2007 Audi A6 vs. 2004 Alfa Romeo 166
To start off, 2007 Audi A6 is newer by 3 year(s). Which means there will be less support and parts availability for 2004 Alfa Romeo 166. In addition, the cost of maintenance, including insurance, on 2004 Alfa Romeo 166 would be higher. At 4,163 cc (8 cylinders), 2007 Audi A6 is equipped with a bigger engine. In terms of performance, 2007 Audi A6 (350 HP @ 6800 RPM) has 177 more horse power than 2004 Alfa Romeo 166. (173 HP @ 4000 RPM). In normal driving conditions, 2007 Audi A6 should accelerate faster than 2004 Alfa Romeo 166. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A6 weights approximately 165 kg more than 2004 Alfa Romeo 166. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2004 Alfa Romeo 166. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Audi A6 (441 Nm @ 3500 RPM) has 111 more torque (in Nm) than 2004 Alfa Romeo 166. (330 Nm @ 1750 RPM). This means 2007 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2004 Alfa Romeo 166.
Compare all specifications:
| 2007 Audi A6 | 2004 Alfa Romeo 166 | |
| Make | Audi | Alfa Romeo |
| Model | A6 | 166 |
| Year Released | 2007 | 2004 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 2387 cc |
| Engine Cylinders | 8 cylinders | 5 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 350 HP | 173 HP |
| Engine RPM | 6800 RPM | 4000 RPM |
| Torque | 441 Nm | 330 Nm |
| Torque RPM | 3500 RPM | 1750 RPM |
| Fuel Type | Diesel | Diesel |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1745 kg | 1580 kg |
| Vehicle Length | 4920 mm | 4730 mm |
| Vehicle Width | 2020 mm | 1810 mm |
| Vehicle Height | 1460 mm | 1420 mm |
| Wheelbase Size | 2850 mm | 2710 mm |
| Fuel Consumption Highway | 9.6 L/100km | 6.9 L/100km |
| Fuel Consumption City | 13.2 L/100km | 12.1 L/100km |
| Fuel Consumption Overall | 11.9 L/100km | 8.9 L/100km |
| Fuel Tank Capacity | 80 L | 69 L |
