2004 Alfa Romeo 156 vs. 2007 Audi A4
To start off, 2007 Audi A4 is newer by 3 year(s). Which means there will be less support and parts availability for 2004 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2004 Alfa Romeo 156 would be higher. At 1,984 cc (4 cylinders), 2007 Audi A4 is equipped with a bigger engine. In terms of performance, 2007 Audi A4 (217 HP @ 5900 RPM) has 104 more horse power than 2004 Alfa Romeo 156. (113 HP @ 4000 RPM) In normal driving conditions, 2007 Audi A4 should accelerate faster than 2004 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A4 weights approximately 125 kg more than 2004 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, 2007 Audi A4 (300 Nm @ 2200 RPM) has 25 more torque (in Nm) than 2004 Alfa Romeo 156. (275 Nm @ 2000 RPM). This means 2007 Audi A4 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 | 2007 Audi A4 | |
| Make | Alfa Romeo | Audi |
| Model | 156 | A4 |
| Year Released | 2004 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1969 cc | 1984 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 113 HP | 217 HP |
| Engine RPM | 4000 RPM | 5900 RPM |
| Torque | 275 Nm | 300 Nm |
| Torque RPM | 2000 RPM | 2200 RPM |
| Engine Bore Size | 82 mm | 82.6 mm |
| Engine Stroke Size | 90.4 mm | 92.8 mm |
| Engine Compression Ratio | 18.4:1 | 10.5:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Acceleration 0-100mph | 10.3 seconds | 7.1 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 | 1405 kg | 1530 kg |
| Vehicle Length | 4440 mm | 4550 mm |
| Vehicle Width | 1750 mm | 1780 mm |
| Vehicle Height | 1400 mm | 1400 mm |
| Wheelbase Size | 2550 mm | 2660 mm |
| Fuel Consumption Overall | 5.8 L/100km | 8.1 L/100km |
| Fuel Tank Capacity | 63 L | 70 L |
