2008 GMC Sierra vs. 2011 Audi S5
To start off, 2011 Audi S5 is newer by 3 year(s). Which means there will be less support and parts availability for 2008 GMC Sierra. In addition, the cost of maintenance, including insurance, on 2008 GMC Sierra would be higher. At 5,999 cc (8 cylinders), 2008 GMC Sierra is equipped with a bigger engine. In terms of performance, 2011 Audi S5 (354 HP @ 7000 RPM) has 1 more horse power than 2008 GMC Sierra. (353 HP @ 5400 RPM) In normal driving conditions, 2011 Audi S5 should accelerate faster than 2008 GMC Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2008 GMC Sierra weights approximately 914 kg more than 2011 Audi S5.
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 GMC Sierra (506 Nm @ 4400 RPM) has 66 more torque (in Nm) than 2011 Audi S5. (440 Nm @ 3500 RPM). This means 2008 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2011 Audi S5. 2008 GMC Sierra has automatic transmission and 2011 Audi S5 has manual transmission. 2011 Audi S5 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 GMC Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 GMC Sierra | 2011 Audi S5 | |
| Make | GMC | Audi |
| Model | Sierra | S5 |
| Year Released | 2008 | 2011 |
| Body Type | Pickup | Coupe |
| Engine Position | Front | Front |
| Engine Size | 5999 cc | 4200 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 353 HP | 354 HP |
| Engine RPM | 5400 RPM | 7000 RPM |
| Torque | 506 Nm | 440 Nm |
| Torque RPM | 4400 RPM | 3500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | AWD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 3 seats | 5 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 2664 kg | 1750 kg |
| Vehicle Length | 5710 mm | 4625 mm |
| Vehicle Width | 2040 mm | 1854 mm |
| Vehicle Height | 1940 mm | 1372 mm |
| Wheelbase Size | 3380 mm | 2751 mm |
| Fuel Tank Capacity | 129 L | 63 L |
