2005 Buick Rainier vs. 1991 Opel Astra
To start off, 2005 Buick Rainier is newer by 14 year(s). Which means there will be less support and parts availability for 1991 Opel Astra. In addition, the cost of maintenance, including insurance, on 1991 Opel Astra would be higher. At 4,163 cc (6 cylinders), 2005 Buick Rainier is equipped with a bigger engine. In terms of performance, 2005 Buick Rainier (276 HP @ 5200 RPM) has 220 more horse power than 1991 Opel Astra. (56 HP @ 4600 RPM). In normal driving conditions, 2005 Buick Rainier should accelerate faster than 1991 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Buick Rainier weights approximately 954 kg more than 1991 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Buick Rainier is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2005 Buick Rainier. However, in wet, icy, snow, or gravel driving conditions, 1991 Opel Astra, being front wheel drive (FWD), will offer much better control with better grip. 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, 2005 Buick Rainier (387 Nm) has 282 more torque (in Nm) than 1991 Opel Astra. (105 Nm). This means 2005 Buick Rainier will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Astra.
Compare all specifications:
| 2005 Buick Rainier | 1991 Opel Astra | |
| Make | Buick | Opel |
| Model | Rainier | Astra |
| Year Released | 2005 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 1700 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 276 HP | 56 HP |
| Engine RPM | 5200 RPM | 4600 RPM |
| Torque | 387 Nm | 105 Nm |
| Engine Bore Size | 93 mm | 82.5 mm |
| Engine Stroke Size | 102 mm | 79.5 mm |
| Engine Compression Ratio | 10.0:1 | 23.0:1 |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 2004 kg | 1050 kg |
| Vehicle Length | 4920 mm | 4060 mm |
| Vehicle Width | 1920 mm | 1670 mm |
| Vehicle Height | 1900 mm | 1430 mm |
| Wheelbase Size | 2900 mm | 2530 mm |
| Fuel Tank Capacity | 83 L | 40 L |
