Mercedes-Benz AMG S63 4matic Plus Convertible MPG by year — every rating on record
The Mercedes-Benz AMG S63 4matic Plus Convertible has a combined EPA fuel economy rating for 2 model years, from 2020 to 2021. Across those years its best rated version returned 18 mpg (2020) and its thirstiest returned 17 mpg (2021). The EPA record holds 2 configurations for this nameplate, most recently a Subcompact Cars.
Year-by-year EPA ratings
| Model year | Configurations | Best combined | Worst combined | Class rank that year | Drivetrains | Fuel | EPA class |
|---|---|---|---|---|---|---|---|
| 2020 | 1 | 18 mpg | 18 mpg | #80 of 87 (8th pct) | 4-Wheel Drive | Premium | Subcompact Cars |
| 2021 | 1 | 17 mpg | 17 mpg | #77 of 79 (3th pct) | 4-Wheel Drive | Premium | Subcompact 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 S63 4matic Plus Convertible placed highest in 2021 at #77 of 79, and lowest in 2020 at #80 of 87. It spent 0 of its 2 ranked years in the top half of its class.
Every configuration on record
All 2 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2021 | 4.0L 8-cyl 4-Wheel Drive Automatic 9-spd Premium | SIDI, turbocharged, start-stop | 14 | 24 | 17 | 676.5 | 17.5 | $4,550 | 510 | 3/10 |
| 2020 | 4.0L 8-cyl 4-Wheel Drive Automatic 9-spd Premium | SIDI, turbocharged, start-stop | 15 | 24 | 18 | 638.9 | 16.5 | $4,300 | 493 | 3/10 |
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 |
|---|---|---|---|
| 2020 → 2021 | 18 → 17 mpg | -1 mpg | 676 gal |
What AMG S63 4matic Plus Convertible fuel costs over a year
At the EPA's 11,500 miles a year, the 2021 Mercedes-Benz AMG S63 4matic Plus Convertible burns 676 to 676 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 | $2,029 | $2,029 | $0 |
| $3.50/gal | $2,368 | $2,368 | $0 |
| $4.00/gal | $2,706 | $2,706 | $0 |
EPA’s own estimate for the 2021 model year is $4,550 to $4,550 a year in fuel, or $11,500 more than the average new vehicle over five years.
How it compares with other Subcompact Cars
Across the 461 nameplates EPA classifies as Subcompact Cars, the median best combined rating is 24 mpg. At 17 mpg the Mercedes-Benz AMG S63 4matic Plus Convertible is 7 mpg below the median, which is worth about $691 a year at $3.50 a gallon.
- All Subcompact Cars 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.