1978 Cadillac Seville vs. 2005 Jaguar XK8
To start off, 2005 Jaguar XK8 is newer by 27 year(s). Which means there will be less support and parts availability for 1978 Cadillac Seville. In addition, the cost of maintenance, including insurance, on 1978 Cadillac Seville would be higher. At 5,735 cc (8 cylinders), 1978 Cadillac Seville is equipped with a bigger engine. In terms of performance, 2005 Jaguar XK8 (294 HP @ 4000 RPM) has 171 more horse power than 1978 Cadillac Seville. (123 HP @ 3600 RPM) In normal driving conditions, 2005 Jaguar XK8 should accelerate faster than 1978 Cadillac Seville. With that said, vehicle weight also plays an important factor in acceleration. 1978 Cadillac Seville weights approximately 115 kg more than 2005 Jaguar XK8.
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, 2005 Jaguar XK8 (411 Nm @ 4000 RPM) has 107 more torque (in Nm) than 1978 Cadillac Seville. (304 Nm @ 1600 RPM). This means 2005 Jaguar XK8 will have an easier job in driving up hills or pulling heavy equipment than 1978 Cadillac Seville.
Compare all specifications:
| 1978 Cadillac Seville | 2005 Jaguar XK8 | |
| Make | Cadillac | Jaguar |
| Model | Seville | XK8 |
| Year Released | 1978 | 2005 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 5735 cc | 4194 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 123 HP | 294 HP |
| Engine RPM | 3600 RPM | 4000 RPM |
| Torque | 304 Nm | 411 Nm |
| Torque RPM | 1600 RPM | 4000 RPM |
| Engine Bore Size | 103 mm | 86 mm |
| Engine Stroke Size | 86 mm | 90.3 mm |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1890 kg | 1775 kg |
| Vehicle Length | 5190 mm | 4770 mm |
| Vehicle Width | 1830 mm | 1840 mm |
| Vehicle Height | 1400 mm | 1310 mm |
| Wheelbase Size | 2910 mm | 2590 mm |
| Fuel Tank Capacity | 79 L | 75 L |
