Jeep Gladiator Engine Specifications
The 2027 Jeep Gladiator is offered with 3.0L–3.6L engines in 6-cylinder form, per EPA fuel-economy records.
Latest model year (2027):
The Jeep Gladiator is available with 6 3.6L and Automatic 8-spd (4-Wheel Drive).
Jeep Gladiator Engine Specs — All Years
| Year | Trim | Cylinders | Displ. | Transmission | Drive | Fuel Type | Vehicle Class |
|---|---|---|---|---|---|---|---|
| 2027 | Auto 8-spd, 6 cyl, 3.6 L | 6 | 3.6L | Automatic 8-spd | 4-Wheel Drive | Regular Gasoline | Standard Pickup Trucks 4WD |
| 2026 | Auto 8-spd, 6 cyl, 3.6 L | 6 | 3.6L | Automatic 8-spd | 4-Wheel Drive | Regular Gasoline | Standard Pickup Trucks 4WD |
| 2025 | Auto 8-spd, 6 cyl, 3.6 L | 6 | 3.6L | Automatic 8-spd | 4-Wheel Drive | Regular Gasoline | Standard Pickup Trucks 4WD |
| 2024Config 1 of 2 | Auto 8-spd, 6 cyl, 3.6 L | 6 | 3.6L | Automatic 8-spd | 4-Wheel Drive | Regular Gasoline | Standard Pickup Trucks 4WD |
| 2024Config 2 of 2 | Man 6-spd, 6 cyl, 3.6 L | 6 | 3.6L | Manual 6-spd | 4-Wheel Drive | Regular Gasoline | Standard Pickup Trucks 4WD |
| 2023Config 1 of 4 | Auto 8-spd, 6 cyl, 3.0 L | 6 | 3.0L | Automatic 8-spd | 4-Wheel Drive | Diesel | Standard Pickup Trucks 4WD |
| 2023Config 2 of 4 | Auto 8-spd, 6 cyl, 3.0 L | 6 | 3.0L | Automatic 8-spd | 4-Wheel Drive | Diesel | Standard Pickup Trucks 4WD |
| 2023Config 3 of 4 | Auto 8-spd, 6 cyl, 3.6 L | 6 | 3.6L | Automatic 8-spd | 4-Wheel Drive | Regular Gasoline | Standard Pickup Trucks 4WD |
| 2023Config 4 of 4 | Man 6-spd, 6 cyl, 3.6 L | 6 | 3.6L | Manual 6-spd | 4-Wheel Drive | Regular Gasoline | Standard Pickup Trucks 4WD |
| 2022Config 1 of 4 | Auto 8-spd, 6 cyl, 3.0 L | 6 | 3.0L | Automatic 8-spd | 4-Wheel Drive | Diesel | Standard Pickup Trucks 4WD |
| 2022Config 2 of 4 | Auto 8-spd, 6 cyl, 3.0 L | 6 | 3.0L | Automatic 8-spd | 4-Wheel Drive | Diesel | Standard Pickup Trucks 4WD |
| 2022Config 3 of 4 | Auto 8-spd, 6 cyl, 3.6 L | 6 | 3.6L | Automatic 8-spd | 4-Wheel Drive | Regular Gasoline | Standard Pickup Trucks 4WD |
| 2022Config 4 of 4 | Man 6-spd, 6 cyl, 3.6 L | 6 | 3.6L | Manual 6-spd | 4-Wheel Drive | Regular Gasoline | Standard Pickup Trucks 4WD |
| 2021Config 1 of 4 | Auto 8-spd, 6 cyl, 3.0 L | 6 | 3.0L | Automatic 8-spd | 4-Wheel Drive | Diesel | Standard Pickup Trucks 4WD |
| 2021Config 2 of 4 | Auto 8-spd, 6 cyl, 3.0 L | 6 | 3.0L | Automatic 8-spd | 4-Wheel Drive | Diesel | Standard Pickup Trucks 4WD |
| 2021Config 3 of 4 | Auto 8-spd, 6 cyl, 3.6 L | 6 | 3.6L | Automatic 8-spd | 4-Wheel Drive | Regular Gasoline | Standard Pickup Trucks 4WD |
| 2021Config 4 of 4 | Man 6-spd, 6 cyl, 3.6 L | 6 | 3.6L | Manual 6-spd | 4-Wheel Drive | Regular Gasoline | Standard Pickup Trucks 4WD |
Data sourced from fueleconomy.gov (U.S. Department of Energy). MPG figures are EPA-tested. Fuel costs are estimates based on average fuel prices and 15,000 miles/year.
Jeep Gladiator data analysis
How Jeep Gladiator engine displacement varies
Across 17 configurations recorded for the 2021 through 2027 Jeep Gladiator, engine displacement runs from 3 litres to 3.6 litres. The strongest figure belongs to the 2023 Jeep Gladiator (Auto 8-spd, 6 cyl, 3.0 L) at 3 litres, and the weakest to the 2021 car (Man 6-spd, 6 cyl, 3.6 L) at 3.6 litres — a spread of 17%. The narrow spread means any year of the Jeep Gladiator in this table behaves much like the others, so you can shop on price, condition and mileage rather than chasing a particular model year.
What changed for 2027
Average engine displacement for the 2027 Jeep Gladiator is 3.6 litres, against 3.6 litres for the 2026 car — it held flat. A carry-over year like this usually means no powertrain or structural change, so an older example is the cheaper way into the same specification.
How to read this Jeep Gladiator data
This page lists every 2021 through 2027 Jeep Gladiator record we hold for this measurement — 17 rows in total, one per configuration and model year rather than a single headline figure. Figures are published as the source agency records them: we do not round, average or interpolate missing years, and a year that is absent from the table is a year with no published measurement rather than a zero. Where a manufacturer offered several drivetrains or body styles in the same year, each appears on its own row, because those variants rarely share the same numbers.
Configurations behind these Jeep Gladiator numbers
The 2021 through 2027 Jeep Gladiator entries here cover the variants Auto 8-spd, 6 cyl, 3.6 L, Man 6-spd, 6 cyl, 3.6 L and Auto 8-spd, 6 cyl, 3.0 L. 2023 is the busiest model year in the record with 4 separate measured configurations, which is why a single quoted engine displacement figure for that year is rarely the one that matches the car in front of you. Match the row to the exact drivetrain, body style and engine on the window sticker or VIN before relying on the number, and use the comparison links below to see how those same configurations line up against rival models.
Where these Jeep Gladiator figures come from
Every value on this page is loaded from federal open data — EPA fuel economy submissions, NHTSA vehicle and crash-test records, and manufacturer specification filings — rather than dealer listings or copied editorial content. The Jeep Gladiator record refreshes as the agencies publish, which typically means new model-year rows appear in the autumn and crash-test results follow through the model year as vehicles are tested. Because certification data is filed per configuration, treat any single headline number for this vehicle with caution: the figure that applies to a specific car depends on its engine, drivetrain, body style and model year, all of which are listed separately above. If a number here disagrees with a brochure, the brochure is usually quoting the best available configuration rather than the one being sold.
Frequently Asked Questions About Gladiator Engine Specs
What engine does the Jeep Gladiator have?
The Jeep Gladiator is available with 6 cylinder engines ranging up to 3.6L. Transmission and drivetrain options vary by trim. See the full table above.
Is the Jeep Gladiator available with all-wheel drive?
Check the drive column in the table above to see available drivetrain configurations.
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