1976 Buick Riviera vs. 1978 Cadillac Seville
To start off, 1978 Cadillac Seville is newer by 2 year(s). Which means there will be less support and parts availability for 1976 Buick Riviera. In addition, the cost of maintenance, including insurance, on 1976 Buick Riviera would be higher. At 5,735 cc (8 cylinders), 1978 Cadillac Seville is equipped with a bigger engine. In terms of performance, 1976 Buick Riviera (154 HP @ 3400 RPM) has 31 more horse power than 1978 Cadillac Seville. (123 HP @ 3600 RPM). In normal driving conditions, 1976 Buick Riviera 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 1976 Buick Riviera.
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, 1976 Buick Riviera (380 Nm @ 1800 RPM) has 76 more torque (in Nm) than 1978 Cadillac Seville. (304 Nm @ 1600 RPM). This means 1976 Buick Riviera will have an easier job in driving up hills or pulling heavy equipment than 1978 Cadillac Seville.
Compare all specifications:
| 1976 Buick Riviera | 1978 Cadillac Seville | |
| Make | Buick | Cadillac |
| Model | Riviera | Seville |
| Year Released | 1976 | 1978 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5724 cc | 5735 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Horse Power | 154 HP | 123 HP |
| Engine RPM | 3400 RPM | 3600 RPM |
| Torque | 380 Nm | 304 Nm |
| Torque RPM | 1800 RPM | 1600 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1765 kg | 1890 kg |
| Vehicle Length | 5550 mm | 5190 mm |
| Vehicle Width | 1970 mm | 1830 mm |
| Vehicle Height | 1410 mm | 1400 mm |
| Wheelbase Size | 2950 mm | 2910 mm |
