1968 Buick Riviera vs. 1968 Cadillac Calais
To start off, both 1968 Buick Riviera and 1968 Cadillac Calais were released in the same year (1968). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 7,734 cc (8 cylinders), 1968 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 1968 Cadillac Calais. (228 HP @ 4400 RPM). In normal driving conditions, 1968 Buick Riviera should accelerate faster than 1968 Cadillac Calais. With that said, vehicle weight also plays an important factor in acceleration. 1968 Cadillac Calais weights approximately 205 kg more than 1968 Buick Riviera.
Let's talk about torque, 1968 Cadillac Calais (711 Nm) has 66 more torque (in Nm) than 1968 Buick Riviera. (645 Nm). This means 1968 Cadillac Calais will have an easier job in driving up hills or pulling heavy equipment than 1968 Buick Riviera.
Compare all specifications:
| 1968 Buick Riviera | 1968 Cadillac Calais | |
| Make | Buick | Cadillac |
| Model | Riviera | Calais |
| Year Released | 1968 | 1968 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 7050 cc | 7734 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 305 HP | 228 HP |
| Engine RPM | 5000 RPM | 4400 RPM |
| Torque | 645 Nm | 711 Nm |
| Engine Bore Size | 106.2 mm | 109.2 mm |
| Engine Stroke Size | 99.4 mm | 103.1 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1900 kg | 2105 kg |
| Vehicle Length | 5370 mm | 5720 mm |
| Vehicle Width | 2020 mm | 2040 mm |
| Vehicle Height | 1370 mm | 1360 mm |
| Wheelbase Size | 3030 mm | 3300 mm |
| Fuel Tank Capacity | 75 L | 82 L |
