2009 Alfa Romeo 159 vs. 2009 Audi RS4
To start off, both 2009 Alfa Romeo 159 and 2009 Audi RS4 were released in the same year (2009). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 4,163 cc (8 cylinders), 2009 Audi RS4 is equipped with a bigger engine. In terms of performance, 2009 Audi RS4 (414 HP @ 7800 RPM) has 206 more horse power than 2009 Alfa Romeo 159. (208 HP @ 4000 RPM) In normal driving conditions, 2009 Audi RS4 should accelerate faster than 2009 Alfa Romeo 159. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi RS4 weights approximately 125 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 RS4 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 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, 2009 Audi RS4 (430 Nm @ 5500 RPM) has 30 more torque (in Nm) than 2009 Alfa Romeo 159. (400 Nm @ 1500 RPM). This means 2009 Audi RS4 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 RS4 | |
| Make | Alfa Romeo | Audi |
| Model | 159 | RS4 |
| Year Released | 2009 | 2009 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2387 cc | 4163 cc |
| Engine Cylinders | 5 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 208 HP | 414 HP |
| Engine RPM | 4000 RPM | 7800 RPM |
| Torque | 400 Nm | 430 Nm |
| Torque RPM | 1500 RPM | 5500 RPM |
| Engine Bore Size | 82 mm | 84.5 mm |
| Engine Stroke Size | 90.4 mm | 92.8 mm |
| Engine Compression Ratio | 17.0:1 | 12.5:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 231 km/hour | 250 km/hour |
| Acceleration 0-100mph | 8.1 seconds | 4.9 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1720 kg | 1845 kg |
| Vehicle Length | 4670 mm | 4560 mm |
| Vehicle Width | 1840 mm | 1820 mm |
| Vehicle Height | 1430 mm | 1400 mm |
| Wheelbase Size | 2710 mm | 2660 mm |
| Fuel Consumption Overall | 6.8 L/100km | 14.1 L/100km |
| Fuel Tank Capacity | 70 L | 63 L |
