2002 Audi A8 vs. 2004 GMC Sierra
To start off, 2004 GMC Sierra is newer by 2 year(s). Which means there will be less support and parts availability for 2002 Audi A8. In addition, the cost of maintenance, including insurance, on 2002 Audi A8 would be higher. At 5,965 cc (8 cylinders), 2004 GMC Sierra is equipped with a bigger engine. In terms of performance, 2004 GMC Sierra (300 HP) has 29 more horse power than 2002 Audi A8. (271 HP) In normal driving conditions, 2004 GMC Sierra should accelerate faster than 2002 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2004 GMC Sierra weights approximately 342 kg more than 2002 Audi A8. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2004 GMC Sierra (488 Nm) has 263 more torque (in Nm) than 2002 Audi A8. (225 Nm). This means 2004 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2002 Audi A8. 2002 Audi A8 has automatic transmission and 2004 GMC Sierra has manual transmission. 2004 GMC Sierra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2002 Audi A8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2002 Audi A8 | 2004 GMC Sierra | |
| Make | Audi | GMC |
| Model | A8 | Sierra |
| Year Released | 2002 | 2004 |
| Body Type | Sedan | Pickup |
| Engine Position | Front | Front |
| Engine Size | 3936 cc | 5965 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 271 HP | 300 HP |
| Torque | 225 Nm | 488 Nm |
| Engine Bore Size | 81 mm | 102.1 mm |
| Engine Stroke Size | 95.5 mm | 92 mm |
| Engine Compression Ratio | 18.0:1 | 9.4:1 |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 3 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1940 kg | 2282 kg |
| Vehicle Length | 5060 mm | 5650 mm |
| Vehicle Width | 1900 mm | 2000 mm |
| Vehicle Height | 1450 mm | 1890 mm |
| Wheelbase Size | 2950 mm | 3380 mm |
| Fuel Tank Capacity | 90 L | 129 L |
