2005 Cadillac XLR vs. 1978 Cadillac Seville
To start off, 2005 Cadillac XLR 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 Cadillac XLR (322 HP @ 6400 RPM) has 199 more horse power than 1978 Cadillac Seville. (123 HP @ 3600 RPM). In normal driving conditions, 2005 Cadillac XLR should accelerate faster than 1978 Cadillac Seville. With that said, vehicle weight also plays an important factor in acceleration. 1978 Cadillac Seville weights approximately 236 kg more than 2005 Cadillac XLR.
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 Cadillac XLR (420 Nm @ 4000 RPM) has 116 more torque (in Nm) than 1978 Cadillac Seville. (304 Nm @ 1600 RPM). This means 2005 Cadillac XLR will have an easier job in driving up hills or pulling heavy equipment than 1978 Cadillac Seville.
Compare all specifications:
| 2005 Cadillac XLR | 1978 Cadillac Seville | |
| Make | Cadillac | Cadillac |
| Model | XLR | Seville |
| Year Released | 2005 | 1978 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4564 cc | 5735 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Horse Power | 322 HP | 123 HP |
| Engine RPM | 6400 RPM | 3600 RPM |
| Torque | 420 Nm | 304 Nm |
| Torque RPM | 4000 RPM | 1600 RPM |
| Engine Bore Size | 93 mm | 103 mm |
| Engine Stroke Size | 84 mm | 86 mm |
| Fuel Type | Gasoline - Premium | Diesel |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1654 kg | 1890 kg |
| Vehicle Length | 4520 mm | 5190 mm |
| Vehicle Width | 1840 mm | 1830 mm |
| Vehicle Height | 1290 mm | 1400 mm |
| Wheelbase Size | 2690 mm | 2910 mm |
| Fuel Tank Capacity | 68 L | 79 L |
