2004 Alfa Romeo 156 vs. 2003 Audi A6
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 Audi A6. In addition, the cost of maintenance, including insurance, on 2003 Audi A6 would be higher. At 2,698 cc (6 cylinders), 2003 Audi A6 is equipped with a bigger engine. In terms of performance, 2003 Audi A6 (178 HP @ 3300 RPM) has 30 more horse power than 2004 Alfa Romeo 156. (148 HP @ 4000 RPM) In normal driving conditions, 2003 Audi A6 should accelerate faster than 2004 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2003 Audi A6 weights approximately 110 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.
Because 2004 Alfa Romeo 156 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Audi A6. In wet, icy, snow, or gravel driving conditions, 2004 Alfa Romeo 156 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, 2003 Audi A6 (370 Nm @ 1400 RPM) has 70 more torque (in Nm) than 2004 Alfa Romeo 156. (300 Nm @ 2000 RPM). This means 2003 Audi A6 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 Audi A6 | |
| Make | Alfa Romeo | Audi |
| Model | 156 | A6 |
| Year Released | 2004 | 2003 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1910 cc | 2698 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 178 HP |
| Engine RPM | 4000 RPM | 3300 RPM |
| Torque | 300 Nm | 370 Nm |
| Torque RPM | 2000 RPM | 1400 RPM |
| Engine Bore Size | 82 mm | 83.1 mm |
| Engine Stroke Size | 90.4 mm | 83.1 mm |
| Engine Compression Ratio | 18.5:1 | 17.0:1 |
| Fuel Type | Diesel | Diesel |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1585 kg | 1695 kg |
| Vehicle Length | 4450 mm | 4940 mm |
| Vehicle Width | 1770 mm | 1860 mm |
| Vehicle Height | 1480 mm | 1470 mm |
| Wheelbase Size | 2600 mm | 2850 mm |
| Fuel Consumption Overall | 7.1 L/100km | 7.1 L/100km |
| Fuel Tank Capacity | 50 L | 70 L |
