2005 Alfa Romeo 156 vs. 2003 Mazda 6
To start off, 2005 Alfa Romeo 156 is newer by 2 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 1,969 cc, 2005 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 2005 Alfa Romeo 156 (173 HP @ 4000 RPM) has 55 more horse power than 2003 Mazda 6. (118 HP @ 5500 RPM). In normal driving conditions, 2005 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 170 kg more than 2005 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, 2005 Alfa Romeo 156 (187 Nm @ 3500 RPM) has 22 more torque (in Nm) than 2003 Mazda 6. (165 Nm @ 4500 RPM). This means 2005 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 2003 Mazda 6.
Compare all specifications:
| 2005 Alfa Romeo 156 | 2003 Mazda 6 | |
| Make | Alfa Romeo | Mazda |
| Model | 156 | 6 |
| Year Released | 2005 | 2003 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1969 cc | 1796 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 173 HP | 118 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Torque | 187 Nm | 165 Nm |
| Torque RPM | 3500 RPM | 4500 RPM |
| Engine Bore Size | 83 mm | 83 mm |
| Engine Stroke Size | 91 mm | 83.1 mm |
| Engine Compression Ratio | 10.0:1 | 11.0:1 |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1250 kg | 1420 kg |
| Wheelbase Size | 2550 mm | 2680 mm |
| Fuel Tank Capacity | 63 L | 64 L |
