2003 Alfa Romeo 156 vs. 2009 Audi S5
To start off, 2009 Audi S5 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 4,163 cc (8 cylinders), 2009 Audi S5 is equipped with a bigger engine. In terms of performance, 2009 Audi S5 (354 HP @ 6800 RPM) has 216 more horse power than 2003 Alfa Romeo 156. (138 HP @ 6500 RPM) In normal driving conditions, 2009 Audi S5 should accelerate faster than 2003 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi S5 weights approximately 455 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 S5 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 S5 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, 2009 Audi S5 (441 Nm @ 3500 RPM) has 278 more torque (in Nm) than 2003 Alfa Romeo 156. (163 Nm @ 3900 RPM). This means 2009 Audi S5 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 | 2009 Audi S5 | |
| Make | Alfa Romeo | Audi |
| Model | 156 | S5 |
| Year Released | 2003 | 2009 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1747 cc | 4163 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 138 HP | 354 HP |
| Engine RPM | 6500 RPM | 6800 RPM |
| Torque | 163 Nm | 441 Nm |
| Torque RPM | 3900 RPM | 3500 RPM |
| Engine Bore Size | 82 mm | 84.5 mm |
| Engine Stroke Size | 82.7 mm | 92.8 mm |
| Engine Compression Ratio | 10.3:1 | 12.5:1 |
| Top Speed | 208 km/hour | 249 km/hour |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1315 kg | 1770 kg |
| Vehicle Length | 4450 mm | 4640 mm |
| Vehicle Width | 1750 mm | 1990 mm |
| Vehicle Height | 1440 mm | 1380 mm |
| Wheelbase Size | 2600 mm | 2760 mm |
| Fuel Consumption | 6.5 L/100km | 11.2 L/100km |
| Fuel Consumption City | 12.2 L/100km | 16.8 L/100km |
| Fuel Consumption Overall | 8.6 L/100km | 14.7 L/100km |
| Fuel Tank Capacity | 63 L | 63 L |
