Mercedes-Benz GLE450 4matic MPG by year — every rating on record
The Mercedes-Benz GLE450 4matic has a combined EPA fuel economy rating for 7 model years, from 2020 to 2026. Across those years its best rated version returned 23 mpg (2021) and its thirstiest returned 21 mpg (2020). The EPA record holds 8 configurations for this nameplate, most recently a Standard Sport Utility Vehicle 4WD.
Year-by-year EPA ratings
| Model year | Configurations | Best combined | Worst combined | Class rank that year | Drivetrains | Fuel | EPA class |
|---|---|---|---|---|---|---|---|
| 2020 | 1 | 21 mpg | 21 mpg | #30 of 92 (68th pct) | 4-Wheel Drive | Premium | Standard Sport Utility Vehicle 4WD |
| 2021 | 1 | 23 mpg | 23 mpg | #19 of 104 (83th pct) | 4-Wheel Drive | Premium | Standard Sport Utility Vehicle 4WD |
| 2022 | 2 | 22 mpg | 22 mpg | #41 of 126 (68th pct) | All-Wheel Drive | Premium | Standard Sport Utility Vehicle 4WD |
| 2023 | 1 | 22 mpg | 22 mpg | #51 of 139 (64th pct) | All-Wheel Drive | Premium | Standard Sport Utility Vehicle 4WD |
| 2024 | 1 | 22 mpg | 22 mpg | #76 of 166 (55th pct) | All-Wheel Drive | Premium | Standard Sport Utility Vehicle 4WD |
| 2025 | 1 | 21 mpg | 21 mpg | #115 of 192 (40th pct) | All-Wheel Drive | Premium | Standard Sport Utility Vehicle 4WD |
| 2026 | 1 | 21 mpg | 21 mpg | #114 of 191 (41th pct) | All-Wheel Drive | Premium | Standard Sport Utility Vehicle 4WD |
Where it has stood in its class
Ranked against every other nameplate the EPA filed under the same class that year. The Mercedes-Benz GLE450 4matic placed highest in 2021 at #19 of 104, and lowest in 2025 at #115 of 192. It spent 5 of its 7 ranked years in the top half of its class.
Every configuration on record
All 8 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 | 3.0L 6-cyl All-Wheel Drive Automatic 9-spd Premium | SIDI; Mild Hybrid, supercharged, turbocharged, Hybrid, start-stop | 19 | 25 | 21 | 547.6 | 14.2 | $3,700 | 424 | 4/10 |
| 2025 | 3.0L 6-cyl All-Wheel Drive Automatic 9-spd Premium | SIDI; Mild Hybrid, supercharged, turbocharged, Hybrid, start-stop | 19 | 25 | 21 | 547.6 | 14.2 | $3,700 | 424 | 4/10 |
| 2024 | 3.0L 6-cyl All-Wheel Drive Automatic 9-spd Premium | SIDI; Mild Hybrid, turbocharged, Hybrid, start-stop | 19 | 26 | 22 | 522.7 | 13.5 | $3,500 | 406 | 5/10 |
| 2023 | 3.0L 6-cyl All-Wheel Drive Automatic 9-spd Premium | SIDI; Mild Hybrid, turbocharged, Hybrid, start-stop | 20 | 25 | 22 | 522.7 | 13.5 | $3,500 | 394 | 5/10 |
| 2022 | 3.0L 6-cyl All-Wheel Drive Automatic 9-spd Premium | SIDI; Mild Hybrid, turbocharged, Hybrid, start-stop | 20 | 25 | 22 | 522.7 | 13.5 | $3,500 | 399 | 5/10 |
| 2022 | 3.0L 6-cyl All-Wheel Drive Automatic 9-spd Premium | Mild Hybrid; Gas Particulate Filter, turbocharged, Hybrid, start-stop | 20 | 26 | 22 | 522.7 | 13.5 | $3,500 | 394 | 5/10 |
| 2021 | 3.0L 6-cyl 4-Wheel Drive Automatic 9-spd Premium | SIDI; Mild Hybrid, turbocharged, Hybrid, start-stop | 21 | 26 | 23 | 500.0 | 12.9 | $3,350 | 393 | 5/10 |
| 2020 | 3.0L 6-cyl 4-Wheel Drive Automatic 9-spd Premium | SIDI; Mild Hybrid, turbocharged, Hybrid, start-stop | 19 | 24 | 21 | 547.6 | 14.2 | $3,700 | 422 | 4/10 |
How the rating has moved between model years
Comparing the best-rated configuration of each year. 1 of 3 year-over-year steps improved the top rating.
| Change | Best combined | Delta | Gallons a year at the newer rating |
|---|---|---|---|
| 2020 → 2021 | 21 → 23 mpg | +2 mpg | 500 gal |
| 2021 → 2022 | 23 → 22 mpg | -1 mpg | 523 gal |
| 2024 → 2025 | 22 → 21 mpg | -1 mpg | 548 gal |
What GLE450 4matic fuel costs over a year
At the EPA's 11,500 miles a year, the 2026 Mercedes-Benz GLE450 4matic burns 548 to 548 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 | $1,643 | $1,643 | $0 |
| $3.50/gal | $1,917 | $1,917 | $0 |
| $4.00/gal | $2,190 | $2,190 | $0 |
EPA’s own estimate for the 2026 model year is $3,700 to $3,700 a year in fuel, or $7,250 more than the average new vehicle over five years.
How it compares with other Standard Sport Utility Vehicle 4WD
Across the 317 nameplates EPA classifies as Standard Sport Utility Vehicle 4WD, the median best combined rating is 22 mpg. At 21 mpg the Mercedes-Benz GLE450 4matic is 1 mpg below the median, which is worth about $87 a year at $3.50 a gallon.
- All Standard Sport Utility Vehicle 4WD 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.