1991 Alfa Romeo Proteo vs. 2009 Audi A4
To start off, 2009 Audi A4 is newer by 18 year(s). Which means there will be less support and parts availability for 1991 Alfa Romeo Proteo. In addition, the cost of maintenance, including insurance, on 1991 Alfa Romeo Proteo would be higher. At 2,959 cc (6 cylinders), 1991 Alfa Romeo Proteo is equipped with a bigger engine. In terms of performance, 1991 Alfa Romeo Proteo (256 HP @ 7200 RPM) has 95 more horse power than 2009 Audi A4. (161 HP @ 5700 RPM). In normal driving conditions, 1991 Alfa Romeo Proteo should accelerate faster than 2009 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A4 weights approximately 70 kg more than 1991 Alfa Romeo Proteo.
Because 1991 Alfa Romeo Proteo is four wheel drive (4WD), it will have significant more traction and grip than 2009 Audi A4. In wet, icy, snow, or gravel driving conditions, 1991 Alfa Romeo Proteo 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.
Compare all specifications:
| 1991 Alfa Romeo Proteo | 2009 Audi A4 | |
| Make | Alfa Romeo | Audi |
| Model | Proteo | A4 |
| Year Released | 1991 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 2959 cc | 1779 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 256 HP | 161 HP |
| Engine RPM | 7200 RPM | 5700 RPM |
| Engine Bore Size | 93.1 mm | 81 mm |
| Engine Stroke Size | 72.6 mm | 86.4 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1470 kg | 1540 kg |
| Vehicle Length | 4150 mm | 4580 mm |
