2006 Audi A4 vs. 1991 Mercedes-Benz G
To start off, 2006 Audi A4 is newer by 15 year(s). Which means there will be less support and parts availability for 1991 Mercedes-Benz G. In addition, the cost of maintenance, including insurance, on 1991 Mercedes-Benz G would be higher. At 3,123 cc (6 cylinders), 2006 Audi A4 is equipped with a bigger engine. In terms of performance, 2006 Audi A4 (252 HP @ 6500 RPM) has 127 more horse power than 1991 Mercedes-Benz G. (125 HP @ 5000 RPM). In normal driving conditions, 2006 Audi A4 should accelerate faster than 1991 Mercedes-Benz G. With that said, vehicle weight also plays an important factor in acceleration. 1991 Mercedes-Benz G weights approximately 290 kg more than 2006 Audi A4.
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, 2006 Audi A4 (330 Nm @ 3250 RPM) has 138 more torque (in Nm) than 1991 Mercedes-Benz G. (192 Nm @ 4000 RPM). This means 2006 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1991 Mercedes-Benz G.
Compare all specifications:
| 2006 Audi A4 | 1991 Mercedes-Benz G | |
| Make | Audi | Mercedes-Benz |
| Model | A4 | G |
| Year Released | 2006 | 1991 |
| Body Type | Station Wagon | SUV |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 2299 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 252 HP | 125 HP |
| Engine RPM | 6500 RPM | 5000 RPM |
| Torque | 330 Nm | 192 Nm |
| Torque RPM | 3250 RPM | 4000 RPM |
| Engine Bore Size | 84.5 mm | 95.5 mm |
| Engine Stroke Size | 92.8 mm | 80.2 mm |
| Engine Compression Ratio | 12.5:1 | 9.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1590 kg | 1880 kg |
| Vehicle Length | 4590 mm | 4240 mm |
| Vehicle Width | 1780 mm | 1770 mm |
| Vehicle Height | 1430 mm | 1940 mm |
| Wheelbase Size | 2650 mm | 2410 mm |
