1991 Audi Coupe vs. 2013 Mercedes-Benz M
To start off, 2013 Mercedes-Benz M 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 M is equipped with a bigger engine. In terms of performance, 2013 Mercedes-Benz M (397 HP @ 5000 RPM) has 222 more horse power than 1991 Audi Coupe. (175 HP @ 5500 RPM) In normal driving conditions, 2013 Mercedes-Benz M should accelerate faster than 1991 Audi Coupe. With that said, vehicle weight also plays an important factor in acceleration. 2013 Mercedes-Benz M weights approximately 968 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.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear 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, 2013 Mercedes-Benz M (601 Nm @ 4750 RPM) has 352 more torque (in Nm) than 1991 Audi Coupe. (249 Nm @ 3000 RPM). This means 2013 Mercedes-Benz M will have an easier job in driving up hills or pulling heavy equipment than 1991 Audi Coupe.
Compare all specifications:
| 1991 Audi Coupe | 2013 Mercedes-Benz M | |
| Make | Audi | Mercedes-Benz |
| Model | Coupe | M |
| Year Released | 1991 | 2013 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 2771 cc | 4600 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | electric |
| Horse Power | 175 HP | 397 HP |
| Engine RPM | 5500 RPM | 5000 RPM |
| Torque | 249 Nm | 601 Nm |
| Torque RPM | 3000 RPM | 4750 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 | 204 km/hour | 210 km/hour |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | 6-speed manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 1320 kg | 2288 kg |
| Vehicle Length | 4370 mm | 4804 mm |
| Vehicle Width | 1720 mm | 2141 mm |
| Vehicle Height | 1370 mm | 1796 mm |
| Wheelbase Size | 2560 mm | 2915 mm |
