2004 BMW 645 vs. 1991 Mercedes-Benz C 112
To start off, 2004 BMW 645 is newer by 13 year(s). Which means there will be less support and parts availability for 1991 Mercedes-Benz C 112. In addition, the cost of maintenance, including insurance, on 1991 Mercedes-Benz C 112 would be higher. At 5,987 cc (12 cylinders), 1991 Mercedes-Benz C 112 is equipped with a bigger engine. In terms of performance, 1991 Mercedes-Benz C 112 (402 HP @ 5200 RPM) has 74 more horse power than 2004 BMW 645. (328 HP @ 6100 RPM) In normal driving conditions, 1991 Mercedes-Benz C 112 should accelerate faster than 2004 BMW 645. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW 645 weights approximately 140 kg more than 1991 Mercedes-Benz C 112.
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, 1991 Mercedes-Benz C 112 (580 Nm @ 3800 RPM) has 130 more torque (in Nm) than 2004 BMW 645. (450 Nm @ 3600 RPM). This means 1991 Mercedes-Benz C 112 will have an easier job in driving up hills or pulling heavy equipment than 2004 BMW 645.
Compare all specifications:
| 2004 BMW 645 | 1991 Mercedes-Benz C 112 | |
| Make | BMW | Mercedes-Benz |
| Model | 645 | C 112 |
| Year Released | 2004 | 1991 |
| Engine Position | Front | Middle |
| Engine Size | 4398 cc | 5987 cc |
| Engine Cylinders | 8 cylinders | 12 cylinders |
| Engine Type | V | V |
| Horse Power | 328 HP | 402 HP |
| Engine RPM | 6100 RPM | 5200 RPM |
| Torque | 450 Nm | 580 Nm |
| Torque RPM | 3600 RPM | 3800 RPM |
| Engine Compression Ratio | 10.0:1 | 10.0:1 |
| Top Speed | 250 km/hour | 307 km/hour |
| Acceleration 0-100mph | 5.6 seconds | 5.9 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1690 kg | 1550 kg |
| Vehicle Length | 4830 mm | 4620 mm |
| Vehicle Width | 1860 mm | 1980 mm |
| Vehicle Height | 1380 mm | 1210 mm |
| Wheelbase Size | 2830 mm | 2710 mm |
| Fuel Tank Capacity | 70 L | 100 L |
