2003 Alfa Romeo 166 vs. 2009 Audi A6
To start off, 2009 Audi A6 is newer by 6 year(s). Which means there will be less support and parts availability for 2003 Alfa Romeo 166. In addition, the cost of maintenance, including insurance, on 2003 Alfa Romeo 166 would be higher. At 4,172 cc (8 cylinders), 2009 Audi A6 is equipped with a bigger engine. In terms of performance, 2009 Audi A6 (296 HP @ 6200 RPM) has 79 more horse power than 2003 Alfa Romeo 166. (217 HP @ 6300 RPM) In normal driving conditions, 2009 Audi A6 should accelerate faster than 2003 Alfa Romeo 166. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A6 weights approximately 265 kg more than 2003 Alfa Romeo 166. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Alfa Romeo 166. In wet, icy, snow, or gravel driving conditions, 2009 Audi A6 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, 2009 Audi A6 (400 Nm @ 3000 RPM) has 135 more torque (in Nm) than 2003 Alfa Romeo 166. (265 Nm @ 5000 RPM). This means 2009 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2003 Alfa Romeo 166.
Compare all specifications:
| 2003 Alfa Romeo 166 | 2009 Audi A6 | |
| Make | Alfa Romeo | Audi |
| Model | 166 | A6 |
| Year Released | 2003 | 2009 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2959 cc | 4172 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 217 HP | 296 HP |
| Engine RPM | 6300 RPM | 6200 RPM |
| Torque | 265 Nm | 400 Nm |
| Torque RPM | 5000 RPM | 3000 RPM |
| Engine Bore Size | 93 mm | 84.6 mm |
| Engine Stroke Size | 72.6 mm | 93 mm |
| Engine Compression Ratio | 10.0:1 | 11.0:1 |
| Acceleration 0-100mph | 8.6 seconds | 7.1 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1550 kg | 1815 kg |
| Vehicle Length | 4730 mm | 4840 mm |
| Vehicle Width | 1810 mm | 1860 mm |
| Vehicle Height | 1420 mm | 1460 mm |
| Wheelbase Size | 2600 mm | 2770 mm |
| Fuel Consumption Overall | 13 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 69 L | 80 L |
