1991 Rover 100 vs. 2011 Jaguar XK
To start off, 2011 Jaguar XK 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 5,000 cc (8 cylinders), 2011 Jaguar XK is equipped with a bigger engine. In terms of performance, 2011 Jaguar XK (510 HP @ 6000 RPM) has 408 more horse power than 1991 Rover 100. (102 HP @ 6000 RPM) In normal driving conditions, 2011 Jaguar XK should accelerate faster than 1991 Rover 100. With that said, vehicle weight also plays an important factor in acceleration. 2011 Jaguar XK 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, 2011 Jaguar XK (624 Nm @ 2500 RPM) has 489 more torque (in Nm) than 1991 Rover 100. (135 Nm @ 5000 RPM). This means 2011 Jaguar XK will have an easier job in driving up hills or pulling heavy equipment than 1991 Rover 100.
Compare all specifications:
| 1991 Rover 100 | 2011 Jaguar XK | |
| Make | Rover | Jaguar |
| Model | 100 | XK |
| Year Released | 1991 | 2011 |
| Engine Position | Front | Front |
| Engine Size | 1396 cc | 5000 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 102 HP | 510 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 135 Nm | 624 Nm |
| Torque RPM | 5000 RPM | 2500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 870 kg | 1800 kg |
| Vehicle Length | 3530 mm | 4793 mm |
| Vehicle Width | 1570 mm | 1892 mm |
| Vehicle Height | 1380 mm | 1321 mm |
