1999 Alfa Romeo 145 vs. 2001 Audi RS4
To start off, 2001 Audi RS4 is newer by 2 year(s). Which means there will be less support and parts availability for 1999 Alfa Romeo 145. In addition, the cost of maintenance, including insurance, on 1999 Alfa Romeo 145 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 273 more horse power than 1999 Alfa Romeo 145. (104 HP @ 6300 RPM) In normal driving conditions, 2001 Audi RS4 should accelerate faster than 1999 Alfa Romeo 145. With that said, vehicle weight also plays an important factor in acceleration. 2001 Audi RS4 weights approximately 450 kg more than 1999 Alfa Romeo 145. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2001 Audi RS4 is four wheel drive (4WD), it will have significant more traction and grip than 1999 Alfa Romeo 145. 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 325 more torque (in Nm) than 1999 Alfa Romeo 145. (124 Nm @ 4600 RPM). This means 2001 Audi RS4 will have an easier job in driving up hills or pulling heavy equipment than 1999 Alfa Romeo 145.
Compare all specifications:
| 1999 Alfa Romeo 145 | 2001 Audi RS4 | |
| Make | Alfa Romeo | Audi |
| Model | 145 | RS4 |
| Year Released | 1999 | 2001 |
| Engine Position | Front | Front |
| Engine Size | 1369 cc | 2671 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 104 HP | 377 HP |
| Engine RPM | 6300 RPM | 6300 RPM |
| Torque | 124 Nm | 449 Nm |
| Torque RPM | 4600 RPM | 2500 RPM |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 1135 kg | 1585 kg |
| Vehicle Length | 4070 mm | 4480 mm |
| Vehicle Width | 1720 mm | 1740 mm |
| Vehicle Height | 1440 mm | 1450 mm |
| Wheelbase Size | 2550 mm | 2610 mm |
| Fuel Tank Capacity | 51 L | 55 L |
