2001 Alfa Romeo 145 vs. 2005 Audi A4
To start off, 2005 Audi A4 is newer by 4 year(s). Which means there will be less support and parts availability for 2001 Alfa Romeo 145. In addition, the cost of maintenance, including insurance, on 2001 Alfa Romeo 145 would be higher. At 2,391 cc (6 cylinders), 2005 Audi A4 is equipped with a bigger engine. In terms of performance, 2005 Audi A4 (168 HP @ 6000 RPM) has 65 more horse power than 2001 Alfa Romeo 145. (103 HP @ 6300 RPM) In normal driving conditions, 2005 Audi A4 should accelerate faster than 2001 Alfa Romeo 145. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 220 kg more than 2001 Alfa Romeo 145. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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 A4 (230 Nm @ 3200 RPM) has 105 more torque (in Nm) than 2001 Alfa Romeo 145. (125 Nm @ 4600 RPM). This means 2005 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2001 Alfa Romeo 145.
Compare all specifications:
| 2001 Alfa Romeo 145 | 2005 Audi A4 | |
| Make | Alfa Romeo | Audi |
| Model | 145 | A4 |
| Year Released | 2001 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1370 cc | 2391 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 103 HP | 168 HP |
| Engine RPM | 6300 RPM | 6000 RPM |
| Torque | 125 Nm | 230 Nm |
| Torque RPM | 4600 RPM | 3200 RPM |
| Engine Bore Size | 82 mm | 81 mm |
| Engine Stroke Size | 64.9 mm | 77.4 mm |
| Engine Compression Ratio | 10.5:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Acceleration 0-100mph | 11.2 seconds | 9.1 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 1275 kg | 1495 kg |
| Vehicle Length | 4100 mm | 4550 mm |
| Vehicle Width | 1720 mm | 1780 mm |
| Vehicle Height | 1440 mm | 1430 mm |
| Wheelbase Size | 2600 mm | 2580 mm |
| Fuel Consumption Overall | 11.7 L/100km | 9.6 L/100km |
| Fuel Tank Capacity | 51 L | 70 L |
