2006 Audi A4 vs. 1998 Alfa Romeo 155
To start off, 2006 Audi A4 is newer by 8 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 3,129 cc (6 cylinders), 2006 Audi A4 is equipped with a bigger engine. In terms of performance, 1998 Alfa Romeo 155 (493 HP @ 11700 RPM) has 238 more horse power than 2006 Audi A4. (255 HP @ 6500 RPM) In normal driving conditions, 1998 Alfa Romeo 155 should accelerate faster than 2006 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi A4 weights approximately 840 kg more than 1998 Alfa Romeo 155.
Let's talk about torque, 2006 Audi A4 (330 Nm @ 3250 RPM) has 30 more torque (in Nm) than 1998 Alfa Romeo 155. (300 Nm @ 9500 RPM). This means 2006 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1998 Alfa Romeo 155.
Compare all specifications:
| 2006 Audi A4 | 1998 Alfa Romeo 155 | |
| Make | Audi | Alfa Romeo |
| Model | A4 | 155 |
| Year Released | 2006 | 1998 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3129 cc | 2499 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 255 HP | 493 HP |
| Engine RPM | 6500 RPM | 11700 RPM |
| Torque | 330 Nm | 300 Nm |
| Torque RPM | 3250 RPM | 9500 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1880 kg | 1040 kg |
| Vehicle Width | 1780 mm | 1750 mm |
