2009 Audi RS6 vs. 2008 Alfa Romeo 156
To start off, 2009 Audi RS6 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2008 Alfa Romeo 156 would be higher. At 4,991 cc (10 cylinders), 2009 Audi RS6 is equipped with a bigger engine. In terms of performance, 2009 Audi RS6 (572 HP @ 6250 RPM) has 424 more horse power than 2008 Alfa Romeo 156. (148 HP @ 6300 RPM). In normal driving conditions, 2009 Audi RS6 should accelerate faster than 2008 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi RS6 weights approximately 743 kg more than 2008 Alfa Romeo 156. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi RS6 is four wheel drive (4WD), it will have significant more traction and grip than 2008 Alfa Romeo 156. In wet, icy, snow, or gravel driving conditions, 2009 Audi RS6 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 RS6 (650 Nm @ 1500 RPM) has 468 more torque (in Nm) than 2008 Alfa Romeo 156. (182 Nm @ 3800 RPM). This means 2009 Audi RS6 will have an easier job in driving up hills or pulling heavy equipment than 2008 Alfa Romeo 156. 2009 Audi RS6 has automatic transmission and 2008 Alfa Romeo 156 has manual transmission. 2008 Alfa Romeo 156 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Audi RS6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi RS6 | 2008 Alfa Romeo 156 | |
| Make | Audi | Alfa Romeo |
| Model | RS6 | 156 |
| Year Released | 2009 | 2008 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4991 cc | 1970 cc |
| Engine Cylinders | 10 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 572 HP | 148 HP |
| Engine RPM | 6250 RPM | 6300 RPM |
| Torque | 650 Nm | 182 Nm |
| Torque RPM | 1500 RPM | 3800 RPM |
| Engine Bore Size | 84.5 mm | 83 mm |
| Engine Stroke Size | 89 mm | 91 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 280 km/hour | 214 km/hour |
| Acceleration 0-100mph | 4.6 seconds | 8.8 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 2028 kg | 1285 kg |
| Vehicle Length | 4930 mm | 4440 mm |
| Vehicle Width | 1900 mm | 1750 mm |
| Vehicle Height | 1470 mm | 1440 mm |
| Wheelbase Size | 2850 mm | 2600 mm |
| Fuel Consumption Overall | 14 L/100km | 8.7 L/100km |
| Fuel Tank Capacity | 80 L | 63 L |
