250KMile rating

Market price

$21,787

This one is $1,237 (6%) under it.

Longevity record

No. 42

7.7% of GMC Yukons reach 250,000 miles, against 5.4% of all vehicles. See the ranking.

Runway to 200k

66k mi

66,190 miles left before 200,000 — about 6 years at 12,000 a year

TrimDenali RWD

BodySUV

ColorSilver

Engine420 hp 6.2L V8

Drivetrain4X2

TransmissionAutomatic

FuelGasoline

MPG (combined)18

NHTSA safety4

LocationNew Braunfels, TX

SellerBluebonnet Chrysler Dodge Ram · Franchise dealer

VIN1GKS1CKJ1JR221766

Known issues to check on the 2018 GMC Yukon

One widely reported problem pattern applies to this model year. That does not mean this car has the fault — many were fixed under warranty or recall — but it is what to check, and what to ask the seller for, before you buy.

8-speed automatic transmissionWorth checking
The 8L90/8L45 eight-speed is widely reported to shudder and clunk on light throttle — the well-known "Chevy shake" — traced largely to the torque converter and transmission fluid.
What to check: Drive at 25–50 mph on light throttle and feel for a vibration through the floor. Ask whether the torque converter was replaced or the fluid changed to the revised Mobil 1 spec.

Patterns are drawn from NHTSA recalls and complaints, manufacturer service bulletins and consistent owner reporting. Always confirm open recalls against the VIN and get an independent pre-purchase inspection.

What owners of the 2018 Yukon say

Owner reviews for this exact model year are the fastest way to find out what breaks, what it costs to fix and whether the car lives up to the spec sheet.

Read owner reviewsWhat owners of this exact model year say about reliability, repairs and what they paid.Edmunds →

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About this car

The GMC Yukon is No. 42 on the Caboose longevity table: 7.7% of them reach 250,000 miles, against 5.4% of all vehicles. This 2018 GMC Yukon Denali RWD is listed at $20,550, about $1,237 below the CarGurus expected market price of $21,787. It has 133,810 miles and comes in Silver. Power comes from a 420 hp 6.2L V8 with 4x2, rated around 18 MPG combined. It is offered by Bluebonnet Chrysler Dodge Ram in New Braunfels, TX (franchise dealer).