2006 Alfa Romeo 156 vs. 1997 Alfa Romeo 155
To start off, 2006 Alfa Romeo 156 is newer by 9 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 1,970 cc (4 cylinders), 2006 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 2006 Alfa Romeo 156 (149 HP @ 6300 RPM) has 31 more horse power than 1997 Alfa Romeo 155. (118 HP @ 6300 RPM). In normal driving conditions, 2006 Alfa Romeo 156 should accelerate faster than 1997 Alfa Romeo 155. With that said, vehicle weight also plays an important factor in acceleration. 2006 Alfa Romeo 156 weights approximately 315 kg more than 1997 Alfa Romeo 155. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2006 Alfa Romeo 156 (181 Nm @ 3800 RPM) has 37 more torque (in Nm) than 1997 Alfa Romeo 155. (144 Nm @ 4500 RPM). This means 2006 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 1997 Alfa Romeo 155. 2006 Alfa Romeo 156 has automatic transmission and 1997 Alfa Romeo 155 has manual transmission. 1997 Alfa Romeo 155 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Alfa Romeo 156 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Alfa Romeo 156 | 1997 Alfa Romeo 155 | |
| Make | Alfa Romeo | Alfa Romeo |
| Model | 156 | 155 |
| Year Released | 2006 | 1997 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 1598 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 149 HP | 118 HP |
| Engine RPM | 6300 RPM | 6300 RPM |
| Torque | 181 Nm | 144 Nm |
| Torque RPM | 3800 RPM | 4500 RPM |
| Engine Bore Size | 83 mm | 82 mm |
| Engine Stroke Size | 91 mm | 75.7 mm |
| Engine Compression Ratio | 10.0:1 | 10.3:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1585 kg | 1270 kg |
| Vehicle Length | 4440 mm | 4450 mm |
| Vehicle Width | 1750 mm | 1710 mm |
| Vehicle Height | 1440 mm | 1450 mm |
