2003 Alfa Romeo 166 vs. 2004 Audi A4
To start off, 2004 Audi A4 is newer by 1 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 2,492 cc (6 cylinders), 2003 Alfa Romeo 166 is equipped with a bigger engine. In terms of performance, 2003 Alfa Romeo 166 (185 HP @ 6300 RPM) has 57 more horse power than 2004 Audi A4. (128 HP @ 4000 RPM). In normal driving conditions, 2003 Alfa Romeo 166 should accelerate faster than 2004 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A4 weights approximately 50 kg more than 2003 Alfa Romeo 166.
Because 2004 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, 2004 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, 2004 Audi A4 (320 Nm @ 1900 RPM) has 99 more torque (in Nm) than 2003 Alfa Romeo 166. (221 Nm @ 5000 RPM). This means 2004 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 | 2004 Audi A4 | |
| Make | Alfa Romeo | Audi |
| Model | 166 | A4 |
| Year Released | 2003 | 2004 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 1896 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 185 HP | 128 HP |
| Engine RPM | 6300 RPM | 4000 RPM |
| Torque | 221 Nm | 320 Nm |
| Torque RPM | 5000 RPM | 1900 RPM |
| Engine Compression Ratio | 10.3:1 | 19.0:1 |
| Top Speed | 220 km/hour | 205 km/hour |
| Acceleration 0-100mph | 8.4 seconds | 10.1 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1435 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 | 2660 mm |
| Fuel Consumption Overall | 11.9 L/100km | 6.4 L/100km |
| Fuel Tank Capacity | 69 L | 66 L |
