1968 Buick Riviera vs. 1970 Mazda Cosmo
To start off, 1970 Mazda Cosmo is newer by 2 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 7,050 cc (8 cylinders), 1968 Buick Riviera is equipped with a bigger engine. In terms of performance, 1968 Buick Riviera (305 HP @ 5000 RPM) has 212 more horse power than 1970 Mazda Cosmo. (93 HP @ 7000 RPM). In normal driving conditions, 1968 Buick Riviera should accelerate faster than 1970 Mazda Cosmo. With that said, vehicle weight also plays an important factor in acceleration. 1968 Buick Riviera weights approximately 960 kg more than 1970 Mazda Cosmo. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1968 Buick Riviera (645 Nm @ 3200 RPM) has 511 more torque (in Nm) than 1970 Mazda Cosmo. (134 Nm @ 3500 RPM). This means 1968 Buick Riviera will have an easier job in driving up hills or pulling heavy equipment than 1970 Mazda Cosmo.
Compare all specifications:
| 1968 Buick Riviera | 1970 Mazda Cosmo | |
| Make | Buick | Mazda |
| Model | Riviera | Cosmo |
| Year Released | 1968 | 1970 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 7050 cc | 1964 cc |
| Horse Power | 305 HP | 93 HP |
| Engine RPM | 5000 RPM | 7000 RPM |
| Torque | 645 Nm | 134 Nm |
| Torque RPM | 3200 RPM | 3500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1900 kg | 940 kg |
| Vehicle Length | 5370 mm | 4150 mm |
| Vehicle Width | 2020 mm | 1600 mm |
| Vehicle Height | 1370 mm | 1170 mm |
| Wheelbase Size | 3030 mm | 2210 mm |
