2003 Audi RS6 vs. 1978 Mercedes-Benz W 123 Coupe
To start off, 2003 Audi RS6 is newer by 25 year(s). Which means there will be less support and parts availability for 1978 Mercedes-Benz W 123 Coupe. In addition, the cost of maintenance, including insurance, on 1978 Mercedes-Benz W 123 Coupe would be higher. At 4,163 cc (8 cylinders), 2003 Audi RS6 is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 2003 Audi RS6 weights approximately 484 kg more than 1978 Mercedes-Benz W 123 Coupe.
Because 2003 Audi RS6 is four wheel drive (4WD), it will have significant more traction and grip than 1978 Mercedes-Benz W 123 Coupe. In wet, icy, snow, or gravel driving conditions, 2003 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.
Compare all specifications:
| 2003 Audi RS6 | 1978 Mercedes-Benz W 123 Coupe | |
| Make | Audi | Mercedes-Benz |
| Model | RS6 | W 123 Coupe |
| Year Released | 2003 | 1978 |
| Body Type | Sedan | Coupe |
| Engine Size | 4163 cc | 2307 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 444 HP | 0 HP |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1840 kg | 1356 kg |
| Vehicle Length | 4800 mm | 4650 mm |
| Vehicle Width | 1820 mm | 1790 mm |
| Vehicle Height | 1460 mm | 1400 mm |
| Wheelbase Size | 2760 mm | 2720 mm |
