1990 Jaguar XJR-15 vs. 1991 Renault 21
To start off, 1991 Renault 21 is newer by 1 year(s). Which means there will be less support and parts availability for 1990 Jaguar XJR-15. In addition, the cost of maintenance, including insurance, on 1990 Jaguar XJR-15 would be higher. At 5,993 cc (12 cylinders), 1990 Jaguar XJR-15 is equipped with a bigger engine. In terms of performance, 1990 Jaguar XJR-15 (450 HP @ 6250 RPM) has 375 more horse power than 1991 Renault 21. (75 HP @ 5000 RPM). In normal driving conditions, 1990 Jaguar XJR-15 should accelerate faster than 1991 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 1990 Jaguar XJR-15 weights approximately 95 kg more than 1991 Renault 21. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1990 Jaguar XJR-15 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1990 Jaguar XJR-15. However, in wet, icy, snow, or gravel driving conditions, 1991 Renault 21, being front wheel drive (FWD), will offer much better control with better grip. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 1990 Jaguar XJR-15 (569 Nm @ 4500 RPM) has 440 more torque (in Nm) than 1991 Renault 21. (129 Nm @ 3250 RPM). This means 1990 Jaguar XJR-15 will have an easier job in driving up hills or pulling heavy equipment than 1991 Renault 21.
Compare all specifications:
| 1990 Jaguar XJR-15 | 1991 Renault 21 | |
| Make | Jaguar | Renault |
| Model | XJR-15 | 21 |
| Year Released | 1990 | 1991 |
| Engine Position | Middle | Front |
| Engine Size | 5993 cc | 1721 cc |
| Engine Cylinders | 12 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 450 HP | 75 HP |
| Engine RPM | 6250 RPM | 5000 RPM |
| Torque | 569 Nm | 129 Nm |
| Torque RPM | 4500 RPM | 3250 RPM |
| Engine Bore Size | 90.1 mm | 81.1 mm |
| Engine Stroke Size | 78.5 mm | 83.5 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 1 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1050 kg | 955 kg |
| Vehicle Length | 4810 mm | 4470 mm |
| Vehicle Width | 1910 mm | 1730 mm |
| Vehicle Height | 1110 mm | 1430 mm |
| Wheelbase Size | 2870 mm | 2550 mm |
| Fuel Tank Capacity | 90 L | 55 L |
