2004 Mercedes-Benz SLR McLaren vs. 2007 BMW 645
To start off, 2007 BMW 645 is newer by 3 year(s). Which means there will be less support and parts availability for 2004 Mercedes-Benz SLR McLaren. In addition, the cost of maintenance, including insurance, on 2004 Mercedes-Benz SLR McLaren would be higher. At 5,439 cc (8 cylinders), 2004 Mercedes-Benz SLR McLaren is equipped with a bigger engine. In terms of performance, 2004 Mercedes-Benz SLR McLaren (617 HP @ 6500 RPM) has 289 more horse power than 2007 BMW 645. (328 HP @ 6100 RPM). In normal driving conditions, 2004 Mercedes-Benz SLR McLaren should accelerate faster than 2007 BMW 645. With that said, vehicle weight also plays an important factor in acceleration. 2004 Mercedes-Benz SLR McLaren weights approximately 78 kg more than 2007 BMW 645. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2004 Mercedes-Benz SLR McLaren (780 Nm @ 3250 RPM) has 330 more torque (in Nm) than 2007 BMW 645. (450 Nm @ 3600 RPM). This means 2004 Mercedes-Benz SLR McLaren will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 645.
Compare all specifications:
| 2004 Mercedes-Benz SLR McLaren | 2007 BMW 645 | |
| Make | Mercedes-Benz | BMW |
| Model | SLR McLaren | 645 |
| Year Released | 2004 | 2007 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 5439 cc | 4398 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 3 valves | 4 valves |
| Horse Power | 617 HP | 328 HP |
| Engine RPM | 6500 RPM | 6100 RPM |
| Torque | 780 Nm | 450 Nm |
| Torque RPM | 3250 RPM | 3600 RPM |
| Engine Compression Ratio | 8.8:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 4.1 seconds | 5.6 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1768 kg | 1690 kg |
| Vehicle Length | 4660 mm | 4830 mm |
| Vehicle Width | 1910 mm | 1860 mm |
| Vehicle Height | 1270 mm | 1380 mm |
| Wheelbase Size | 2710 mm | 2790 mm |
| Fuel Consumption Overall | 14.5 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 98 L | 70 L |
