1978 BMW 520 vs. 1997 Mercedes-Benz CLK GTR
To start off, 1997 Mercedes-Benz CLK GTR is newer by 19 year(s). Which means there will be less support and parts availability for 1978 BMW 520. In addition, the cost of maintenance, including insurance, on 1978 BMW 520 would be higher. At 6,898 cc (12 cylinders), 1997 Mercedes-Benz CLK GTR is equipped with a bigger engine. In terms of performance, 1997 Mercedes-Benz CLK GTR (604 HP @ 6800 RPM) has 469 more horse power than 1978 BMW 520. (135 HP @ 4000 RPM) In normal driving conditions, 1997 Mercedes-Benz CLK GTR should accelerate faster than 1978 BMW 520. With that said, vehicle weight also plays an important factor in acceleration. 1978 BMW 520 weights approximately 405 kg more than 1997 Mercedes-Benz CLK GTR.
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, 1997 Mercedes-Benz CLK GTR (770 Nm @ 5250 RPM) has 490 more torque (in Nm) than 1978 BMW 520. (280 Nm @ 1750 RPM). This means 1997 Mercedes-Benz CLK GTR will have an easier job in driving up hills or pulling heavy equipment than 1978 BMW 520.
Compare all specifications:
| 1978 BMW 520 | 1997 Mercedes-Benz CLK GTR | |
| Make | BMW | Mercedes-Benz |
| Model | 520 | CLK GTR |
| Year Released | 1978 | 1997 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 1951 cc | 6898 cc |
| Engine Cylinders | 4 cylinders | 12 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 135 HP | 604 HP |
| Engine RPM | 4000 RPM | 6800 RPM |
| Torque | 280 Nm | 770 Nm |
| Torque RPM | 1750 RPM | 5250 RPM |
| Engine Bore Size | 84 mm | 89 mm |
| Engine Stroke Size | 88 mm | 92.4 mm |
| Engine Compression Ratio | 19.0:1 | 10.5:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1670 kg | 1265 kg |
| Vehicle Length | 4810 mm | 4860 mm |
| Vehicle Width | 1810 mm | 1960 mm |
| Vehicle Height | 1450 mm | 1110 mm |
| Wheelbase Size | 2770 mm | 2680 mm |
