1991 Audi S2 vs. 2013 Mercedes-Benz SLS
To start off, 2013 Mercedes-Benz SLS is newer by 22 year(s). Which means there will be less support and parts availability for 1991 Audi S2. In addition, the cost of maintenance, including insurance, on 1991 Audi S2 would be higher. At 6,300 cc (8 cylinders), 2013 Mercedes-Benz SLS is equipped with a bigger engine. In terms of performance, 2013 Mercedes-Benz SLS (575 HP @ 6800 RPM) has 359 more horse power than 1991 Audi S2. (216 HP @ 5900 RPM) In normal driving conditions, 2013 Mercedes-Benz SLS should accelerate faster than 1991 Audi S2. With that said, vehicle weight also plays an important factor in acceleration. 2013 Mercedes-Benz SLS weights approximately 203 kg more than 1991 Audi S2. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1991 Audi S2 is four wheel drive (4WD), it will have significant more traction and grip than 2013 Mercedes-Benz SLS. In wet, icy, snow, or gravel driving conditions, 1991 Audi S2 will offer significantly more control. 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, 2013 Mercedes-Benz SLS (649 Nm @ 4750 RPM) has 340 more torque (in Nm) than 1991 Audi S2. (309 Nm @ 1950 RPM). This means 2013 Mercedes-Benz SLS will have an easier job in driving up hills or pulling heavy equipment than 1991 Audi S2.
Compare all specifications:
| 1991 Audi S2 | 2013 Mercedes-Benz SLS | |
| Make | Audi | Mercedes-Benz |
| Model | S2 | SLS |
| Year Released | 1991 | 2013 |
| Engine Position | Front | Rear |
| Engine Size | 2226 cc | 6300 cc |
| Engine Cylinders | 5 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 216 HP | 575 HP |
| Engine RPM | 5900 RPM | 6800 RPM |
| Torque | 309 Nm | 649 Nm |
| Torque RPM | 1950 RPM | 4750 RPM |
| Engine Bore Size | 81.1 mm | 102 mm |
| Engine Stroke Size | 86.4 mm | 94 mm |
| Engine Compression Ratio | 9.3:1 | 11.3:1 |
| Acceleration 0-100mph | 6.1 seconds | 4 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1420 kg | 1623 kg |
| Vehicle Length | 4410 mm | 4638 mm |
| Vehicle Width | 1720 mm | 2078 mm |
| Vehicle Height | 1380 mm | 1262 mm |
| Wheelbase Size | 2560 mm | 2680 mm |
| Fuel Consumption | 9.3 L/100km | 11.8 L/100km |
| Fuel Consumption City | 14.3 L/100km | 16.8 L/100km |
