MakesMercedes-BenzG-Class
Mercedes-Benz G-Class MPG
Its best-rated version reaches 18 MPG combined in 2021 and 2025–2026, the hybrid G550. Its weakest year peaked at 12 MPG (2002, 2005–2006 and 2009).
a year at 15,000 miles for the best 2026 version, the G550. Put it next to its 2002 predecessor, at your own mileage.
Compare in gallonsThe Mercedes-Benz G-Class has EPA ratings for 25 model years, 2002–2026, most often among standard SUVs. In 2009 even its most efficient version rated lowest of 97 SUVs (next up: the Nissan Armada); it sat in its class's bottom five in 22 model years. The weakest year of the G-Class is the fourth lowest yearly peak among 208 SUV nameplates.
Averaged over 2009–2013, its best version placed last of 88 among SUVs rated at least three years in that span, and it was in the bottom five in four other five-year spans. At 54 kWh per 100 miles in 2026, it was second least efficient of 66 electric nameplates rated that year.
Among 58 standard SUVs, 2026
The G-Class placed 46th (tied). The class leader was the Jeep Cherokee at 37 MPG. The next higher rating, 19 MPG, is shared by five nameplates.
Electric versions
Rated separately in kWh per 100 miles; its lowest was 54 kWh (2026 G 580 with EQ Technology).
The G-Class, five years at a time
Average rating of its best version per span, placed in the class it sat in most often.
Where the engine list turned over
- 2004
New: 5.4-liter 8-cylinder. Best rating 13 → 13 MPG.
- 2016
New: 4.0-liter 8-cylinder, 6.0-liter 12-cylinder. Best rating 13 → 13 MPG.
- 2019
Dropped: 5.5-liter 8-cylinder, 6.0-liter 12-cylinder. Best rating 13 → 14 MPG.
- 2025
New: 3.0-liter 6-cylinder hybrid, 4.0-liter 8-cylinder hybrid. Best rating 14 → 18 MPG.
Powertrains under the name
- Gasoline
Rated in 2002–2024.
- Electric
Rated in 2025–2026.
- Hybrid
Rated in 2025–2026.
All 25 model years, best and lowest version
| Model years | Best version | Combined | City / hwy | Lowest version | Versions |
|---|---|---|---|---|---|
| 2025–2026 | G550 hybrid | 18 | 17 / 19 | 15 | 2 |
| 2023–2024 | AMG G63 | 14 | 13 / 16 | 11 | 3 |
| 2022 | G550 | 16 | 14 / 17 | 14 | 2 |
| 2021 | G550 | 18 | 17 / 19 | 14 | 2 |
| 2019–2020 | AMG G63 | 14 | 13 / 17 | 14 | 2 |
| 2018 | AMG G63 | 13 | 13 / 15 | 11 | 4 |
| 2017 | AMG G63 | 13 | 13 / 14 | 11 | 4 |
| 2016 | AMG G63 | 13 | 13 / 14 | 12 | 3 |
| 2013–2015 | G550 | 13 | 12 / 15 | 13 | 2 |
| 2012 | G550 | 13 | 12 / 15 | 13 | 1 |
| 2011 | G550 | 13 | 12 / 15 | 12 | 2 |
| 2010 | G550 | 13 | 11 / 15 | 12 | 2 |
| 2009 | G55 AMG | 12 | 11 / 15 | 12 | 1 |
| 2007–2008 | G500 | 13 | 12 / 15 | 12 | 2 |
| 2005–2006 | G500 | 12 | 11 / 13 | 12 | 2 |
| 2003–2004 | G55 AMG | 13 | 12 / 14 | 12 | 2 |
| 2002 | G500 | 12 | 11 / 13 | 12 | 1 |
Version names in the EPA list: AMG G 63 4x4 Squared, AMG G63, AMG G63 4x4 Squared, AMG G65, G 580 with EQ Technology, G500, G55 AMG, G550, G550 4x4, G550 4x4 (Special Off-Road Model), G63 AMG.
Same class, 2026
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