2027 · Midsize & Large SUV · Hybrid

2027 Mercedes-Benz GLS-Class Hybrid MPG & fuel economy

The 2027 Mercedes-Benz GLS-Class Hybrid is a midsize or large SUV with one EPA-rated configuration. The most efficient version returns 21 MPG combined (19 city / 24 highway) on premium gasoline. Efficiency is unchanged from the 2026 model. Among 58 midsize & large SUVs rated for 2027, it ranks 48th for lowest fuel cost. At 15,000 miles a year with $3.95/gal premium gas, it costs about $2,821 a year to fuel.

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Combined 21 MPG 19 MPG city · 24 MPG hwy
Driving range — not published for this model
Your fuel cost $2,821 15,000 mi/yr · $18.81 per 100 mi
Class rank, 2027 #48 of 58 Midsize & Large SUVs by fuel cost

What will it cost you?

Your mileage and prices are saved and used across the site.

Fuel average

The 2027 Mercedes-Benz GLS-Class Hybrid's fuel average is 8.9 km/L (11.2 L/100 km), or 21 MPG combined: 8.1 km/L in the city and 10.2 km/L on the highway.

MPGkm/LL/100 km
City198.112.4
Highway2410.29.8
Combined218.911.2

How it ranks among 2027 Midsize & Large SUVs

Full class ranking →
  1. 1BMW iX3118 MPGe $772
  2. 2Volvo EX60118 MPGe $772
  3. 3Mercedes-Benz EQS114 MPGe $799
  4. 4Lucid Gravity111 MPGe $818
  5. 5Cadillac Optiq105 MPGe $867
  6. 48Mercedes-Benz GLS-Class Hybrid21 MPG $2,821
  7. 58Rolls-Royce Cullinan13 MPG $4,558
2027 GLS-Class HybridOther midsize & large SUVsClass median: $2,325/yr

Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.

GLS-Class Hybrid MPG across model years

Full history →

1 EPA-rated configuration

ConfigurationTypeCityHwyCombinedRangeYour cost / yr
AWD · 3.0L 6-cyl turbo · 9-speed automatic
GLS450 4matic
Hybrid 19 MPG 24 MPG 21 MPG — $2,821

Specs (most efficient configuration)

Fuel
Premium gasoline
Engine / motor
3.0L 6-cyl turbo
Transmission
9-speed automatic
Drivetrain
AWD
Tailpipe CO₂
424 g/mi
EPA fuel economy score
4/10
EPA greenhouse gas score
4/10

2027 Mercedes-Benz GLS-Class Hybrid vs. rivals

Compare the 2027 GLS-Class Hybrid

With any other car from any year, including other GLS-Class Hybrid model years. Type a year to jump, e.g. "2015 Accord".

Frequently asked questions

What is the gas mileage of the 2027 Mercedes-Benz GLS-Class Hybrid?

Up to 21 MPG combined (19 city / 24 highway).

What fuel does the 2027 Mercedes-Benz GLS-Class Hybrid use?

Premium gasoline (premium is required or recommended by the manufacturer).

What is the fuel average in km/L for the 2027 Mercedes-Benz GLS-Class Hybrid?

The 2027 Mercedes-Benz GLS-Class Hybrid's fuel average is 8.9 km/L (11.2 L/100 km), or 21 MPG combined: 8.1 km/L in the city and 10.2 km/L on the highway.

How much does it cost to fuel the 2027 Mercedes-Benz GLS-Class Hybrid per year?

About $2,821 at 15,000 miles a year with $3.95/gal premium gas, or $18.81 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.

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