1998 Audi S8 vs. 2005 GMC Sierra
To start off, 2005 GMC Sierra is newer by 7 year(s). Which means there will be less support and parts availability for 1998 Audi S8. In addition, the cost of maintenance, including insurance, on 1998 Audi S8 would be higher. At 5,965 cc (8 cylinders), 2005 GMC Sierra is equipped with a bigger engine. In terms of performance, 1998 Audi S8 (335 HP) has 34 more horse power than 2005 GMC Sierra. (301 HP). In normal driving conditions, 1998 Audi S8 should accelerate faster than 2005 GMC Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2005 GMC Sierra weights approximately 953 kg more than 1998 Audi S8.
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, 1998 Audi S8 (557 Nm) has 69 more torque (in Nm) than 2005 GMC Sierra. (488 Nm). This means 1998 Audi S8 will have an easier job in driving up hills or pulling heavy equipment than 2005 GMC Sierra.
Compare all specifications:
| 1998 Audi S8 | 2005 GMC Sierra | |
| Make | Audi | GMC |
| Model | S8 | Sierra |
| Year Released | 1998 | 2005 |
| Body Type | Sedan | Pickup |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 5965 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 335 HP | 301 HP |
| Torque | 557 Nm | 488 Nm |
| Engine Bore Size | 84.6 mm | 102 mm |
| Engine Stroke Size | 93 mm | 92 mm |
| Drive Type | AWD | 4WD |
| Number of Seats | 5 seats | 3 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1725 kg | 2678 kg |
| Vehicle Length | 5040 mm | 5650 mm |
| Vehicle Width | 1890 mm | 2450 mm |
| Vehicle Height | 1430 mm | 1950 mm |
| Wheelbase Size | 2890 mm | 3380 mm |
