2005 Alfa Romeo 166 vs. 2008 Audi S6
To start off, 2008 Audi S6 is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Alfa Romeo 166. In addition, the cost of maintenance, including insurance, on 2005 Alfa Romeo 166 would be higher. At 4,172 cc (8 cylinders), 2008 Audi S6 is equipped with a bigger engine. In terms of performance, 2008 Audi S6 (335 HP @ 7000 RPM) has 98 more horse power than 2005 Alfa Romeo 166. (237 HP @ 6200 RPM) In normal driving conditions, 2008 Audi S6 should accelerate faster than 2005 Alfa Romeo 166. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi S6 weights approximately 200 kg more than 2005 Alfa Romeo 166. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Audi S6 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Alfa Romeo 166. In wet, icy, snow, or gravel driving conditions, 2008 Audi S6 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, 2008 Audi S6 (420 Nm @ 3400 RPM) has 131 more torque (in Nm) than 2005 Alfa Romeo 166. (289 Nm @ 4800 RPM). This means 2008 Audi S6 will have an easier job in driving up hills or pulling heavy equipment than 2005 Alfa Romeo 166.
Compare all specifications:
| 2005 Alfa Romeo 166 | 2008 Audi S6 | |
| Make | Alfa Romeo | Audi |
| Model | 166 | S6 |
| Year Released | 2005 | 2008 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 3179 cc | 4172 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 237 HP | 335 HP |
| Engine RPM | 6200 RPM | 7000 RPM |
| Torque | 289 Nm | 420 Nm |
| Torque RPM | 4800 RPM | 3400 RPM |
| Engine Bore Size | 93 mm | 84.5 mm |
| Engine Stroke Size | 78 mm | 93 mm |
| Engine Compression Ratio | 10.0:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 245 km/hour | 250 km/hour |
| Acceleration 0-100mph | 7.4 seconds | 6.8 seconds |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1615 kg | 1815 kg |
| Vehicle Length | 4730 mm | 4840 mm |
| Vehicle Width | 1810 mm | 1860 mm |
| Vehicle Height | 1420 mm | 1450 mm |
| Wheelbase Size | 2710 mm | 2770 mm |
| Fuel Consumption Overall | 12.5 L/100km | 14.5 L/100km |
| Fuel Tank Capacity | 72 L | 82 L |
