2006 Alfa Romeo 166 vs. 2004 Mazda 6
To start off, 2006 Alfa Romeo 166 is newer by 2 year(s). Which means there will be less support and parts availability for 2004 Mazda 6. In addition, the cost of maintenance, including insurance, on 2004 Mazda 6 would be higher. At 3,179 cc (6 cylinders), 2006 Alfa Romeo 166 is equipped with a bigger engine. In terms of performance, 2006 Alfa Romeo 166 (238 HP @ 6200 RPM) has 108 more horse power than 2004 Mazda 6. (130 HP @ 3500 RPM). In normal driving conditions, 2006 Alfa Romeo 166 should accelerate faster than 2004 Mazda 6. With that said, vehicle weight also plays an important factor in acceleration. 2006 Alfa Romeo 166 weights approximately 130 kg more than 2004 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, 2004 Mazda 6 (310 Nm @ 2000 RPM) has 21 more torque (in Nm) than 2006 Alfa Romeo 166. (289 Nm @ 4800 RPM). This means 2004 Mazda 6 will have an easier job in driving up hills or pulling heavy equipment than 2006 Alfa Romeo 166.
Compare all specifications:
| 2006 Alfa Romeo 166 | 2004 Mazda 6 | |
| Make | Alfa Romeo | Mazda |
| Model | 166 | 6 |
| Year Released | 2006 | 2004 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 3179 cc | 1999 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 238 HP | 130 HP |
| Engine RPM | 6200 RPM | 3500 RPM |
| Torque | 289 Nm | 310 Nm |
| Torque RPM | 4800 RPM | 2000 RPM |
| Engine Bore Size | 93 mm | 86.1 mm |
| Engine Stroke Size | 78 mm | 86 mm |
| Engine Compression Ratio | 10.0:1 | 18.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Acceleration 0-100mph | 7.4 seconds | 10.6 seconds |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1615 kg | 1485 kg |
| Vehicle Length | 4730 mm | 4690 mm |
| Vehicle Width | 1810 mm | 1790 mm |
| Vehicle Height | 1420 mm | 1440 mm |
| Wheelbase Size | 2710 mm | 2680 mm |
| Fuel Consumption Overall | 12.5 L/100km | 6.5 L/100km |
| Fuel Tank Capacity | 69 L | 64 L |
