2004 Alfa Romeo 156 vs. 2009 Audi RS6
To start off, 2009 Audi RS6 is newer by 5 year(s). Which means there will be less support and parts availability for 2004 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2004 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 434 more horse power than 2004 Alfa Romeo 156. (138 HP @ 4000 RPM) In normal driving conditions, 2009 Audi RS6 should accelerate faster than 2004 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi RS6 weights approximately 598 kg more than 2004 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 2004 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 345 more torque (in Nm) than 2004 Alfa Romeo 156. (305 Nm @ 2000 RPM). This means 2009 Audi RS6 will have an easier job in driving up hills or pulling heavy equipment than 2004 Alfa Romeo 156. 2009 Audi RS6 has automatic transmission and 2004 Alfa Romeo 156 has manual transmission. 2004 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:
| 2004 Alfa Romeo 156 | 2009 Audi RS6 | |
| Make | Alfa Romeo | Audi |
| Model | 156 | RS6 |
| Year Released | 2004 | 2009 |
| Body Type | Station Wagon | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1910 cc | 4991 cc |
| Engine Cylinders | 4 cylinders | 10 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 572 HP |
| Engine RPM | 4000 RPM | 6250 RPM |
| Torque | 305 Nm | 650 Nm |
| Torque RPM | 2000 RPM | 1500 RPM |
| Engine Bore Size | 82.1 mm | 84.5 mm |
| Engine Stroke Size | 90.4 mm | 89 mm |
| Engine Compression Ratio | 18.4:1 | 10.5:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Acceleration 0-100mph | 9.7 seconds | 4.6 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1430 kg | 2028 kg |
| Vehicle Length | 4450 mm | 4930 mm |
| Vehicle Width | 1750 mm | 1900 mm |
| Vehicle Height | 1400 mm | 1470 mm |
| Wheelbase Size | 2710 mm | 2850 mm |
| Fuel Consumption Overall | 6.1 L/100km | 14 L/100km |
| Fuel Tank Capacity | 63 L | 80 L |
