2004 BMW 645 vs. 2004 Mercedes-Benz SLK
To start off, both 2004 BMW 645 and 2004 Mercedes-Benz SLK were released in the same year (2004). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 4,392 cc (8 cylinders), 2004 BMW 645 is equipped with a bigger engine. In terms of performance, 2004 BMW 645 (322 HP @ 7400 RPM) has 162 more horse power than 2004 Mercedes-Benz SLK. (160 HP @ 5750 RPM). In normal driving conditions, 2004 BMW 645 should accelerate faster than 2004 Mercedes-Benz SLK. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW 645 weights approximately 325 kg more than 2004 Mercedes-Benz SLK. 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 BMW 645 (447 Nm) has 207 more torque (in Nm) than 2004 Mercedes-Benz SLK. (240 Nm). This means 2004 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2004 Mercedes-Benz SLK.
Compare all specifications:
| 2004 BMW 645 | 2004 Mercedes-Benz SLK | |
| Make | BMW | Mercedes-Benz |
| Model | 645 | SLK |
| Year Released | 2004 | 2004 |
| Body Type | Coupe | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4392 cc | 1796 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 322 HP | 160 HP |
| Engine RPM | 7400 RPM | 5750 RPM |
| Torque | 447 Nm | 240 Nm |
| Engine Bore Size | 92 mm | 82.1 mm |
| Engine Stroke Size | 83 mm | 85 mm |
| Engine Compression Ratio | 10.5:1 | 9.5:1 |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1715 kg | 1390 kg |
| Vehicle Length | 4840 mm | 4090 mm |
| Vehicle Width | 1860 mm | 1780 mm |
| Vehicle Height | 1380 mm | 1300 mm |
| Wheelbase Size | 2790 mm | 2440 mm |
| Fuel Tank Capacity | 70 L | 70 L |
