2026 GMC Yukon XL 4WDFuel Economy & MPG Ratings

Diesel Standard Sport Utility Vehicle 4WD4-Wheel Drive
2026 GMC Yukon XL 4WD

Photo: BuickCentury04. Public domain. via Wikimedia Commons

City
20
MPG
Highway
24
MPG
Combined
22
MPG

Trim Comparison

Automatic 10-spd
Diesel Diesel
City
20
Hwy
24
Comb
22
Fuel cost: $3,850/yr
Automatic 10-spd
Premium
City
14
Hwy
18
Comb
16
Fuel cost: $5,100/yr
Automatic 10-spd
Regular
City
14
Hwy
19
Comb
16
Fuel cost: $4,200/yr
Annual Fuel Cost
$3,850

Based on gasoline at $3.67/gal, 15,000 miles/year

5-Year Fuel Savings
$-7,250

vs. average new vehicle

EPA Fuel Economy Score: 4/10
GHG Score: 4/10

Environment

CO₂ Tailpipe Emissions
460 g/mile
Annual Petroleum Consumption
16.2 barrels

Specifications

Engine
6.2L 8-cyl
Transmission
10-speed Automatic
Drivetrain
4WD
Body Style
SUV/Crossover
GVWR
Class 2-3 (6,001–10,000 lbs)

Source: EPA fuel economy data & NHTSA vPIC. Specifications reflect the most common trim configuration.

Engine & Efficiency Details

Source: EPA fueleconomy.gov

Engine Size
3L, 6-cylinder
Efficiency Tech
Auto Start-Stop
Fuel Type
Diesel

Annual Fuel Cost by State

Prices as of week ending May 18, 2026 · Source: EIA

National AvgEPA default
$4.490/gal$3,061/yr
California
$5.957/gal$4,062/yr
Texas
$3.888/gal$2,651/yr
Florida
$4.136/gal$2,820/yr
New York
$4.522/gal$3,083/yr
Ohio
$4.510/gal$3,075/yr
Washington
$5.591/gal$3,812/yr
Colorado
$4.618/gal$3,149/yr
Minnesota
$4.344/gal$2,962/yr
Massachusetts
$4.448/gal$3,033/yr

Calculated at 15,000 miles/year (EPA standard assumption) using 22 MPG combined. Regular gasoline prices. Actual costs vary.

NHTSA Safety Ratings

Source: NHTSA (nhtsa.gov)
Overall Safety Rating
5/5
2026 GMC YUKON XL SUV N/A 4WD

Crash Test Scores

Front Crash — Overall
Front Crash — Driver Side
Front Crash — Passenger Side
Side Crash — Overall
Side Crash — Driver Side
Side Crash — Passenger Side
Side Pole Crash
Rollover
Rollover Probability21.9%

Safety Equipment

Forward Collision Warning: StandardLane Departure Warning: Standard
19
Owner Complaints
3
Recalls
0
Investigations

Recall History3

Source: NHTSA

Owner-Reported Problems19 complaints

Source: NHTSA

NHTSA has received 19 owner complaints for the 2026 GMC Yukon XL 4WD. Top reported issues include engine, advanced safety (adas) and electrical system. The data below is sourced from consumer complaints filed directly with NHTSA.

Problems by System / Component

Engine
11
Advanced Safety (ADAS)
2
Electrical System
2
Visibility / Wipers
2
Speed Control
1
Fuel System
1
Wheels & Tires
1
Power Train
1

2026 GMC Yukon XL 4WD problems by category: Engine: 11 complaints, Advanced Safety (ADAS): 2 complaints, Electrical System: 2 complaints, Visibility / Wipers: 2 complaints, Speed Control: 1 complaints, Fuel System: 1 complaints, Wheels & Tires: 1 complaints, Power Train: 1 complaints.

Sample Owner Complaints

Other / UnknownFiled: 04/05/2026ODI#11729272
In the 2026 Yukons, almost all physical buttons have been replaced by the giant center touchscreen. When starting my vehicle, about a third of the time the screen will not come on, and can’t be turned…
EngineFiled: 03/19/2026ODI#11725564
2026 GMC Yukon XL Denali, VIN [XXX] , 6.2L V8 L87 engine. At 3,168 miles, vehicle developed rough idle and knocking noise. Delivered to Sewell Buick GMC Dallas on 3/2/26. Dealer diagnosed crankshaft t…
Electrical SystemFiled: 12/28/2025ODI#11707388
The Infotainment screen which controls the A/C, heating, defrost, cameras and all other info for the vehicle does not come on in th vehicle. This began happening after owning the vehicle for 3 days. A…

Complaint data is sourced from the NHTSA Complaints Database. Reports are filed by vehicle owners and may not reflect confirmed defects. Last updated via NHTSA API.

Related

GMC Yukon XL 4WD MPG History
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