2005 GMC Sierra vs. 1986 GMC Suburban

To start off, 2005 GMC Sierra is newer by 19 year(s). Which means there will be less support and parts availability for 1986 GMC Suburban. In addition, the cost of maintenance, including insurance, on 1986 GMC Suburban would be higher. At 5,965 cc (8 cylinders), 2005 GMC Sierra is equipped with a bigger engine. In terms of performance, 2005 GMC Sierra (321 HP @ 5000 RPM) has 167 more horse power than 1986 GMC Suburban. (154 HP @ 4000 RPM). In normal driving conditions, 2005 GMC Sierra should accelerate faster than 1986 GMC Suburban. With that said, vehicle weight also plays an important factor in acceleration. 2005 GMC Sierra weights approximately 30 kg more than 1986 GMC Suburban. 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, 2005 GMC Sierra (370 Nm @ 4000 RPM) has 58 more torque (in Nm) than 1986 GMC Suburban. (312 Nm @ 2400 RPM). This means 2005 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1986 GMC Suburban.

Compare all specifications:

2005 GMC Sierra 1986 GMC Suburban
Make GMC GMC
Model Sierra Suburban
Year Released 2005 1986
Body Type Pickup SUV
Engine Position Front Front
Engine Size 5965 cc 4300 cc
Engine Cylinders 8 cylinders 6 cylinders
Engine Type V in-line
Horse Power 321 HP 154 HP
Engine RPM 5000 RPM 4000 RPM
Torque 370 Nm 312 Nm
Torque RPM 4000 RPM 2400 RPM
Fuel Type Gasoline Gasoline
Drive Type 4WD 4WD
Transmission Type Automatic Automatic
Vehicle Weight 2270 kg 2240 kg
Vehicle Length 5790 mm 5480 mm
Vehicle Width 2000 mm 1950 mm
Vehicle Height 1850 mm 1800 mm
Wheelbase Size 3650 mm 3300 mm