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 3,726 cc (6 cylinders), 2009 Mazda 6 is equipped with a bigger engine. In terms of performance, 2009 Mazda 6 (272 HP @ 6250 RPM) has 55 more horse power than 2003 Alfa Romeo 166. (217 HP @ 6300 RPM) In normal driving conditions, 2009 Mazda 6 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 425 kg more than 2009 Mazda 6.
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, 2009 Mazda 6 (365 Nm @ 4250 RPM) has 100 more torque (in Nm) than 2003 Alfa Romeo 166. (265 Nm @ 5000 RPM). This means 2009 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 | 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 | 3726 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 217 HP | 272 HP |
| Engine RPM | 6300 RPM | 6250 RPM |
| Torque | 265 Nm | 365 Nm |
| Torque RPM | 5000 RPM | 4250 RPM |
| Engine Compression Ratio | 10.0:1 | 10.8:1 |
| 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 Length | 4730 mm | 4930 mm |
| Vehicle Width | 1810 mm | 1850 mm |
| Vehicle Height | 1420 mm | 1480 mm |
| Wheelbase Size | 2600 mm | 2800 mm |
| Fuel Consumption | 9.3 L/100km | 9.6 L/100km |
| Fuel Consumption City | 19.4 L/100km | 14 L/100km |
| Fuel Consumption Overall | 13 L/100km | 11.9 L/100km |
| Fuel Tank Capacity | 69 L | 70 L |
