1956 Buick 40 vs. 1978 Cadillac Seville
To start off, 1978 Cadillac Seville is newer by 22 year(s). Which means there will be less support and parts availability for 1956 Buick 40. In addition, the cost of maintenance, including insurance, on 1956 Buick 40 would be higher. At 5,735 cc (8 cylinders), 1978 Cadillac Seville is equipped with a bigger engine. In terms of performance, 1956 Buick 40 (217 HP @ 4400 RPM) has 49 more horse power than 1978 Cadillac Seville. (168 HP @ 4200 RPM). In normal driving conditions, 1956 Buick 40 should accelerate faster than 1978 Cadillac Seville. With that said, vehicle weight also plays an important factor in acceleration. 1978 Cadillac Seville weights approximately 186 kg more than 1956 Buick 40.
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, 1956 Buick 40 (433 Nm @ 2400 RPM) has 68 more torque (in Nm) than 1978 Cadillac Seville. (365 Nm @ 2000 RPM). This means 1956 Buick 40 will have an easier job in driving up hills or pulling heavy equipment than 1978 Cadillac Seville.
Compare all specifications:
| 1956 Buick 40 | 1978 Cadillac Seville | |
| Make | Buick | Cadillac |
| Model | 40 | Seville |
| Year Released | 1956 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 5279 cc | 5735 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 217 HP | 168 HP |
| Engine RPM | 4400 RPM | 4200 RPM |
| Torque | 433 Nm | 365 Nm |
| Torque RPM | 2400 RPM | 2000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1704 kg | 1890 kg |
| Vehicle Width | 1950 mm | 1830 mm |
| Wheelbase Size | 3110 mm | 2910 mm |
