2007 Audi A6 vs. 2009 GMC Sierra
To start off, 2009 GMC Sierra is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Audi A6. In addition, the cost of maintenance, including insurance, on 2007 Audi A6 would be higher. At 5,967 cc (8 cylinders), 2009 GMC Sierra is equipped with a bigger engine. In terms of performance, 2009 GMC Sierra (327 HP) has 159 more horse power than 2007 Audi A6. (168 HP) In normal driving conditions, 2009 GMC Sierra should accelerate faster than 2007 Audi A6.
Because 2009 GMC Sierra is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2009 GMC Sierra. However, in wet, icy, snow, or gravel driving conditions, 2007 Audi A6, being front wheel drive (FWD), will offer much better control with better grip. 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 GMC Sierra (367 Nm @ 4100 RPM) has 87 more torque (in Nm) than 2007 Audi A6. (280 Nm @ 1800 RPM). This means 2009 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A6. 2009 GMC Sierra has automatic transmission and 2007 Audi A6 has manual transmission. 2007 Audi A6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 GMC Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Audi A6 | 2009 GMC Sierra | |
| Make | Audi | GMC |
| Model | A6 | Sierra |
| Year Released | 2007 | 2009 |
| Body Type | Station Wagon | Pickup |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 5967 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 168 HP | 327 HP |
| Torque | 280 Nm | 367 Nm |
| Torque RPM | 1800 RPM | 4100 RPM |
| Engine Compression Ratio | 11.5:1 | 10.8:1 |
| Fuel Type | Gasoline - Premium | Gasoline / Electric Hybrid |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Length | 4800 mm | 5850 mm |
| Vehicle Height | 1460 mm | 1910 mm |
| Wheelbase Size | 2770 mm | 2950 mm |
| Fuel Tank Capacity | 70 L | 98 L |
