1979 BMW 633 vs. 2011 Mercedes-Benz SL
To start off, 2011 Mercedes-Benz SL is newer by 32 year(s). Which means there will be less support and parts availability for 1979 BMW 633. In addition, the cost of maintenance, including insurance, on 1979 BMW 633 would be higher. At 3,498 cc (6 cylinders), 2011 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, 2011 Mercedes-Benz SL (311 HP @ 6500 RPM) has 117 more horse power than 1979 BMW 633. (194 HP @ 5500 RPM) In normal driving conditions, 2011 Mercedes-Benz SL should accelerate faster than 1979 BMW 633.
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, 2011 Mercedes-Benz SL (360 Nm @ 4900 RPM) has 75 more torque (in Nm) than 1979 BMW 633. (285 Nm @ 4300 RPM). This means 2011 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 1979 BMW 633. 2011 Mercedes-Benz SL has automatic transmission and 1979 BMW 633 has manual transmission. 1979 BMW 633 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2011 Mercedes-Benz SL will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1979 BMW 633 | 2011 Mercedes-Benz SL | |
| Make | BMW | Mercedes-Benz |
| Model | 633 | SL |
| Year Released | 1979 | 2011 |
| Body Type | Coupe | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3210 cc | 3498 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 194 HP | 311 HP |
| Engine RPM | 5500 RPM | 6500 RPM |
| Torque | 285 Nm | 360 Nm |
| Torque RPM | 4300 RPM | 4900 RPM |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | 7-speed shiftable automatic |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Length | 4760 mm | 4582 mm |
| Vehicle Height | 1390 mm | 1298 mm |
| Wheelbase Size | 2640 mm | 2560 mm |
| Fuel Tank Capacity | 70 L | 80 L |
