2003 Alfa Romeo 166 vs. 2006 Mazda 6
To start off, 2006 Mazda 6 is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Alfa Romeo 166. In addition, the cost of maintenance, including insurance, on 2003 Alfa Romeo 166 would be higher. At 2,492 cc (6 cylinders), 2003 Alfa Romeo 166 is equipped with a bigger engine. In terms of performance, 2003 Alfa Romeo 166 (185 HP @ 6300 RPM) has 51 more horse power than 2006 Mazda 6. (134 HP @ 3500 RPM). In normal driving conditions, 2003 Alfa Romeo 166 should accelerate faster than 2006 Mazda 6. With that said, vehicle weight also plays an important factor in acceleration. 2006 Mazda 6 weights approximately 105 kg more than 2003 Alfa Romeo 166.
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, 2006 Mazda 6 (310 Nm @ 2000 RPM) has 89 more torque (in Nm) than 2003 Alfa Romeo 166. (221 Nm @ 5000 RPM). This means 2006 Mazda 6 will have an easier job in driving up hills or pulling heavy equipment than 2003 Alfa Romeo 166.
Compare all specifications:
| 2003 Alfa Romeo 166 | 2006 Mazda 6 | |
| Make | Alfa Romeo | Mazda |
| Model | 166 | 6 |
| Year Released | 2003 | 2006 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 185 HP | 134 HP |
| Engine RPM | 6300 RPM | 3500 RPM |
| Torque | 221 Nm | 310 Nm |
| Torque RPM | 5000 RPM | 2000 RPM |
| Engine Compression Ratio | 10.3:1 | 18.3:1 |
| Top Speed | 220 km/hour | 195 km/hour |
| Acceleration 0-100mph | 8.4 seconds | 10.4 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 | 1435 kg | 1540 kg |
| Vehicle Length | 4730 mm | 4710 mm |
| Vehicle Width | 1810 mm | 1790 mm |
| Vehicle Height | 1420 mm | 1490 mm |
| Wheelbase Size | 2710 mm | 2680 mm |
| Fuel Consumption Overall | 11.9 L/100km | 6.4 L/100km |
| Fuel Tank Capacity | 69 L | 64 L |
