1991 Rover 100 vs. 2006 Rover 25
To start off, 2006 Rover 25 is newer by 15 year(s). Which means there will be less support and parts availability for 1991 Rover 100. In addition, the cost of maintenance, including insurance, on 1991 Rover 100 would be higher. At 1,994 cc (4 cylinders), 2006 Rover 25 is equipped with a bigger engine. In terms of performance, 1991 Rover 100 (102 HP @ 6000 RPM) has 2 more horse power than 2006 Rover 25. (100 HP @ 4200 RPM). In normal driving conditions, 1991 Rover 100 should accelerate faster than 2006 Rover 25. With that said, vehicle weight also plays an important factor in acceleration. 2006 Rover 25 weights approximately 260 kg more than 1991 Rover 100.
Let's talk about torque, 2006 Rover 25 (240 Nm @ 2000 RPM) has 105 more torque (in Nm) than 1991 Rover 100. (135 Nm @ 5000 RPM). This means 2006 Rover 25 will have an easier job in driving up hills or pulling heavy equipment than 1991 Rover 100.
Compare all specifications:
| 1991 Rover 100 | 2006 Rover 25 | |
| Make | Rover | Rover |
| Model | 100 | 25 |
| Year Released | 1991 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 1396 cc | 1994 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 102 HP | 100 HP |
| Engine RPM | 6000 RPM | 4200 RPM |
| Torque | 135 Nm | 240 Nm |
| Torque RPM | 5000 RPM | 2000 RPM |
| Engine Bore Size | 75 mm | 84.5 mm |
| Engine Stroke Size | 79 mm | 88.9 mm |
| Fuel Type | Gasoline | Diesel |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 870 kg | 1130 kg |
| Vehicle Length | 3530 mm | 4000 mm |
| Vehicle Width | 1570 mm | 1690 mm |
| Vehicle Height | 1380 mm | 1430 mm |
