1999 Audi A6 vs. 2008 GMC Sierra
To start off, 2008 GMC Sierra is newer by 9 year(s). Which means there will be less support and parts availability for 1999 Audi A6. In addition, the cost of maintenance, including insurance, on 1999 Audi A6 would be higher. At 6,000 cc (8 cylinders), 2008 GMC Sierra is equipped with a bigger engine. In terms of performance, 2008 GMC Sierra (353 HP @ 5400 RPM) has 204 more horse power than 1999 Audi A6. (149 HP @ 5700 RPM) In normal driving conditions, 2008 GMC Sierra should accelerate faster than 1999 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2008 GMC Sierra weights approximately 1279 kg more than 1999 Audi A6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1999 Audi A6. In wet, icy, snow, or gravel driving conditions, 2008 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, 2008 GMC Sierra (506 Nm @ 4400 RPM) has 296 more torque (in Nm) than 1999 Audi A6. (210 Nm @ 1750 RPM). This means 2008 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1999 Audi A6. 2008 GMC Sierra has automatic transmission and 1999 Audi A6 has manual transmission. 1999 Audi A6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 GMC Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 Audi A6 | 2008 GMC Sierra | |
| Make | Audi | GMC |
| Model | A6 | Sierra |
| Year Released | 1999 | 2008 |
| Body Type | Sedan | Pickup |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 6000 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 149 HP | 353 HP |
| Engine RPM | 5700 RPM | 5400 RPM |
| Torque | 210 Nm | 506 Nm |
| Torque RPM | 1750 RPM | 4400 RPM |
| Engine Compression Ratio | 9.5:1 | 9.6:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 3 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1380 kg | 2659 kg |
| Vehicle Length | 4800 mm | 5720 mm |
| Vehicle Width | 1820 mm | 2440 mm |
| Vehicle Height | 1460 mm | 1960 mm |
| Wheelbase Size | 2850 mm | 3380 mm |
| Fuel Consumption Overall | 13 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 70 L | 129 L |
