1991 Buick Reatta vs. 1999 Opel Astra
To start off, 1999 Opel Astra is newer by 8 year(s). Which means there will be less support and parts availability for 1991 Buick Reatta. In addition, the cost of maintenance, including insurance, on 1991 Buick Reatta would be higher. At 3,791 cc (6 cylinders), 1991 Buick Reatta is equipped with a bigger engine. In terms of performance, 1991 Buick Reatta (165 HP @ 4400 RPM) has 77 more horse power than 1999 Opel Astra. (88 HP @ 6000 RPM). In normal driving conditions, 1991 Buick Reatta should accelerate faster than 1999 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 1991 Buick Reatta weights approximately 342 kg more than 1999 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, 1991 Buick Reatta (286 Nm) has 161 more torque (in Nm) than 1999 Opel Astra. (125 Nm). This means 1991 Buick Reatta will have an easier job in driving up hills or pulling heavy equipment than 1999 Opel Astra. 1991 Buick Reatta has automatic transmission and 1999 Opel Astra has manual transmission. 1999 Opel Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1991 Buick Reatta will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Buick Reatta | 1999 Opel Astra | |
| Make | Buick | Opel |
| Model | Reatta | Astra |
| Year Released | 1991 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 1389 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 165 HP | 88 HP |
| Engine RPM | 4400 RPM | 6000 RPM |
| Torque | 286 Nm | 125 Nm |
| Engine Bore Size | 96.5 mm | 77.6 mm |
| Engine Stroke Size | 86.4 mm | 73.4 mm |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 1532 kg | 1190 kg |
| Vehicle Length | 4670 mm | 4300 mm |
| Vehicle Width | 1860 mm | 1720 mm |
| Vehicle Height | 1310 mm | 1470 mm |
| Wheelbase Size | 2510 mm | 2620 mm |
