2004 Alfa Romeo 156 vs. 2003 Mazda 6
To start off, 2004 Alfa Romeo 156 is newer by 1 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 1,989 cc (4 cylinders), 2003 Mazda 6 is equipped with a bigger engine. In terms of performance, 2004 Alfa Romeo 156 (164 HP @ 6400 RPM) has 19 more horse power than 2003 Mazda 6. (145 HP @ 3500 RPM). In normal driving conditions, 2004 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 75 kg more than 2004 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, 2003 Mazda 6 (310 Nm @ 2000 RPM) has 104 more torque (in Nm) than 2004 Alfa Romeo 156. (206 Nm @ 3250 RPM). This means 2003 Mazda 6 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 | 2003 Mazda 6 | |
| Make | Alfa Romeo | Mazda |
| Model | 156 | 6 |
| Year Released | 2004 | 2003 |
| Body Type | Station Wagon | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1910 cc | 1989 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 164 HP | 145 HP |
| Engine RPM | 6400 RPM | 3500 RPM |
| Torque | 206 Nm | 310 Nm |
| Torque RPM | 3250 RPM | 2000 RPM |
| Engine Bore Size | 83 mm | 86 mm |
| Engine Stroke Size | 91 mm | 86 mm |
| Engine Compression Ratio | 11.3:1 | 18.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 220 km/hour | 198 km/hour |
| Acceleration 0-100mph | 8.2 seconds | 10.6 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1410 kg | 1485 kg |
| Vehicle Length | 4450 mm | 4690 mm |
| Vehicle Width | 1750 mm | 1790 mm |
| Vehicle Height | 1400 mm | 1440 mm |
| Wheelbase Size | 2600 mm | 2680 mm |
| Fuel Consumption Overall | 9.1 L/100km | 6.5 L/100km |
| Fuel Tank Capacity | 63 L | 64 L |
