2005 Audi RS6 vs. 1976 BMW 630
To start off, 2005 Audi RS6 is newer by 29 year(s). Which means there will be less support and parts availability for 1976 BMW 630. In addition, the cost of maintenance, including insurance, on 1976 BMW 630 would be higher. At 4,171 cc (8 cylinders), 2005 Audi RS6 is equipped with a bigger engine. In terms of performance, 2005 Audi RS6 (444 HP @ 5700 RPM) has 271 more horse power than 1976 BMW 630. (173 HP @ 5500 RPM). In normal driving conditions, 2005 Audi RS6 should accelerate faster than 1976 BMW 630. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi RS6 weights approximately 367 kg more than 1976 BMW 630. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Audi RS6 is four wheel drive (4WD), it will have significant more traction and grip than 1976 BMW 630. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Audi RS6 (560 Nm @ 1950 RPM) has 309 more torque (in Nm) than 1976 BMW 630. (251 Nm @ 4500 RPM). This means 2005 Audi RS6 will have an easier job in driving up hills or pulling heavy equipment than 1976 BMW 630.
Compare all specifications:
| 2005 Audi RS6 | 1976 BMW 630 | |
| Make | Audi | BMW |
| Model | RS6 | 630 |
| Year Released | 2005 | 1976 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4171 cc | 2986 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 444 HP | 173 HP |
| Engine RPM | 5700 RPM | 5500 RPM |
| Torque | 560 Nm | 251 Nm |
| Torque RPM | 1950 RPM | 4500 RPM |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1825 kg | 1458 kg |
| Vehicle Length | 4800 mm | 4760 mm |
| Vehicle Height | 1460 mm | 1390 mm |
| Wheelbase Size | 2770 mm | 2630 mm |
