2005 Audi A4 vs. 2001 Alfa Romeo 166
To start off, 2005 Audi A4 is newer by 4 year(s). Which means there will be less support and parts availability for 2001 Alfa Romeo 166. In addition, the cost of maintenance, including insurance, on 2001 Alfa Romeo 166 would be higher. At 2,959 cc (6 cylinders), 2001 Alfa Romeo 166 is equipped with a bigger engine. In terms of performance, 2001 Alfa Romeo 166 (226 HP @ 6200 RPM) has 98 more horse power than 2005 Audi A4. (128 HP @ 4000 RPM) In normal driving conditions, 2001 Alfa Romeo 166 should accelerate faster than 2005 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2001 Alfa Romeo 166 weights approximately 25 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 2001 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 35 more torque (in Nm) than 2001 Alfa Romeo 166. (275 Nm @ 5000 RPM). This means 2005 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2001 Alfa Romeo 166.
Compare all specifications:
| 2005 Audi A4 | 2001 Alfa Romeo 166 | |
| Make | Audi | Alfa Romeo |
| Model | A4 | 166 |
| Year Released | 2005 | 2001 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1896 cc | 2959 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 128 HP | 226 HP |
| Engine RPM | 4000 RPM | 6200 RPM |
| Torque | 310 Nm | 275 Nm |
| Torque RPM | 1900 RPM | 5000 RPM |
| Engine Bore Size | 79.5 mm | 93 mm |
| Engine Stroke Size | 95.5 mm | 72.6 mm |
| Engine Compression Ratio | 19.0:1 | 10.0:1 |
| Top Speed | 205 km/hour | 243 km/hour |
| Acceleration 0-100mph | 10.1 seconds | 7.8 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1485 kg | 1510 kg |
| Vehicle Length | 4550 mm | 4730 mm |
| Vehicle Width | 1780 mm | 1820 mm |
| Vehicle Height | 1430 mm | 1420 mm |
| Wheelbase Size | 2580 mm | 2710 mm |
| Fuel Tank Capacity | 66 L | 72 L |
