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2023 Jeep Gladiator

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2023 Gladiator.

Transmission Automatic 8-spd

The 2023 Jeep Gladiator enters the market with a 9.0‑qt oil capacity and 5W‑40 viscosity, mated to an automatic 8‑speed transmission and EPA‑rated fuel economy of 17 mpg city, 22 mpg highway, and 19 mpg combined. It records 55 total owner complaints, concentrated in the Fuel/Propulsion System, and has been subject to six recalls; historically, complaint volume peaked at 478 in 2020 but fell to a single complaint by 2026, signaling a substantial reliability gain for the 2023 model year.

Model year202620252024202320222021202019671966

Quick specs

Fluid capacities, tune-up values and fuel economy at a glance.

Engine oil capacity9.0 qtOEM · verified
Engine oil type5W-40OEM · verified
Lug nut torque130.0 ft-lbsOEM · verified
EPA fuel economy17/22/19 mpgEPA · verified

Fitment & sizes

Replacement part sizes and factory part numbers — battery, bulbs, filters and belts.

From the factory this vehicle uses OE oil filter 68505111AA. Each part links to every other vehicle that shares it, so a part you already stock may fit more of your fleet than you'd expect.

Tire size275/55R20 113TOEM · verified
Wheel / rim8.0 inOEM · verified

OE service part numbers OEM · verified

Engine oil filter68505111AA alt 68191349AC
Engine air filter68257030AA alt 68293164AC
Fuel filter68436631AA
Spark plugSP225755AB
Battery56029759AB alt 56029758AB
Front wiper blades68383600AB
Thermostat68490088AA alt 68212516AA
Cabin air filter68364653AA alt 68565698AA

Full specifications

Engine, drivetrain, dimensions and economy.

Engine & drivetrain NHTSA vPIC

TransmissionAutomatic 8-spd

Dimensions & weight NHTSA vPIC

Overall length216.9 in
Overall width74 in
Overall height73.6 in
Wheelbase137.4 in
Curb weight4751 lb
Track (front / rear)64.2 / 64.2 in
Weight distribution (front / rear)54/46

Ratings & economy EPA / vPIC

EPA city / highway / combined17 / 22 / 19 mpg
Drivetrain4-Wheel Drive
Recommended fuelRegular Gasoline

Performance & power Independent road tests

0–60 mph, quarter-mile, horsepower and torque from independent road tests.

Independent road tests for the Gladiator of this era, listed by trim and engine — this page spans more than one engine, so no single horsepower figure is shown.

7.3 sec0–60 mph (tested)quickest 7.30 sec — 2023 Overland EcoDiesel Crew Cab (5' Bed)
YearTrim / engine0–60¼ mileHPDrivetrain
2023Overland EcoDiesel Crew Cab (5' Bed) 3.0L Turbo Diesel V67.30 sec15.60 sec260 hp4WD
2024Mojave X Crew Cab (5' Bed) 3.6L V68.20 sec16.30 sec285 hp4WD
2021Sport EcoDiesel Crew Cab (5' Bed) 3.0L Turbo Diesel V67.60 sec15.90 sec260 hp4x4
2021Mojave Crew Cab (5' Bed) 3.6L V68.60 sec16.50 sec285 hp4x4
2020Overland Crew Cab (5' Bed) 3.6L V67.20 sec15.50 sec285 hp4x4
2020Overland Crew Cab (5' Bed) 3.6L V67.30 sec15.60 sec285 hp4x4
2020Sport Crew Cab (5' Bed) 3.6L V67.90 sec16.30 sec285 hp4x4
2020Rubicon Crew Cab (5' Bed) 3.6L V68.10 sec16.10 sec285 hp4x4

Service quick specs OEM factory data

Capacities, torques and tune-up values from the factory service manual.

This engine holds 9.0 qt of 5W-40 engine oil, API · GL-5 · 75W-85 in the differential, DOT 3 · DOT 3 · DOT 4 brake fluid. Torque lug nuts to 130.0 ft-lbs. The firing order is 1-2-3-4-5-6.

Lubricants & capacities

Automatic Transmission FluidATF
Automatic Transmission Fluid Capacity9.5 qt
Automatic Transmission FluidATF
Automatic Transmission Fluid Capacity9.5 qt
Brake FluidDOT 3 · DOT 3 · DOT 4
Brake FluidDOT 3 · DOT 3 · DOT 4
Clutch FluidDOT 3 · DOT 3 · DOT 4
Differential Gear OilAPI · GL-5 · 75W-85

Engine torques

Crankshaft Position (CKP) Sensor Bolt(s)4.4 ft-lbs
Camshaft Position (CMP) Sensor Bolt(s)5.9 ft-lbs
Crankshaft Position (CKP) Sensor Bolt(s)9.0 ft-lbs
Camshaft Position (CMP) Sensor Bolt(s)6.7 ft-lbs
Camshaft Bearing/Carrier Cap Bolts or Studs8.0 ft-lbs
Camshaft Bearing/Carrier Cap Bolts or Studs7.4 ft-lbs
Engine Coolant Temperature (ECT) Sensor Bolt(s)8.0 ft-lbs
Oxygen (O2S) Sensor Bolt(s)37.0 ft-lbs

