1997 Alfa Romeo 155 vs. 2007 Alfa Romeo 166
To start off, 2007 Alfa Romeo 166 is newer by 10 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 315 more horse power than 2007 Alfa Romeo 166. (178 HP @ 4000 RPM). In normal driving conditions, 1997 Alfa Romeo 155 should accelerate faster than 2007 Alfa Romeo 166. With that said, vehicle weight also plays an important factor in acceleration. 2007 Alfa Romeo 166 weights approximately 575 kg more than 1997 Alfa Romeo 155.
Let's talk about torque, 2007 Alfa Romeo 166 (385 Nm @ 2000 RPM) has 85 more torque (in Nm) than 1997 Alfa Romeo 155. (300 Nm @ 9500 RPM). This means 2007 Alfa Romeo 166 will have an easier job in driving up hills or pulling heavy equipment than 1997 Alfa Romeo 155.
Compare all specifications:
| 1997 Alfa Romeo 155 | 2007 Alfa Romeo 166 | |
| Make | Alfa Romeo | Alfa Romeo |
| Model | 155 | 166 |
| Year Released | 1997 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2499 cc | 2387 cc |
| Engine Cylinders | 6 cylinders | 5 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 493 HP | 178 HP |
| Engine RPM | 11700 RPM | 4000 RPM |
| Torque | 300 Nm | 385 Nm |
| Torque RPM | 9500 RPM | 2000 RPM |
| Fuel Type | Gasoline | Diesel |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1040 kg | 1615 kg |
| Vehicle Width | 1750 mm | 1810 mm |
