1987 Ford Sierra vs. 2006 Jaguar XK
To start off, 2006 Jaguar XK is newer by 19 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), 2006 Jaguar XK is equipped with a bigger engine. In terms of performance, 2006 Jaguar XK (294 HP @ 6000 RPM) has 190 more horse power than 1987 Ford Sierra. (104 HP @ 5200 RPM) In normal driving conditions, 2006 Jaguar XK should accelerate faster than 1987 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2006 Jaguar XK weights approximately 665 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, 2006 Jaguar XK (411 Nm @ 4100 RPM) has 251 more torque (in Nm) than 1987 Ford Sierra. (160 Nm @ 4000 RPM). This means 2006 Jaguar XK will have an easier job in driving up hills or pulling heavy equipment than 1987 Ford Sierra. 2006 Jaguar XK 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. 2006 Jaguar XK will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1987 Ford Sierra | 2006 Jaguar XK | |
| Make | Ford | Jaguar |
| Model | Sierra | XK |
| Year Released | 1987 | 2006 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1991 cc | 4196 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 104 HP | 294 HP |
| Engine RPM | 5200 RPM | 6000 RPM |
| Torque | 160 Nm | 411 Nm |
| Torque RPM | 4000 RPM | 4100 RPM |
| Engine Bore Size | 90.8 mm | 86 mm |
| Engine Stroke Size | 77 mm | 90.3 mm |
| Engine Compression Ratio | 9.2:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 1055 kg | 1720 kg |
| Vehicle Length | 4500 mm | 4800 mm |
| Vehicle Width | 1680 mm | 2080 mm |
| Vehicle Height | 1400 mm | 1330 mm |
| Wheelbase Size | 2620 mm | 2760 mm |
