1992 Buick Roadmaster vs. 1991 Opel Astra
To start off, 1992 Buick Roadmaster is newer by 1 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 5,733 cc (8 cylinders), 1992 Buick Roadmaster is equipped with a bigger engine. In terms of performance, 1992 Buick Roadmaster (177 HP @ 4200 RPM) has 118 more horse power than 1991 Opel Astra. (59 HP @ 5200 RPM). In normal driving conditions, 1992 Buick Roadmaster should accelerate faster than 1991 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 1992 Buick Roadmaster weights approximately 880 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 1992 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 1992 Buick Roadmaster. 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, 1992 Buick Roadmaster (394 Nm @ 2400 RPM) has 290 more torque (in Nm) than 1991 Opel Astra. (104 Nm @ 2800 RPM). This means 1992 Buick Roadmaster will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Astra. 1992 Buick Roadmaster has automatic transmission and 1991 Opel Astra has manual transmission. 1991 Opel Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1992 Buick Roadmaster will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1992 Buick Roadmaster | 1991 Opel Astra | |
| Make | Buick | Opel |
| Model | Roadmaster | Astra |
| Year Released | 1992 | 1991 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5733 cc | 1389 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 177 HP | 59 HP |
| Engine RPM | 4200 RPM | 5200 RPM |
| Torque | 394 Nm | 104 Nm |
| Torque RPM | 2400 RPM | 2800 RPM |
| Engine Bore Size | 101.6 mm | 77.6 mm |
| Engine Stroke Size | 88.4 mm | 73.4 mm |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1840 kg | 960 kg |
| Vehicle Length | 5490 mm | 4250 mm |
| Vehicle Width | 1990 mm | 1690 mm |
| Vehicle Height | 1430 mm | 1430 mm |
| Wheelbase Size | 2950 mm | 2610 mm |
