2020 Mercedes-Benz GLS

$21,777

from

187

listings

$22K–$49K

price range

Download Infographic

Low$21,777

High$48,999

From$21,777

Avg Mileage76,604 mi

Fresh

Sourced from 187 dealer listings in the latest market snapshot as of May 2026

2020 Mercedes-Benz GLS Pricing

Price Trend

2 data pointsAs of Mar 26

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Mercedes-Benz GLS Fuel Economy

18–21mpg combined

16-19city

21-23hwy

$3,900-$4,550/yr

Across 2 configurations, the 2020 Mercedes-Benz GLS returns 18–21 MPG combined. Choose the thriftier option if you're commuting; the sportier setup if you're not counting gallons.

By Trim

GLS450 4matic - Automatic 9-spd

21mpg

3.0L 6-cyl Turbo · 4-Wheel Drive

19 city23 hwy~$3,900/yr4/10 Average

GLS580 4matic - Automatic 9-spd

18mpg

4.0L 8-cyl Turbo · 4-Wheel Drive

16 city21 hwy~$4,550/yr3/10 Poor

Source: U.S. Environmental Protection Agency (EPA)

Where to Find 2020 Mercedes-Benz GLS

35States

32%in top 3

15% of the market sits in California, though listings span 35 states. Expand your search and you'll find more options at better prices.

CACalifornia

61115%

FLFlorida

3629%

TXTexas

3378%

ILIllinois

2717%

NJNew Jersey

2516%

NYNew York

2205%

GAGeorgia

2165%

PAPennsylvania

1674%

DCWashington DC

1524%

AZArizona

1343%

MDMaryland

1193%

NCNorth Carolina

1123%

TNTennessee

1012%

OHOhio

822%

MI73

MA71

MO70

DE68

WA66

CO57

MT54

WI48

NH42

OR36

OK35

UT30

IN30

RI28

MN27

NV26

KS25

VA24

MS23

AL21

WV21

Geographic distribution reflects all active listings for this model, not just 2020.

2020 Mercedes-Benz GLS Buyer FAQ

What to know before you buy

Is the 2020 Mercedes-Benz GLS a good car to buy?

The 2020 Mercedes-Benz GLS has 0 recalls on record. Review the safety data and pricing breakdown above.

What's the gas mileage of the 2020 Mercedes-Benz GLS?

Depending on configuration, the 2020 Mercedes-Benz GLS delivers 18–21 MPG combined. Choose wisely. The full comparison shows how engine choice affects your wallet.