1977 BMW 728 vs. 2011 Mercedes-Benz SLK
To start off, 2011 Mercedes-Benz SLK is newer by 34 year(s). Which means there will be less support and parts availability for 1977 BMW 728. In addition, the cost of maintenance, including insurance, on 1977 BMW 728 would be higher. At 2,788 cc (6 cylinders), 1977 BMW 728 is equipped with a bigger engine. In terms of performance, 2011 Mercedes-Benz SLK (182 HP @ 5250 RPM) has 12 more horse power than 1977 BMW 728. (170 HP @ 6000 RPM) In normal driving conditions, 2011 Mercedes-Benz SLK should accelerate faster than 1977 BMW 728. With that said, vehicle weight also plays an important factor in acceleration. 1977 BMW 728 weights approximately 101 kg more than 2011 Mercedes-Benz SLK.
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 SLK (250 Nm @ 1800 RPM) has 15 more torque (in Nm) than 1977 BMW 728. (235 Nm @ 3700 RPM). This means 2011 Mercedes-Benz SLK will have an easier job in driving up hills or pulling heavy equipment than 1977 BMW 728. 2011 Mercedes-Benz SLK has automatic transmission and 1977 BMW 728 has manual transmission. 1977 BMW 728 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2011 Mercedes-Benz SLK will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1977 BMW 728 | 2011 Mercedes-Benz SLK | |
| Make | BMW | Mercedes-Benz |
| Model | 728 | SLK |
| Year Released | 1977 | 2011 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2788 cc | 1796 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 170 HP | 182 HP |
| Engine RPM | 6000 RPM | 5250 RPM |
| Torque | 235 Nm | 250 Nm |
| Torque RPM | 3700 RPM | 1800 RPM |
| Top Speed | 193 km/hour | 240 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | 7-speed shiftable automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1536 kg | 1435 kg |
| Vehicle Length | 4870 mm | 4135 mm |
| Vehicle Width | 1810 mm | 1816 mm |
| Vehicle Height | 1440 mm | 1300 mm |
| Wheelbase Size | 2800 mm | 2431 mm |
| Fuel Tank Capacity | 85 L | 60 L |
