2007 Audi S4 vs. 1981 Mercedes-Benz G
To start off, 2007 Audi S4 is newer by 26 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 4,163 cc (8 cylinders), 2007 Audi S4 is equipped with a bigger engine. In terms of performance, 2007 Audi S4 (340 HP @ 7000 RPM) has 215 more horse power than 1981 Mercedes-Benz G. (125 HP @ 5000 RPM). In normal driving conditions, 2007 Audi S4 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 350 kg more than 2007 Audi S4.
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, 2007 Audi S4 (410 Nm @ 3500 RPM) has 217 more torque (in Nm) than 1981 Mercedes-Benz G. (193 Nm @ 4000 RPM). This means 2007 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1981 Mercedes-Benz G.
Compare all specifications:
| 2007 Audi S4 | 1981 Mercedes-Benz G | |
| Make | Audi | Mercedes-Benz |
| Model | S4 | G |
| Year Released | 2007 | 1981 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 2307 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 340 HP | 125 HP |
| Engine RPM | 7000 RPM | 5000 RPM |
| Torque | 410 Nm | 193 Nm |
| Torque RPM | 3500 RPM | 4000 RPM |
| Engine Bore Size | 84.5 mm | 95.5 mm |
| Engine Stroke Size | 93 mm | 80.2 mm |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1530 kg | 1880 kg |
| Vehicle Length | 4590 mm | 4240 mm |
| Vehicle Width | 1790 mm | 1770 mm |
| Vehicle Height | 1420 mm | 1940 mm |
| Wheelbase Size | 2660 mm | 2410 mm |
