2009 Audi A6 vs. 1999 GMC Sierra

To start off, 2009 Audi A6 is newer by 10 year(s). Which means there will be less support and parts availability for 1999 GMC Sierra. In addition, the cost of maintenance, including insurance, on 1999 GMC Sierra would be higher. At 5,204 cc (10 cylinders), 2009 Audi A6 is equipped with a bigger engine. In terms of performance, 2009 Audi A6 (430 HP @ 6800 RPM) has 233 more horse power than 1999 GMC Sierra. (197 HP @ 4600 RPM). In normal driving conditions, 2009 Audi A6 should accelerate faster than 1999 GMC Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A6 weights approximately 195 kg more than 1999 GMC Sierra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.

Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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, 2009 Audi A6 (540 Nm @ 3000 RPM) has 188 more torque (in Nm) than 1999 GMC Sierra. (352 Nm @ 2800 RPM). This means 2009 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 1999 GMC Sierra. 2009 Audi A6 has automatic transmission and 1999 GMC Sierra has manual transmission. 1999 GMC Sierra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Audi A6 will be easier to drive especially in heavy traffic.

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