1970 Riley 4 vs. 2006 Rover 75
To start off, 2006 Rover 75 is newer by 36 year(s). Which means there will be less support and parts availability for 1970 Riley 4. In addition, the cost of maintenance, including insurance, on 1970 Riley 4 would be higher. At 1,796 cc (4 cylinders), 2006 Rover 75 is equipped with a bigger engine. In terms of performance, 2006 Rover 75 (119 HP @ 5500 RPM) has 52 more horse power than 1970 Riley 4. (67 HP @ 5000 RPM) In normal driving conditions, 2006 Rover 75 should accelerate faster than 1970 Riley 4. With that said, vehicle weight also plays an important factor in acceleration. 2006 Rover 75 weights approximately 222 kg more than 1970 Riley 4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1970 Riley 4 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 1970 Riley 4. However, in wet, icy, snow, or gravel driving conditions, 2006 Rover 75, 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, 2006 Rover 75 (160 Nm @ 4000 RPM) has 40 more torque (in Nm) than 1970 Riley 4. (120 Nm @ 2500 RPM). This means 2006 Rover 75 will have an easier job in driving up hills or pulling heavy equipment than 1970 Riley 4.
Compare all specifications:
| 1970 Riley 4 | 2006 Rover 75 | |
| Make | Riley | Rover |
| Model | 4 | 75 |
| Year Released | 1970 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 1622 cc | 1796 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 67 HP | 119 HP |
| Engine RPM | 5000 RPM | 5500 RPM |
| Torque | 120 Nm | 160 Nm |
| Torque RPM | 2500 RPM | 4000 RPM |
| Engine Bore Size | 76.2 mm | 80 mm |
| Engine Stroke Size | 88.9 mm | 89.3 mm |
| Engine Compression Ratio | 8.3:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1148 kg | 1370 kg |
| Vehicle Length | 4540 mm | 4750 mm |
| Vehicle Width | 1620 mm | 1780 mm |
| Vehicle Height | 1510 mm | 1430 mm |
| Wheelbase Size | 2530 mm | 2750 mm |
| Fuel Tank Capacity | 45 L | 65 L |
