2005 Audi A8 vs. 2007 GMC Sierra
To start off, 2007 GMC Sierra is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Audi A8. In addition, the cost of maintenance, including insurance, on 2005 Audi A8 would be higher. At 5,999 cc (8 cylinders), 2007 GMC Sierra is equipped with a bigger engine. In terms of performance, 2007 GMC Sierra (300 HP @ 4400 RPM) has 24 more horse power than 2005 Audi A8. (276 HP @ 3750 RPM) In normal driving conditions, 2007 GMC Sierra should accelerate faster than 2005 Audi A8.
Let's talk about torque, 2005 Audi A8 (650 Nm @ 1800 RPM) has 162 more torque (in Nm) than 2007 GMC Sierra. (488 Nm @ 4000 RPM). This means 2005 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2007 GMC Sierra.
Compare all specifications:
| 2005 Audi A8 | 2007 GMC Sierra | |
| Make | Audi | GMC |
| Model | A8 | Sierra |
| Year Released | 2005 | 2007 |
| Body Type | Sedan | Pickup |
| Engine Position | Front | Front |
| Engine Size | 3934 cc | 5999 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 276 HP | 300 HP |
| Engine RPM | 3750 RPM | 4400 RPM |
| Torque | 650 Nm | 488 Nm |
| Torque RPM | 1800 RPM | 4000 RPM |
| Engine Bore Size | 81 mm | 102 mm |
| Engine Stroke Size | 95.5 mm | 92 mm |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 5060 mm | 6570 mm |
| Vehicle Width | 1900 mm | 2450 mm |
| Vehicle Height | 1450 mm | 1970 mm |
| Wheelbase Size | 2950 mm | 4250 mm |
| Fuel Tank Capacity | 90 L | 132 L |
