1990 Renault 21 vs. 2006 Rover 25
To start off, 2006 Rover 25 is newer by 16 year(s). Which means there will be less support and parts availability for 1990 Renault 21. In addition, the cost of maintenance, including insurance, on 1990 Renault 21 would be higher. At 1,721 cc (4 cylinders), 1990 Renault 21 is equipped with a bigger engine. In terms of performance, 2006 Rover 25 (83 HP @ 6000 RPM) has 8 more horse power than 1990 Renault 21. (75 HP @ 5000 RPM) In normal driving conditions, 2006 Rover 25 should accelerate faster than 1990 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 2006 Rover 25 weights approximately 65 kg more than 1990 Renault 21. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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, 1990 Renault 21 (129 Nm @ 3250 RPM) has 19 more torque (in Nm) than 2006 Rover 25. (110 Nm @ 4500 RPM). This means 1990 Renault 21 will have an easier job in driving up hills or pulling heavy equipment than 2006 Rover 25.
Compare all specifications:
| 1990 Renault 21 | 2006 Rover 25 | |
| Make | Renault | Rover |
| Model | 21 | 25 |
| Year Released | 1990 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 1721 cc | 1396 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 75 HP | 83 HP |
| Engine RPM | 5000 RPM | 6000 RPM |
| Torque | 129 Nm | 110 Nm |
| Torque RPM | 3250 RPM | 4500 RPM |
| Engine Bore Size | 81 mm | 75.1 mm |
| Engine Stroke Size | 83.5 mm | 79 mm |
| Engine Compression Ratio | 9.2:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1020 kg | 1085 kg |
| Vehicle Length | 4650 mm | 4000 mm |
| Vehicle Width | 1720 mm | 1690 mm |
| Vehicle Height | 1430 mm | 1420 mm |
| Wheelbase Size | 2820 mm | 2510 mm |
