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 3,123 cc (6 cylinders), 2007 Audi A6 is equipped with a bigger engine. In terms of performance, 2007 Audi A6 (252 HP @ 6500 RPM) has 80 more horse power than 2004 Alfa Romeo 166. (172 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. 2004 Alfa Romeo 166 weights approximately 340 kg more than 2007 Audi A6.
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, 2004 Alfa Romeo 166 (385 Nm @ 2000 RPM) has 55 more torque (in Nm) than 2007 Audi A6. (330 Nm @ 3250 RPM). This means 2004 Alfa Romeo 166 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A6.
Compare all specifications:
| 2007 Audi A6 | 2004 Alfa Romeo 166 | |
| Make | Audi | Alfa Romeo |
| Model | A6 | 166 |
| Year Released | 2007 | 2004 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 2387 cc |
| Engine Cylinders | 6 cylinders | 5 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 252 HP | 172 HP |
| Engine RPM | 6500 RPM | 4000 RPM |
| Torque | 330 Nm | 385 Nm |
| Torque RPM | 3250 RPM | 2000 RPM |
| Engine Bore Size | 84.5 mm | 82.1 mm |
| Engine Stroke Size | 92.8 mm | 90.4 mm |
| Engine Compression Ratio | 13.0:1 | 18.5:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Acceleration 0-100mph | 7.3 seconds | 8.9 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1275 kg | 1615 kg |
| Vehicle Length | 4800 mm | 4730 mm |
| Vehicle Width | 1860 mm | 1810 mm |
| Vehicle Height | 1460 mm | 1420 mm |
| Wheelbase Size | 2770 mm | 2710 mm |
| Fuel Consumption Overall | 11 L/100km | 7.2 L/100km |
| Fuel Tank Capacity | 70 L | 72 L |
