1998 Buick Signia vs. 2007 Opel Astra
To start off, 2007 Opel Astra is newer by 9 year(s). Which means there will be less support and parts availability for 1998 Buick Signia. In addition, the cost of maintenance, including insurance, on 1998 Buick Signia would be higher. At 3,800 cc (6 cylinders), 1998 Buick Signia is equipped with a bigger engine. In terms of performance, 1998 Buick Signia (238 HP @ 5200 RPM) has 115 more horse power than 2007 Opel Astra. (123 HP @ 4000 RPM). In normal driving conditions, 1998 Buick Signia should accelerate faster than 2007 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 1998 Buick Signia weights approximately 345 kg more than 2007 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, 1998 Buick Signia (387 Nm @ 3600 RPM) has 107 more torque (in Nm) than 2007 Opel Astra. (280 Nm @ 2000 RPM). This means 1998 Buick Signia will have an easier job in driving up hills or pulling heavy equipment than 2007 Opel Astra.
Compare all specifications:
| 1998 Buick Signia | 2007 Opel Astra | |
| Make | Buick | Opel |
| Model | Signia | Astra |
| Year Released | 1998 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 3800 cc | 1796 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 238 HP | 123 HP |
| Engine RPM | 5200 RPM | 4000 RPM |
| Torque | 387 Nm | 280 Nm |
| Torque RPM | 3600 RPM | 2000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Vehicle Weight | 1740 kg | 1395 kg |
| Vehicle Length | 4710 mm | 4260 mm |
| Vehicle Width | 1890 mm | 1760 mm |
| Vehicle Height | 1550 mm | 1470 mm |
| Wheelbase Size | 2860 mm | 2620 mm |
