2023 · Midsize & Large SUV · Hybrid

2023 Mercedes-Benz GLS-Class Hybrid MPG & fuel economy

The 2023 Mercedes-Benz GLS-Class Hybrid is a midsize or large SUV offered in 4 EPA-rated configurations. The most efficient version returns 20 MPG combined (18 city / 23 highway) on premium gasoline. Across the lineup, combined ratings range from 16 to 20 MPG. Efficiency is unchanged from the 2022 model. Among 73 midsize & large SUVs rated for 2023, it ranks 53rd for lowest fuel cost. At 15,000 miles a year with $3.95/gal premium gas, it costs about $2,962 a year to fuel.

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Combined 20 MPG 18 MPG city · 23 MPG hwy

Driving range — not published for this model

Your fuel cost $2,962 15,000 mi/yr · $19.75 per 100 mi

Class rank, 2023 #53 of 73 Midsize & Large SUVs by fuel cost

What will it cost you?

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

Miles per year Premium gas $/gal

Fuel average

The 2023 Mercedes-Benz GLS-Class Hybrid's fuel average is 8.5 km/L (11.8 L/100 km), or 20 MPG combined: 7.7 km/L in the city and 9.8 km/L on the highway.

	MPG	km/L	L/100 km
City	18	7.7	13.1
Highway	23	9.8	10.2
Combined	20	8.5	11.8

How it ranks among 2023 Midsize & Large SUVs

Full class ranking →

1Mercedes-Benz EQS103 MPGe $837
2Audi Q4 e-tron103 MPGe $883
3Tesla Model X102 MPGe $894
4Fisker Ocean92 MPGe $994
5BMW iX86 MPGe $1,053
···
53Mercedes-Benz GLS-Class Hybrid20 MPG $2,962
···
73Mercedes-Benz G-Class14 MPG $4,232

2023 GLS-Class HybridOther midsize & large SUVsClass median: $2,576/yr

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

GLS-Class Hybrid MPG across model years

Full history →

4 EPA-rated configurations

Configuration	Type	City	Hwy	Combined	Range	Your cost / yr
AWD · 3.0L 6-cyl turbo · 9-speed automatic GLS450 4matic	Hybrid	18 MPG	23 MPG	20 MPG	—	$2,962
AWD · 4.0L 8-cyl turbo · 9-speed automatic GLS580 4matic	Hybrid	16 MPG	21 MPG	18 MPG	—	$3,292
AWD · 4.0L 8-cyl turbo · 9-speed automatic GLS600 4matic Maybach	Hybrid	15 MPG	20 MPG	17 MPG	—	$3,485
AWD · 4.0L 8-cyl turbo · 9-speed automatic AMG GLS63 4matic Plus	Hybrid	14 MPG	19 MPG	16 MPG	—	$3,703

Specs (most efficient configuration)

Fuel: Premium gasoline
Engine / motor: 3.0L 6-cyl turbo
Transmission: 9-speed automatic
Drivetrain: AWD
Tailpipe CO₂: 433 g/mi
EPA fuel economy score: 4/10
EPA greenhouse gas score: 4/10

2023 Mercedes-Benz GLS-Class Hybrid vs. rivals

vs Land Rover Defender Hybrid 20 MPG · $2,962/yr Same fuel cost vs Audi Q7 Hybrid 20 MPG · $2,962/yr Same fuel cost vs Audi Q8 20 MPG · $2,962/yr Same fuel cost vs Porsche Cayenne Plug-in Hybrid 42 MPGe + 18 MPG · $2,897/yr Cayenne Plug-in Hybrid saves $65/yr vs BMW XM 46 MPGe + 14 MPG · $2,878/yr XM saves $85/yr vs Audi Q7 21 MPG · $2,821/yr Q7 saves $141/yr vs Land Rover Defender 19 MPG · $3,118/yr GLS-Class Hybrid saves $156/yr vs Lexus LX 19 MPG · $3,118/yr GLS-Class Hybrid saves $156/yr vs Porsche Cayenne 19 MPG · $3,118/yr GLS-Class Hybrid saves $156/yr

Compare the 2023 GLS-Class Hybrid

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Frequently asked questions

What is the gas mileage of the 2023 Mercedes-Benz GLS-Class Hybrid?

Up to 20 MPG combined (18 city / 23 highway); ratings range from 16 to 20 MPG depending on configuration.

What fuel does the 2023 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 2023 Mercedes-Benz GLS-Class Hybrid?