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2021 Mercedes-Benz GLC mpg

Combined mpg, GLC 300 RWD

25mpg

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12,000 miles a year. Gas $3.20.

10152025303540Median 23GLC: 25 mpg
137 SUVs (2021), one trim per model: the cheapest with a rating. Median 23 mpg.
2021 Mercedes-Benz GLC mpg by trim
TrimEngineDriveCity mpgHwy mpgCombinedTank, galMiles per tankCost a year
GLC 300 RWD2.0L 4cylRWD22292517.4435$1,536
300 Coupe 4MATIC2.0LAWD222824N/AN/A$1,600
GLC 300 4MATIC AWD2.0L 4cylAWD21282317.4400$1,670
AMG GLC 43 4MATIC SUV3.0LAWD182420N/AN/A$1,920
AMG GLC 43 4MATIC Coupe3.0LAWD172420N/AN/A$1,920
AMG GLC 63 SUV 4MATIC4.0LAWD152217N/AN/A$2,259
AMG GLC 63 Coupe 4MATIC4.0LAWD152217N/AN/A$2,259
AMG GLC 63 S Coupe 4MATIC4.0LAWD152217N/AN/A$2,259

Fuel cost

GLC 300 RWD, 25 mpg combined.

Per year
$1,536
Per month
$128
Per mile
12.8 cents
Fill the tank
$55.68
  • Top trim: AMG GLC 63 S Coupe 4MATIC. $2,259 a year. $723 more than the GLC 300 RWD.

Trip cost

GLC 300 RWD: 29 mpg highway
TripGallonsCost
100 miles3.4$11.03
300 miles10.3$33.10
500 miles17.2$55.17
1,000 miles34.5$110

Commute cost

Per month
$111
Per year
$1,331
Miles a month
867

GLC 300 RWD. 20 miles each way, 5 days a week.

Is 25 mpg good? Yes. Beats 58% of 2026 cars.

MPG by year

242526272829201620182020202220242026
GLC: combined mpg of the cheapest rated trim, 2016 to 2026.

GLC by year: price, hp, mpg, size

Rivals

2021 Mercedes-Benz GLC and rivals
CarCheapest trimMPG or rangeCompare
2021 Mercedes-Benz GLCGLC 300 RWD25 mpg
2021 Audi Q545 TFSI Premium AWD25 mpg
2021 Land Rover Range Rover EvoqueS AWD22 mpgCompare
2021 BMW X3sDrive30i RWD27 mpg
2021 Ford Mustang Mach-ESelect RWD230 mi range
2021 Lincoln NautilusFWD23 mpg
2021 Cadillac XT5Luxury FWD24 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