1987 Buick Riviera vs. 2005 Opel Astra
To start off, 2005 Opel Astra is newer by 18 year(s). Which means there will be less support and parts availability for 1987 Buick Riviera. In addition, the cost of maintenance, including insurance, on 1987 Buick Riviera would be higher. At 3,791 cc (6 cylinders), 1987 Buick Riviera is equipped with a bigger engine. In terms of performance, 1987 Buick Riviera (150 HP @ 4400 RPM) has 53 more horse power than 2005 Opel Astra. (97 HP @ 6000 RPM). In normal driving conditions, 1987 Buick Riviera should accelerate faster than 2005 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 1987 Buick Riviera weights approximately 391 kg more than 2005 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear 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, 1987 Buick Riviera (271 Nm @ 2000 RPM) has 129 more torque (in Nm) than 2005 Opel Astra. (142 Nm @ 3600 RPM). This means 1987 Buick Riviera will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra. 1987 Buick Riviera has automatic transmission and 2005 Opel Astra has manual transmission. 2005 Opel Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1987 Buick Riviera will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1987 Buick Riviera | 2005 Opel Astra | |
| Make | Buick | Opel |
| Model | Riviera | Astra |
| Year Released | 1987 | 2005 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 1598 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 150 HP | 97 HP |
| Engine RPM | 4400 RPM | 6000 RPM |
| Torque | 271 Nm | 142 Nm |
| Torque RPM | 2000 RPM | 3600 RPM |
| Engine Compression Ratio | 8.0:1 | 9.8:1 |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1501 kg | 1110 kg |
| Wheelbase Size | 2750 mm | 2700 mm |
