2003 Alfa Romeo 166 vs. 2000 Alfa Romeo 156
To start off, 2003 Alfa Romeo 166 is newer by 3 year(s). Which means there will be less support and parts availability for 2000 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2000 Alfa Romeo 156 would be higher. At 2,491 cc (6 cylinders), 2000 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 2000 Alfa Romeo 156 (190 HP @ 6300 RPM) has 42 more horse power than 2003 Alfa Romeo 166. (148 HP @ 4000 RPM) In normal driving conditions, 2000 Alfa Romeo 156 should accelerate faster than 2003 Alfa Romeo 166. With that said, vehicle weight also plays an important factor in acceleration. 2003 Alfa Romeo 166 weights approximately 172 kg more than 2000 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, 2003 Alfa Romeo 166 (300 Nm @ 1800 RPM) has 78 more torque (in Nm) than 2000 Alfa Romeo 156. (222 Nm @ 5000 RPM). This means 2003 Alfa Romeo 166 will have an easier job in driving up hills or pulling heavy equipment than 2000 Alfa Romeo 156.
Compare all specifications:
| 2003 Alfa Romeo 166 | 2000 Alfa Romeo 156 | |
| Make | Alfa Romeo | Alfa Romeo |
| Model | 166 | 156 |
| Year Released | 2003 | 2000 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2387 cc | 2491 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 148 HP | 190 HP |
| Engine RPM | 4000 RPM | 6300 RPM |
| Torque | 300 Nm | 222 Nm |
| Torque RPM | 1800 RPM | 5000 RPM |
| Engine Bore Size | 82 mm | 88 mm |
| Engine Stroke Size | 90.4 mm | 68.3 mm |
| Engine Compression Ratio | 18.5:1 | 10.3:1 |
| Top Speed | 210 km/hour | 230 km/hour |
| Acceleration 0-100mph | 9.9 seconds | 7.4 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 | 1542 kg | 1370 kg |
| Vehicle Length | 4730 mm | 4440 mm |
| Vehicle Width | 1810 mm | 1750 mm |
| Vehicle Height | 1420 mm | 1430 mm |
| Wheelbase Size | 2600 mm | 2600 mm |
| Fuel Tank Capacity | 69 L | 63 L |
