Fuel economy details

INEOS Automotive Grenadier 2025

EPA fuel-economy estimates for 1 version of this vehicle. Review the published configuration below.

15combined MPG

15 / 15city / highway MPG

$5,500estimated annual fuel cost

How to use these estimates

EPA ratings use standardized city and highway tests, making them a useful starting point for comparing similar vehicles. For model years with several versions, choose the powertrain that matches the vehicle you are considering before relying on a rating.

Your actual fuel or electricity use can vary with weather, payload, driving style, maintenance, and local prices.

SIDI · Automatic (S8)

15 combined MPG

Fuel typePremium Gasoline

Vehicle classStandard Sport Utility Vehicle 4WD

Drive4-Wheel Drive

TransmissionAutomatic (S8)

Tailpipe CO₂592 g/mi

EPA base modelGrenadier

TurbochargerYes

Start-stop systemYes

Efficiency and cost

EPA fuel economy score: 2
EPA greenhouse gas score: 2
Estimated annual petroleum use: 19.8 barrels
Five-year fuel-cost comparison: costs $15,500 more

EPA class benchmark

Compared with 111 EPA records from 2025 in this vehicle class and fuel type.

Efficiency position: At or above 13%
Combined MPG vs median: 4 MPG below the class median.
Annual cost vs median: $1,150 higher than the class median.

Where these numbers come from

Source: EPA FuelEconomy.gov. This page was last updated on October 3, 2026. Learn more about how we use vehicle data.