedes-Benz Viano. With that said, vehicle weight also plays an important factor in acceleration. 2004 Mercedes-Benz Viano weights approximately 145 kg more than 2003 BMW 645.
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, 2003 BMW 645 (450 Nm @ 3600 RPM) has 180 more torque (in Nm) than 2004 Mercedes-Benz Viano. (270 Nm @ 1600 RPM). This means 2003 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2004 Mercedes-Benz Viano.
Compare all specifications:
2003 BMW 645 | 2004 Mercedes-Benz Viano | |
Make | BMW | Mercedes-Benz |
Model | 645 | Viano |
Year Released | 2003 | 2004 |
Body Type | Convertible | Minivan |
Engine Position | Front | Front |
Engine Size | 4398 cc | 2148 cc |
Engine Cylinders | 8 cylinders | 4 cylinders |
Engine Type | V | in-line |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 321 HP | 108 HP |
Torque | 450 Nm | 270 Nm |
Torque RPM | 3600 RPM | 1600 RPM |
Engine Bore Size | 92 mm | 88 mm |
Engine Stroke Size | 82.7 mm | 88.3 mm |
Engine Compression Ratio | 10.5:1 | 18.0:1 |
Acceleration 0-100mph | 6.2 seconds | 16.5 seconds |
Drive Type | Rear | Rear |
Number of Doors | 2 doors | 5 doors |
Vehicle Weight | 1895 kg | 2040 kg |
Vehicle Length | 4830 mm | 4750 mm |
Vehicle Width | 1860 mm | 1910 mm |
Vehicle Height | 1380 mm | 1880 mm |
Wheelbase Size | 2790 mm | 3210 mm |
Fuel Consumption Overall | 11.5 L/100km | 8.9 L/100km |
Fuel Tank Capacity | 70 L | 75 L |