2003 Audi A8 vs. 2006 GMC Sierra
To start off, 2006 GMC Sierra is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Audi A8. In addition, the cost of maintenance, including insurance, on 2003 Audi A8 would be higher. At 5,358 cc (8 cylinders), 2006 GMC Sierra is equipped with a bigger engine. In terms of performance, 2006 GMC Sierra (295 HP @ 5200 RPM) has 79 more horse power than 2003 Audi A8. (216 HP @ 6300 RPM) In normal driving conditions, 2006 GMC Sierra should accelerate faster than 2003 Audi A8.
Let's talk about torque, 2006 GMC Sierra (454 Nm @ 4000 RPM) has 154 more torque (in Nm) than 2003 Audi A8. (300 Nm @ 3200 RPM). This means 2006 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2003 Audi A8.
Compare all specifications:
| 2003 Audi A8 | 2006 GMC Sierra | |
| Make | Audi | GMC |
| Model | A8 | Sierra |
| Year Released | 2003 | 2006 |
| Body Type | Sedan | Pickup |
| Engine Position | Front | Front |
| Engine Size | 2974 cc | 5358 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 216 HP | 295 HP |
| Engine RPM | 6300 RPM | 5200 RPM |
| Torque | 300 Nm | 454 Nm |
| Torque RPM | 3200 RPM | 4000 RPM |
| Engine Bore Size | 82.5 mm | 96 mm |
| Engine Stroke Size | 92.8 mm | 92 mm |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 5060 mm | 5850 mm |
| Vehicle Width | 1900 mm | 2000 mm |
| Vehicle Height | 1450 mm | 1810 mm |
| Wheelbase Size | 2950 mm | 3650 mm |
| Fuel Consumption | 7.2 L/100km | 11.2 L/100km |
| Fuel Consumption City | 13.7 L/100km | 13.1 L/100km |
| Fuel Consumption Overall | 9.6 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 90 L | 98 L |
