Mercedes-Benz AMG SL43 MPG by year — every rating on record
The Mercedes-Benz AMG SL43 has a combined EPA fuel economy rating for 4 model years, from 2023 to 2026. Across those years its best rated version returned 23 mpg (2023) and its thirstiest returned 22 mpg (2024). The EPA record holds 4 configurations for this nameplate, most recently a Minicompact Cars.
Year-by-year EPA ratings
| Model year | Configurations | Best combined | Worst combined | Class rank that year | Drivetrains | Fuel | EPA class |
|---|---|---|---|---|---|---|---|
| 2023 | 1 | 23 mpg | 23 mpg | #8 of 51 (86th pct) | Rear-Wheel Drive | Premium | Two Seaters |
| 2024 | 1 | 22 mpg | 22 mpg | #8 of 40 (82th pct) | Rear-Wheel Drive | Premium | Two Seaters |
| 2025 | 1 | 22 mpg | 22 mpg | #8 of 31 (77th pct) | Rear-Wheel Drive | Premium | Minicompact Cars |
| 2026 | 1 | 22 mpg | 22 mpg | #7 of 31 (80th pct) | Rear-Wheel Drive | Premium | Minicompact Cars |
Where it has stood in its class
Ranked against every other nameplate the EPA filed under the same class that year. The Mercedes-Benz AMG SL43 placed highest in 2026 at #7 of 31, and lowest in 2023 at #8 of 51. It spent 4 of its 4 ranked years in the top half of its class.
Every configuration on record
All 4 configurations EPA lists for this nameplate, newest first.
| Year | Configuration | Engine detail | City | Highway | Combined | Gallons/yr | Barrels/yr | EPA fuel cost/yr | CO2 g/mi | GHG |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 2.0L 4-cyl Rear-Wheel Drive Automatic 9-spd Premium | SIDI; Mild Hybrid, turbocharged, Hybrid, start-stop | 19 | 27 | 22 | 522.7 | 13.5 | $3,500 | 400 | 4/10 |
| 2025 | 2.0L 4-cyl Rear-Wheel Drive Automatic 9-spd Premium | SIDI; Mild Hybrid, turbocharged, Hybrid, start-stop | 19 | 27 | 22 | 522.7 | 13.5 | $3,500 | 400 | 5/10 |
| 2024 | 2.0L 4-cyl Rear-Wheel Drive Automatic 9-spd Premium | SIDI; Mild Hybrid, turbocharged, Hybrid, start-stop | 20 | 27 | 22 | 522.7 | 13.5 | $3,500 | 398 | 5/10 |
| 2023 | 2.0L 4-cyl Rear-Wheel Drive Automatic 9-spd Premium | SIDI; Mild Hybrid, turbocharged, Hybrid, start-stop | 21 | 27 | 23 | 500.0 | 12.9 | $3,350 | 385 | 5/10 |
How the rating has moved between model years
Comparing the best-rated configuration of each year. 0 of 1 year-over-year steps improved the top rating.
| Change | Best combined | Delta | Gallons a year at the newer rating |
|---|---|---|---|
| 2023 → 2024 | 23 → 22 mpg | -1 mpg | 523 gal |
What AMG SL43 fuel costs over a year
At the EPA's 11,500 miles a year, the 2026 Mercedes-Benz AMG SL43 burns 523 to 523 gallons depending on configuration. Below is what that costs at three pump prices, and how much more the thirstiest configuration costs than the most efficient one.
| Pump price | Most efficient | Thirstiest | Spread |
|---|---|---|---|
| $3.00/gal | $1,568 | $1,568 | $0 |
| $3.50/gal | $1,830 | $1,830 | $0 |
| $4.00/gal | $2,091 | $2,091 | $0 |
EPA’s own estimate for the 2026 model year is $3,500 to $3,500 a year in fuel, or $6,250 more than the average new vehicle over five years.
How it compares with other Two Seaters
Across the 263 nameplates EPA classifies as Two Seaters, the median best combined rating is 18 mpg. At 22 mpg the Mercedes-Benz AMG SL43 is 4 mpg better the median, which is worth about $407 a year at $3.50 a gallon.
- All Two Seaters rankings — every nameplate in the class, best to worst.
Other Mercedes-Benz nameplates
Every Mercedes-Benz model compared → — all nameplates ranked by best combined rating, with what each one costs a year.