2006 Alfa Romeo 166 vs. 2003 Mazda 6
To start off, 2006 Alfa Romeo 166 is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Mazda 6. In addition, the cost of maintenance, including insurance, on 2003 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 79 more horse power than 2003 Mazda 6. (159 HP @ 6500 RPM). In normal driving conditions, 2006 Alfa Romeo 166 should accelerate faster than 2003 Mazda 6. With that said, vehicle weight also plays an important factor in acceleration. 2006 Alfa Romeo 166 weights approximately 10 kg more than 2003 Mazda 6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 Mazda 6 is four wheel drive (4WD), it will have significant more traction and grip than 2006 Alfa Romeo 166. In wet, icy, snow, or gravel driving conditions, 2003 Mazda 6 will offer significantly more control. 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 Alfa Romeo 166 (289 Nm @ 4800 RPM) has 84 more torque (in Nm) than 2003 Mazda 6. (205 Nm @ 4000 RPM). This means 2006 Alfa Romeo 166 will have an easier job in driving up hills or pulling heavy equipment than 2003 Mazda 6.
Compare all specifications:
| 2006 Alfa Romeo 166 | 2003 Mazda 6 | |
| Make | Alfa Romeo | Mazda |
| Model | 166 | 6 |
| Year Released | 2006 | 2003 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 3179 cc | 2261 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 238 HP | 159 HP |
| Engine RPM | 6200 RPM | 6500 RPM |
| Torque | 289 Nm | 205 Nm |
| Torque RPM | 4800 RPM | 4000 RPM |
| Engine Bore Size | 93 mm | 87.5 mm |
| Engine Stroke Size | 78 mm | 94 mm |
| Engine Compression Ratio | 10.0:1 | 10.6:1 |
| Top Speed | 245 km/hour | 189 km/hour |
| Acceleration 0-100mph | 7.4 seconds | 12.3 seconds |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1615 kg | 1605 kg |
| Vehicle Length | 4730 mm | 4710 mm |
| Vehicle Width | 1810 mm | 1790 mm |
| Vehicle Height | 1420 mm | 1500 mm |
| Wheelbase Size | 2710 mm | 2620 mm |
| Fuel Consumption Overall | 12.5 L/100km | 10.8 L/100km |
| Fuel Tank Capacity | 69 L | 62 L |
