2006 Alfa Romeo 166 vs. 2005 Audi S6
To start off, 2006 Alfa Romeo 166 is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Audi S6. In addition, the cost of maintenance, including insurance, on 2005 Audi S6 would be higher. At 4,172 cc (8 cylinders), 2005 Audi S6 is equipped with a bigger engine. In terms of performance, 2005 Audi S6 (335 HP @ 7000 RPM) has 118 more horse power than 2006 Alfa Romeo 166. (217 HP @ 6300 RPM) In normal driving conditions, 2005 Audi S6 should accelerate faster than 2006 Alfa Romeo 166. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S6 weights approximately 175 kg more than 2006 Alfa Romeo 166. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Audi S6 is four wheel drive (4WD), it will have significant more traction and grip than 2006 Alfa Romeo 166. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Audi S6 (420 Nm @ 3400 RPM) has 155 more torque (in Nm) than 2006 Alfa Romeo 166. (265 Nm @ 5000 RPM). This means 2005 Audi S6 will have an easier job in driving up hills or pulling heavy equipment than 2006 Alfa Romeo 166.
Compare all specifications:
| 2006 Alfa Romeo 166 | 2005 Audi S6 | |
| Make | Alfa Romeo | Audi |
| Model | 166 | S6 |
| Year Released | 2006 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2958 cc | 4172 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 217 HP | 335 HP |
| Engine RPM | 6300 RPM | 7000 RPM |
| Torque | 265 Nm | 420 Nm |
| Torque RPM | 5000 RPM | 3400 RPM |
| Engine Bore Size | 93 mm | 84.5 mm |
| Engine Stroke Size | 72.6 mm | 93 mm |
| Engine Compression Ratio | 10.0:1 | 11.0:1 |
| Top Speed | 236 km/hour | 250 km/hour |
| Acceleration 0-100mph | 8.6 seconds | 6.7 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1585 kg | 1760 kg |
| Wheelbase Size | 2710 mm | 2770 mm |
| Fuel Tank Capacity | 69 L | 82 L |
