2004 Jaguar XJ vs. 1978 Renault 18
To start off, 2004 Jaguar XJ is newer by 26 year(s). Which means there will be less support and parts availability for 1978 Renault 18. In addition, the cost of maintenance, including insurance, on 1978 Renault 18 would be higher. At 4,193 cc (8 cylinders), 2004 Jaguar XJ is equipped with a bigger engine. In terms of performance, 2004 Jaguar XJ (400 HP @ 6100 RPM) has 296 more horse power than 1978 Renault 18. (104 HP @ 5500 RPM). In normal driving conditions, 2004 Jaguar XJ should accelerate faster than 1978 Renault 18. With that said, vehicle weight also plays an important factor in acceleration. 2004 Jaguar XJ weights approximately 622 kg more than 1978 Renault 18. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Jaguar XJ 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 2004 Jaguar XJ. However, in wet, icy, snow, or gravel driving conditions, 1978 Renault 18, 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, 2004 Jaguar XJ (553 Nm @ 3500 RPM) has 393 more torque (in Nm) than 1978 Renault 18. (160 Nm @ 3000 RPM). This means 2004 Jaguar XJ will have an easier job in driving up hills or pulling heavy equipment than 1978 Renault 18. 2004 Jaguar XJ has automatic transmission and 1978 Renault 18 has manual transmission. 1978 Renault 18 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 Jaguar XJ will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Jaguar XJ | 1978 Renault 18 | |
| Make | Jaguar | Renault |
| Model | XJ | 18 |
| Year Released | 2004 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 4193 cc | 1995 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 400 HP | 104 HP |
| Engine RPM | 6100 RPM | 5500 RPM |
| Torque | 553 Nm | 160 Nm |
| Torque RPM | 3500 RPM | 3000 RPM |
| Engine Bore Size | 86 mm | 88 mm |
| Engine Stroke Size | 90.3 mm | 82 mm |
| Top Speed | 250 km/hour | 171 km/hour |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1689 kg | 1067 kg |
| Vehicle Length | 5220 mm | 4380 mm |
| Vehicle Width | 1870 mm | 1680 mm |
| Vehicle Height | 1450 mm | 1410 mm |
| Wheelbase Size | 3170 mm | 2470 mm |
| Fuel Tank Capacity | 85 L | 53 L |
