2025 INEOS Automotive Grenadier Specs: MPG, Gas Mileage, Engine Size & Dimensions
2025 INEOS Automotive Grenadier Specs at a Glance
The 2025 INEOS Automotive Grenadier gets 15 mpg combined on the 3.0L 4-Wheel Drive configuration. Figures are per configuration, not a single official number — other trims rate as low as 14 mpg combined. Every figure below comes from EPA, NHTSA, or manufacturer published data — no estimates.
- Combined MPG
- 15 mpg (15 city / 15 hwy)
- Best configuration: 3.0L · 4-Wheel Drive · Automatic (S8) · other 2025 trims rate 14–15 mpg combined
- Engine
- 3.0L 6-cyl
- 3.0L · 4-Wheel Drive · Automatic (S8)
2025 INEOS Automotive Grenadier trims and MPG
| Trim | Engine | Trans | Drive | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| Auto (S8), 6 cyl, 3.0 L | 6 · 3.0L | Automatic (S8) | 4-Wheel Drive | 15 | 15 | 15 |
| Auto (S8), 6 cyl, 3.0 L | 6 · 3.0L | Automatic (S8) | 4-Wheel Drive | 14 | 14 | 14 |
Detailed Specifications
MPG & Fuel Economy
MPG for every year and trim
View details →Engine Specifications
Engine Specs for every year and trim
View details →Annual Fuel Cost
Fuel Cost for every year and trim
View details →Transmission Specifications
Transmission for every year and trim
View details →Drivetrain & Drive Type
Drivetrain for every year and trim
View details →Vehicle Class & EPA Size Category
Vehicle Class for every year and trim
View details →Maintenance Schedule & Service Intervals
Maintenance for every year and trim
View details →INEOS Automotive Grenadier — All Years Overview
| Year | Trim | Engine | Trans | Drive | City | Hwy | Combined | Fuel |
|---|---|---|---|---|---|---|---|---|
| 2025 | Auto (S8), 6 cyl, 3.0 L | 6 · 3.0L | Automatic (S8) | 4-Wheel Drive | 15 | 15 | 15 | Premium Gasoline |
| 2025 | Auto (S8), 6 cyl, 3.0 L | 6 · 3.0L | Automatic (S8) | 4-Wheel Drive | 14 | 14 | 14 | Premium Gasoline |
| 2024 | Auto (S8), 6 cyl, 3.0 L | 6 · 3.0L | Automatic (S8) | 4-Wheel Drive | 15 | 15 | 15 | Premium Gasoline |
| 2024 | Auto (S8), 6 cyl, 3.0 L | 6 · 3.0L | Automatic (S8) | 4-Wheel Drive | 14 | 14 | 14 | Premium Gasoline |
| 2023 | Auto (S8), 6 cyl, 3.0 L | 6 · 3.0L | Automatic (S8) | 4-Wheel Drive | 15 | 15 | 15 | Premium Gasoline |
| 2023 | Auto (S8), 6 cyl, 3.0 L | 6 · 3.0L | Automatic (S8) | 4-Wheel Drive | 14 | 14 | 14 | Premium Gasoline |
Compare across every brand
All INEOS Automotive Grenadier specifications
INEOS Automotive Grenadier — Frequently Asked Questions
What is the fuel economy of the 2025 INEOS Automotive Grenadier?
The INEOS Automotive Grenadier is EPA-rated at up to 15 MPG combined (15 city / 15 highway).
What engine does the 2025 INEOS Automotive Grenadier have?
The INEOS Automotive Grenadier uses a 3.0L 6-cylinder engine paired with an Automatic transmission.
What years of the INEOS Automotive Grenadier are covered here?
This page documents 6 verified INEOS Automotive Grenadier configurations across model years 2023–2025.
Which model year of the INEOS Automotive Grenadier is the most fuel efficient?
Every documented INEOS Automotive Grenadier model year lands on the same 15 MPG combined peak, so fuel economy is not a reason to prefer one year over another.
How many engine options does the INEOS Automotive Grenadier have?
Across every year on record the INEOS Automotive Grenadier uses one displacement, 3L, so trims differ by drivetrain and equipment rather than engine size.
Is the 2025 INEOS Automotive Grenadier front-wheel drive or all-wheel drive?
Every INEOS Automotive Grenadier configuration on record here is 4-Wheel Drive; no alternative drivetrain appears in the 2023–2025 data.