2005 Alfa Romeo 156 vs. 2008 Audi RS6
To start off, 2008 Audi RS6 is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2005 Alfa Romeo 156 would be higher. At 4,172 cc (8 cylinders), 2008 Audi RS6 is equipped with a bigger engine. In terms of performance, 2008 Audi RS6 (444 HP @ 5700 RPM) has 197 more horse power than 2005 Alfa Romeo 156. (247 HP @ 6200 RPM) In normal driving conditions, 2008 Audi RS6 should accelerate faster than 2005 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi RS6 weights approximately 545 kg more than 2005 Alfa Romeo 156. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Audi RS6 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Alfa Romeo 156. In wet, icy, snow, or gravel driving conditions, 2008 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, 2008 Audi RS6 (560 Nm @ 1950 RPM) has 255 more torque (in Nm) than 2005 Alfa Romeo 156. (305 Nm @ 4800 RPM). This means 2008 Audi RS6 will have an easier job in driving up hills or pulling heavy equipment than 2005 Alfa Romeo 156. 2008 Audi RS6 has automatic transmission and 2005 Alfa Romeo 156 has manual transmission. 2005 Alfa Romeo 156 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Audi RS6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Alfa Romeo 156 | 2008 Audi RS6 | |
| Make | Alfa Romeo | Audi |
| Model | 156 | RS6 |
| Year Released | 2005 | 2008 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 3179 cc | 4172 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 247 HP | 444 HP |
| Engine RPM | 6200 RPM | 5700 RPM |
| Torque | 305 Nm | 560 Nm |
| Torque RPM | 4800 RPM | 1950 RPM |
| Engine Bore Size | 93 mm | 84.5 mm |
| Engine Stroke Size | 78 mm | 93 mm |
| Engine Compression Ratio | 10.5:1 | 9.0:1 |
| Top Speed | 250 km/hour | 250 km/hour |
| Acceleration 0-100mph | 6.3 seconds | 4.7 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1410 kg | 1955 kg |
| Vehicle Length | 4440 mm | 4840 mm |
| Vehicle Width | 1770 mm | 1860 mm |
| Vehicle Height | 1410 mm | 1400 mm |
| Wheelbase Size | 2600 mm | 2770 mm |
| Fuel Consumption Overall | 12.3 L/100km | 14.8 L/100km |
| Fuel Tank Capacity | 63 L | 82 L |
