1986 Ford Sierra vs. 2004 Jaguar XJ
To start off, 2004 Jaguar XJ is newer by 18 year(s). Which means there will be less support and parts availability for 1986 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1986 Ford Sierra would be higher. At 4,194 cc (8 cylinders), 2004 Jaguar XJ is equipped with a bigger engine. In terms of performance, 2004 Jaguar XJ (300 HP @ 6100 RPM) has 211 more horse power than 1986 Ford Sierra. (89 HP @ 5400 RPM) In normal driving conditions, 2004 Jaguar XJ should accelerate faster than 1986 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2004 Jaguar XJ weights approximately 625 kg more than 1986 Ford Sierra. 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, 2004 Jaguar XJ (420 Nm @ 4100 RPM) has 277 more torque (in Nm) than 1986 Ford Sierra. (143 Nm @ 3500 RPM). This means 2004 Jaguar XJ will have an easier job in driving up hills or pulling heavy equipment than 1986 Ford Sierra. 2004 Jaguar XJ has automatic transmission and 1986 Ford Sierra has manual transmission. 1986 Ford Sierra 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:
| 1986 Ford Sierra | 2004 Jaguar XJ | |
| Make | Ford | Jaguar |
| Model | Sierra | XJ |
| Year Released | 1986 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 1769 cc | 4194 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 89 HP | 300 HP |
| Engine RPM | 5400 RPM | 6100 RPM |
| Torque | 143 Nm | 420 Nm |
| Torque RPM | 3500 RPM | 4100 RPM |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1014 kg | 1639 kg |
| Vehicle Length | 4400 mm | 5220 mm |
| Vehicle Width | 1680 mm | 1870 mm |
| Vehicle Height | 1370 mm | 1450 mm |
| Wheelbase Size | 2620 mm | 3040 mm |
