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 1,970 cc (4 cylinders), 2003 Alfa Romeo 166 is equipped with a bigger engine. In terms of performance, 2003 Alfa Romeo 166 (148 HP @ 6500 RPM) has 4 more horse power than 2000 Alfa Romeo 156. (144 HP @ 6500 RPM). In normal driving conditions, 2003 Alfa Romeo 166 should accelerate faster than 2000 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2003 Alfa Romeo 166 weights approximately 230 kg more than 2000 Alfa Romeo 156. 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, 2003 Alfa Romeo 166 (181 Nm @ 3800 RPM) has 12 more torque (in Nm) than 2000 Alfa Romeo 156. (169 Nm @ 3500 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 | 1970 cc | 1746 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 148 HP | 144 HP |
| Engine RPM | 6500 RPM | 6500 RPM |
| Torque | 181 Nm | 169 Nm |
| Torque RPM | 3800 RPM | 3500 RPM |
| Engine Bore Size | 83 mm | 82 mm |
| Engine Stroke Size | 91 mm | 82.7 mm |
| Engine Compression Ratio | 10.0:1 | 10.3:1 |
| Top Speed | 211 km/hour | 210 km/hour |
| Acceleration 0-100mph | 9.8 seconds | 9.6 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 | 1510 kg | 1280 kg |
| Vehicle Length | 4730 mm | 4440 mm |
| Vehicle Width | 1810 mm | 1750 mm |
| Vehicle Height | 1420 mm | 1430 mm |
| Wheelbase Size | 2710 mm | 2550 mm |
