2003 Alfa Romeo 156 vs. 2009 Audi A6
To start off, 2009 Audi A6 is newer by 6 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 3,129 cc (6 cylinders), 2009 Audi A6 is equipped with a bigger engine. In terms of performance, 2009 Audi A6 (342 HP @ 6500 RPM) has 169 more horse power than 2003 Alfa Romeo 156. (173 HP @ 4000 RPM) In normal driving conditions, 2009 Audi A6 should accelerate faster than 2003 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A6 weights approximately 30 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 2009 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, 2009 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, 2003 Alfa Romeo 156 (385 Nm @ 2000 RPM) has 142 more torque (in Nm) than 2009 Audi A6. (243 Nm @ 3250 RPM). This means 2003 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A6. 2009 Audi A6 has automatic transmission and 2003 Alfa Romeo 156 has manual transmission. 2003 Alfa Romeo 156 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Audi A6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Alfa Romeo 156 | 2009 Audi A6 | |
| Make | Alfa Romeo | Audi |
| Model | 156 | A6 |
| Year Released | 2003 | 2009 |
| Body Type | Station Wagon | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2387 cc | 3129 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 173 HP | 342 HP |
| Engine RPM | 4000 RPM | 6500 RPM |
| Torque | 385 Nm | 243 Nm |
| Torque RPM | 2000 RPM | 3250 RPM |
| Engine Bore Size | 82 mm | 84.6 mm |
| Engine Stroke Size | 90.4 mm | 92.7 mm |
| Engine Compression Ratio | 18.5:1 | 12.5:1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 225 km/hour | 209 km/hour |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1510 kg | 1540 kg |
| Vehicle Length | 4450 mm | 4920 mm |
| Vehicle Width | 1750 mm | 1470 mm |
| Vehicle Height | 1400 mm | 1860 mm |
| Wheelbase Size | 2600 mm | 2850 mm |
| Fuel Consumption Overall | 7 L/100km | 15.5 L/100km |
| Fuel Tank Capacity | 63 L | 70 L |
