2003 Alfa Romeo 166 vs. 2005 Audi A4
To start off, 2005 Audi A4 is newer by 2 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 2,983 cc (6 cylinders), 2005 Audi A4 is equipped with a bigger engine. In terms of performance, both vehicles can yield 217 horse power. So under normal driving conditions, the acceleration of both vehicles should be relatively similar. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 125 kg more than 2003 Alfa Romeo 166.
Because 2005 Audi A4 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, 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 (301 Nm @ 3200 RPM) has 36 more torque (in Nm) than 2003 Alfa Romeo 166. (265 Nm @ 5000 RPM). This means 2005 Audi A4 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 | 2005 Audi A4 | |
| Make | Alfa Romeo | Audi |
| Model | 166 | A4 |
| Year Released | 2003 | 2005 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2959 cc | 2983 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 217 HP | 217 HP |
| Engine RPM | 6300 RPM | 6300 RPM |
| Torque | 265 Nm | 301 Nm |
| Torque RPM | 5000 RPM | 3200 RPM |
| Engine Bore Size | 93 mm | 82.5 mm |
| Engine Stroke Size | 72.6 mm | 92.8 mm |
| Top Speed | 236 km/hour | 241 km/hour |
| Acceleration 0-100mph | 8.6 seconds | 7.9 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1550 kg | 1675 kg |
| Vehicle Length | 4730 mm | 4580 mm |
| Vehicle Width | 1810 mm | 1780 mm |
| Vehicle Height | 1420 mm | 1400 mm |
| Wheelbase Size | 2600 mm | 2660 mm |
| Fuel Consumption Overall | 13 L/100km | 11.1 L/100km |
| Fuel Tank Capacity | 69 L | 66 L |
