2009 Audi A8 vs. 2013 GMC Sierra
To start off, 2013 GMC Sierra is newer by 4 year(s). Which means there will be less support and parts availability for 2009 Audi A8. In addition, the cost of maintenance, including insurance, on 2009 Audi A8 would be higher. At 5,204 cc (10 cylinders), 2009 Audi A8 is equipped with a bigger engine. In terms of performance, 2009 Audi A8 (444 HP @ 7000 RPM) has 146 more horse power than 2013 GMC Sierra. (298 HP @ 5600 RPM). In normal driving conditions, 2009 Audi A8 should accelerate faster than 2013 GMC Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2013 GMC Sierra weights approximately 83 kg more than 2009 Audi A8.
Because 2009 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2013 GMC Sierra. In wet, icy, snow, or gravel driving conditions, 2009 Audi A8 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 A8 (540 Nm @ 3500 RPM) has 126 more torque (in Nm) than 2013 GMC Sierra. (414 Nm @ 4600 RPM). This means 2009 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2013 GMC Sierra.
Compare all specifications:
| 2009 Audi A8 | 2013 GMC Sierra | |
| Make | Audi | GMC |
| Model | A8 | Sierra |
| Year Released | 2009 | 2013 |
| Body Type | Sedan | Pickup |
| Engine Position | Front | Front |
| Engine Size | 5204 cc | 4800 cc |
| Engine Cylinders | 10 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 444 HP | 298 HP |
| Engine RPM | 7000 RPM | 5600 RPM |
| Torque | 540 Nm | 414 Nm |
| Torque RPM | 3500 RPM | 4600 RPM |
| Engine Bore Size | 84.5 mm | 96 mm |
| Engine Stroke Size | 92.8 mm | 83 mm |
| Fuel Type | Gasoline - Premium | Flex Fuel |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | 4-speed automatic |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1940 kg | 2023 kg |
| Vehicle Length | 5070 mm | 5222 mm |
| Vehicle Width | 1900 mm | 2031 mm |
| Vehicle Height | 1430 mm | 1869 mm |
| Wheelbase Size | 2950 mm | 3023 mm |
| Fuel Consumption Highway | 12.4 L/100km | 10.5 L/100km |
| Fuel Consumption City | 18.2 L/100km | 15.2 L/100km |
| Fuel Tank Capacity | 90 L | 98 L |
