INEOS Automotive · 2023–2025 · Gas

INEOS Automotive Grenadier MPG by year

The EPA has rated 3 model years of the INEOS Automotive Grenadier, from 2023 to 2025. The most fuel-efficient year is the 2025, at 15 MPG combined in its best configuration. The 2025 model is 29% less efficient than the median midsize or large SUV that year (15 vs. 21 MPG).

Most efficient year202515 MPG combined
Latest (2025)15 MPG$3,950/yr to fuel
First rated (2023)15 MPG$3,950/yr at today's prices
Model years rated36 configurations

Combined MPG by model year

  • Grenadier, most efficient version
  • Range across configurations
  • Class median

Shaded band: range across that year's configurations. Class median: same-year models in the same class, rated in MPG. Click a point to open that model year; the table below lists every value.

Every Grenadier model year

YearTypeBest combinedCity / HwyClass medianRangeConfigsFuel / yr
2025 Gas 15 MPG
lowest 14
15 / 15 21 — 2 $3,950
2024 Gas 15 MPG
lowest 14
15 / 15 21 — 2 $3,950
2023 Gas 15 MPG
lowest 14
15 / 15 20 — 2 $3,950

Fuel cost uses today's default prices for every year so model years compare like for like. Sort any column.

Compare Grenadier model years

See how much a newer Grenadier would save over an older one.

Models similar to the INEOS Automotive Grenadier

Frequently asked questions

Which INEOS Automotive Grenadier year has the best fuel economy?

The 2023 INEOS Automotive Grenadier, rated up to 15 MPG combined. At 15,000 miles a year with $3.95/gal premium gas, that works out to about $3,950 a year.

What is the fuel economy of the latest INEOS Automotive Grenadier?

The 2025 INEOS Automotive Grenadier is rated up to 15 MPG combined.

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