2004 Alfa Romeo 156 vs. 2012 Opel Astra
To start off, 2012 Opel Astra is newer by 8 year(s). Which means there will be less support and parts availability for 2004 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2004 Alfa Romeo 156 would be higher. At 2,387 cc (6 cylinders), 2004 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 2012 Opel Astra (197 HP @ 5400 RPM) has 8 more horse power than 2004 Alfa Romeo 156. (189 HP @ 6300 RPM) In normal driving conditions, 2012 Opel Astra should accelerate faster than 2004 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2004 Alfa Romeo 156 weights approximately 44 kg more than 2012 Opel Astra.
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, 2012 Opel Astra (262 Nm @ 4200 RPM) has 44 more torque (in Nm) than 2004 Alfa Romeo 156. (218 Nm @ 5000 RPM). This means 2012 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2004 Alfa Romeo 156.
Compare all specifications:
| 2004 Alfa Romeo 156 | 2012 Opel Astra | |
| Make | Alfa Romeo | Opel |
| Model | 156 | Astra |
| Year Released | 2004 | 2012 |
| Engine Position | Front | Front |
| Engine Size | 2387 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 189 HP | 197 HP |
| Engine RPM | 6300 RPM | 5400 RPM |
| Torque | 218 Nm | 262 Nm |
| Torque RPM | 5000 RPM | 4200 RPM |
| Engine Compression Ratio | 10.3:1 | 8.8:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Acceleration 0-100mph | 7.3 seconds | 8.2 seconds |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1430 kg | 1386 kg |
| Vehicle Length | 4440 mm | 4480 mm |
| Vehicle Width | 1750 mm | 2030 mm |
| Vehicle Height | 1400 mm | 1420 mm |
| Wheelbase Size | 2550 mm | 2620 mm |
| Fuel Consumption Overall | 12 L/100km | 7.7 L/100km |
| Fuel Tank Capacity | 63 L | 52 L |
