U.S. vehicle reference
2018 Jeep Wrangler Specs, MPG and Recalls
2018 Jeep Wrangler oil capacity, oil type, tire sizes and service specifications by engine, with EPA ratings and NHTSA recall records below.
At a glance
2018 Jeep Wrangler reference
Use the summary to orient yourself, then open the exact engine, drivetrain and source record below.
OE tire size
Not published
2018 Jeep Wrangler Oil Capacity and Oil Type
Oil specification
API SN PLUS; FCA MS-13340
Source
2.0L Turbo manufacturer referencesAccessed 2026-09-05Oil filter
Not published
2018 Jeep Wrangler Wheel Torque Specs
Fluids
Transmission capacity
Not published
Transmission fluid
Not published
Coolant type
Mopar OAT coolant meeting FCA MS.90032
Source
2.0L Turbo manufacturer referencesAccessed 2026-09-05Brake fluid
Mopar DOT 3 brake fluid, SAE J1703
Source
2.0L Turbo manufacturer referencesAccessed 2026-09-05Power steering fluid
Not published
Differential fluid
Not published
Service Intervals
Compare service intervals| Item | Months | Miles |
|---|---|---|
| Engine oil and filter | 12 | 10,000 |
2.0L Turbo manufacturer references
2018 Jeep Wrangler JL Owner's Manual, pp. 365–366, 503, 509–512 Accessed 2026-09-052018 Jeep Wrangler JL Owner's Manual PDF copy Accessed 2026-09-052018 Jeep Wrangler oil capacity by engine
These are the compiled configurations. An engine name alone may not identify the tire package or transmission. Read the configuration label and source before choosing parts.
| Configuration | Oil with filter | Oil type | Source | Calculator |
|---|---|---|---|---|
| 2.0L Turbo | 5 US qt | SAE 5W-30 full synthetic | 2018 Jeep Wrangler JL Owner's Manual, pp. 365–366, 503, 509–512 Accessed 2026-09-052018 Jeep Wrangler JL Owner's Manual PDF copy Accessed 2026-09-05 | Use this capacity |
| 3.6L V6 | 5 US qt | SAE 0W-20 | 2018 Jeep Wrangler JL Owner's Manual, pp. 365–366, 503, 509–512 Accessed 2026-09-052018 Jeep Wrangler JL Owner's Manual PDF copy Accessed 2026-09-05 | Use this capacity |
2018 Jeep Wrangler MPG by engine and drivetrain
EPA combined ratings run from 18 to 24 mpg across 10 configurations. Match the engine, transmission and drivetrain in the table before comparing fuel costs.
| Engine / transmission | City | Highway | Combined | Annual fuel | CO₂ |
|---|---|---|---|---|---|
| 3.6L 6-cylinderAutomatic 5-spd · 4-Wheel Drive · Regular Gasoline | 17 mpg | 21 mpg | 18 mpg | $3,400 | 481 g/mi |
| 3.6L 6-cylinderManual 6-spd · 4-Wheel Drive · Regular Gasoline | 17 mpg | 21 mpg | 18 mpg | $3,400 | 480 g/mi |
| 3.6L 6-cylinderAutomatic 5-spd · 4-Wheel Drive · Regular Gasoline | 16 mpg | 20 mpg | 18 mpg | $3,400 | 504 g/mi |
| 3.6L 6-cylinderManual 6-spd · 4-Wheel Drive · Regular Gasoline | 16 mpg | 21 mpg | 18 mpg | $3,400 | 502 g/mi |
| 3.6L 6-cylinderAutomatic 8-spd · 4-Wheel Drive · Regular Gasoline | 18 mpg | 23 mpg | 20 mpg | $3,100 | 443 g/mi |
| 3.6L 6-cylinderManual 6-spd · 4-Wheel Drive · Regular Gasoline | 17 mpg | 23 mpg | 19 mpg | $3,250 | 459 g/mi |
| 3.6L 6-cylinderManual 6-spd · 4-Wheel Drive · Regular Gasoline | 17 mpg | 25 mpg | 20 mpg | $3,100 | 446 g/mi |
| 3.6L 6-cylinderAutomatic 8-spd · 4-Wheel Drive · Regular Gasoline | 18 mpg | 23 mpg | 20 mpg | $3,100 | 440 g/mi |
| 2.0L 4-cylinder turboAutomatic 8-spd · 4-Wheel Drive · Premium Gasoline | 23 mpg | 25 mpg | 24 mpg | $3,150 | 375 g/mi |
| 2.0L 4-cylinder turboAutomatic 8-spd · 4-Wheel Drive · Premium Gasoline | 22 mpg | 24 mpg | 22 mpg | $3,450 | 394 g/mi |
Annual fuel figures are the EPA snapshot at the source date. The calculator below uses the separately dated fuel-price record and your inputs, so the estimates may differ.
2018 Jeep Wrangler annual fuel cost calculator
Start with the combined MPG for 3.6L 6-cylinder, Automatic 5-spd, 4-Wheel Drive. Replace it with your measured gas mileage and local pump price for a personal budget.
Formula annual miles ÷ MPG × gasoline price
Fuel cost per mile equals gasoline price divided by MPG. Multiply by your annual mileage for a yearly fuel budget. Add maintenance to estimate cost per mile.
