2005 Audi RS6 vs. 2008 Alfa Romeo 156
To start off, 2008 Alfa Romeo 156 is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Audi RS6. In addition, the cost of maintenance, including insurance, on 2005 Audi RS6 would be higher. At 4,171 cc (8 cylinders), 2005 Audi RS6 is equipped with a bigger engine. In terms of performance, 2005 Audi RS6 (444 HP @ 5700 RPM) has 255 more horse power than 2008 Alfa Romeo 156. (189 HP @ 6300 RPM). In normal driving conditions, 2005 Audi RS6 should accelerate faster than 2008 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi RS6 weights approximately 470 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 2005 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, 2005 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, 2005 Audi RS6 (560 Nm @ 1950 RPM) has 342 more torque (in Nm) than 2008 Alfa Romeo 156. (218 Nm @ 5000 RPM). This means 2005 Audi RS6 will have an easier job in driving up hills or pulling heavy equipment than 2008 Alfa Romeo 156. 2005 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. 2005 Audi RS6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Audi RS6 | 2008 Alfa Romeo 156 | |
| Make | Audi | Alfa Romeo |
| Model | RS6 | 156 |
| Year Released | 2005 | 2008 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4171 cc | 2490 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 444 HP | 189 HP |
| Engine RPM | 5700 RPM | 6300 RPM |
| Torque | 560 Nm | 218 Nm |
| Torque RPM | 1950 RPM | 5000 RPM |
| Acceleration 0-100mph | 4.7 seconds | 7.3 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1825 kg | 1355 kg |
| Vehicle Length | 4800 mm | 4440 mm |
| Vehicle Height | 1460 mm | 1440 mm |
| Wheelbase Size | 2770 mm | 2600 mm |
| Fuel Consumption Overall | 14.6 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 82 L | 63 L |
