2023 Mercedes-Benz GLS450 4matic

3.0L 6-cyl · 9-speed automatic · AWD

HybridPremiumStandard Sport Utility Vehicle 4WD

Official EPA record #45892 from FuelEconomy.gov · data 2026-07-26 · every assumption below is yours to edit. How this is computed

Per month

$248.60

Per year

$2,983

Per mile

24.9¢/mi

5-year total

$14,915

sport utility body style — not this exact model

Notes & official EPA estimate

601.4 gal of fuel / yeargasoline @ $4.96/galAt $5.96/gal: $298.72/mo

A mile road trip costs about $74.70 in energy.

Official FuelEconomy.gov estimate: $3,850/year — assumes 15,000 miles/year and EPA price assumptions. The figures above use your inputs instead.

Compare with another vehiclePrices: EPA national averages, Jul 24, 2026 — override anytime.

At 12,000 miles per year (55% city / 45% highway) with EPA national-average prices ($4.96/gal premium), this 2023 Mercedes-Benz GLS450 4matic costs about $248.60 per month in fuel — $2,983 per year, 24.9¢/mi, $14,915 over five years.Assumptions are editable below. Prices as of July 24, 2026 · EPA vehicle record #45892. EPA figures are laboratory estimates; real-world cost varies with driving conditions, weather, and where you buy energy.

Official EPA efficiency

Measure	Value
City MPG	18
Highway MPG	23
Combined MPG	20

Official EPA estimates

Estimate	Value
Official annual fuel cost (15,000 mi/yr)	$3,850/yr
Tailpipe CO₂	433 g/mi
EPA greenhouse gas score	4/10
EPA smog rating (Federal Tier 3 Bin 50)	6/10

Source: U.S. EPA / DOE FuelEconomy.gov, vehicle record #45892 (record updated 2023-06-20). Snapshot processed 2026-07-26; page data last changed 2023-06-20.

View this record on FuelEconomy.gov

Related configurations

Same year, same family

Adjacent model years