2009 Alfa Romeo 159 vs. 2009 Audi A4
To start off, both 2009 Alfa Romeo 159 and 2009 Audi A4 were released in the same year (2009). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,967 cc (6 cylinders), 2009 Audi A4 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (230 HP @ 4000 RPM) has 33 more horse power than 2009 Alfa Romeo 159. (197 HP @ 4000 RPM) In normal driving conditions, 2009 Audi A4 should accelerate faster than 2009 Alfa Romeo 159. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A4 weights approximately 39 kg more than 2009 Alfa Romeo 159. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Alfa Romeo 159. In wet, icy, snow, or gravel driving conditions, 2009 Audi A4 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, 2009 Audi A4 (450 Nm @ 1400 RPM) has 50 more torque (in Nm) than 2009 Alfa Romeo 159. (400 Nm @ 2000 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2009 Alfa Romeo 159.
Compare all specifications:
| 2009 Alfa Romeo 159 | 2009 Audi A4 | |
| Make | Alfa Romeo | Audi |
| Model | 159 | A4 |
| Year Released | 2009 | 2009 |
| Body Type | Station Wagon | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2387 cc | 2967 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 197 HP | 230 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 400 Nm | 450 Nm |
| Torque RPM | 2000 RPM | 1400 RPM |
| Engine Bore Size | 82 mm | 83 mm |
| Engine Stroke Size | 90.4 mm | 91.4 mm |
| Engine Compression Ratio | 17.0:1 | 17.0:1 |
| Fuel Type | Diesel | Diesel |
| Top Speed | 226 km/hour | 242 km/hour |
| Acceleration 0-100mph | 8.6 seconds | 7.3 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1755 kg | 1794 kg |
| Vehicle Length | 4670 mm | 4580 mm |
| Vehicle Width | 1840 mm | 1780 mm |
| Vehicle Height | 1460 mm | 1400 mm |
| Wheelbase Size | 2710 mm | 2660 mm |
| Fuel Consumption Overall | 7 L/100km | 8 L/100km |
| Fuel Tank Capacity | 70 L | 63 L |
