1987 Ford Sierra vs. 2007 Jaguar XJ8
To start off, 2007 Jaguar XJ8 is newer by 20 year(s). Which means there will be less support and parts availability for 1987 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1987 Ford Sierra would be higher. At 4,196 cc (8 cylinders), 2007 Jaguar XJ8 is equipped with a bigger engine. In terms of performance, 2007 Jaguar XJ8 (302 HP @ 6000 RPM) has 198 more horse power than 1987 Ford Sierra. (104 HP @ 5200 RPM) In normal driving conditions, 2007 Jaguar XJ8 should accelerate faster than 1987 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2007 Jaguar XJ8 weights approximately 470 kg more than 1987 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, 2007 Jaguar XJ8 (420 Nm @ 4100 RPM) has 260 more torque (in Nm) than 1987 Ford Sierra. (160 Nm @ 4000 RPM). This means 2007 Jaguar XJ8 will have an easier job in driving up hills or pulling heavy equipment than 1987 Ford Sierra. 2007 Jaguar XJ8 has automatic transmission and 1987 Ford Sierra has manual transmission. 1987 Ford Sierra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Jaguar XJ8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1987 Ford Sierra | 2007 Jaguar XJ8 | |
| Make | Ford | Jaguar |
| Model | Sierra | XJ8 |
| Year Released | 1987 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 1993 cc | 4196 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 104 HP | 302 HP |
| Engine RPM | 5200 RPM | 6000 RPM |
| Torque | 160 Nm | 420 Nm |
| Torque RPM | 4000 RPM | 4100 RPM |
| Engine Bore Size | 90.9 mm | 86 mm |
| Engine Stroke Size | 77 mm | 90.3 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1145 kg | 1615 kg |
| Vehicle Length | 4430 mm | 5100 mm |
| Vehicle Width | 1700 mm | 2110 mm |
| Vehicle Height | 1370 mm | 1450 mm |
| Wheelbase Size | 2620 mm | 3040 mm |
