2003 Alfa Romeo 166 vs. 2006 Audi A4
To start off, 2006 Audi A4 is newer by 3 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 2,967 cc (6 cylinders), 2006 Audi A4 is equipped with a bigger engine. In terms of performance, 2006 Audi A4 (222 HP @ 4000 RPM) has 74 more horse power than 2003 Alfa Romeo 166. (148 HP @ 4000 RPM) In normal driving conditions, 2006 Audi A4 should accelerate faster than 2003 Alfa Romeo 166. With that said, vehicle weight also plays an important factor in acceleration. 2003 Alfa Romeo 166 weights approximately 112 kg more than 2006 Audi A4.
Because 2006 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, 2006 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, 2006 Audi A4 (450 Nm @ 1400 RPM) has 150 more torque (in Nm) than 2003 Alfa Romeo 166. (300 Nm @ 1800 RPM). This means 2006 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2003 Alfa Romeo 166. 2006 Audi A4 has automatic transmission and 2003 Alfa Romeo 166 has manual transmission. 2003 Alfa Romeo 166 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Audi A4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Alfa Romeo 166 | 2006 Audi A4 | |
| Make | Alfa Romeo | Audi |
| Model | 166 | A4 |
| Year Released | 2003 | 2006 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2387 cc | 2967 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 148 HP | 222 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 300 Nm | 450 Nm |
| Torque RPM | 1800 RPM | 1400 RPM |
| Engine Bore Size | 82 mm | 83.1 mm |
| Engine Stroke Size | 90.4 mm | 91.4 mm |
| Engine Compression Ratio | 18.5:1 | 17.0:1 |
| Fuel Type | Diesel | Diesel |
| Acceleration 0-100mph | 9.9 seconds | 7.4 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1542 kg | 1430 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 | 7.6 L/100km |
| Fuel Tank Capacity | 69 L | 70 L |
