1971 Renault 15 vs. 2013 Jaguar XJ
To start off, 2013 Jaguar XJ is newer by 42 year(s). Which means there will be less support and parts availability for 1971 Renault 15. In addition, the cost of maintenance, including insurance, on 1971 Renault 15 would be higher. At 5,000 cc (4 cylinders), 2013 Jaguar XJ is equipped with a bigger engine. In terms of performance, 2013 Jaguar XJ (464 HP @ 6500 RPM) has 375 more horse power than 1971 Renault 15. (89 HP @ 5500 RPM) In normal driving conditions, 2013 Jaguar XJ should accelerate faster than 1971 Renault 15. With that said, vehicle weight also plays an important factor in acceleration. 2013 Jaguar XJ weights approximately 850 kg more than 1971 Renault 15. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2013 Jaguar XJ (575 Nm @ 5000 RPM) has 450 more torque (in Nm) than 1971 Renault 15. (125 Nm @ 3000 RPM). This means 2013 Jaguar XJ will have an easier job in driving up hills or pulling heavy equipment than 1971 Renault 15.
Compare all specifications:
| 1971 Renault 15 | 2013 Jaguar XJ | |
| Make | Renault | Jaguar |
| Model | 15 | XJ |
| Year Released | 1971 | 2013 |
| Engine Position | Front | Front |
| Engine Size | 1565 cc | 5000 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | W |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 89 HP | 464 HP |
| Engine RPM | 5500 RPM | 6500 RPM |
| Torque | 125 Nm | 575 Nm |
| Torque RPM | 3000 RPM | 5000 RPM |
| Engine Bore Size | 77 mm | 92 mm |
| Engine Stroke Size | 84 mm | 93 mm |
| Engine Compression Ratio | 9.3:1 | 9.5:1 |
| Fuel Type | Gasoline | Gasoline / Electric Hybrid |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 1020 kg | 1870 kg |
| Vehicle Length | 4260 mm | 5252 mm |
| Vehicle Width | 1640 mm | 2105 mm |
| Vehicle Height | 1320 mm | 1456 mm |
| Wheelbase Size | 2440 mm | 3157 mm |
