2005 Alfa Romeo 156 vs. 2004 Opel Astra
To start off, 2005 Alfa Romeo 156 is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Opel Astra. In addition, the cost of maintenance, including insurance, on 2004 Opel Astra would be higher. At 1,994 cc (4 cylinders), 2004 Opel Astra is equipped with a bigger engine. In terms of performance, 2004 Opel Astra (197 HP @ 5400 RPM) has 24 more horse power than 2005 Alfa Romeo 156. (173 HP @ 4000 RPM) In normal driving conditions, 2004 Opel Astra should accelerate faster than 2005 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Astra weights approximately 136 kg more than 2005 Alfa Romeo 156. 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, 2004 Opel Astra (262 Nm @ 4200 RPM) has 75 more torque (in Nm) than 2005 Alfa Romeo 156. (187 Nm @ 3500 RPM). This means 2004 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2005 Alfa Romeo 156.
Compare all specifications:
2005 Alfa Romeo 156 | 2004 Opel Astra | |
Make | Alfa Romeo | Opel |
Model | 156 | Astra |
Year Released | 2005 | 2004 |
Engine Position | Front | Front |
Engine Size | 1969 cc | 1994 cc |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 173 HP | 197 HP |
Engine RPM | 4000 RPM | 5400 RPM |
Torque | 187 Nm | 262 Nm |
Torque RPM | 3500 RPM | 4200 RPM |
Engine Bore Size | 83 mm | 86 mm |
Engine Stroke Size | 91 mm | 86 mm |
Engine Compression Ratio | 10.0:1 | 8.8:1 |
Drive Type | Front | Front |
Transmission Type | Manual | Manual |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 5 doors |
Vehicle Weight | 1250 kg | 1386 kg |
Wheelbase Size | 2550 mm | 2740 mm |
Fuel Tank Capacity | 63 L | 52 L |