1991 Rover 100 vs. 2011 Porsche Cayman
To start off, 2011 Porsche Cayman is newer by 20 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 3,400 cc (6 cylinders), 2011 Porsche Cayman is equipped with a bigger engine. In terms of performance, 2011 Porsche Cayman (330 HP @ 7400 RPM) has 228 more horse power than 1991 Rover 100. (102 HP @ 6000 RPM) In normal driving conditions, 2011 Porsche Cayman should accelerate faster than 1991 Rover 100. With that said, vehicle weight also plays an important factor in acceleration. 2011 Porsche Cayman weights approximately 425 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, 2011 Porsche Cayman (370 Nm @ 4750 RPM) has 235 more torque (in Nm) than 1991 Rover 100. (135 Nm @ 5000 RPM). This means 2011 Porsche Cayman will have an easier job in driving up hills or pulling heavy equipment than 1991 Rover 100.
Compare all specifications:
| 1991 Rover 100 | 2011 Porsche Cayman | |
| Make | Rover | Porsche |
| Model | 100 | Cayman |
| Year Released | 1991 | 2011 |
| Engine Position | Front | Middle |
| Engine Size | 1396 cc | 3400 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 102 HP | 330 HP |
| Engine RPM | 6000 RPM | 7400 RPM |
| Torque | 135 Nm | 370 Nm |
| Torque RPM | 5000 RPM | 4750 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 2 seats |
| Vehicle Weight | 870 kg | 1295 kg |
| Vehicle Length | 3530 mm | 4346 mm |
| Vehicle Width | 1570 mm | 1801 mm |
| Vehicle Height | 1380 mm | 1285 mm |
