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 2,387 cc (5 cylinders), 2003 Alfa Romeo 166 is equipped with a bigger engine. In terms of performance, both vehicles can yield 148 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. 2003 Alfa Romeo 166 weights approximately 167 kg more than 2005 Audi A4.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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, 2003 Alfa Romeo 166 (300 Nm @ 1800 RPM) has 90 more torque (in Nm) than 2005 Audi A4. (210 Nm @ 1750 RPM). This means 2003 Alfa Romeo 166 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A4.
Compare all specifications:
| 2003 Alfa Romeo 166 | 2005 Audi A4 | |
| Make | Alfa Romeo | Audi |
| Model | 166 | A4 |
| Year Released | 2003 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2387 cc | 1781 cc |
| Engine Cylinders | 5 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 5 valves |
| Horse Power | 148 HP | 148 HP |
| Engine RPM | 4000 RPM | 5700 RPM |
| Torque | 300 Nm | 210 Nm |
| Torque RPM | 1800 RPM | 1750 RPM |
| Engine Bore Size | 82 mm | 81.1 mm |
| Engine Stroke Size | 90.4 mm | 86.4 mm |
| Engine Compression Ratio | 18.5:1 | 9.3:1 |
| Acceleration 0-100mph | 9.9 seconds | 9.1 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1542 kg | 1375 kg |
| Vehicle Length | 4730 mm | 4550 mm |
| Vehicle Width | 1810 mm | 1780 mm |
| Vehicle Height | 1420 mm | 1430 mm |
| Wheelbase Size | 2600 mm | 2660 mm |
| Fuel Consumption Overall | 7.5 L/100km | 8.2 L/100km |
| Fuel Tank Capacity | 69 L | 70 L |
