2008 Alfa Romeo 166 vs. 2009 Audi A4
To start off, 2009 Audi A4 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Alfa Romeo 166. In addition, the cost of maintenance, including insurance, on 2008 Alfa Romeo 166 would be higher. At 3,177 cc (6 cylinders), 2008 Alfa Romeo 166 is equipped with a bigger engine. In terms of performance, 2008 Alfa Romeo 166 (237 HP @ 6200 RPM) has 15 more horse power than 2009 Audi A4. (222 HP @ 4000 RPM). In normal driving conditions, 2008 Alfa Romeo 166 should accelerate faster than 2009 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2008 Alfa Romeo 166 weights approximately 5 kg more than 2009 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2008 Alfa Romeo 166. In wet, icy, snow, or gravel driving conditions, 2009 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, 2009 Audi A4 (450 Nm @ 1400 RPM) has 161 more torque (in Nm) than 2008 Alfa Romeo 166. (289 Nm @ 4800 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2008 Alfa Romeo 166.
Compare all specifications:
| 2008 Alfa Romeo 166 | 2009 Audi A4 | |
| Make | Alfa Romeo | Audi |
| Model | 166 | A4 |
| Year Released | 2008 | 2009 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3177 cc | 2965 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 237 HP | 222 HP |
| Engine RPM | 6200 RPM | 4000 RPM |
| Torque | 289 Nm | 450 Nm |
| Torque RPM | 4800 RPM | 1400 RPM |
| Engine Bore Size | 93 mm | 83 mm |
| Engine Stroke Size | 78 mm | 91.4 mm |
| Engine Compression Ratio | 10.0:1 | 17.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 245 km/hour | 235 km/hour |
| Acceleration 0-100mph | 7.4 seconds | 7.2 seconds |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1615 kg | 1610 kg |
| Vehicle Length | 4730 mm | 4550 mm |
| Vehicle Width | 1810 mm | 1780 mm |
| Vehicle Height | 1420 mm | 1430 mm |
| Wheelbase Size | 2710 mm | 2660 mm |
| Fuel Consumption Overall | 12.5 L/100km | 7.6 L/100km |
| Fuel Tank Capacity | 69 L | 70 L |
