1999 GMC Sierra vs. 1999 Mercury Cougar

To start off, both 1999 GMC Sierra and 1999 Mercury Cougar were released in the same year (1999). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 4,293 cc (6 cylinders), 1999 GMC Sierra is equipped with a bigger engine. In terms of performance, 1999 GMC Sierra (197 HP @ 4600 RPM) has 29 more horse power than 1999 Mercury Cougar. (168 HP @ 6250 RPM). In normal driving conditions, 1999 GMC Sierra should accelerate faster than 1999 Mercury Cougar. With that said, vehicle weight also plays an important factor in acceleration. 1999 GMC Sierra weights approximately 431 kg more than 1999 Mercury Cougar. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.

Because 1999 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1999 Mercury Cougar. In wet, icy, snow, or gravel driving conditions, 1999 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, 1999 GMC Sierra (352 Nm @ 2800 RPM) has 129 more torque (in Nm) than 1999 Mercury Cougar. (223 Nm @ 4250 RPM). This means 1999 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1999 Mercury Cougar.

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