2006 Alfa Romeo 156 vs. 1991 Opel Astra
To start off, 2006 Alfa Romeo 156 is newer by 15 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 1,970 cc (4 cylinders), 2006 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 2006 Alfa Romeo 156 (149 HP @ 6300 RPM) has 49 more horse power than 1991 Opel Astra. (100 HP @ 5600 RPM). In normal driving conditions, 2006 Alfa Romeo 156 should accelerate faster than 1991 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2006 Alfa Romeo 156 weights approximately 415 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.
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, 2006 Alfa Romeo 156 (181 Nm @ 3800 RPM) has 46 more torque (in Nm) than 1991 Opel Astra. (135 Nm @ 3400 RPM). This means 2006 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Astra.
Compare all specifications:
| 2006 Alfa Romeo 156 | 1991 Opel Astra | |
| Make | Alfa Romeo | Opel |
| Model | 156 | Astra |
| Year Released | 2006 | 1991 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 1597 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 149 HP | 100 HP |
| Engine RPM | 6300 RPM | 5600 RPM |
| Torque | 181 Nm | 135 Nm |
| Torque RPM | 3800 RPM | 3400 RPM |
| Engine Bore Size | 83 mm | 79 mm |
| Engine Stroke Size | 91 mm | 81.5 mm |
| Engine Compression Ratio | 10.0:1 | 9.8:1 |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1510 kg | 1095 kg |
| Vehicle Length | 4440 mm | 4280 mm |
| Vehicle Width | 1750 mm | 1690 mm |
| Vehicle Height | 1440 mm | 1430 mm |
| Wheelbase Size | 2600 mm | 2640 mm |
| Fuel Tank Capacity | 63 L | 52 L |