Chassis torques

Differential Fill Plug25.0 ft-lbs
Differential drain Plug25.0 ft-lbs
Differential Fill Plug25.0 ft-lbs
Differential drain Plug25.0 ft-lbs
Differential Fill Plug26.0 ft-lbs
Differential drain Plug26.0 ft-lbs
Lug Nuts130.0 ft-lbs
Transfer Case Fill Plug21.0 ft-lbs

Ignition

Cylinder Firing Order1-4-2-5-3-6
Cylinder Firing Order1-2-3-4-5-6
Spark Plug ManufacturerMopar
Spark Plug Gap0.043" in
Spark Plug Torque15.0 ft-lbs
Spark Plug ManufacturerMopar
Spark Plug Gap0.043" in
Spark Plug Torque15.0 ft-lbs

Battery & A/C

RefrigerantR1234yf
Refrigerant Capacity1.06 lbs
Oil TypeFD46XG
Oil Capacity5.0 oz
RefrigerantR1234yf
Refrigerant Capacity1.06 lbs
Oil TypeFD56XG
Oil Capacity5.0 oz

Brakes

Brake Caliper Bolt to Carrier Torque27.0
Brake Caliper Bolt to Carrier TorqueFront: 55.0 ft-lbs; Rear: 27.0 ft-lbs
Vented Rotor Minimum Thickness for ReplacementFront: 1.039; Rear: 0.787
Maximum Rotor Runout0.0008"
Solid Rotor Minimum Thickness for ReplacementFront: 1.039; Rear: 0.787
Maximum Rotor Runout0.0008"
Solid Rotor Minimum Thickness for ReplacementFront: 1.118; Rear: 0.803
Variation from Parallelism Thickness Variation0.00059"

Multi-step torque procedures OEM · verified

Front Wheel Hub Bearing Housing Bolts — tightening sequence 1 stages
137.0 ft. lbs., Step 2: 165°37 ft. lbs
Rear Wheel Hub Bearing Housing Bolts — tightening sequence 1 stages
137.0 ft. lbs., Step 2: 165°37 ft. lbs
Cylinder Head — tightening sequence 1 stages
122.0 ft. lbs., Step 2: 33.0 ft. lbs., Step 3: 33.0 ft. lbs., Step 4: Do not use a torque wrench. 125°. Step 5: Loosen all fasteners in reverse order of installation. Step 6: 22.0 ft. lbs., Step 7: 33.0 ft. lbs., Step 8: 33.0 ft. lbs., Step 9: Do not use a torque wrench. 130°.22 ft. lbs
Engine Flywheel Bolts — tightening sequence 1 stages
137 ft. lbs., Step 2: 92 ft. lbs., Step 3: 3037 ft. lbs
Exhaust Manifold to Cylinder Head Bolts — tightening sequence 1 stages
111.0 ft. lbs., Step 2: 30.011 ft. lbs
Main Bearings — tightening sequence 6 stages
1Using new bolts, install the twenty six M12 bolts (1 - 26) and the three M8 bolts finger tight.
2Using the tightening shown, tighten all M12 bolts to 33 ft. lbs.33 ft. lbs
3Using a torque angle gauge, tight the internal bed plate bolts (1 - 16) an additional 110 degrees.110 degrees
4Tight the external bed plate bolts 89 ft. lbs.89 ft. lbs
5Tighten the three M8 bolts 22 ft. lbs.22 ft. lbs
6Check the torque of the M12 bolts in a counterclockwise direction with the torque wrench set at 85

Factory maintenance schedule OEM · verified

Normal service, condensed from the factory interval matrix.

Under the factory schedule, replace the engine oil and filter every 8,000 mi.

Every 8,000 miEngine Oil (drain & refill) · Engine Oil Filter (replace)
Every 10,000 miBattery (inspect) · Body Latches, Locks & Hinges (inspect) · Brake System (inspect) · CV Joint Boot (inspect) · Diesel Emissions Fluid (fill) · Driveshaft U-Joint (inspect)
Every 12,000 miCabin Air Filter (replace)
At 20,000 miDifferential (inspect fluid level)
Every 20,000 miBrake Linings (inspect) · Differential (inspect fluid level) · Fuel Filter (replace) · Parking Brake System (inspect) · Suspension System (inspect) · Tie Rod (inspect)
At 30,000 miTransfer Case Assembly (inspect fluid level)
Every 30,000 miEngine Air Filter Element (replace)
Every 40,000 miDifferential (inspect fluid level)
Every 60,000 miTransfer Case Assembly (inspect fluid level)

Owner how-tos

Condensed service procedures for routine maintenance. Procedures that require dealer diagnostic equipment are identified and summarized only.

Common procedures

Key fob — remote (RKE) programming programming new fob buttons Dealer tool OEM · verified
Tool requiredDRBIII scan tool (dealer / locksmith)
WhyTransmitter codes are written into the receiver in the passenger door module
Anti-theft (SKIS) — module initialization after immobilizer module replacement Dealer tool OEM · verified
When neededAfter Sentry Key Immobilizer Module (SKIM) replacement
Tool requiredDRBIII scan tool
Also requiredThe vehicle's four-digit PIN code

Reliability & federal safety record

Owner-reported issues, recalls, investigations and service bulletins on record with NHTSA — an unfiltered look at what owners actually experience.

