1997 Alfa Romeo 155 vs. 2004 Alfa Romeo 166
To start off, 2004 Alfa Romeo 166 is newer by 7 year(s). Which means there will be less support and parts availability for 1997 Alfa Romeo 155. In addition, the cost of maintenance, including insurance, on 1997 Alfa Romeo 155 would be higher. At 2,499 cc (6 cylinders), 1997 Alfa Romeo 155 is equipped with a bigger engine. In terms of performance, 1997 Alfa Romeo 155 (493 HP @ 11700 RPM) has 308 more horse power than 2004 Alfa Romeo 166. (185 HP @ 6300 RPM). In normal driving conditions, 1997 Alfa Romeo 155 should accelerate faster than 2004 Alfa Romeo 166. With that said, vehicle weight also plays an important factor in acceleration. 2004 Alfa Romeo 166 weights approximately 395 kg more than 1997 Alfa Romeo 155.
Let's talk about torque, 1997 Alfa Romeo 155 (300 Nm @ 9500 RPM) has 79 more torque (in Nm) than 2004 Alfa Romeo 166. (221 Nm @ 5000 RPM). This means 1997 Alfa Romeo 155 will have an easier job in driving up hills or pulling heavy equipment than 2004 Alfa Romeo 166.
Compare all specifications:
| 1997 Alfa Romeo 155 | 2004 Alfa Romeo 166 | |
| Make | Alfa Romeo | Alfa Romeo |
| Model | 155 | 166 |
| Year Released | 1997 | 2004 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2499 cc | 2492 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 493 HP | 185 HP |
| Engine RPM | 11700 RPM | 6300 RPM |
| Torque | 300 Nm | 221 Nm |
| Torque RPM | 9500 RPM | 5000 RPM |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1040 kg | 1435 kg |
| Vehicle Width | 1750 mm | 1810 mm |
