Photo: Mercedes-Benz S-Class by David Adam Kess, CC BY-SA 4.0, via Wikimedia Commons. It shows the model, not always this exact version.
Mercedes-Benz · model year 2026
2026 Mercedes-Benz S580 4matic
Large · All-Wheel Drive · Hybrid · EPA class: Large Cars
EPA figures · 2026fueleconomy.gov
20MPG combined
17/27MPG city / highway
$4,100fuel a year
438 g CO₂ per mile 4.0 L 8-cyl turbo Automatic 9-spd
This car on fueleconomy.gov, read 2 October 2026. Your own figures depend on how and where you drive.
Where it places
- 78 Fuel-efficient large cars
Ordered by combined MPG #78 of 114 - 803 2026 cars and trucks
Every car of that year, A to Z #803 of 1,172 - 809 Fuel-efficient AWD and 4WD cars
Ordered by combined MPG #809 of 1,362 - 121 Mercedes-Benz cars
Every model year, newest first #121 of 2,118 - 1634 Gas and hybrid cars by fuel cost
Ordered by fuel a year #1634 of 2,158
Against fuel-efficient large cars
Chart average 25 MPGBest 51 MPG
Lowest on the chart $1,300Chart average $3,474
Every figure on record
- Combined MPG
- 20 MPG
- City MPG
- 17 MPG
- Highway MPG
- 27 MPG
- Annual fuel cost
- $4,100
- Tailpipe CO₂
- 438 g per mile
- Model year
- 2026
- Body
- Car
- EPA size class
- Large Cars
- Drive
- All-Wheel Drive
- Engine
- 4.0 L 8-cyl turbo
- Transmission
- Automatic 9-spd
- Fuel
- Gasoline
Efficiency
Running cost
The car
Powertrain
Cars around it
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21 MPG · $3,900 fuel a year 2026 Porsche Panamera
21 MPG · $3,900 fuel a year 2025 Porsche Panamera 4 e-Hybrid
21 MPG · $3,900 fuel a year 2025 Porsche Panamera 4S E-Hybrid
21 MPG · $3,900 fuel a year 2025 Mercedes-Benz S580 4matic Maybach
20 MPG · $4,100 fuel a year