2003 Alfa Romeo 156 vs. 2004 Alfa Romeo 156
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 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2003 Alfa Romeo 156 would be higher. At 2,387 cc (6 cylinders), 2004 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 2004 Alfa Romeo 156 (189 HP @ 6300 RPM) has 76 more horse power than 2003 Alfa Romeo 156. (113 HP @ 4000 RPM) In normal driving conditions, 2004 Alfa Romeo 156 should accelerate faster than 2003 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2004 Alfa Romeo 156 weights approximately 125 kg more than 2003 Alfa Romeo 156. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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 Alfa Romeo 156 (275 Nm @ 2000 RPM) has 57 more torque (in Nm) than 2004 Alfa Romeo 156. (218 Nm @ 5000 RPM). This means 2003 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 2004 Alfa Romeo 156.
Compare all specifications:
| 2003 Alfa Romeo 156 | 2004 Alfa Romeo 156 | |
| Make | Alfa Romeo | Alfa Romeo |
| Model | 156 | 156 |
| Year Released | 2003 | 2004 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 2387 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 113 HP | 189 HP |
| Engine RPM | 4000 RPM | 6300 RPM |
| Torque | 275 Nm | 218 Nm |
| Torque RPM | 2000 RPM | 5000 RPM |
| Engine Bore Size | 82 mm | 88 mm |
| Engine Stroke Size | 90.4 mm | 68.3 mm |
| Engine Compression Ratio | 18.5:1 | 10.3:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 191 km/hour | 230 km/hour |
| Acceleration 0-100mph | 10.3 seconds | 7.3 seconds |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1305 kg | 1430 kg |
| Vehicle Length | 4440 mm | 4440 mm |
| Vehicle Width | 1750 mm | 1750 mm |
| Vehicle Height | 1440 mm | 1400 mm |
| Wheelbase Size | 2600 mm | 2550 mm |
| Fuel Consumption Overall | 6 L/100km | 12 L/100km |
| Fuel Tank Capacity | 63 L | 63 L |
