1999 GMC Sierra vs. 1972 Mercury Comet

To start off, 1999 GMC Sierra is newer by 27 year(s). Which means there will be less support and parts availability for 1972 Mercury Comet. In addition, the cost of maintenance, including insurance, on 1972 Mercury Comet would be higher. 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 115 more horse power than 1972 Mercury Comet. (82 HP @ 4400 RPM). In normal driving conditions, 1999 GMC Sierra should accelerate faster than 1972 Mercury Comet. With that said, vehicle weight also plays an important factor in acceleration. 1999 GMC Sierra weights approximately 555 kg more than 1972 Mercury Comet. 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 1972 Mercury Comet. 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 174 more torque (in Nm) than 1972 Mercury Comet. (178 Nm @ 1800 RPM). This means 1999 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1972 Mercury Comet.

Compare all specifications:

1999 GMC Sierra 1972 Mercury Comet
Make GMC Mercury
Model Sierra Comet
Year Released 1999 1972
Engine Position Front Front
Engine Size 4293 cc 2780 cc
Engine Cylinders 6 cylinders 6 cylinders
Engine Type V in-line
Horse Power 197 HP 82 HP
Engine RPM 4600 RPM 4400 RPM
Torque 352 Nm 178 Nm
Torque RPM 2800 RPM 1800 RPM
Fuel Type Gasoline Gasoline
Drive Type 4WD Rear
Transmission Type Manual Manual
Vehicle Weight 1775 kg 1220 kg
Vehicle Length 5170 mm 4800 mm
Vehicle Width 2000 mm 1800 mm
Vehicle Height 1810 mm 1360 mm
Wheelbase Size 3030 mm 2800 mm