2005 Alfa Romeo 166 vs. 2007 Audi S8
To start off, 2007 Audi S8 is newer by 2 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 5,204 cc (10 cylinders), 2007 Audi S8 is equipped with a bigger engine. In terms of performance, 2007 Audi S8 (444 HP @ 7000 RPM) has 227 more horse power than 2005 Alfa Romeo 166. (217 HP @ 6300 RPM) In normal driving conditions, 2007 Audi S8 should accelerate faster than 2005 Alfa Romeo 166. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi S8 weights approximately 355 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 2007 Audi S8 is all wheel drive (AWD), it will have significant more traction and grip than 2005 Alfa Romeo 166. In wet, icy, snow, or gravel driving conditions, 2007 Audi S8 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, 2007 Audi S8 (540 Nm @ 3400 RPM) has 275 more torque (in Nm) than 2005 Alfa Romeo 166. (265 Nm @ 5000 RPM). This means 2007 Audi S8 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 | 2007 Audi S8 | |
| Make | Alfa Romeo | Audi |
| Model | 166 | S8 |
| Year Released | 2005 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2959 cc | 5204 cc |
| Engine Cylinders | 6 cylinders | 10 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 217 HP | 444 HP |
| Engine RPM | 6300 RPM | 7000 RPM |
| Torque | 265 Nm | 540 Nm |
| Torque RPM | 5000 RPM | 3400 RPM |
| Engine Bore Size | 93 mm | 84.5 mm |
| Engine Stroke Size | 72.6 mm | 92.8 mm |
| Engine Compression Ratio | 10.0:1 | 12.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 236 km/hour | 260 km/hour |
| Acceleration 0-100mph | 8.9 seconds | 5.4 seconds |
| Drive Type | Front | AWD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1585 kg | 1940 kg |
| Vehicle Length | 4730 mm | 5070 mm |
| Vehicle Width | 1810 mm | 1900 mm |
| Vehicle Height | 1420 mm | 1430 mm |
| Wheelbase Size | 2710 mm | 2950 mm |
| Fuel Tank Capacity | 72 L | 90 L |
