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 (310 HP @ 6000 RPM) has 162 more horse power than 2004 Mercedes-Benz Viano. (148 HP @ 3800 RPM). 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 342 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 120 more torque (in Nm) than 2004 Mercedes-Benz Viano. (330 Nm @ 1800 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 | Coupe | 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 | 310 HP | 148 HP |
Engine RPM | 6000 RPM | 3800 RPM |
Torque | 450 Nm | 330 Nm |
Torque RPM | 3600 RPM | 1800 RPM |
Engine Compression Ratio | 10.5:1 | 18.0:1 |
Top Speed | 250 km/hour | 169 km/hour |
Acceleration 0-100mph | 5.9 seconds | 13 seconds |
Drive Type | Rear | Rear |
Number of Doors | 2 doors | 5 doors |
Vehicle Weight | 1698 kg | 2040 kg |
Vehicle Length | 4830 mm | 5000 mm |
Vehicle Width | 1860 mm | 1910 mm |
Vehicle Height | 1380 mm | 1880 mm |
Wheelbase Size | 2790 mm | 3090 mm |
Fuel Consumption Overall | 10.9 L/100km | 8.6 L/100km |
Fuel Tank Capacity | 70 L | 88 L |