1970 Buick Riviera vs. 1979 Mazda 929
To start off, 1979 Mazda 929 is newer by 9 year(s). Which means there will be less support and parts availability for 1970 Buick Riviera. In addition, the cost of maintenance, including insurance, on 1970 Buick Riviera would be higher. At 7,468 cc (6 cylinders), 1970 Buick Riviera is equipped with a bigger engine. In terms of performance, 1970 Buick Riviera (265 HP @ 4600 RPM) has 182 more horse power than 1979 Mazda 929. (83 HP @ 5000 RPM). In normal driving conditions, 1970 Buick Riviera should accelerate faster than 1979 Mazda 929. With that said, vehicle weight also plays an important factor in acceleration. 1970 Buick Riviera weights approximately 916 kg more than 1979 Mazda 929. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1970 Buick Riviera (522 Nm @ 2800 RPM) has 388 more torque (in Nm) than 1979 Mazda 929. (134 Nm @ 3000 RPM). This means 1970 Buick Riviera will have an easier job in driving up hills or pulling heavy equipment than 1979 Mazda 929.
Compare all specifications:
| 1970 Buick Riviera | 1979 Mazda 929 | |
| Make | Buick | Mazda |
| Model | Riviera | 929 |
| Year Released | 1970 | 1979 |
| Engine Position | Front | Front |
| Engine Size | 7468 cc | 1767 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 265 HP | 83 HP |
| Engine RPM | 4600 RPM | 5000 RPM |
| Torque | 522 Nm | 134 Nm |
| Torque RPM | 2800 RPM | 3000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1986 kg | 1070 kg |
| Vehicle Length | 5480 mm | 4410 mm |
| Vehicle Width | 2020 mm | 1670 mm |
| Vehicle Height | 1370 mm | 1420 mm |
| Wheelbase Size | 3030 mm | 2520 mm |
