1993 Buick Roadmaster vs. 1978 Cadillac Seville
To start off, 1993 Buick Roadmaster is newer by 15 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, 1993 Buick Roadmaster (256 HP @ 5000 RPM) has 88 more horse power than 1978 Cadillac Seville. (168 HP @ 4200 RPM). In normal driving conditions, 1993 Buick Roadmaster should accelerate faster than 1978 Cadillac Seville. With that said, vehicle weight also plays an important factor in acceleration. 1978 Cadillac Seville weights approximately 36 kg more than 1993 Buick Roadmaster.
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, 1993 Buick Roadmaster (447 Nm @ 3200 RPM) has 82 more torque (in Nm) than 1978 Cadillac Seville. (365 Nm @ 2000 RPM). This means 1993 Buick Roadmaster will have an easier job in driving up hills or pulling heavy equipment than 1978 Cadillac Seville.
Compare all specifications:
| 1993 Buick Roadmaster | 1978 Cadillac Seville | |
| Make | Buick | Cadillac |
| Model | Roadmaster | Seville |
| Year Released | 1993 | 1978 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5733 cc | 5735 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Horse Power | 256 HP | 168 HP |
| Engine RPM | 5000 RPM | 4200 RPM |
| Torque | 447 Nm | 365 Nm |
| Torque RPM | 3200 RPM | 2000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1854 kg | 1890 kg |
| Vehicle Length | 5490 mm | 5190 mm |
| Vehicle Width | 1990 mm | 1830 mm |
| Vehicle Height | 1450 mm | 1400 mm |
| Wheelbase Size | 2950 mm | 2910 mm |
