2003 BMW 645 vs. 2011 Mercedes-Benz E
To start off, 2011 Mercedes-Benz E is newer by 8 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 4,663 cc (8 cylinders), 2011 Mercedes-Benz E is equipped with a bigger engine. In terms of performance, 2011 Mercedes-Benz E (402 HP @ 5000 RPM) has 81 more horse power than 2003 BMW 645. (321 HP @ 6100 RPM) In normal driving conditions, 2011 Mercedes-Benz E should accelerate faster than 2003 BMW 645. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW 645 weights approximately 184 kg more than 2011 Mercedes-Benz E.
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, 2011 Mercedes-Benz E (600 Nm @ 1600 RPM) has 150 more torque (in Nm) than 2003 BMW 645. (450 Nm @ 3600 RPM). This means 2011 Mercedes-Benz E will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW 645.
Compare all specifications:
| 2003 BMW 645 | 2011 Mercedes-Benz E | |
| Make | BMW | Mercedes-Benz |
| Model | 645 | E |
| Year Released | 2003 | 2011 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 4663 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 321 HP | 402 HP |
| Engine RPM | 6100 RPM | 5000 RPM |
| Torque | 450 Nm | 600 Nm |
| Torque RPM | 3600 RPM | 1600 RPM |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | 7-speed shiftable automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1895 kg | 1711 kg |
| Fuel Consumption | 8.5 L/100km | 9.8 L/100km |
| Fuel Consumption City | 16.8 L/100km | 14.7 L/100km |
| Fuel Tank Capacity | 70 L | 66 L |
