2003 Alfa Romeo 166 vs. 2005 Audi A6
To start off, 2005 Audi A6 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 3,123 cc (6 cylinders), 2005 Audi A6 is equipped with a bigger engine. In terms of performance, 2005 Audi A6 (252 HP @ 6500 RPM) has 80 more horse power than 2003 Alfa Romeo 166. (172 HP @ 4000 RPM) In normal driving conditions, 2005 Audi A6 should accelerate faster than 2003 Alfa Romeo 166. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A6 weights approximately 65 kg more than 2003 Alfa Romeo 166. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Audi A6 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 A6 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, 2003 Alfa Romeo 166 (385 Nm @ 2000 RPM) has 54 more torque (in Nm) than 2005 Audi A6. (331 Nm @ 3250 RPM). This means 2003 Alfa Romeo 166 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A6. 2005 Audi A6 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. 2005 Audi A6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Alfa Romeo 166 | 2005 Audi A6 | |
| Make | Alfa Romeo | Audi |
| Model | 166 | A6 |
| Year Released | 2003 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2387 cc | 3123 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 172 HP | 252 HP |
| Engine RPM | 4000 RPM | 6500 RPM |
| Torque | 385 Nm | 331 Nm |
| Torque RPM | 2000 RPM | 3250 RPM |
| Engine Bore Size | 82.1 mm | 84.5 mm |
| Engine Stroke Size | 90.4 mm | 92.8 mm |
| Fuel Type | Diesel | Gasoline - Premium |
| Acceleration 0-100mph | 8.9 seconds | 7.1 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1615 kg | 1680 kg |
| Vehicle Length | 4730 mm | 4920 mm |
| Vehicle Width | 1810 mm | 1860 mm |
| Vehicle Height | 1420 mm | 1470 mm |
| Wheelbase Size | 2710 mm | 2770 mm |
| Fuel Consumption Overall | 7.2 L/100km | 10.9 L/100km |
| Fuel Tank Capacity | 72 L | 80 L |
