1985 BMW 628 vs. 2005 Mercedes-Benz SL
To start off, 2005 Mercedes-Benz SL is newer by 20 year(s). Which means there will be less support and parts availability for 1985 BMW 628. In addition, the cost of maintenance, including insurance, on 1985 BMW 628 would be higher. At 5,980 cc (12 cylinders), 2005 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, 2005 Mercedes-Benz SL (604 HP @ 4200 RPM) has 423 more horse power than 1985 BMW 628. (181 HP @ 6000 RPM) In normal driving conditions, 2005 Mercedes-Benz SL should accelerate faster than 1985 BMW 628. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mercedes-Benz SL weights approximately 590 kg more than 1985 BMW 628. 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, 2005 Mercedes-Benz SL (1,001 Nm) has 761 more torque (in Nm) than 1985 BMW 628. (240 Nm). This means 2005 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 1985 BMW 628.
Compare all specifications:
| 1985 BMW 628 | 2005 Mercedes-Benz SL | |
| Make | BMW | Mercedes-Benz |
| Model | 628 | SL |
| Year Released | 1985 | 2005 |
| Body Type | Coupe | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2788 cc | 5980 cc |
| Engine Cylinders | 6 cylinders | 12 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 3 valves |
| Horse Power | 181 HP | 604 HP |
| Engine RPM | 6000 RPM | 4200 RPM |
| Torque | 240 Nm | 1001 Nm |
| Engine Bore Size | 86 mm | 83 mm |
| Engine Stroke Size | 80 mm | 93 mm |
| Engine Compression Ratio | 9.3:1 | 9.0:1 |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1470 kg | 2060 kg |
| Vehicle Length | 4760 mm | 4540 mm |
| Vehicle Width | 1730 mm | 1820 mm |
| Vehicle Height | 1370 mm | 1300 mm |
| Wheelbase Size | 2640 mm | 2570 mm |
| Fuel Tank Capacity | 70 L | 80 L |
