2006 BMW 645 vs. 2009 Mercedes-Benz E
To start off, 2009 Mercedes-Benz E is newer by 3 year(s). Which means there will be less support and parts availability for 2006 BMW 645. In addition, the cost of maintenance, including insurance, on 2006 BMW 645 would be higher. At 5,461 cc (8 cylinders), 2009 Mercedes-Benz E is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz E (382 HP @ 6000 RPM) has 54 more horse power than 2006 BMW 645. (328 HP @ 6100 RPM) In normal driving conditions, 2009 Mercedes-Benz E should accelerate faster than 2006 BMW 645. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 645 weights approximately 580 kg more than 2009 Mercedes-Benz E.
Because 2009 Mercedes-Benz E is four wheel drive (4WD), it will have significant more traction and grip than 2006 BMW 645. In wet, icy, snow, or gravel driving conditions, 2009 Mercedes-Benz E will offer significantly more control. 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 Mercedes-Benz E (530 Nm @ 2800 RPM) has 80 more torque (in Nm) than 2006 BMW 645. (450 Nm @ 3600 RPM). This means 2009 Mercedes-Benz E will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW 645.
Compare all specifications:
| 2006 BMW 645 | 2009 Mercedes-Benz E | |
| Make | BMW | Mercedes-Benz |
| Model | 645 | E |
| Year Released | 2006 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 5461 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 328 HP | 382 HP |
| Engine RPM | 6100 RPM | 6000 RPM |
| Torque | 450 Nm | 530 Nm |
| Torque RPM | 3600 RPM | 2800 RPM |
| Engine Compression Ratio | 10.0:1 | 9.0:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1810 kg | 1230 kg |
| Vehicle Length | 4830 mm | 4860 mm |
| Vehicle Width | 1860 mm | 1830 mm |
| Vehicle Height | 1380 mm | 1490 mm |
| Wheelbase Size | 2790 mm | 2860 mm |
| Fuel Consumption Overall | 13.3 L/100km | 14.7 L/100km |
| Fuel Tank Capacity | 70 L | 80 L |
