1989 Jaguar XJR vs. 1991 Rover 100
To start off, 1991 Rover 100 is newer by 2 year(s). Which means there will be less support and parts availability for 1989 Jaguar XJR. In addition, the cost of maintenance, including insurance, on 1989 Jaguar XJR would be higher. At 5,996 cc (12 cylinders), 1989 Jaguar XJR is equipped with a bigger engine. In terms of performance, 1989 Jaguar XJR (318 HP @ 5250 RPM) has 216 more horse power than 1991 Rover 100. (102 HP @ 6000 RPM). In normal driving conditions, 1989 Jaguar XJR should accelerate faster than 1991 Rover 100. With that said, vehicle weight also plays an important factor in acceleration. 1989 Jaguar XJR weights approximately 930 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, 1989 Jaguar XJR (476 Nm @ 3750 RPM) has 341 more torque (in Nm) than 1991 Rover 100. (135 Nm @ 5000 RPM). This means 1989 Jaguar XJR will have an easier job in driving up hills or pulling heavy equipment than 1991 Rover 100.
Compare all specifications:
| 1989 Jaguar XJR | 1991 Rover 100 | |
| Make | Jaguar | Rover |
| Model | XJR | 100 |
| Year Released | 1989 | 1991 |
| Engine Position | Middle | Front |
| Engine Size | 5996 cc | 1396 cc |
| Engine Cylinders | 12 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 318 HP | 102 HP |
| Engine RPM | 5250 RPM | 6000 RPM |
| Torque | 476 Nm | 135 Nm |
| Torque RPM | 3750 RPM | 5000 RPM |
| Engine Bore Size | 90.1 mm | 75 mm |
| Engine Stroke Size | 78.5 mm | 79 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1800 kg | 870 kg |
| Vehicle Length | 4770 mm | 3530 mm |
| Vehicle Width | 1890 mm | 1570 mm |
| Vehicle Height | 1270 mm | 1380 mm |