The 2023 Jeep Gladiator sits at the lower end of the recent federal trend, with 55 complaints and 6 recalls—down from 113 complaints in 2022 and 478 in 2020—indicating a clear decline in reported issues year over year. Recall activity remains steady at six, similar to the eight recalls seen in 2021 and 2022, showing no sharp increase or decrease in safety defects. Investigations and TSBS counts also fall, with only one investigation and 367 TSBS entries, reflecting improved reliability. The top complaint categories for 2023—Fuel/Propulsion System (7), Electrical System (6), Power Train (5), and Service Brakes (4)—highlight the areas most frequently cited, though the overall volume is modest. With no crash complaints and only three fire-related complaints, the 2023 model year demonstrates a favorable safety profile, making it a strong candidate for purchase in this generation.

6
Open recalls
NHTSA campaigns
367
Service bulletins
Manufacturer communications
1
ODI investigations
Office of Defects Investigation
55
Owner complaints
0 involved a crash · 3 a fire
NHTSA crash-test rating federal NCAP · out of 5 stars
Frontal★★★★★
Rollover★★★★★
Owner complaints by model year NHTSA · this generation & adjacent
’20’21’22’23’24’25’26

Owner complaints filed with NHTSA, by component

All 55 complaints on record, top 8 components.

Fuel/Propulsion System7
Electrical System6
Power Train5
Service Brakes4
Unknown Or Other4
Steering,Suspension4
Suspension4
Electrical System,Engine3

Source: NHTSA Office of Defects Investigation complaint database.

Recalls NHTSA · verified

Showing 2 of 6 campaigns on record for this vehicle.

23V116000Power Train:Clutch AssemblyReported 23/02/2023

Chrysler (FCA US, LLC) is recalling certain 2018-2023 Jeep Wrangler, and 2020-2023 Jeep Gladiator vehicles equipped with manual transmissions. The clutch pressure plate may overheat and fracture. Remedy: Dealers will replace the clutch assembly and update the software, free of charge. Owner notification letters were mailed from November 16, 2023 through July 25, 2024. Owners may…

23V263000Fuel System, Diesel:Delivery:Fuel PumpReported 13/04/2023

Chrysler (FCA US, LLC) is recalling certain 2021-2023 Jeep Wrangler, Gladiator, and 2022-2023 Ram 1500 vehicles equipped with a 3.0L diesel engine. The high pressure fuel pump (HPFP) may fail. Remedy: Dealers will replace the HPFP and replace additional fuel system components, as necessary, free of charge. Owner notification letters were mailed October 17, 2023. Owners may…

Technical service bulletins NHTSA · verified

Showing 5 of 367 bulletins on record with NHTSA.

BulletinDateComponentSummary
S2508000025 REV. B2026-07-06Electrical SystemInstrument Panel Cluster (IPC) and Radio Compass Display has Dashes (--)
S2508000025 REV.A2026-06-26Electrical SystemInstrument Panel Cluster (IPC) and Radio Compass Display has Dashes (--)
1128632026-06-23Electrical SystemMOTOR - BLOWER WITH WHEEL
1128622026-06-23Electrical SystemMOTOR - BLOWER WITH WHEEL
1128422026-06-18EngineBOLT - HEX FLANGE HEAD

Common OBD-II trouble codes

The most common OBD-II codes for this vehicle's emissions system. These are standardized SAE J2012 definitions, not vehicle-specific fault reports.

P0420
Catalyst system efficiency below threshold — Bank 1
P0300
Random / multiple cylinder misfire detected
P0171
System too lean — Bank 1
P0455
Evaporative emission system leak detected — large leak
P0128
Coolant thermostat below regulating temperature
P0442
Evaporative emission system leak detected — small leak

VIN tools

Decode factory build data for a specific vehicle by VIN.

VIN
Decode a VIN to confirm the transmission and build data for a specific Gladiator. OEM
Build data
Plant, GVWR class, engine and body data for any 17-character VIN.
Recalls
Check open recall campaigns against a specific vehicle by VIN.

Vehicles with shared specs

Find every vehicle that shares this one's battery, bulbs, oil capacity, platform or parts.

Vehicles taking 9.0 qtEngine oil filter 68505111AAEngine air filter 68257030AAFuel filter 68436631AASpark plug SP225755AB

Reference guides

Cross-vehicle references for the kinds of data on this page.

Vehicle recalls & TSBsOBD-II trouble codesTorque specificationsMaintenance schedulesFluid capacities & specs

Frequently asked

How much oil does the 2023 Gladiator take?

9.0 qt of Mopar Synthetic 5W-40 Engine Oil Meeting MS 12991, per the factory manual.

Does the 2023 Gladiator have open recalls?

NHTSA lists 6 recall campaign(s) for this model year. Check your specific vehicle by VIN.

What gas mileage does the Gladiator get?

EPA figures are 17 city / 22 highway / 19 combined mpg.