2007 Alfa Romeo 156 vs. 2003 Mazda 6
To start off, 2007 Alfa Romeo 156 is newer by 4 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 2,490 cc (6 cylinders), 2007 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 2007 Alfa Romeo 156 (189 HP @ 6300 RPM) has 25 more horse power than 2003 Mazda 6. (164 HP @ 6500 RPM). In normal driving conditions, 2007 Alfa Romeo 156 should accelerate faster than 2003 Mazda 6. With that said, vehicle weight also plays an important factor in acceleration. 2003 Mazda 6 weights approximately 110 kg more than 2007 Alfa Romeo 156.
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 Alfa Romeo 156 (218 Nm @ 5000 RPM) has 11 more torque (in Nm) than 2003 Mazda 6. (207 Nm @ 4000 RPM). This means 2007 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 2003 Mazda 6.
Compare all specifications:
| 2007 Alfa Romeo 156 | 2003 Mazda 6 | |
| Make | Alfa Romeo | Mazda |
| Model | 156 | 6 |
| Year Released | 2007 | 2003 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2490 cc | 2261 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 189 HP | 164 HP |
| Engine RPM | 6300 RPM | 6500 RPM |
| Torque | 218 Nm | 207 Nm |
| Torque RPM | 5000 RPM | 4000 RPM |
| Engine Bore Size | 88 mm | 87.6 mm |
| Engine Stroke Size | 68.3 mm | 94 mm |
| Engine Compression Ratio | 10.3:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Acceleration 0-100mph | 7.3 seconds | 9.2 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1355 kg | 1465 kg |
| Vehicle Length | 4440 mm | 4710 mm |
| Vehicle Width | 1750 mm | 1790 mm |
| Vehicle Height | 1440 mm | 1490 mm |
| Wheelbase Size | 2600 mm | 2630 mm |
| Fuel Consumption Overall | 11.8 L/100km | 9.1 L/100km |
| Fuel Tank Capacity | 63 L | 64 L |
