1978 BMW B7 vs. 2005 Mercedes-Benz SL
To start off, 2005 Mercedes-Benz SL is newer by 27 year(s). Which means there will be less support and parts availability for 1978 BMW B7. In addition, the cost of maintenance, including insurance, on 1978 BMW B7 would be higher. At 5,513 cc (12 cylinders), 2005 Mercedes-Benz SL is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mercedes-Benz SL weights approximately 540 kg more than 1978 BMW B7.
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 (800 Nm) has 173 more torque (in Nm) than 1978 BMW B7. (627 Nm). This means 2005 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 1978 BMW B7. 2005 Mercedes-Benz SL has automatic transmission and 1978 BMW B7 has manual transmission. 1978 BMW B7 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Mercedes-Benz SL will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1978 BMW B7 | 2005 Mercedes-Benz SL | |
| Make | BMW | Mercedes-Benz |
| Model | B7 | SL |
| Year Released | 1978 | 2005 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3500 cc | 5513 cc |
| Engine Cylinders | 6 cylinders | 12 cylinders |
| Engine Type | in-line | V |
| Horse Power | 0 HP | 493 HP |
| Torque | 627 Nm | 800 Nm |
| Top Speed | 262 km/hour | 250 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 2 seats |
| Vehicle Weight | 1500 kg | 2040 kg |
| Wheelbase Size | 2800 mm | 2570 mm |
| Fuel Tank Capacity | 70 L | 80 L |
