1991 Audi Coupe vs. 2009 Mercedes-Benz G
To start off, 2009 Mercedes-Benz G is newer by 18 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 5,439 cc (8 cylinders), 2009 Mercedes-Benz G is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz G (500 HP @ 6100 RPM) has 326 more horse power than 1991 Audi Coupe. (174 HP @ 5500 RPM) In normal driving conditions, 2009 Mercedes-Benz G should accelerate faster than 1991 Audi Coupe. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mercedes-Benz G weights approximately 51 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, 2009 Mercedes-Benz G (700 Nm @ 2750 RPM) has 451 more torque (in Nm) than 1991 Audi Coupe. (249 Nm @ 3000 RPM). This means 2009 Mercedes-Benz G will have an easier job in driving up hills or pulling heavy equipment than 1991 Audi Coupe.
Compare all specifications:
| 1991 Audi Coupe | 2009 Mercedes-Benz G | |
| Make | Audi | Mercedes-Benz |
| Model | Coupe | G |
| Year Released | 1991 | 2009 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 2770 cc | 5439 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 174 HP | 500 HP |
| Engine RPM | 5500 RPM | 6100 RPM |
| Torque | 249 Nm | 700 Nm |
| Torque RPM | 3000 RPM | 2750 RPM |
| Engine Compression Ratio | 10.0:1 | 9.0:1 |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 1174 kg | 1225 kg |
| Vehicle Length | 4370 mm | 4690 mm |
| Vehicle Width | 1720 mm | 1860 mm |
| Vehicle Height | 1380 mm | 1940 mm |
| Wheelbase Size | 2560 mm | 2860 mm |
| Fuel Tank Capacity | 80 L | 96 L |
