2005 Alfa Romeo 156 vs. 2004 Alfa Romeo 166
To start off, 2005 Alfa Romeo 156 is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Alfa Romeo 166. In addition, the cost of maintenance, including insurance, on 2004 Alfa Romeo 166 would be higher. Both 2005 Alfa Romeo 156 and 2004 Alfa Romeo 166 are equipped with a 1,970 cc engine. In terms of performance, 2005 Alfa Romeo 156 (164 HP @ 6400 RPM) has 16 more horse power than 2004 Alfa Romeo 166. (148 HP @ 6300 RPM). In normal driving conditions, 2005 Alfa Romeo 156 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 10 kg more than 2005 Alfa Romeo 156.
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 (206 Nm @ 3250 RPM) has 24 more torque (in Nm) than 2004 Alfa Romeo 166. (182 Nm @ 3800 RPM). This means 2005 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 2004 Alfa Romeo 166.
Compare all specifications:
| 2005 Alfa Romeo 156 | 2004 Alfa Romeo 166 | |
| Make | Alfa Romeo | Alfa Romeo |
| Model | 156 | 166 |
| Year Released | 2005 | 2004 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 1970 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 164 HP | 148 HP |
| Engine RPM | 6400 RPM | 6300 RPM |
| Torque | 206 Nm | 182 Nm |
| Torque RPM | 3250 RPM | 3800 RPM |
| Top Speed | 220 km/hour | 211 km/hour |
| Acceleration 0-100mph | 8.2 seconds | 9.8 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1410 kg | 1420 kg |
| Vehicle Length | 4450 mm | 4730 mm |
| Vehicle Width | 1750 mm | 1810 mm |
| Vehicle Height | 1400 mm | 1420 mm |
| Wheelbase Size | 2550 mm | 2600 mm |
| Fuel Consumption Overall | 8.9 L/100km | 9.7 L/100km |
| Fuel Tank Capacity | 63 L | 69 L |
