2009 Audi S6 vs. 2006 GMC Sierra
To start off, 2009 Audi S6 is newer by 3 year(s). Which means there will be less support and parts availability for 2006 GMC Sierra. In addition, the cost of maintenance, including insurance, on 2006 GMC Sierra would be higher. At 5,358 cc (8 cylinders), 2006 GMC Sierra is equipped with a bigger engine. In terms of performance, 2009 Audi S6 (335 HP @ 7000 RPM) has 40 more horse power than 2006 GMC Sierra. (295 HP @ 5200 RPM). In normal driving conditions, 2009 Audi S6 should accelerate faster than 2006 GMC Sierra.
Let's talk about torque, 2006 GMC Sierra (454 Nm @ 4000 RPM) has 34 more torque (in Nm) than 2009 Audi S6. (420 Nm @ 3400 RPM). This means 2006 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi S6.
Compare all specifications:
| 2009 Audi S6 | 2006 GMC Sierra | |
| Make | Audi | GMC |
| Model | S6 | Sierra |
| Year Released | 2009 | 2006 |
| Body Type | Station Wagon | Pickup |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 5358 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 335 HP | 295 HP |
| Engine RPM | 7000 RPM | 5200 RPM |
| Torque | 420 Nm | 454 Nm |
| Torque RPM | 3400 RPM | 4000 RPM |
| Engine Bore Size | 84.6 mm | 96 mm |
| Engine Stroke Size | 93 mm | 92 mm |
| Engine Compression Ratio | 11.0:1 | 9.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline / Electric Hybrid |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Length | 4840 mm | 5850 mm |
| Vehicle Width | 1860 mm | 2000 mm |
| Vehicle Height | 1450 mm | 1810 mm |
| Wheelbase Size | 2770 mm | 3650 mm |
| Fuel Consumption Highway | 12.4 L/100km | 11.2 L/100km |
| Fuel Consumption City | 16.9 L/100km | 13.1 L/100km |
| Fuel Consumption Overall | 14.8 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 82 L | 98 L |
