2004 Audi A6 vs. 1991 Mercedes-Benz S
To start off, 2004 Audi A6 is newer by 13 year(s). Which means there will be less support and parts availability for 1991 Mercedes-Benz S. In addition, the cost of maintenance, including insurance, on 1991 Mercedes-Benz S would be higher. At 2,598 cc (6 cylinders), 1991 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 1991 Mercedes-Benz S (164 HP @ 4600 RPM) has 26 more horse power than 2004 Audi A6. (138 HP @ 4000 RPM) In normal driving conditions, 1991 Mercedes-Benz S should accelerate faster than 2004 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A6 weights approximately 20 kg more than 1991 Mercedes-Benz S.
Because 1991 Mercedes-Benz S is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1991 Mercedes-Benz S. However, in wet, icy, snow, or gravel driving conditions, 2004 Audi A6, being front wheel drive (FWD), will offer much better control with better grip. 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, 2004 Audi A6 (320 Nm @ 1750 RPM) has 92 more torque (in Nm) than 1991 Mercedes-Benz S. (228 Nm @ 4600 RPM). This means 2004 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 1991 Mercedes-Benz S.
Compare all specifications:
| 2004 Audi A6 | 1991 Mercedes-Benz S | |
| Make | Audi | Mercedes-Benz |
| Model | A6 | S |
| Year Released | 2004 | 1991 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1968 cc | 2598 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 138 HP | 164 HP |
| Engine RPM | 4000 RPM | 4600 RPM |
| Torque | 320 Nm | 228 Nm |
| Torque RPM | 1750 RPM | 4600 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1540 kg | 1520 kg |
| Vehicle Length | 4920 mm | 5030 mm |
| Vehicle Width | 1860 mm | 1830 mm |
| Vehicle Height | 1470 mm | 1440 mm |
| Wheelbase Size | 2850 mm | 2950 mm |
