1967 Buick Riviera vs. 1975 Mazda RX 4 Coupe
To start off, 1975 Mazda RX 4 Coupe is newer by 8 year(s). Which means there will be less support and parts availability for 1967 Buick Riviera. In addition, the cost of maintenance, including insurance, on 1967 Buick Riviera would be higher. At 7,048 cc (8 cylinders), 1967 Buick Riviera is equipped with a bigger engine. In terms of performance, 1967 Buick Riviera (305 HP @ 5000 RPM) has 191 more horse power than 1975 Mazda RX 4 Coupe. (114 HP @ 6000 RPM). In normal driving conditions, 1967 Buick Riviera should accelerate faster than 1975 Mazda RX 4 Coupe. With that said, vehicle weight also plays an important factor in acceleration. 1967 Buick Riviera weights approximately 790 kg more than 1975 Mazda RX 4 Coupe. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Compare all specifications:
| 1967 Buick Riviera | 1975 Mazda RX 4 Coupe | |
| Make | Buick | Mazda |
| Model | Riviera | RX 4 Coupe |
| Year Released | 1967 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 7048 cc | 2616 cc |
| Engine Cylinders | 8 cylinders | 2 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 305 HP | 114 HP |
| Engine RPM | 5000 RPM | 6000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1900 kg | 1110 kg |
| Vehicle Length | 5370 mm | 4400 mm |
| Vehicle Width | 2020 mm | 1670 mm |
| Vehicle Height | 1370 mm | 1390 mm |
| Wheelbase Size | 3030 mm | 2520 mm |
