2006 Alfa Romeo 166 vs. 2007 Mazda MazdaSpeed3
To start off, 2007 Mazda MazdaSpeed3 is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Alfa Romeo 166. In addition, the cost of maintenance, including insurance, on 2006 Alfa Romeo 166 would be higher. At 2,260 cc (4 cylinders), 2007 Mazda MazdaSpeed3 is equipped with a bigger engine. In terms of performance, 2007 Mazda MazdaSpeed3 (263 HP @ 5500 RPM) has 115 more horse power than 2006 Alfa Romeo 166. (148 HP @ 6500 RPM) In normal driving conditions, 2007 Mazda MazdaSpeed3 should accelerate faster than 2006 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, 2007 Mazda MazdaSpeed3 (380 Nm @ 3000 RPM) has 199 more torque (in Nm) than 2006 Alfa Romeo 166. (181 Nm @ 3800 RPM). This means 2007 Mazda MazdaSpeed3 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 | 2007 Mazda MazdaSpeed3 | |
| Make | Alfa Romeo | Mazda |
| Model | 166 | MazdaSpeed3 |
| Year Released | 2006 | 2007 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 2260 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 263 HP |
| Engine RPM | 6500 RPM | 5500 RPM |
| Torque | 181 Nm | 380 Nm |
| Torque RPM | 3800 RPM | 3000 RPM |
| Engine Bore Size | 83 mm | 87.5 mm |
| Engine Stroke Size | 91 mm | 94 mm |
| Engine Compression Ratio | 10.0:1 | 9.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Length | 4730 mm | 4500 mm |
| Vehicle Width | 1810 mm | 1770 mm |
| Vehicle Height | 1420 mm | 1470 mm |
| Wheelbase Size | 2710 mm | 2650 mm |
| Fuel Consumption Overall | 9.9 L/100km | 10.2 L/100km |
| Fuel Tank Capacity | 69 L | 55 L |
