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2026 Mercedes-Benz GLC mpg

Combined mpg, 300 RWD

27mpg

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12,000 miles a year. Gas $3.20.

1020304050Median 23GLC: 27 mpg
139 SUVs (2026), one trim per model: the cheapest with a rating. Median 23 mpg.
2026 Mercedes-Benz GLC mpg by trim
TrimEngineDriveCity mpgHwy mpgCombinedTank, galMiles per tankCost a year
300 RWD2.0L 4cylRWD24322717.4470$1,422
GLC 300 4MATIC AWD2.0L 4cylAWD23312617.4452$1,477
GLC 300 4MATIC Coupe2.0LAWD233126N/AN/A$1,477
GLC 350e 4MATIC AWD2.0L 4cylAWDN/AN/A2517.4435$1,536
AMG GLC 43 4MATIC2.0LAWD192622N/AN/A$1,745
AMG GLC 43 4MATIC Coupe2.0LAWD192522N/AN/A$1,745
AMG GLC 63 S E Performance 4MATIC2.0LAWD192119N/AN/A$2,021
AMG GLC 63 S E Performance 4MATIC Coupe2.0LAWD192119N/AN/A$2,021

Fuel cost

300 RWD, 27 mpg combined.

Per year
$1,422
Per month
$119
Per mile
11.9 cents
Fill the tank
$55.68
  • Top trim: AMG GLC 63 S E Performance 4MATIC Coupe. $2,021 a year. $599 more than the 300 RWD.

Trip cost

300 RWD: 32 mpg highway
TripGallonsCost
100 miles3.1$10.00
300 miles9.4$30.00
500 miles15.6$50.00
1,000 miles31.3$100

Commute cost

Per month
$103
Per year
$1,233
Miles a month
867

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

Is 27 mpg good? Yes. Beats 68% 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

2026 Mercedes-Benz GLC and rivals
CarCheapest trimMPG or rangeCompare
2026 Mercedes-Benz GLC300 RWD27 mpg
2026 Volvo XC60B5 Core AWD26 mpgCompare
2026 Land Rover Discovery SportLandmark AWD20 mpgCompare
2026 Land Rover Range Rover EvoqueCore S AWD22 mpgCompare
2026 Alfa Romeo StelvioAWD24 mpg
2026 Cadillac OPTIQ VOPTIQ-V AWD278 mi range
2026 Genesis GV702.5T AWD23 mpgCompare

What this cannot tell you

EPA ratings. Your own mpg will differ.

Gas prices change by state and by week.

How values are checked