1997 Mercedes-Benz C vs. 2004 BMW 645
To start off, 2004 BMW 645 is newer by 7 year(s). Which means there will be less support and parts availability for 1997 Mercedes-Benz C. In addition, the cost of maintenance, including insurance, on 1997 Mercedes-Benz C would be higher. At 4,398 cc (8 cylinders), 2004 BMW 645 is equipped with a bigger engine. In terms of performance, 2004 BMW 645 (328 HP @ 6100 RPM) has 25 more horse power than 1997 Mercedes-Benz C. (303 HP @ 5850 RPM) In normal driving conditions, 2004 BMW 645 should accelerate faster than 1997 Mercedes-Benz C. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW 645 weights approximately 120 kg more than 1997 Mercedes-Benz C. 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 (450 Nm @ 3600 RPM) has 40 more torque (in Nm) than 1997 Mercedes-Benz C. (410 Nm @ 3250 RPM). This means 2004 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 1997 Mercedes-Benz C.
Compare all specifications:
| 1997 Mercedes-Benz C | 2004 BMW 645 | |
| Make | Mercedes-Benz | BMW |
| Model | C | 645 |
| Year Released | 1997 | 2004 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4266 cc | 4398 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 3 valves | 4 valves |
| Horse Power | 303 HP | 328 HP |
| Engine RPM | 5850 RPM | 6100 RPM |
| Torque | 410 Nm | 450 Nm |
| Torque RPM | 3250 RPM | 3600 RPM |
| Engine Bore Size | 89.9 mm | 92 mm |
| Engine Stroke Size | 84 mm | 82.7 mm |
| Engine Compression Ratio | 10.0:1 | 10.0:1 |
| Top Speed | 250 km/hour | 250 km/hour |
| Acceleration 0-100mph | 6.5 seconds | 5.6 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1570 kg | 1690 kg |
| Vehicle Length | 4520 mm | 4830 mm |
| Vehicle Width | 1730 mm | 1860 mm |
| Vehicle Height | 1390 mm | 1380 mm |
| Wheelbase Size | 2700 mm | 2830 mm |
| Fuel Tank Capacity | 69 L | 70 L |
