1999 Audi A4 vs. 2006 GMC Sierra
To start off, 2006 GMC Sierra is newer by 7 year(s). Which means there will be less support and parts availability for 1999 Audi A4. In addition, the cost of maintenance, including insurance, on 1999 Audi A4 would be higher. At 5,996 cc (8 cylinders), 2006 GMC Sierra is equipped with a bigger engine. In terms of performance, 2006 GMC Sierra (345 HP @ 5200 RPM) has 222 more horse power than 1999 Audi A4. (123 HP @ 5800 RPM) In normal driving conditions, 2006 GMC Sierra should accelerate faster than 1999 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2006 GMC Sierra weights approximately 1248 kg more than 1999 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1999 Audi A4. In wet, icy, snow, or gravel driving conditions, 2006 GMC Sierra will offer significantly more control. 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, 2006 GMC Sierra (515 Nm @ 4000 RPM) has 342 more torque (in Nm) than 1999 Audi A4. (173 Nm @ 3950 RPM). This means 2006 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1999 Audi A4.
Compare all specifications:
| 1999 Audi A4 | 2006 GMC Sierra | |
| Make | Audi | GMC |
| Model | A4 | Sierra |
| Year Released | 1999 | 2006 |
| Body Type | Sedan | Pickup |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 5996 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 123 HP | 345 HP |
| Engine RPM | 5800 RPM | 5200 RPM |
| Torque | 173 Nm | 515 Nm |
| Torque RPM | 3950 RPM | 4000 RPM |
| Engine Bore Size | 81 mm | 102 mm |
| Engine Stroke Size | 86.4 mm | 92 mm |
| Engine Compression Ratio | 10.3:1 | 9.2:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1230 kg | 2478 kg |
| Vehicle Length | 4480 mm | 5850 mm |
| Vehicle Width | 1740 mm | 2000 mm |
| Vehicle Height | 1420 mm | 1910 mm |
| Wheelbase Size | 2520 mm | 3650 mm |
| Fuel Consumption Overall | 13 L/100km | 15.7 L/100km |
| Fuel Tank Capacity | 60 L | 98 L |
