2000 Audi RS4 vs. 1999 Alfa Romeo 166
To start off, 2000 Audi RS4 is newer by 1 year(s). Which means there will be less support and parts availability for 1999 Alfa Romeo 166. In addition, the cost of maintenance, including insurance, on 1999 Alfa Romeo 166 would be higher. At 2,959 cc (6 cylinders), 1999 Alfa Romeo 166 is equipped with a bigger engine. In terms of performance, 2000 Audi RS4 (376 HP @ 6300 RPM) has 150 more horse power than 1999 Alfa Romeo 166. (226 HP @ 6200 RPM). In normal driving conditions, 2000 Audi RS4 should accelerate faster than 1999 Alfa Romeo 166. With that said, vehicle weight also plays an important factor in acceleration. 2000 Audi RS4 weights approximately 75 kg more than 1999 Alfa Romeo 166. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2000 Audi RS4 is four wheel drive (4WD), it will have significant more traction and grip than 1999 Alfa Romeo 166. In wet, icy, snow, or gravel driving conditions, 2000 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, 2000 Audi RS4 (449 Nm @ 2500 RPM) has 174 more torque (in Nm) than 1999 Alfa Romeo 166. (275 Nm @ 5000 RPM). This means 2000 Audi RS4 will have an easier job in driving up hills or pulling heavy equipment than 1999 Alfa Romeo 166.
Compare all specifications:
| 2000 Audi RS4 | 1999 Alfa Romeo 166 | |
| Make | Audi | Alfa Romeo |
| Model | RS4 | 166 |
| Year Released | 2000 | 1999 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2669 cc | 2959 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 376 HP | 226 HP |
| Engine RPM | 6300 RPM | 6200 RPM |
| Torque | 449 Nm | 275 Nm |
| Torque RPM | 2500 RPM | 5000 RPM |
| Engine Bore Size | 81 mm | 93 mm |
| Engine Stroke Size | 86.4 mm | 72.6 mm |
| Engine Compression Ratio | 9.0:1 | 10.0:1 |
| Top Speed | 249 km/hour | 243 km/hour |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1585 kg | 1510 kg |
| Vehicle Length | 4530 mm | 4730 mm |
| Vehicle Width | 1810 mm | 1820 mm |
| Vehicle Height | 1390 mm | 1420 mm |
| Wheelbase Size | 2610 mm | 2710 mm |
| Fuel Tank Capacity | 55 L | 72 L |
