1991 Jaguar XJR-15 vs. 1971 Opel Kadett
To start off, 1991 Jaguar XJR-15 is newer by 20 year(s). Which means there will be less support and parts availability for 1971 Opel Kadett. In addition, the cost of maintenance, including insurance, on 1971 Opel Kadett would be higher. At 5,993 cc (12 cylinders), 1991 Jaguar XJR-15 is equipped with a bigger engine. In terms of performance, 1991 Jaguar XJR-15 (450 HP @ 6250 RPM) has 406 more horse power than 1971 Opel Kadett. (44 HP @ 5000 RPM). In normal driving conditions, 1991 Jaguar XJR-15 should accelerate faster than 1971 Opel Kadett. With that said, vehicle weight also plays an important factor in acceleration. 1991 Jaguar XJR-15 weights approximately 295 kg more than 1971 Opel Kadett. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 1991 Jaguar XJR-15 (570 Nm @ 4500 RPM) has 496 more torque (in Nm) than 1971 Opel Kadett. (74 Nm @ 2800 RPM). This means 1991 Jaguar XJR-15 will have an easier job in driving up hills or pulling heavy equipment than 1971 Opel Kadett.
Compare all specifications:
| 1991 Jaguar XJR-15 | 1971 Opel Kadett | |
| Make | Jaguar | Opel |
| Model | XJR-15 | Kadett |
| Year Released | 1991 | 1971 |
| Body Type | Coupe | Coupe |
| Engine Position | Middle | Front |
| Engine Size | 5993 cc | 1077 cc |
| Engine Cylinders | 12 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 450 HP | 44 HP |
| Engine RPM | 6250 RPM | 5000 RPM |
| Torque | 570 Nm | 74 Nm |
| Torque RPM | 4500 RPM | 2800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 1 seats | 5 seats |
| Vehicle Weight | 1050 kg | 755 kg |
| Vehicle Length | 4810 mm | 4190 mm |
| Vehicle Width | 1910 mm | 1590 mm |
| Vehicle Height | 1110 mm | 1420 mm |
| Wheelbase Size | 2870 mm | 2430 mm |
