2003 Alfa Romeo 156 vs. 2006 Audi A6
To start off, 2006 Audi A6 is newer by 3 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 2,698 cc (6 cylinders), 2006 Audi A6 is equipped with a bigger engine. In terms of performance, 2006 Audi A6 (178 HP @ 3300 RPM) has 40 more horse power than 2003 Alfa Romeo 156. (138 HP @ 6500 RPM) In normal driving conditions, 2006 Audi A6 should accelerate faster than 2003 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi A6 weights approximately 430 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.
Because 2006 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Alfa Romeo 156. In wet, icy, snow, or gravel driving conditions, 2006 Audi A6 will offer significantly more control. 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, 2006 Audi A6 (380 Nm @ 1400 RPM) has 217 more torque (in Nm) than 2003 Alfa Romeo 156. (163 Nm @ 3900 RPM). This means 2006 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2003 Alfa Romeo 156.
Compare all specifications:
| 2003 Alfa Romeo 156 | 2006 Audi A6 | |
| Make | Alfa Romeo | Audi |
| Model | 156 | A6 |
| Year Released | 2003 | 2006 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1746 cc | 2698 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 138 HP | 178 HP |
| Engine RPM | 6500 RPM | 3300 RPM |
| Torque | 163 Nm | 380 Nm |
| Torque RPM | 3900 RPM | 1400 RPM |
| Engine Bore Size | 82 mm | 83 mm |
| Engine Stroke Size | 82.7 mm | 83.1 mm |
| Engine Compression Ratio | 10.3:1 | 17.0:1 |
| Top Speed | 208 km/hour | 223 km/hour |
| Acceleration 0-100mph | 9.4 seconds | 9.1 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1265 kg | 1695 kg |
| Vehicle Length | 4440 mm | 4940 mm |
| Vehicle Width | 1750 mm | 1860 mm |
| Vehicle Height | 1440 mm | 1470 mm |
| Wheelbase Size | 2710 mm | 2850 mm |
| Fuel Consumption Overall | 8.5 L/100km | 8.3 L/100km |
| Fuel Tank Capacity | 63 L | 80 L |
