1998 Alfa Romeo 166 vs. 2005 Alfa Romeo 156
To start off, 2005 Alfa Romeo 156 is newer by 7 year(s). Which means there will be less support and parts availability for 1998 Alfa Romeo 166. In addition, the cost of maintenance, including insurance, on 1998 Alfa Romeo 166 would be higher. At 3,179 cc (6 cylinders), 2005 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 2005 Alfa Romeo 156 (247 HP @ 6200 RPM) has 92 more horse power than 1998 Alfa Romeo 166. (155 HP @ 6400 RPM) In normal driving conditions, 2005 Alfa Romeo 156 should accelerate faster than 1998 Alfa Romeo 166. With that said, vehicle weight also plays an important factor in acceleration. 2005 Alfa Romeo 156 weights approximately 45 kg more than 1998 Alfa Romeo 166. 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, 2005 Alfa Romeo 156 (305 Nm @ 4800 RPM) has 118 more torque (in Nm) than 1998 Alfa Romeo 166. (187 Nm @ 2800 RPM). This means 2005 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 1998 Alfa Romeo 166.
Compare all specifications:
| 1998 Alfa Romeo 166 | 2005 Alfa Romeo 156 | |
| Make | Alfa Romeo | Alfa Romeo |
| Model | 166 | 156 |
| Year Released | 1998 | 2005 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 3179 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 155 HP | 247 HP |
| Engine RPM | 6400 RPM | 6200 RPM |
| Torque | 187 Nm | 305 Nm |
| Torque RPM | 2800 RPM | 4800 RPM |
| Engine Compression Ratio | 10.0:1 | 10.5:1 |
| Acceleration 0-100mph | 9.6 seconds | 6.6 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1495 kg | 1540 kg |
| Wheelbase Size | 2710 mm | 2550 mm |
| Fuel Tank Capacity | 72 L | 60 L |
