2006 Alfa Romeo 166 vs. 2005 Audi A4
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 A4. In addition, the cost of maintenance, including insurance, on 2005 Audi A4 would be higher. At 3,179 cc (6 cylinders), 2006 Alfa Romeo 166 is equipped with a bigger engine. In terms of performance, 2006 Alfa Romeo 166 (238 HP @ 6200 RPM) has 110 more horse power than 2005 Audi A4. (128 HP @ 4000 RPM). In normal driving conditions, 2006 Alfa Romeo 166 should accelerate faster than 2005 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2006 Alfa Romeo 166 weights approximately 130 kg more than 2005 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Audi A4 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 A4 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 A4 (310 Nm @ 1900 RPM) has 21 more torque (in Nm) than 2006 Alfa Romeo 166. (289 Nm @ 4800 RPM). This means 2005 Audi A4 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 A4 | |
| Make | Alfa Romeo | Audi |
| Model | 166 | A4 |
| Year Released | 2006 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3179 cc | 1896 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 238 HP | 128 HP |
| Engine RPM | 6200 RPM | 4000 RPM |
| Torque | 289 Nm | 310 Nm |
| Torque RPM | 4800 RPM | 1900 RPM |
| Engine Bore Size | 93 mm | 79.5 mm |
| Engine Stroke Size | 78 mm | 95.5 mm |
| Engine Compression Ratio | 10.0:1 | 19.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 245 km/hour | 205 km/hour |
| Acceleration 0-100mph | 7.4 seconds | 10.1 seconds |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1615 kg | 1485 kg |
| Vehicle Length | 4730 mm | 4550 mm |
| Vehicle Width | 1810 mm | 1780 mm |
| Vehicle Height | 1420 mm | 1430 mm |
| Wheelbase Size | 2710 mm | 2580 mm |
| Fuel Consumption Overall | 12.5 L/100km | 6.6 L/100km |
| Fuel Tank Capacity | 69 L | 66 L |
