2003 Alfa Romeo 166 vs. 2009 Mazda 6
To start off, 2009 Mazda 6 is newer by 6 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 2,959 cc (6 cylinders), 2003 Alfa Romeo 166 is equipped with a bigger engine. In terms of performance, 2003 Alfa Romeo 166 (217 HP @ 6300 RPM) has 48 more horse power than 2009 Mazda 6. (169 HP @ 6000 RPM). In normal driving conditions, 2003 Alfa Romeo 166 should accelerate faster than 2009 Mazda 6. With that said, vehicle weight also plays an important factor in acceleration. 2003 Alfa Romeo 166 weights approximately 425 kg more than 2009 Mazda 6. 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 (265 Nm @ 5000 RPM) has 37 more torque (in Nm) than 2009 Mazda 6. (228 Nm @ 4000 RPM). This means 2003 Alfa Romeo 166 will have an easier job in driving up hills or pulling heavy equipment than 2009 Mazda 6.
Compare all specifications:
| 2003 Alfa Romeo 166 | 2009 Mazda 6 | |
| Make | Alfa Romeo | Mazda |
| Model | 166 | 6 |
| Year Released | 2003 | 2009 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2959 cc | 2488 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 217 HP | 169 HP |
| Engine RPM | 6300 RPM | 6000 RPM |
| Torque | 265 Nm | 228 Nm |
| Torque RPM | 5000 RPM | 4000 RPM |
| Engine Bore Size | 93 mm | 89 mm |
| Engine Stroke Size | 72.6 mm | 100 mm |
| Engine Compression Ratio | 10.0:1 | 9.7:1 |
| Top Speed | 236 km/hour | 208 km/hour |
| Acceleration 0-100mph | 8.6 seconds | 9.5 seconds |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1550 kg | 1125 kg |
| Vehicle Width | 1810 mm | 1800 mm |
| Wheelbase Size | 2600 mm | 2730 mm |
| Fuel Consumption Overall | 13 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 69 L | 64 L |
