1979 GMC Suburban vs. 2005 Mercury Grand Marquis

To start off, 2005 Mercury Grand Marquis is newer by 26 year(s). Which means there will be less support and parts availability for 1979 GMC Suburban. In addition, the cost of maintenance, including insurance, on 1979 GMC Suburban would be higher. At 4,603 cc (8 cylinders), 2005 Mercury Grand Marquis is equipped with a bigger engine. In terms of performance, 2005 Mercury Grand Marquis (224 HP) has 95 more horse power than 1979 GMC Suburban. (129 HP) In normal driving conditions, 2005 Mercury Grand Marquis should accelerate faster than 1979 GMC Suburban. With that said, vehicle weight also plays an important factor in acceleration. 1979 GMC Suburban weights approximately 375 kg more than 2005 Mercury Grand Marquis.

Because 1979 GMC Suburban is four wheel drive (4WD), it will have significant more traction and grip than 2005 Mercury Grand Marquis. In wet, icy, snow, or gravel driving conditions, 1979 GMC Suburban 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, 2005 Mercury Grand Marquis (373 Nm) has 88 more torque (in Nm) than 1979 GMC Suburban. (285 Nm). This means 2005 Mercury Grand Marquis will have an easier job in driving up hills or pulling heavy equipment than 1979 GMC Suburban.

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