1978 Cadillac Seville vs. 2006 Mercedes-Benz SL
To start off, 2006 Mercedes-Benz SL is newer by 28 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, 2006 Mercedes-Benz SL (510 HP @ 5000 RPM) has 342 more horse power than 1978 Cadillac Seville. (168 HP @ 4200 RPM) In normal driving conditions, 2006 Mercedes-Benz SL should accelerate faster than 1978 Cadillac Seville. With that said, vehicle weight also plays an important factor in acceleration. 2006 Mercedes-Benz SL weights approximately 155 kg more than 1978 Cadillac Seville. 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 Mercedes-Benz SL (830 Nm @ 1900 RPM) has 465 more torque (in Nm) than 1978 Cadillac Seville. (365 Nm @ 2000 RPM). This means 2006 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 1978 Cadillac Seville.
Compare all specifications:
| 1978 Cadillac Seville | 2006 Mercedes-Benz SL | |
| Make | Cadillac | Mercedes-Benz |
| Model | Seville | SL |
| Year Released | 1978 | 2006 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 5735 cc | 5513 cc |
| Engine Cylinders | 8 cylinders | 12 cylinders |
| Engine Type | in-line | V |
| Horse Power | 168 HP | 510 HP |
| Engine RPM | 4200 RPM | 5000 RPM |
| Torque | 365 Nm | 830 Nm |
| Torque RPM | 2000 RPM | 1900 RPM |
| Engine Bore Size | 103 mm | 82.1 mm |
| Engine Stroke Size | 86 mm | 87 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1890 kg | 2045 kg |
| Vehicle Length | 5190 mm | 4540 mm |
| Vehicle Width | 1830 mm | 1830 mm |
| Vehicle Height | 1400 mm | 1300 mm |
| Wheelbase Size | 2910 mm | 2570 mm |
