2006 Alfa Romeo 166 vs. 1998 Alfa Romeo 155
To start off, 2006 Alfa Romeo 166 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 2,959 cc (6 cylinders), 2006 Alfa Romeo 166 is equipped with a bigger engine. In terms of performance, 1998 Alfa Romeo 155 (493 HP @ 11700 RPM) has 276 more horse power than 2006 Alfa Romeo 166. (217 HP @ 6300 RPM) In normal driving conditions, 1998 Alfa Romeo 155 should accelerate faster than 2006 Alfa Romeo 166. With that said, vehicle weight also plays an important factor in acceleration. 2006 Alfa Romeo 166 weights approximately 545 kg more than 1998 Alfa Romeo 155.
Let's talk about torque, 1998 Alfa Romeo 155 (300 Nm @ 9500 RPM) has 35 more torque (in Nm) than 2006 Alfa Romeo 166. (265 Nm @ 5000 RPM). This means 1998 Alfa Romeo 155 will have an easier job in driving up hills or pulling heavy equipment than 2006 Alfa Romeo 166.
Compare all specifications:
| 2006 Alfa Romeo 166 | 1998 Alfa Romeo 155 | |
| Make | Alfa Romeo | Alfa Romeo |
| Model | 166 | 155 |
| Year Released | 2006 | 1998 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2959 cc | 2499 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 217 HP | 493 HP |
| Engine RPM | 6300 RPM | 11700 RPM |
| Torque | 265 Nm | 300 Nm |
| Torque RPM | 5000 RPM | 9500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1585 kg | 1040 kg |
| Vehicle Width | 1810 mm | 1750 mm |
