2005 Opel Astra vs. 1998 Alfa Romeo 155
To start off, 2005 Opel Astra is newer by 7 year(s). Which means there will be less support and parts availability for 1998 Alfa Romeo 155. In addition, the cost of maintenance, including insurance, on 1998 Alfa Romeo 155 would be higher. At 2,499 cc (6 cylinders), 1998 Alfa Romeo 155 is equipped with a bigger engine. In terms of performance, 1998 Alfa Romeo 155 (493 HP @ 11700 RPM) has 345 more horse power than 2005 Opel Astra. (148 HP @ 4000 RPM) In normal driving conditions, 1998 Alfa Romeo 155 should accelerate faster than 2005 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Astra weights approximately 240 kg more than 1998 Alfa Romeo 155.
Let's talk about torque, 2005 Opel Astra (316 Nm @ 2000 RPM) has 16 more torque (in Nm) than 1998 Alfa Romeo 155. (300 Nm @ 9500 RPM). This means 2005 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 1998 Alfa Romeo 155.
Compare all specifications:
| 2005 Opel Astra | 1998 Alfa Romeo 155 | |
| Make | Opel | Alfa Romeo |
| Model | Astra | 155 |
| Year Released | 2005 | 1998 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1910 cc | 2499 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 148 HP | 493 HP |
| Engine RPM | 4000 RPM | 11700 RPM |
| Torque | 316 Nm | 300 Nm |
| Torque RPM | 2000 RPM | 9500 RPM |
| Fuel Type | Diesel | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1280 kg | 1040 kg |
| Vehicle Width | 1760 mm | 1750 mm |
