2006 Alfa Romeo 156 vs. 2001 Opel Astra
To start off, 2006 Alfa Romeo 156 is newer by 5 year(s). Which means there will be less support and parts availability for 2001 Opel Astra. In addition, the cost of maintenance, including insurance, on 2001 Opel Astra would be higher. At 2,387 cc (5 cylinders), 2006 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 2006 Alfa Romeo 156 (173 HP @ 4000 RPM) has 84 more horse power than 2001 Opel Astra. (89 HP @ 6000 RPM). In normal driving conditions, 2006 Alfa Romeo 156 should accelerate faster than 2001 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2006 Alfa Romeo 156 weights approximately 400 kg more than 2001 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 (385 Nm @ 2000 RPM) has 258 more torque (in Nm) than 2001 Opel Astra. (127 Nm @ 4000 RPM). This means 2006 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 2001 Opel Astra.
Compare all specifications:
| 2006 Alfa Romeo 156 | 2001 Opel Astra | |
| Make | Alfa Romeo | Opel |
| Model | 156 | Astra |
| Year Released | 2006 | 2001 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2387 cc | 1389 cc |
| Engine Cylinders | 5 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 173 HP | 89 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 385 Nm | 127 Nm |
| Torque RPM | 2000 RPM | 4000 RPM |
| Engine Bore Size | 82 mm | 77.6 mm |
| Engine Stroke Size | 90.4 mm | 73.4 mm |
| Engine Compression Ratio | 18.5:1 | 10.5:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1510 kg | 1110 kg |
| Vehicle Length | 4440 mm | 4260 mm |
| Vehicle Width | 1750 mm | 1720 mm |
| Vehicle Height | 1440 mm | 1430 mm |
| Wheelbase Size | 2550 mm | 2610 mm |
| Fuel Tank Capacity | 63 L | 52 L |
