2005 Alfa Romeo 156 vs. 1998 Opel Astra
To start off, 2005 Alfa Romeo 156 is newer by 7 year(s). Which means there will be less support and parts availability for 1998 Opel Astra. In addition, the cost of maintenance, including insurance, on 1998 Opel Astra would be higher. At 1,995 cc (4 cylinders), 1998 Opel Astra is equipped with a bigger engine. In terms of performance, 2005 Alfa Romeo 156 (118 HP @ 6500 RPM) has 33 more horse power than 1998 Opel Astra. (85 HP @ 4400 RPM). In normal driving conditions, 2005 Alfa Romeo 156 should accelerate faster than 1998 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 1998 Opel Astra weights approximately 40 kg more than 2005 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, 1998 Opel Astra (188 Nm @ 1800 RPM) has 41 more torque (in Nm) than 2005 Alfa Romeo 156. (147 Nm @ 4500 RPM). This means 1998 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 | 1998 Opel Astra | |
| Make | Alfa Romeo | Opel |
| Model | 156 | Astra |
| Year Released | 2005 | 1998 |
| Engine Position | Front | Front |
| Engine Size | 1598 cc | 1995 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 118 HP | 85 HP |
| Engine RPM | 6500 RPM | 4400 RPM |
| Torque | 147 Nm | 188 Nm |
| Torque RPM | 4500 RPM | 1800 RPM |
| Engine Bore Size | 82 mm | 84 mm |
| Engine Stroke Size | 75.7 mm | 90 mm |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 1250 kg | 1290 kg |
| Vehicle Length | 4450 mm | 4060 mm |
| Vehicle Width | 1750 mm | 1710 mm |
| Vehicle Height | 1440 mm | 1470 mm |
| Wheelbase Size | 2710 mm | 2620 mm |
| Fuel Tank Capacity | 63 L | 44 L |
