2002 Alfa Romeo 156 vs. 2004 Alfa Romeo 166
To start off, 2004 Alfa Romeo 166 is newer by 2 year(s). Which means there will be less support and parts availability for 2002 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2002 Alfa Romeo 156 would be higher. At 2,387 cc (5 cylinders), 2004 Alfa Romeo 166 is equipped with a bigger engine. In terms of performance, 2004 Alfa Romeo 166 (173 HP @ 4000 RPM) has 35 more horse power than 2002 Alfa Romeo 156. (138 HP @ 6500 RPM) In normal driving conditions, 2004 Alfa Romeo 166 should accelerate faster than 2002 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2004 Alfa Romeo 166 weights approximately 188 kg more than 2002 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, 2004 Alfa Romeo 166 (330 Nm @ 1750 RPM) has 167 more torque (in Nm) than 2002 Alfa Romeo 156. (163 Nm @ 3900 RPM). This means 2004 Alfa Romeo 166 will have an easier job in driving up hills or pulling heavy equipment than 2002 Alfa Romeo 156. 2004 Alfa Romeo 166 has automatic transmission and 2002 Alfa Romeo 156 has manual transmission. 2002 Alfa Romeo 156 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 Alfa Romeo 166 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2002 Alfa Romeo 156 | 2004 Alfa Romeo 166 | |
| Make | Alfa Romeo | Alfa Romeo |
| Model | 156 | 166 |
| Year Released | 2002 | 2004 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1747 cc | 2387 cc |
| Engine Cylinders | 4 cylinders | 5 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 173 HP |
| Engine RPM | 6500 RPM | 4000 RPM |
| Torque | 163 Nm | 330 Nm |
| Torque RPM | 3900 RPM | 1750 RPM |
| Engine Compression Ratio | 10.3:1 | 18.0:1 |
| Top Speed | 208 km/hour | 213 km/hour |
| Acceleration 0-100mph | 9.7 seconds | 8.9 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1392 kg | 1580 kg |
| Vehicle Length | 4450 mm | 4730 mm |
| Vehicle Width | 1750 mm | 1810 mm |
| Vehicle Height | 1400 mm | 1420 mm |
| Wheelbase Size | 2710 mm | 2710 mm |
| Fuel Tank Capacity | 63 L | 69 L |
