MPG by Model

MakesMercedes-BenzSL-Class

Mercedes-Benz SL-Class MPG

Its best-rated version reaches 23 MPG combined in 2015–2019 and 2023, the hybrid AMG SL43. Its weakest year peaked at 16 MPG (2003, 2007–2009 and 2022).

Mercedes-Benz SL-Class: best and lowest EPA combined MPG of its versions, model years 1994–202610152025MPG20032012202219942000200520152020202623 MPG peaklowest peak 16Mercedes-Benz SL-Class: best and lowest EPA combined MPG by model year10152025MPG1994199619982000200220042006200820122014201620182020202220242026
lowest to best versionbest versionbest version is a hybridmedian of its classengine list turned over
681.8 gal

a year at 15,000 miles for the best 2026 version, the AMG SL43. Put it next to its 1994 predecessor, at your own mileage.

Compare in gallons

The Mercedes-Benz SL-Class has EPA ratings for 31 model years, 1994–2026, most often among two-seater cars. In 2023 even its most efficient version rated lowest of 11 minicompact cars (next up: the Aston Martin DBS); it sat in its class's bottom five in six model years.

The best version of the SL-Class ranked fifth (tied) of 19 two-seater cars in 2024, behind the class leader, the Mazda MX-5 Miata, and it placed in its class top five in three model years. Averaged over 1994–1998, the best version of the SL-Class placed fourth from the bottom of 11 among two-seater cars rated at least three years in that span, and it was in the bottom five in one other five-year span.

Among 10 minicompact cars, 2026

The SL-Class placed fourth. The class leader was the MINI Cooper at 30 MPG. The next higher rating, 25 MPG, belongs to the Subaru BRZ.

Best EPA combined MPG of each of the 10 minicompact cars rated for 2026202530SL-Class 22median 20CooperBest EPA combined MPG of each of the 10 minicompact cars rated for 2026202530SL-Class 22median 20

The SL-Class, five years at a time

Average rating of its best version per span, placed among two-seater cars.

1994–98eighth of 11
1999–0313th of 17
2004–0815th of 23
2009–1313th of 22
2014–1811th of 25
2019–23seventh of 25

Where the engine list turned over

  • 2003

    New: 5.5-liter 8-cylinder. Best rating 17 → 16 MPG.

  • 2004

    New: 5.4-liter 8-cylinder, 5.5-liter 12-cylinder. Best rating 16 → 17 MPG.

  • 2012

    New: 6.2-liter 8-cylinder. Best rating 17 → 17 MPG.

  • 2013

    New: 4.7-liter 8-cylinder, 6.0-liter 12-cylinder. Best rating 17 → 20 MPG.

  • 2022

    New: 4.0-liter 8-cylinder. Best rating 22 → 16 MPG.

Powertrains under the name

  • Gasoline

    Rated in 1994–2009, 2011–2020 and 2022–2026.

  • Hybrid

    Rated in 2023–2026.

  • Plug-in hybrid

    Rated in 2025.

All 31 model years, best and lowest version
Model yearsBest versionCombinedCity / hwyLowest versionVersions
2025–2026AMG SL43 hybrid2219 / 27164
2024AMG SL43 hybrid2220 / 27163
2023AMG SL43 hybrid2321 / 27163
2022AMG SL55 4matic Plus1614 / 21162
2020SL4502220 / 28202
2019SL4502320 / 28183
2017–2018SL4502320 / 28164
2015–2016SL4002320 / 27174
2014SL5502018 / 25173
2013SL5502017 / 25173
2012SL5501714 / 22142
2011SL5501714 / 22143
2009SL5501613 / 21144
2008SL5501614 / 21144
2007SL5501613 / 21144
2006SL5001714 / 22144
2005SL5001714 / 21134
2004SL5001714 / 21143
2003SL5001614 / 20142
2002SL5001715 / 22142
1998–2001SL5001714 / 21142
1997SL3201816 / 22143
1996SL3201815 / 22143
1994–1995SL3201815 / 22133

Version names in the EPA list: AMG SL43, AMG SL55 4matic Plus, AMG SL63, AMG SL63 4matic Plus, AMG SL63 S E Performance, AMG SL65, SL320, SL400, SL450, SL500, SL55 AMG, SL550, SL600, SL63 AMG, SL65 AMG, SL680 Maybach.

Same class, 2026

MINI Cooper30 MPGSubaru BRZ25 MPGPorsche 91121 MPGAston Martin DB12 V817 MPG

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