2007 Alfa Romeo 166 vs. 2001 Audi RS4
To start off, 2007 Alfa Romeo 166 is newer by 6 year(s). Which means there will be less support and parts availability for 2001 Audi RS4. In addition, the cost of maintenance, including insurance, on 2001 Audi RS4 would be higher. At 2,671 cc (6 cylinders), 2001 Audi RS4 is equipped with a bigger engine. In terms of performance, 2001 Audi RS4 (377 HP @ 6300 RPM) has 199 more horse power than 2007 Alfa Romeo 166. (178 HP @ 4000 RPM) In normal driving conditions, 2001 Audi RS4 should accelerate faster than 2007 Alfa Romeo 166. With that said, vehicle weight also plays an important factor in acceleration. 2007 Alfa Romeo 166 weights approximately 30 kg more than 2001 Audi RS4.
Because 2001 Audi RS4 is four wheel drive (4WD), it will have significant more traction and grip than 2007 Alfa Romeo 166. In wet, icy, snow, or gravel driving conditions, 2001 Audi RS4 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, 2001 Audi RS4 (449 Nm @ 2500 RPM) has 64 more torque (in Nm) than 2007 Alfa Romeo 166. (385 Nm @ 2000 RPM). This means 2001 Audi RS4 will have an easier job in driving up hills or pulling heavy equipment than 2007 Alfa Romeo 166.
Compare all specifications:
| 2007 Alfa Romeo 166 | 2001 Audi RS4 | |
| Make | Alfa Romeo | Audi |
| Model | 166 | RS4 |
| Year Released | 2007 | 2001 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2387 cc | 2671 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 178 HP | 377 HP |
| Engine RPM | 4000 RPM | 6300 RPM |
| Torque | 385 Nm | 449 Nm |
| Torque RPM | 2000 RPM | 2500 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1615 kg | 1585 kg |
| Vehicle Length | 4730 mm | 4480 mm |
| Vehicle Width | 1810 mm | 1740 mm |
| Vehicle Height | 1420 mm | 1450 mm |
| Wheelbase Size | 2710 mm | 2610 mm |
| Fuel Tank Capacity | 69 L | 55 L |
