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2021 GMC Yukon mpg

Combined mpg, SLE RWD

18mpg

Pick another car

12,000 miles a year. Gas $3.20.

10152025303540Median 23Yukon: 18 mpg
137 SUVs (2021), one trim per model: the cheapest with a rating. Median 23 mpg.
2021 GMC Yukon mpg by trim
TrimEngineDriveCity mpgHwy mpgCombinedTank, galMiles per tankCost a year
SLE RWD5.3LRWD16201824.0432$2,133
SLE 4WD5.3L 8cyl4WD16201824.0432$2,133
SLT RWD5.3LRWD16201824.0432$2,133
SLT 4WD5.3L 8cyl4WD16201824.0432$2,133
AT4 4WD5.3L 8cyl4WD16201824.0432$2,133
Denali RWD6.2LRWD15201724.0408$2,259
Denali 4WD6.2L 8cyl4WD14191624.0384$2,400

Fuel cost

SLE RWD, 18 mpg combined.

Per year
$2,133
Per month
$178
Per mile
17.8 cents
Fill the tank
$76.80
  • Top trim: Denali 4WD. $2,400 a year. $267 more than the SLE RWD.

Trip cost

SLE RWD: 20 mpg highway
TripGallonsCost
100 miles5.0$16.00
300 miles15.0$48.00
500 miles25.0$80.00
1,000 miles50.0$160

Commute cost

Per month
$154
Per year
$1,849
Miles a month
867

SLE RWD. 20 miles each way, 5 days a week.

Is 18 mpg good? No. Beats 11% of 2026 cars.

MPG by year

161718192009201220152018202120242026
Yukon: combined mpg of the cheapest rated trim, 2009 to 2026.

Yukon by year: price, hp, mpg, size

Rivals

2021 GMC Yukon and rivals
CarCheapest trimCombined mpgCompare
2021 GMC YukonSLE RWD18 mpg
2021 Chevrolet TahoeCommercial 2WD18 mpgCompare
2021 GMC Yukon XLSLE RWD18 mpgCompare
2021 Chevrolet SuburbanCommercial 2WD18 mpgCompare
2021 Ford ExpeditionXL 4x219 mpgCompare
2021 Jeep Wrangler 4xeUnlimited Sahara 4x420 mpg
2021 Lincoln AviatorLivery RWD21 mpg

What this cannot tell you

EPA ratings. Your own mpg will differ.

Gas prices change by state and by week.

How values are checked