1999 GMC Sierra vs. 1980 Pontiac Firebird

To start off, 1999 GMC Sierra is newer by 19 year(s). Which means there will be less support and parts availability for 1980 Pontiac Firebird. In addition, the cost of maintenance, including insurance, on 1980 Pontiac Firebird would be higher. At 4,784 cc (6 cylinders), 1999 GMC Sierra is equipped with a bigger engine. In terms of performance, 1999 GMC Sierra (267 HP) has 132 more horse power than 1980 Pontiac Firebird. (135 HP). In normal driving conditions, 1999 GMC Sierra should accelerate faster than 1980 Pontiac Firebird. With that said, vehicle weight also plays an important factor in acceleration. 1999 GMC Sierra weights approximately 200 kg more than 1980 Pontiac Firebird. 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 1980 Pontiac Firebird. 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. 1980 Pontiac Firebird 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. 1980 Pontiac Firebird will be easier to drive especially in heavy traffic.

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