1970 Riley 4 vs. 1989 Rover Land Rover Discovery
To start off, 1989 Rover Land Rover Discovery is newer by 19 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 2,494 cc (4 cylinders), 1989 Rover Land Rover Discovery is equipped with a bigger engine. In terms of performance, 1989 Rover Land Rover Discovery (111 HP @ 4000 RPM) has 44 more horse power than 1970 Riley 4. (67 HP @ 5000 RPM) In normal driving conditions, 1989 Rover Land Rover Discovery should accelerate faster than 1970 Riley 4. With that said, vehicle weight also plays an important factor in acceleration. 1989 Rover Land Rover Discovery weights approximately 864 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 1989 Rover Land Rover Discovery is four wheel drive (4WD), it will have significant more traction and grip than 1970 Riley 4. In wet, icy, snow, or gravel driving conditions, 1989 Rover Land Rover Discovery 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, 1989 Rover Land Rover Discovery (265 Nm @ 1800 RPM) has 145 more torque (in Nm) than 1970 Riley 4. (120 Nm @ 2500 RPM). This means 1989 Rover Land Rover Discovery will have an easier job in driving up hills or pulling heavy equipment than 1970 Riley 4.
Compare all specifications:
| 1970 Riley 4 | 1989 Rover Land Rover Discovery | |
| Make | Riley | Rover |
| Model | 4 | Land Rover Discovery |
| Year Released | 1970 | 1989 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 1622 cc | 2494 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 67 HP | 111 HP |
| Engine RPM | 5000 RPM | 4000 RPM |
| Torque | 120 Nm | 265 Nm |
| Torque RPM | 2500 RPM | 1800 RPM |
| Engine Bore Size | 76.2 mm | 90.5 mm |
| Engine Stroke Size | 88.9 mm | 97 mm |
| Engine Compression Ratio | 8.3:1 | 19.5:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1148 kg | 2012 kg |
| Vehicle Length | 4540 mm | 4530 mm |
| Vehicle Width | 1620 mm | 1800 mm |
| Vehicle Height | 1510 mm | 1930 mm |
| Wheelbase Size | 2530 mm | 2550 mm |
