1968 Buick Riviera vs. 1976 Mazda Cosmo
To start off, 1976 Mazda Cosmo is newer by 8 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 1976 Mazda Cosmo. (93 HP @ 5500 RPM). In normal driving conditions, 1968 Buick Riviera should accelerate faster than 1976 Mazda Cosmo. With that said, vehicle weight also plays an important factor in acceleration. 1968 Buick Riviera weights approximately 810 kg more than 1976 Mazda Cosmo. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 1968 Buick Riviera (645 Nm @ 3200 RPM) has 495 more torque (in Nm) than 1976 Mazda Cosmo. (150 Nm @ 3300 RPM). This means 1968 Buick Riviera will have an easier job in driving up hills or pulling heavy equipment than 1976 Mazda Cosmo. 1968 Buick Riviera has automatic transmission and 1976 Mazda Cosmo has manual transmission. 1976 Mazda Cosmo will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1968 Buick Riviera will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1968 Buick Riviera | 1976 Mazda Cosmo | |
| Make | Buick | Mazda |
| Model | Riviera | Cosmo |
| Year Released | 1968 | 1976 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 7050 cc | 1769 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 305 HP | 93 HP |
| Engine RPM | 5000 RPM | 5500 RPM |
| Torque | 645 Nm | 150 Nm |
| Torque RPM | 3200 RPM | 3300 RPM |
| Engine Bore Size | 106.2 mm | 80.1 mm |
| Engine Stroke Size | 99.4 mm | 88 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1900 kg | 1090 kg |
| Vehicle Length | 5370 mm | 4480 mm |
| Vehicle Width | 2020 mm | 1690 mm |
| Vehicle Height | 1370 mm | 1340 mm |
| Wheelbase Size | 3030 mm | 2520 mm |
| Fuel Tank Capacity | 75 L | 65 L |
