1991 Audi Coupe vs. 2013 Mercedes-Benz SL
To start off, 2013 Mercedes-Benz SL is newer by 22 year(s). Which means there will be less support and parts availability for 1991 Audi Coupe. In addition, the cost of maintenance, including insurance, on 1991 Audi Coupe would be higher. At 4,600 cc (8 cylinders), 2013 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, 2013 Mercedes-Benz SL (423 HP @ 5250 RPM) has 249 more horse power than 1991 Audi Coupe. (174 HP @ 5500 RPM) In normal driving conditions, 2013 Mercedes-Benz SL should accelerate faster than 1991 Audi Coupe. With that said, vehicle weight also plays an important factor in acceleration. 2013 Mercedes-Benz SL weights approximately 611 kg more than 1991 Audi Coupe. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1991 Audi Coupe is four wheel drive (4WD), it will have significant more traction and grip than 2013 Mercedes-Benz SL. In wet, icy, snow, or gravel driving conditions, 1991 Audi Coupe 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 SL (700 Nm @ 3500 RPM) has 451 more torque (in Nm) than 1991 Audi Coupe. (249 Nm @ 3000 RPM). This means 2013 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 1991 Audi Coupe. 1991 Audi Coupe has automatic transmission and 2013 Mercedes-Benz SL has manual transmission. 2013 Mercedes-Benz SL will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1991 Audi Coupe will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Audi Coupe | 2013 Mercedes-Benz SL | |
| Make | Audi | Mercedes-Benz |
| Model | Coupe | SL |
| Year Released | 1991 | 2013 |
| Body Type | Coupe | Roadster |
| Engine Position | Front | Middle |
| Engine Size | 2770 cc | 4600 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 174 HP | 423 HP |
| Engine RPM | 5500 RPM | 5250 RPM |
| Torque | 249 Nm | 700 Nm |
| Torque RPM | 3000 RPM | 3500 RPM |
| Engine Bore Size | 82.5 mm | 92 mm |
| Engine Stroke Size | 86.4 mm | 86 mm |
| Engine Compression Ratio | 10.0:1 | 10.5:1 |
| Top Speed | 206 km/hour | 210 km/hour |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | 4-speed manual |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 1174 kg | 1785 kg |
| Vehicle Length | 4370 mm | 4612 mm |
| Vehicle Width | 1720 mm | 2099 mm |
| Vehicle Height | 1380 mm | 1315 mm |
| Wheelbase Size | 2560 mm | 2585 mm |
