2007 Alfa Romeo 156 vs. 2003 Opel Astra
To start off, 2007 Alfa Romeo 156 is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Opel Astra. In addition, the cost of maintenance, including insurance, on 2003 Opel Astra would be higher. At 1,970 cc (4 cylinders), 2007 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 2007 Alfa Romeo 156 (148 HP @ 6300 RPM) has 49 more horse power than 2003 Opel Astra. (99 HP @ 5600 RPM). In normal driving conditions, 2007 Alfa Romeo 156 should accelerate faster than 2003 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Astra weights approximately 15 kg more than 2007 Alfa Romeo 156.
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, 2007 Alfa Romeo 156 (182 Nm @ 3800 RPM) has 33 more torque (in Nm) than 2003 Opel Astra. (149 Nm @ 3600 RPM). This means 2007 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Astra.
Compare all specifications:
| 2007 Alfa Romeo 156 | 2003 Opel Astra | |
| Make | Alfa Romeo | Opel |
| Model | 156 | Astra |
| Year Released | 2007 | 2003 |
| Body Type | Station Wagon | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 1598 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 99 HP |
| Engine RPM | 6300 RPM | 5600 RPM |
| Torque | 182 Nm | 149 Nm |
| Torque RPM | 3800 RPM | 3600 RPM |
| Engine Bore Size | 83 mm | 79 mm |
| Engine Stroke Size | 91 mm | 81.5 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1335 kg | 1350 kg |
| Vehicle Length | 4450 mm | 4280 mm |
| Vehicle Width | 1750 mm | 1720 mm |
| Vehicle Height | 1440 mm | 1470 mm |
| Wheelbase Size | 2600 mm | 2620 mm |
| Fuel Tank Capacity | 63 L | 52 L |
