2004 Audi A8 vs. 2007 GMC Sierra
To start off, 2007 GMC Sierra is newer by 3 year(s). Which means there will be less support and parts availability for 2004 Audi A8. In addition, the cost of maintenance, including insurance, on 2004 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 2004 Audi A8. (276 HP @ 6000 RPM) In normal driving conditions, 2007 GMC Sierra should accelerate faster than 2004 Audi A8.
Let's talk about torque, 2007 GMC Sierra (488 Nm @ 4000 RPM) has 128 more torque (in Nm) than 2004 Audi A8. (360 Nm @ 3750 RPM). This means 2007 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A8.
Compare all specifications:
| 2004 Audi A8 | 2007 GMC Sierra | |
| Make | Audi | GMC |
| Model | A8 | Sierra |
| Year Released | 2004 | 2007 |
| Body Type | Sedan | Pickup |
| Engine Position | Front | Front |
| Engine Size | 3697 cc | 5999 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 276 HP | 300 HP |
| Engine RPM | 6000 RPM | 4400 RPM |
| Torque | 360 Nm | 488 Nm |
| Torque RPM | 3750 RPM | 4000 RPM |
| Engine Bore Size | 84.6 mm | 102 mm |
| Engine Stroke Size | 82.4 mm | 92 mm |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Length | 5060 mm | 6330 mm |
| Vehicle Width | 1900 mm | 2450 mm |
| Vehicle Height | 1450 mm | 1940 mm |
| Wheelbase Size | 2850 mm | 4010 mm |
| Fuel Tank Capacity | 90 L | 129 L |
