2004 Alfa Romeo 156 vs. 2007 Mazda 3
To start off, 2007 Mazda 3 is newer by 3 year(s). Which means there will be less support and parts availability for 2004 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2004 Alfa Romeo 156 would be higher. At 1,998 cc (4 cylinders), 2007 Mazda 3 is equipped with a bigger engine. In terms of performance, 2007 Mazda 3 (139 HP @ 6500 RPM) has 1 more horse power than 2004 Alfa Romeo 156. (138 HP @ 6500 RPM) In normal driving conditions, 2007 Mazda 3 should accelerate faster than 2004 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2004 Alfa Romeo 156 weights approximately 159 kg more than 2007 Mazda 3.
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 3 (182 Nm @ 4500 RPM) has 19 more torque (in Nm) than 2004 Alfa Romeo 156. (163 Nm @ 3900 RPM). This means 2007 Mazda 3 will have an easier job in driving up hills or pulling heavy equipment than 2004 Alfa Romeo 156.
Compare all specifications:
| 2004 Alfa Romeo 156 | 2007 Mazda 3 | |
| Make | Alfa Romeo | Mazda |
| Model | 156 | 3 |
| Year Released | 2004 | 2007 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1747 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 139 HP |
| Engine RPM | 6500 RPM | 6500 RPM |
| Torque | 163 Nm | 182 Nm |
| Torque RPM | 3900 RPM | 4500 RPM |
| Engine Bore Size | 82.1 mm | 87.6 mm |
| Engine Stroke Size | 82.7 mm | 83.1 mm |
| Engine Compression Ratio | 10.3:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Acceleration 0-100mph | 9.7 seconds | 10.9 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1390 kg | 1231 kg |
| Vehicle Length | 4450 mm | 4550 mm |
| Vehicle Width | 1750 mm | 1760 mm |
| Vehicle Height | 1400 mm | 1470 mm |
| Wheelbase Size | 2600 mm | 2650 mm |
| Fuel Consumption Overall | 8.6 L/100km | 10.9 L/100km |
| Fuel Tank Capacity | 63 L | 55 L |
