2009 Jaguar XJ vs. 1989 Renault 21
To start off, 2009 Jaguar XJ is newer by 20 year(s). Which means there will be less support and parts availability for 1989 Renault 21. In addition, the cost of maintenance, including insurance, on 1989 Renault 21 would be higher. At 4,194 cc (8 cylinders), 2009 Jaguar XJ is equipped with a bigger engine. In terms of performance, 2009 Jaguar XJ (391 HP @ 6100 RPM) has 316 more horse power than 1989 Renault 21. (75 HP @ 5000 RPM). In normal driving conditions, 2009 Jaguar XJ should accelerate faster than 1989 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 2009 Jaguar XJ weights approximately 645 kg more than 1989 Renault 21. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear 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, 2009 Jaguar XJ (541 Nm @ 4100 RPM) has 412 more torque (in Nm) than 1989 Renault 21. (129 Nm @ 3250 RPM). This means 2009 Jaguar XJ will have an easier job in driving up hills or pulling heavy equipment than 1989 Renault 21. 2009 Jaguar XJ has automatic transmission and 1989 Renault 21 has manual transmission. 1989 Renault 21 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Jaguar XJ will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Jaguar XJ | 1989 Renault 21 | |
| Make | Jaguar | Renault |
| Model | XJ | 21 |
| Year Released | 2009 | 1989 |
| Engine Position | Front | Front |
| Engine Size | 4194 cc | 1721 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 391 HP | 75 HP |
| Engine RPM | 6100 RPM | 5000 RPM |
| Torque | 541 Nm | 129 Nm |
| Torque RPM | 4100 RPM | 3250 RPM |
| Engine Compression Ratio | 9.1:1 | 9.2:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Vehicle Weight | 1665 kg | 1020 kg |
| Vehicle Length | 5100 mm | 4650 mm |
| Vehicle Width | 1450 mm | 1720 mm |
| Wheelbase Size | 3040 mm | 2820 mm |
