1991 Audi Coupe vs. 1981 Mercedes-Benz G
To start off, 1991 Audi Coupe is newer by 10 year(s). Which means there will be less support and parts availability for 1981 Mercedes-Benz G. In addition, the cost of maintenance, including insurance, on 1981 Mercedes-Benz G would be higher. At 2,771 cc (6 cylinders), 1991 Audi Coupe is equipped with a bigger engine. In terms of performance, 1991 Audi Coupe (175 HP @ 5500 RPM) has 50 more horse power than 1981 Mercedes-Benz G. (125 HP @ 5000 RPM). In normal driving conditions, 1991 Audi Coupe should accelerate faster than 1981 Mercedes-Benz G. With that said, vehicle weight also plays an important factor in acceleration. 1981 Mercedes-Benz G weights approximately 610 kg more than 1991 Audi Coupe.
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, 1991 Audi Coupe (249 Nm @ 3000 RPM) has 63 more torque (in Nm) than 1981 Mercedes-Benz G. (186 Nm @ 4000 RPM). This means 1991 Audi Coupe will have an easier job in driving up hills or pulling heavy equipment than 1981 Mercedes-Benz G.
Compare all specifications:
| 1991 Audi Coupe | 1981 Mercedes-Benz G | |
| Make | Audi | Mercedes-Benz |
| Model | Coupe | G |
| Year Released | 1991 | 1981 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 2771 cc | 2299 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 175 HP | 125 HP |
| Engine RPM | 5500 RPM | 5000 RPM |
| Torque | 249 Nm | 186 Nm |
| Torque RPM | 3000 RPM | 4000 RPM |
| Engine Compression Ratio | 10.0:1 | 9.0:1 |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1320 kg | 1930 kg |
| Vehicle Length | 4370 mm | 4690 mm |
| Vehicle Width | 1720 mm | 1770 mm |
| Vehicle Height | 1370 mm | 1940 mm |
| Wheelbase Size | 2560 mm | 2860 mm |
