1998 Audi A8 vs. 2007 GMC Sierra
To start off, 2007 GMC Sierra is newer by 9 year(s). Which means there will be less support and parts availability for 1998 Audi A8. In addition, the cost of maintenance, including insurance, on 1998 Audi A8 would be higher. At 5,999 cc (8 cylinders), 2007 GMC Sierra is equipped with a bigger engine. In terms of performance, both vehicles can yield 300 horse power. So under normal driving conditions, the acceleration of both vehicles should be relatively similar.
Let's talk about torque, 2007 GMC Sierra (488 Nm) has 88 more torque (in Nm) than 1998 Audi A8. (400 Nm). This means 2007 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1998 Audi A8.
Compare all specifications:
| 1998 Audi A8 | 2007 GMC Sierra | |
| Make | Audi | GMC |
| Model | A8 | Sierra |
| Year Released | 1998 | 2007 |
| Body Type | Sedan | Pickup |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 5999 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 300 HP | 300 HP |
| Torque | 400 Nm | 488 Nm |
| Engine Bore Size | 84.6 mm | 102 mm |
| Engine Stroke Size | 93 mm | 92 mm |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 5040 mm | 6570 mm |
| Vehicle Width | 1890 mm | 2450 mm |
| Vehicle Height | 1450 mm | 1970 mm |
| Wheelbase Size | 2890 mm | 4250 mm |
