1968 Buick Riviera vs. 1971 Cadillac Calais
To start off, 1971 Cadillac Calais is newer by 3 year(s). Which means there will be less support and parts availability for 1968 Buick Riviera. In addition, the cost of maintenance, including insurance, on 1968 Buick Riviera would be higher. At 7,733 cc (8 cylinders), 1971 Cadillac Calais is equipped with a bigger engine. In terms of performance, 1968 Buick Riviera (305 HP @ 5000 RPM) has 77 more horse power than 1971 Cadillac Calais. (228 HP @ 4400 RPM). In normal driving conditions, 1968 Buick Riviera should accelerate faster than 1971 Cadillac Calais. With that said, vehicle weight also plays an important factor in acceleration. 1971 Cadillac Calais weights approximately 200 kg more than 1968 Buick Riviera.
Compare all specifications:
| 1968 Buick Riviera | 1971 Cadillac Calais | |
| Make | Buick | Cadillac |
| Model | Riviera | Calais |
| Year Released | 1968 | 1971 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 7050 cc | 7733 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 305 HP | 228 HP |
| Engine RPM | 5000 RPM | 4400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1900 kg | 2100 kg |
| Vehicle Length | 5370 mm | 5750 mm |
| Wheelbase Size | 3030 mm | 3310 mm |
