2002 Alfa Romeo 156 vs. 2004 Opel Astra
To start off, 2004 Opel Astra is newer by 2 year(s). Which means there will be less support and parts availability for 2002 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2002 Alfa Romeo 156 would be higher. At 2,492 cc (6 cylinders), 2002 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 2002 Alfa Romeo 156 (189 HP @ 6300 RPM) has 104 more horse power than 2004 Opel Astra. (85 HP @ 5400 RPM). In normal driving conditions, 2002 Alfa Romeo 156 should accelerate faster than 2004 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2002 Alfa Romeo 156 weights approximately 40 kg more than 2004 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, 2002 Alfa Romeo 156 (218 Nm @ 5000 RPM) has 79 more torque (in Nm) than 2004 Opel Astra. (139 Nm @ 2600 RPM). This means 2002 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Astra. 2004 Opel Astra has automatic transmission and 2002 Alfa Romeo 156 has manual transmission. 2002 Alfa Romeo 156 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 Opel Astra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2002 Alfa Romeo 156 | 2004 Opel Astra | |
| Make | Alfa Romeo | Opel |
| Model | 156 | Astra |
| Year Released | 2002 | 2004 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 1598 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 189 HP | 85 HP |
| Engine RPM | 6300 RPM | 5400 RPM |
| Torque | 218 Nm | 139 Nm |
| Torque RPM | 5000 RPM | 2600 RPM |
| Engine Bore Size | 88 mm | 79 mm |
| Engine Stroke Size | 68.3 mm | 81.5 mm |
| Top Speed | 230 km/hour | 157 km/hour |
| Acceleration 0-100mph | 7.6 seconds | 15 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1355 kg | 1315 kg |
| Vehicle Length | 4440 mm | 4290 mm |
| Vehicle Width | 1750 mm | 1720 mm |
| Vehicle Height | 1420 mm | 1470 mm |
| Wheelbase Size | 2710 mm | 2610 mm |
| Fuel Tank Capacity | 63 L | 52 L |
