2005 Audi A6 vs. 2004 Alfa Romeo 166
To start off, 2005 Audi A6 is newer by 1 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 2,393 cc (6 cylinders), 2005 Audi A6 is equipped with a bigger engine. In terms of performance, 2005 Audi A6 (178 HP @ 4000 RPM) has 5 more horse power than 2004 Alfa Romeo 166. (173 HP @ 4000 RPM). In normal driving conditions, 2005 Audi A6 should accelerate faster than 2004 Alfa Romeo 166. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A6 weights approximately 150 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 2005 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, 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, 2005 Audi A6 (370 Nm @ 1500 RPM) has 40 more torque (in Nm) than 2004 Alfa Romeo 166. (330 Nm @ 1750 RPM). This means 2005 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2004 Alfa Romeo 166. 2004 Alfa Romeo 166 has automatic transmission and 2005 Audi A6 has manual transmission. 2005 Audi A6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 Alfa Romeo 166 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Audi A6 | 2004 Alfa Romeo 166 | |
| Make | Audi | Alfa Romeo |
| Model | A6 | 166 |
| Year Released | 2005 | 2004 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2393 cc | 2387 cc |
| Engine Cylinders | 6 cylinders | 5 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 178 HP | 173 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 370 Nm | 330 Nm |
| Torque RPM | 1500 RPM | 1750 RPM |
| Engine Compression Ratio | 19.0:1 | 18.0:1 |
| Fuel Type | Diesel | Diesel |
| Top Speed | 221 km/hour | 213 km/hour |
| Acceleration 0-100mph | 9.1 seconds | 8.9 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1730 kg | 1580 kg |
| Vehicle Length | 4800 mm | 4730 mm |
| Vehicle Width | 1820 mm | 1810 mm |
| Vehicle Height | 1460 mm | 1420 mm |
| Wheelbase Size | 2660 mm | 2710 mm |
| Fuel Consumption Overall | 8.3 L/100km | 8.9 L/100km |
| Fuel Tank Capacity | 70 L | 69 L |
