1950 Riley RM A vs. 1981 Audi 4000
To start off, 1981 Audi 4000 is newer by 31 year(s). Which means there will be less support and parts availability for 1950 Riley RM A. In addition, the cost of maintenance, including insurance, on 1950 Riley RM A would be higher. At 1,800 cc (4 cylinders), 1981 Audi 4000 is equipped with a bigger engine.
Because 1981 Audi 4000 is four wheel drive (4WD), it will have significant more traction and grip than 1950 Riley RM A. In wet, icy, snow, or gravel driving conditions, 1981 Audi 4000 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. 1981 Audi 4000 has automatic transmission and 1950 Riley RM A has manual transmission. 1950 Riley RM A will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1981 Audi 4000 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1950 Riley RM A | 1981 Audi 4000 | |
| Make | Riley | Audi |
| Model | RM A | 4000 |
| Year Released | 1950 | 1981 |
| Engine Size | 1496 cc | 1800 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 0 HP | 0 HP |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Vehicle Length | 4560 mm | 4490 mm |
| Vehicle Width | 1620 mm | 1690 mm |
| Vehicle Height | 1550 mm | 1370 mm |
| Wheelbase Size | 2870 mm | 2550 mm |
