2005 Alfa Romeo 159 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 159. In addition, the cost of maintenance, including insurance, on 2005 Alfa Romeo 159 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 (339 HP @ 7000 RPM) has 221 more horse power than 2005 Alfa Romeo 159. (118 HP @ 4000 RPM) In normal driving conditions, 2006 Audi S4 should accelerate faster than 2005 Alfa Romeo 159. With that said, vehicle weight also plays an important factor in acceleration. 2005 Alfa Romeo 159 weights approximately 220 kg more than 2006 Audi S4.
Because 2006 Audi S4 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Alfa Romeo 159. 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 (411 Nm @ 3500 RPM) has 122 more torque (in Nm) than 2005 Alfa Romeo 159. (289 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 159.
Compare all specifications:
| 2005 Alfa Romeo 159 | 2006 Audi S4 | |
| Make | Alfa Romeo | Audi |
| Model | 159 | S4 |
| Year Released | 2005 | 2006 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1910 cc | 4163 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 5 valves |
| Horse Power | 118 HP | 339 HP |
| Engine RPM | 4000 RPM | 7000 RPM |
| Torque | 289 Nm | 411 Nm |
| Torque RPM | 2000 RPM | 3500 RPM |
| Engine Bore Size | 82 mm | 84.5 mm |
| Engine Stroke Size | 90.4 mm | 92.8 mm |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 191 km/hour | 250 km/hour |
| Acceleration 0-100mph | 11 seconds | 5.9 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1495 kg | 1275 kg |
| Vehicle Length | 4670 mm | 4580 mm |
| Vehicle Width | 1830 mm | 1790 mm |
| Vehicle Height | 1420 mm | 1450 mm |
| Wheelbase Size | 2600 mm | 2660 mm |
| Fuel Consumption | 4.8 L/100km | 11.2 L/100km |
| Fuel Consumption City | 8.1 L/100km | 15.7 L/100km |
| Fuel Consumption Overall | 6 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 70 L | 63 L |
