EPA-verified MPG for all 6 variants (2015–2020)
SL550 by model year — click a row to jump to that year
| Year | Best MPG | Avg MPG | Variants |
|---|---|---|---|
| 2020 | 20 MPG | 20 MPG | 1 |
| 2019 | 20 MPG | 20 MPG | 1 |
| 2018 | 20 MPG | 20 MPG | 1 |
| 2017 | 20 MPG | 20 MPG | 1 |
| 2016 | 19 MPG | 19 MPG | 1 |
| 2015 | 20 MPG | 20 MPG | 1 |