1976 Buick Riviera vs. 1981 Opel Ascona
To start off, 1981 Opel Ascona is newer by 5 year(s). Which means there will be less support and parts availability for 1976 Buick Riviera. In addition, the cost of maintenance, including insurance, on 1976 Buick Riviera would be higher. At 6,595 cc (6 cylinders), 1976 Buick Riviera is equipped with a bigger engine. In terms of performance, 1976 Buick Riviera (182 HP @ 3600 RPM) has 101 more horse power than 1981 Opel Ascona. (81 HP @ 5400 RPM). In normal driving conditions, 1976 Buick Riviera should accelerate faster than 1981 Opel Ascona. With that said, vehicle weight also plays an important factor in acceleration. 1976 Buick Riviera weights approximately 751 kg more than 1981 Opel Ascona. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1976 Buick Riviera (435 Nm @ 2000 RPM) has 301 more torque (in Nm) than 1981 Opel Ascona. (134 Nm @ 2600 RPM). This means 1976 Buick Riviera will have an easier job in driving up hills or pulling heavy equipment than 1981 Opel Ascona.
Compare all specifications:
| 1976 Buick Riviera | 1981 Opel Ascona | |
| Make | Buick | Opel |
| Model | Riviera | Ascona |
| Year Released | 1976 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 6595 cc | 1598 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 182 HP | 81 HP |
| Engine RPM | 3600 RPM | 5400 RPM |
| Torque | 435 Nm | 134 Nm |
| Torque RPM | 2000 RPM | 2600 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1765 kg | 1014 kg |
| Vehicle Length | 5550 mm | 4380 mm |
| Vehicle Width | 1970 mm | 1680 mm |
| Vehicle Height | 1410 mm | 1400 mm |
| Wheelbase Size | 2950 mm | 2580 mm |
