2005 Alfa Romeo 156 vs. 2003 Audi A6
To start off, 2005 Alfa Romeo 156 is newer by 2 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 2,976 cc (6 cylinders), 2003 Audi A6 is equipped with a bigger engine. In terms of performance, 2003 Audi A6 (217 HP @ 6300 RPM) has 44 more horse power than 2005 Alfa Romeo 156. (173 HP @ 4000 RPM) In normal driving conditions, 2003 Audi A6 should accelerate faster than 2005 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2003 Audi A6 weights approximately 395 kg more than 2005 Alfa Romeo 156. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Alfa Romeo 156. In wet, icy, snow, or gravel driving conditions, 2003 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 Audi A6 (320 Nm @ 3200 RPM) has 133 more torque (in Nm) than 2005 Alfa Romeo 156. (187 Nm @ 3500 RPM). This means 2003 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2005 Alfa Romeo 156. 2003 Audi A6 has automatic transmission and 2005 Alfa Romeo 156 has manual transmission. 2005 Alfa Romeo 156 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Audi A6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Alfa Romeo 156 | 2003 Audi A6 | |
| Make | Alfa Romeo | Audi |
| Model | 156 | A6 |
| Year Released | 2005 | 2003 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1969 cc | 2976 cc |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 173 HP | 217 HP |
| Engine RPM | 4000 RPM | 6300 RPM |
| Torque | 187 Nm | 320 Nm |
| Torque RPM | 3500 RPM | 3200 RPM |
| Engine Bore Size | 83 mm | 82.5 mm |
| Engine Stroke Size | 91 mm | 92.8 mm |
| Engine Compression Ratio | 10.0:1 | 11.0:1 |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1250 kg | 1645 kg |
| Wheelbase Size | 2550 mm | 2430 mm |
| Fuel Tank Capacity | 63 L | 70 L |
