1991 Rover 100 vs. 2000 Rover 45
To start off, 2000 Rover 45 is newer by 9 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 1,991 cc (6 cylinders), 2000 Rover 45 is equipped with a bigger engine. In terms of performance, 2000 Rover 45 (148 HP @ 6000 RPM) has 46 more horse power than 1991 Rover 100. (102 HP @ 6000 RPM) In normal driving conditions, 2000 Rover 45 should accelerate faster than 1991 Rover 100. With that said, vehicle weight also plays an important factor in acceleration. 2000 Rover 45 weights approximately 395 kg more than 1991 Rover 100. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2000 Rover 45 (189 Nm @ 4000 RPM) has 54 more torque (in Nm) than 1991 Rover 100. (135 Nm @ 5000 RPM). This means 2000 Rover 45 will have an easier job in driving up hills or pulling heavy equipment than 1991 Rover 100.
Compare all specifications:
| 1991 Rover 100 | 2000 Rover 45 | |
| Make | Rover | Rover |
| Model | 100 | 45 |
| Year Released | 1991 | 2000 |
| Engine Position | Front | Front |
| Engine Size | 1396 cc | 1991 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 102 HP | 148 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 135 Nm | 189 Nm |
| Torque RPM | 5000 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 870 kg | 1265 kg |
| Vehicle Length | 3530 mm | 4520 mm |
| Vehicle Width | 1570 mm | 1700 mm |
| Vehicle Height | 1380 mm | 1400 mm |
