2023 Jeep Gladiator EcoDiesel 4WDFuel Economy & MPG Ratings

Diesel Standard Pickup Trucks 4WD4-Wheel Drive
City
22
MPG
Highway
28
MPG
Combined
24
MPG

Trim Comparison

Automatic 8-spd
Diesel Diesel
City
22
Hwy
28
Comb
24
Fuel cost: $3,500/yr
Annual Fuel Cost
$3,500

Based on gasoline at $3.67/gal, 15,000 miles/year

5-Year Fuel Savings
$-5,500

vs. average new vehicle

EPA Fuel Economy Score: 5/10
GHG Score: 4/10

Environment

CO₂ Tailpipe Emissions
423 g/mile
Annual Petroleum Consumption
14.9 barrels

Specifications

Engine
3L 6-cyl
Transmission
8-speed Automatic
Drivetrain
4WD
Body Style
Pickup Truck
GVWR
Class 2-3 (6,001–10,000 lbs)

Source: EPA fuel economy data & NHTSA vPIC. Specifications reflect the most common trim configuration.

Engine & Efficiency Details

Source: EPA fueleconomy.gov

Engine Size
3L, 6-cylinder
Efficiency Tech
Auto Start-Stop
Fuel Type
Diesel

Annual Fuel Cost by State

Prices as of week ending May 18, 2026 · Source: EIA

National AvgEPA default
$4.490/gal$2,806/yr
California
$5.957/gal$3,723/yr
Texas
$3.888/gal$2,430/yr
Florida
$4.136/gal$2,585/yr
New York
$4.522/gal$2,826/yr
Ohio
$4.510/gal$2,819/yr
Washington
$5.591/gal$3,494/yr
Colorado
$4.618/gal$2,886/yr
Minnesota
$4.344/gal$2,715/yr
Massachusetts
$4.448/gal$2,780/yr

Calculated at 15,000 miles/year (EPA standard assumption) using 24 MPG combined. Regular gasoline prices. Actual costs vary.

NHTSA Safety Ratings

Source: NHTSA (nhtsa.gov)

Crash Test Scores

Front Crash — Overall
Front Crash — Driver Side
Front Crash — Passenger Side
Rollover
Rollover Probability26.7%

Safety Equipment

Forward Collision Warning: Optional
48
Owner Complaints
5
Recalls
1
Investigations

Recall History5

Source: NHTSA

Owner-Reported Problems48 complaints

Source: NHTSA

NHTSA has received 48 owner complaints for the 2023 Jeep Gladiator EcoDiesel 4WD. Top reported issues include electrical system, suspension and steering. The data below is sourced from consumer complaints filed directly with NHTSA.

Problems by System / Component

Electrical System
13
Suspension
11
Steering
8
Fuel System
7
Engine
6
Power Train
6
Brakes
3
Wheels & Tires
2

2023 Jeep Gladiator EcoDiesel 4WD problems by category: Electrical System: 13 complaints, Suspension: 11 complaints, Steering: 8 complaints, Fuel System: 7 complaints, Engine: 6 complaints, Power Train: 6 complaints, Brakes: 3 complaints, Wheels & Tires: 2 complaints.

0
Crashes Reported
4
Fires Reported
0
Injuries Reported

Sample Owner Complaints

SuspensionFiled: 10/30/2024ODI#11622691
The contact rented a 2023 Jeep Gladiator from Budget Rental Car Company located at 28 Ibm Rd, Poughkeepsie, NY 12601. The contact stated while driving 65 MPH and driving over a pothole in the roadway,…
Electrical SystemFiled: 02/29/2024ODI#11574696
This Gladiator had at the time less than 5k miles on it. I went to start the Jeep and there was no power. No lights, not starting nothing. I called the dealer. They would not deal with me without goin…
SteeringFiled: 05/28/2023ODI#11524214
Was driving and my vehicle came up and said I had an issue with the electrical power steering assist system and was going to shut off. I was waiting at a red light the vehicle put itself in park and s…

Complaint data is sourced from the NHTSA Complaints Database. Reports are filed by vehicle owners and may not reflect confirmed defects. Last updated via NHTSA API.

Related

Jeep Gladiator EcoDiesel 4WD MPG History
See how this model's fuel economy changed by year

Similar Standard Pickup Trucks 4WD, 2023

All Jeep Models