2005 Alfa Romeo 156 vs. 2006 Audi S4
To start off, 2006 Audi S4 is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2005 Alfa Romeo 156 would be higher. At 4,163 cc (8 cylinders), 2006 Audi S4 is equipped with a bigger engine. In terms of performance, 2006 Audi S4 (340 HP @ 6800 RPM) has 166 more horse power than 2005 Alfa Romeo 156. (174 HP @ 4000 RPM) In normal driving conditions, 2006 Audi S4 should accelerate faster than 2005 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi S4 weights approximately 20 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 2006 Audi S4 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, 2006 Audi S4 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 S4 (410 Nm @ 3500 RPM) has 25 more torque (in Nm) than 2005 Alfa Romeo 156. (385 Nm @ 2000 RPM). This means 2006 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2005 Alfa Romeo 156.
Compare all specifications:
| 2005 Alfa Romeo 156 | 2006 Audi S4 | |
| Make | Alfa Romeo | Audi |
| Model | 156 | S4 |
| Year Released | 2005 | 2006 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2387 cc | 4163 cc |
| Engine Cylinders | 5 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 174 HP | 340 HP |
| Engine RPM | 4000 RPM | 6800 RPM |
| Torque | 385 Nm | 410 Nm |
| Torque RPM | 2000 RPM | 3500 RPM |
| Top Speed | 225 km/hour | 250 km/hour |
| Acceleration 0-100mph | 8.6 seconds | 5.9 seconds |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1510 kg | 1530 kg |
| Vehicle Length | 4440 mm | 4580 mm |
| Vehicle Width | 1750 mm | 1780 mm |
| Vehicle Height | 1400 mm | 1400 mm |
| Wheelbase Size | 2550 mm | 2660 mm |
| Fuel Consumption Overall | 6.6 L/100km | 13.2 L/100km |
| Fuel Tank Capacity | 63 L | 63 L |
