2007 Audi S6 vs. 1999 Alfa Romeo 166
To start off, 2007 Audi S6 is newer by 8 year(s). Which means there will be less support and parts availability for 1999 Alfa Romeo 166. In addition, the cost of maintenance, including insurance, on 1999 Alfa Romeo 166 would be higher. At 5,204 cc (10 cylinders), 2007 Audi S6 is equipped with a bigger engine. In terms of performance, 2007 Audi S6 (435 HP @ 6800 RPM) has 209 more horse power than 1999 Alfa Romeo 166. (226 HP @ 6200 RPM). In normal driving conditions, 2007 Audi S6 should accelerate faster than 1999 Alfa Romeo 166. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi S6 weights approximately 210 kg more than 1999 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 S6 is four wheel drive (4WD), it will have significant more traction and grip than 1999 Alfa Romeo 166. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Audi S6 (540 Nm @ 3000 RPM) has 264 more torque (in Nm) than 1999 Alfa Romeo 166. (276 Nm @ 5000 RPM). This means 2007 Audi S6 will have an easier job in driving up hills or pulling heavy equipment than 1999 Alfa Romeo 166.
Compare all specifications:
| 2007 Audi S6 | 1999 Alfa Romeo 166 | |
| Make | Audi | Alfa Romeo |
| Model | S6 | 166 |
| Year Released | 2007 | 1999 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5204 cc | 2959 cc |
| Engine Cylinders | 10 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 435 HP | 226 HP |
| Engine RPM | 6800 RPM | 6200 RPM |
| Torque | 540 Nm | 276 Nm |
| Torque RPM | 3000 RPM | 5000 RPM |
| Engine Bore Size | 84.5 mm | 93 mm |
| Engine Stroke Size | 92.8 mm | 72.6 mm |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1760 kg | 1550 kg |
| Vehicle Length | 4920 mm | 4730 mm |
| Vehicle Width | 2020 mm | 1820 mm |
| Vehicle Height | 1450 mm | 1420 mm |
| Wheelbase Size | 2850 mm | 2600 mm |
| Fuel Tank Capacity | 80 L | 72 L |
