2005 Alfa Romeo 156 vs. 2009 Audi A4
To start off, 2009 Audi A4 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2005 Alfa Romeo 156 would be higher. At 2,490 cc (6 cylinders), 2005 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 2005 Alfa Romeo 156 (185 HP @ 5000 RPM) has 37 more horse power than 2009 Audi A4. (148 HP @ 6000 RPM). In normal driving conditions, 2005 Alfa Romeo 156 should accelerate faster than 2009 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Alfa Romeo 156 weights approximately 140 kg more than 2009 Audi A4. 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, 2005 Alfa Romeo 156 (221 Nm @ 5000 RPM) has 21 more torque (in Nm) than 2009 Audi A4. (200 Nm @ 3500 RPM). This means 2005 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A4.
Compare all specifications:
| 2005 Alfa Romeo 156 | 2009 Audi A4 | |
| Make | Alfa Romeo | Audi |
| Model | 156 | A4 |
| Year Released | 2005 | 2009 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2490 cc | 1984 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 185 HP | 148 HP |
| Engine RPM | 5000 RPM | 6000 RPM |
| Torque | 221 Nm | 200 Nm |
| Torque RPM | 5000 RPM | 3500 RPM |
| Engine Compression Ratio | 10.3:1 | 11.5:1 |
| Top Speed | 225 km/hour | 213 km/hour |
| Acceleration 0-100mph | 8.4 seconds | 9.6 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1490 kg | 1350 kg |
| Vehicle Length | 4730 mm | 4550 mm |
| Vehicle Width | 1820 mm | 1780 mm |
| Vehicle Height | 1420 mm | 1430 mm |
| Wheelbase Size | 2600 mm | 2660 mm |
| Fuel Consumption Overall | 11.8 L/100km | 7.1 L/100km |
| Fuel Tank Capacity | 72 L | 70 L |
