2002 Audi RS6 vs. 1991 Mercedes-Benz 400
To start off, 2002 Audi RS6 is newer by 11 year(s). Which means there will be less support and parts availability for 1991 Mercedes-Benz 400. In addition, the cost of maintenance, including insurance, on 1991 Mercedes-Benz 400 would be higher. At 4,196 cc (8 cylinders), 1991 Mercedes-Benz 400 is equipped with a bigger engine. In terms of performance, 2002 Audi RS6 (444 HP @ 6300 RPM) has 158 more horse power than 1991 Mercedes-Benz 400. (286 HP @ 5700 RPM). In normal driving conditions, 2002 Audi RS6 should accelerate faster than 1991 Mercedes-Benz 400. With that said, vehicle weight also plays an important factor in acceleration. 1991 Mercedes-Benz 400 weights approximately 164 kg more than 2002 Audi RS6.
Because 2002 Audi RS6 is four wheel drive (4WD), it will have significant more traction and grip than 1991 Mercedes-Benz 400. In wet, icy, snow, or gravel driving conditions, 2002 Audi RS6 will offer significantly more control. 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, 2002 Audi RS6 (560 Nm @ 1950 RPM) has 150 more torque (in Nm) than 1991 Mercedes-Benz 400. (410 Nm @ 3900 RPM). This means 2002 Audi RS6 will have an easier job in driving up hills or pulling heavy equipment than 1991 Mercedes-Benz 400.
Compare all specifications:
| 2002 Audi RS6 | 1991 Mercedes-Benz 400 | |
| Make | Audi | Mercedes-Benz |
| Model | RS6 | 400 |
| Year Released | 2002 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 4196 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 444 HP | 286 HP |
| Engine RPM | 6300 RPM | 5700 RPM |
| Torque | 560 Nm | 410 Nm |
| Torque RPM | 1950 RPM | 3900 RPM |
| Engine Bore Size | 84.5 mm | 92 mm |
| Engine Stroke Size | 93 mm | 78.9 mm |
| Engine Compression Ratio | 9.0:1 | 10.0:1 |
| Top Speed | 250 km/hour | 245 km/hour |
| Acceleration 0-100mph | 4.9 seconds | 7.7 seconds |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1840 kg | 2004 kg |
| Vehicle Length | 4860 mm | 5220 mm |
| Vehicle Width | 1860 mm | 1890 mm |
| Vehicle Height | 1390 mm | 1500 mm |
| Wheelbase Size | 2760 mm | 3150 mm |
