1968 Buick Riviera vs. 1970 Opel Commodore
To start off, 1970 Opel Commodore 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 191 more horse power than 1970 Opel Commodore. (114 HP @ 5200 RPM). In normal driving conditions, 1968 Buick Riviera should accelerate faster than 1970 Opel Commodore. With that said, vehicle weight also plays an important factor in acceleration. 1968 Buick Riviera weights approximately 730 kg more than 1970 Opel Commodore. 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 468 more torque (in Nm) than 1970 Opel Commodore. (177 Nm @ 3800 RPM). This means 1968 Buick Riviera will have an easier job in driving up hills or pulling heavy equipment than 1970 Opel Commodore. 1968 Buick Riviera has automatic transmission and 1970 Opel Commodore has manual transmission. 1970 Opel Commodore 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 | 1970 Opel Commodore | |
| Make | Buick | Opel |
| Model | Riviera | Commodore |
| Year Released | 1968 | 1970 |
| Engine Position | Front | Front |
| Engine Size | 7050 cc | 2490 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 305 HP | 114 HP |
| Engine RPM | 5000 RPM | 5200 RPM |
| Torque | 645 Nm | 177 Nm |
| Torque RPM | 3200 RPM | 3800 RPM |
| Engine Bore Size | 106.2 mm | 87.1 mm |
| Engine Stroke Size | 99.4 mm | 69.8 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1900 kg | 1170 kg |
| Vehicle Length | 5370 mm | 4620 mm |
| Vehicle Width | 2020 mm | 1740 mm |
| Vehicle Height | 1370 mm | 1430 mm |
| Wheelbase Size | 3030 mm | 2680 mm |
| Fuel Tank Capacity | 75 L | 70 L |
