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 2,967 cc (6 cylinders), 2009 Audi A6 is equipped with a bigger engine. In terms of performance, 2009 Audi A6 (221 HP @ 4000 RPM) has 48 more horse power than 2003 Alfa Romeo 166. (173 HP @ 4000 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. 2003 Alfa Romeo 166 weights approximately 685 kg more than 2009 Audi A6.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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 (450 Nm @ 1400 RPM) has 120 more torque (in Nm) than 2003 Alfa Romeo 166. (330 Nm @ 1750 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 | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2387 cc | 2967 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 173 HP | 221 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 330 Nm | 450 Nm |
| Torque RPM | 1750 RPM | 1400 RPM |
| Engine Compression Ratio | 18.0:1 | 17.0:1 |
| Fuel Type | Diesel | Diesel |
| Top Speed | 213 km/hour | 243 km/hour |
| Acceleration 0-100mph | 8.9 seconds | 7.3 seconds |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1580 kg | 895 kg |
| Vehicle Length | 4730 mm | 4920 mm |
| Vehicle Width | 1810 mm | 2020 mm |
| Vehicle Height | 1420 mm | 1470 mm |
| Wheelbase Size | 2710 mm | 2850 mm |
| Fuel Consumption Overall | 8.9 L/100km | 6.3 L/100km |
| Fuel Tank Capacity | 69 L | 80 L |
