1978 Buick Regal vs. 2003 Jaguar XK
To start off, 2003 Jaguar XK is newer by 25 year(s). Which means there will be less support and parts availability for 1978 Buick Regal. In addition, the cost of maintenance, including insurance, on 1978 Buick Regal would be higher. At 3,994 cc (8 cylinders), 2003 Jaguar XK is equipped with a bigger engine. In terms of performance, 2003 Jaguar XK (290 HP @ 6100 RPM) has 200 more horse power than 1978 Buick Regal. (90 HP @ 3600 RPM) In normal driving conditions, 2003 Jaguar XK should accelerate faster than 1978 Buick Regal. With that said, vehicle weight also plays an important factor in acceleration. 2003 Jaguar XK weights approximately 140 kg more than 1978 Buick Regal. 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, 2003 Jaguar XK (393 Nm @ 4250 RPM) has 169 more torque (in Nm) than 1978 Buick Regal. (224 Nm @ 2000 RPM). This means 2003 Jaguar XK will have an easier job in driving up hills or pulling heavy equipment than 1978 Buick Regal.
Compare all specifications:
| 1978 Buick Regal | 2003 Jaguar XK | |
| Make | Buick | Jaguar |
| Model | Regal | XK |
| Year Released | 1978 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 3214 cc | 3994 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 90 HP | 290 HP |
| Engine RPM | 3600 RPM | 6100 RPM |
| Torque | 224 Nm | 393 Nm |
| Torque RPM | 2000 RPM | 4250 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 1430 kg | 1570 kg |
| Vehicle Length | 5090 mm | 4770 mm |
| Vehicle Width | 1840 mm | 1840 mm |
| Vehicle Height | 1370 mm | 1300 mm |
| Wheelbase Size | 2750 mm | 3040 mm |
