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1981 GMC Suburban K15

All GMC Suburban trims (1981–1991) → All GMC Suburban generations →
1981 GMC Suburban – exterior Unverified
Photo: GMC 2500 Suburban Sierra Classic 1988 (14924774340) by order_242 from Chile, CC BY-SA 2.0, via Wikimedia Commons
Photos show the 1981-1991 (1981–1991); trim, color, and model year may differ.
All photo credits
  1. Photo: GMC 2500 Suburban Sierra Classic 1988 (14924774340) by order_242 from Chile, CC BY-SA 2.0, via Wikimedia Commons
  2. Photo: G.M.C. Suburban by Bull-Doser, Public domain, via Wikimedia Commons
  3. Photo: 1991 GMC Suburban by DestinationFearFan, CC BY-SA 4.0, via Wikimedia Commons
  4. Photo: 1989 GMC K1500 Suburban SLE in Onyx Black & Summit White Deluxe Two-Tone, Rear Right, 05-21-2023 by Elise240SX, CC BY-SA 4.0, via Wikimedia Commons

The 1981 GMC Suburban K15 is a 5.7-liter V8 with a 3-speed automatic and four-wheel drive.

Spec Value
Vehicle
Body TypeSUV
PowertrainGas
Engine
Engine Type350 cu in (5.7L) V8
Displacement5.7 L
Injection Type4-barrel carburetor
Drivetrain
Drive Type4WD
Transmission
Transmission3-speed automatic
Fuel Economy
City13 MPG
Recommended FuelUnleaded regular
Dimensions & Weight
Wheelbase129.5 in

Safety & Recalls

NCAP safety ratings

Not crash-tested by NHTSA for this model year.

Recalls

1 recall on file with NHTSA for the 1981 GMC SUBURBAN. Not every recall applies to every trim or VIN — check yours at nhtsa.gov/recalls.

Nov 14, 1980 · SERVICE BRAKES, HYDRAULIC:PEDALS AND LINKAGES

THE INVOLVED VEHICLES MAY HAVE BEEN ASSEMBLED WITHOUT THE RETAINER CLIP FOR THE BRAKE PEDAL PUSH ROD. THE ABSENCE OF THIS RETAINER CLIP COULD ALLOW THE BRAKE PEDAL TO DISENGAGE FROM THE MASTER CYCLINDER PUSH ROD.

Remedy: THE DEALER WILL INSPECT AND, IF NECESSARY, INSTALL THE RETAINER CLIP ON ALL SUSPECT VEHICLES WITHOUT CHARGE.

NHTSA campaign 80V150000

Source: US National Highway Traffic Safety Administration (nhtsa.gov), matched as 1981 GMC SUBURBAN. US-market vehicles only; data cached for up to 7 days.

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