2007 Audi S4 vs. 1951 Riley RM A
To start off, 2007 Audi S4 is newer by 56 year(s). Which means there will be less support and parts availability for 1951 Riley RM A. In addition, the cost of maintenance, including insurance, on 1951 Riley RM A would be higher. At 4,163 cc (8 cylinders), 2007 Audi S4 is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi S4 weights approximately 40 kg more than 1951 Riley RM A.
Because 2007 Audi S4 is four wheel drive (4WD), it will have significant more traction and grip than 1951 Riley RM A. In wet, icy, snow, or gravel driving conditions, 2007 Audi S4 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:
| 2007 Audi S4 | 1951 Riley RM A | |
| Make | Audi | Riley |
| Model | S4 | RM A |
| Year Released | 2007 | 1951 |
| Engine Size | 4163 cc | 1495 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 340 HP | 0 HP |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1275 kg | 1235 kg |
| Vehicle Length | 4580 mm | 4560 mm |
| Vehicle Width | 1790 mm | 1620 mm |
| Vehicle Height | 1450 mm | 1550 mm |
| Wheelbase Size | 2660 mm | 2870 mm |
