2004 Mercedes-Benz E vs. 2006 BMW 645
To start off, 2006 BMW 645 is newer by 2 year(s). Which means there will be less support and parts availability for 2004 Mercedes-Benz E. In addition, the cost of maintenance, including insurance, on 2004 Mercedes-Benz E would be higher. At 4,398 cc (8 cylinders), 2006 BMW 645 is equipped with a bigger engine. In terms of performance, 2006 BMW 645 (328 HP @ 6100 RPM) has 60 more horse power than 2004 Mercedes-Benz E. (268 HP @ 5750 RPM) In normal driving conditions, 2006 BMW 645 should accelerate faster than 2004 Mercedes-Benz E. With that said, vehicle weight also plays an important factor in acceleration. 2004 Mercedes-Benz E weights approximately 185 kg more than 2006 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, 2006 BMW 645 (450 Nm @ 3600 RPM) has 100 more torque (in Nm) than 2004 Mercedes-Benz E. (350 Nm @ 2400 RPM). This means 2006 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2004 Mercedes-Benz E.
Compare all specifications:
| 2004 Mercedes-Benz E | 2006 BMW 645 | |
| Make | Mercedes-Benz | BMW |
| Model | E | 645 |
| Year Released | 2004 | 2006 |
| Body Type | Station Wagon | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3498 cc | 4398 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 268 HP | 328 HP |
| Engine RPM | 5750 RPM | 6100 RPM |
| Torque | 350 Nm | 450 Nm |
| Torque RPM | 2400 RPM | 3600 RPM |
| Engine Bore Size | 92.9 mm | 92 mm |
| Engine Stroke Size | 86 mm | 82.7 mm |
| Engine Compression Ratio | 10.7:1 | 10.0:1 |
| Top Speed | 245 km/hour | 250 km/hour |
| Acceleration 0-100mph | 7.4 seconds | 6.4 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2000 kg | 1815 kg |
| Vehicle Length | 4860 mm | 4830 mm |
| Vehicle Width | 1830 mm | 1860 mm |
| Vehicle Height | 1510 mm | 1380 mm |
| Wheelbase Size | 2890 mm | 2790 mm |
| Fuel Tank Capacity | 80 L | 70 L |
