1991 Buick Roadmaster vs. 1986 Vauxhall Astra
To start off, 1991 Buick Roadmaster is newer by 5 year(s). Which means there will be less support and parts availability for 1986 Vauxhall Astra. In addition, the cost of maintenance, including insurance, on 1986 Vauxhall Astra would be higher. At 5,002 cc (8 cylinders), 1991 Buick Roadmaster is equipped with a bigger engine. In terms of performance, 1991 Buick Roadmaster (168 HP @ 4200 RPM) has 115 more horse power than 1986 Vauxhall Astra. (53 HP @ 5600 RPM). In normal driving conditions, 1991 Buick Roadmaster should accelerate faster than 1986 Vauxhall Astra. With that said, vehicle weight also plays an important factor in acceleration. 1991 Buick Roadmaster weights approximately 1170 kg more than 1986 Vauxhall Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1991 Buick Roadmaster 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 1991 Buick Roadmaster. However, in wet, icy, snow, or gravel driving conditions, 1986 Vauxhall 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, 1991 Buick Roadmaster (346 Nm @ 2400 RPM) has 262 more torque (in Nm) than 1986 Vauxhall Astra. (84 Nm @ 3600 RPM). This means 1991 Buick Roadmaster will have an easier job in driving up hills or pulling heavy equipment than 1986 Vauxhall Astra. 1991 Buick Roadmaster has automatic transmission and 1986 Vauxhall Astra has manual transmission. 1986 Vauxhall Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1991 Buick Roadmaster will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Buick Roadmaster | 1986 Vauxhall Astra | |
| Make | Buick | Vauxhall |
| Model | Roadmaster | Astra |
| Year Released | 1991 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 5002 cc | 1196 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 168 HP | 53 HP |
| Engine RPM | 4200 RPM | 5600 RPM |
| Torque | 346 Nm | 84 Nm |
| Torque RPM | 2400 RPM | 3600 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 2000 kg | 830 kg |
| Vehicle Length | 5540 mm | 4000 mm |
| Vehicle Width | 2040 mm | 1670 mm |
| Vehicle Height | 1540 mm | 1410 mm |
| Wheelbase Size | 2950 mm | 2530 mm |
