1978 Cadillac Seville vs. 1973 Mercedes-Benz 450
To start off, 1978 Cadillac Seville is newer by 5 year(s). Which means there will be less support and parts availability for 1973 Mercedes-Benz 450. In addition, the cost of maintenance, including insurance, on 1973 Mercedes-Benz 450 would be higher. At 5,735 cc (8 cylinders), 1978 Cadillac Seville is equipped with a bigger engine. In terms of performance, 1973 Mercedes-Benz 450 (217 HP @ 5000 RPM) has 94 more horse power than 1978 Cadillac Seville. (123 HP @ 3600 RPM) In normal driving conditions, 1973 Mercedes-Benz 450 should accelerate faster than 1978 Cadillac Seville. With that said, vehicle weight also plays an important factor in acceleration. 1978 Cadillac Seville weights approximately 125 kg more than 1973 Mercedes-Benz 450.
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, 1973 Mercedes-Benz 450 (359 Nm @ 3250 RPM) has 55 more torque (in Nm) than 1978 Cadillac Seville. (304 Nm @ 1600 RPM). This means 1973 Mercedes-Benz 450 will have an easier job in driving up hills or pulling heavy equipment than 1978 Cadillac Seville.
Compare all specifications:
| 1978 Cadillac Seville | 1973 Mercedes-Benz 450 | |
| Make | Cadillac | Mercedes-Benz |
| Model | Seville | 450 |
| Year Released | 1978 | 1973 |
| Engine Position | Front | Front |
| Engine Size | 5735 cc | 4520 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 123 HP | 217 HP |
| Engine RPM | 3600 RPM | 5000 RPM |
| Torque | 304 Nm | 359 Nm |
| Torque RPM | 1600 RPM | 3250 RPM |
| Engine Bore Size | 103 mm | 92 mm |
| Engine Stroke Size | 86 mm | 85 mm |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1890 kg | 1765 kg |
| Vehicle Length | 5190 mm | 5070 mm |
| Vehicle Width | 1830 mm | 1880 mm |
| Vehicle Height | 1400 mm | 1440 mm |
| Wheelbase Size | 2910 mm | 2970 mm |
| Fuel Tank Capacity | 79 L | 95 L |