2018 Jeep Wrangler recall campaigns
NHTSA returned 14 model-level campaign records as of 2026-09-04. A campaign record does not establish whether your vehicle is affected or whether a repair is outstanding. Check your VIN through NHTSA.
SEAT BELTS:FRONT:ANCHORAGE · 19V680000
Chrysler (FCA US LLC) is recalling certain 2011-2018 Jeep Wrangler right hand drive vehicles. The driver's seat belt buckle mounting strap may fracture and separate from the seat frame.
Remedy: FCA US will notify owners, and dealers will replace the driver's seat belt buckle, free of charge. Interim notices informing owners of the safety risk were mailed November 19, 2019. Owners will received a second letter and the recall began March 26, 2020. Owners may contact FCA customer service at 1-800-853-1403. FCA's number for this recall is VA6.
STRUCTURE:FRAME AND MEMBERS · 18V675000
Chrysler (FCA US LLC) is recalling certain 2018-2019 Jeep Wrangler vehicles. The front track bar brackets may be improperly welded, which can cause the bracket to separate from the frame, reducing steering capability.
Remedy: Chrysler will notify owners, and dealers will inspect and repair the track bar bracket welds, as necessary, free of charge. The recall is expected to begin November 17, 2018. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is UA5.
STRUCTURE:FRAME AND MEMBERS · 18V231000
Chrysler (FCA US LLC) is recalling certain 2018 Jeep Wrangler vehicles. The rear under body ladder rail may corrode, possibly reducing the strength of the rear floor pan and causing the left rear seat mount to become loose.
Remedy: Chrysler will notify owners, and dealers will inspect and, as necessary, coat the interior and exterior of the driver's side rear underbody ladder rail with three-part rust protection. The recall began September 11, 2018. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is U27.
LATCHES/LOCKS/LINKAGES:DOORS:LATCH · 18V786000
Chrysler (FCA US LLC) is recalling certain 2018 Jeep Wrangler four-door vehicles. The right rear passenger door latch may not be in the correct location, possibly preventing the door from latching properly.
Remedy: Chrysler will notify owners, and dealers will repair the right rear door latch reinforcement, free of charge. The recall begin December 6, 2018. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is UB6.
POWER TRAIN:AUTOMATIC TRANSMISSION · 18V280000
Chrysler (FCA US LLC) is recalling certain 2018 Dodge Charger, Durango and Challenger, Jeep Grand Cherokee and Wrangler, Chrysler 300, and RAM 1500 vehicles. An incorrect transmission park lock rod may have been installed in the transmission.
Remedy: Chrysler will notify owners, and dealers will install the correct park lock rod, free of charge. The recall began June 28, 2018. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is U43.
ELECTRICAL SYSTEM:WIRING · 18V332000
Chrysler (FCA US LLC) is recalling certain 2014-2018 Dodge Journey, Charger and Durango, RAM 2500, 3500, 3500 Cab Chassis (more than 10,000lb), 4500 Cab Chassis and 5500 Cab Chassis, Jeep Cherokee and Grand Cherokee and Chrysler 300, 2014-2019 RAM 1500, 2015-2018 Dodge Challenger, 2015-2017 Chrysler 200, 2016-2018 RAM 3500 Cab Chassis (less than 10,000 lb), 2017-2018 Chrysler Pacifica and 2018 Jeep Wrangler vehicles. These vehicles are being recalled to address a defect that could prevent the cruise control system from disengaging. If, when using cruise control, there is a short circuit within the vehicle's wiring, the driver may not be able to shut off the cruise control either by depressing the brake pedal or manually turning the system off once it has been engaged, resulting in either the vehicle maintaining its current speed or possibly accelerating.
Remedy: Chrysler will notify owners, and dealers will inspect the software, and perform a software flash on the engine or powertrain control module, free of charge. The recall began June 4, 2018. Owners may contact Chrysler customer service at 1-800-853-1403. Note: Owners are advised to stop using cruise control until the software update has been performed. In the event that cruise control cannot be disengaged while driving, owners should firmly and steadily apply the brakes and shift the transmission to neutral, placing the vehicle in park once it has stopped.
EQUIPMENT · 19V320000
Erwin Hymer Group USA LP dba American Fastbacks (EHGUSA-AF) is recalling certain 2018 Jeep Wrangler vehicles sold with a roof top tent installed. The top cover of the roof top tent may crack or break, possibly resulting in the cover detaching from the vehicle while moving.
Remedy: The remedy for this recall is still under development. The recall began May 9, 2019. Owners may contact American Fastbacks customer service at 1-844-533-7997 extension 301. Note: Vehicles in this recall are also included in recall 19V-190.
POWER TRAIN:CLUTCH ASSEMBLY · 21V028000
Chrysler (FCA US, LLC) is recalling certain 2018-2021 Jeep Wrangler and 2020-2021 Jeep Gladiator vehicles equipped with manual transmissions. The clutch pressure plate may overheat and fracture.
Remedy: FCA US LLC will notify owners, and dealers will add software to reduce engine torque capability when clutch assembly temperatures rise to a level that may damage the inner pressure plate, free of charge." FCA has ordered a stop sale for the affected vehicles as of February 25, 2021. Owner notification letters were mailed on March 4, 2021.
POWER TRAIN:CLUTCH ASSEMBLY · 20V124000
Chrysler (FCA US LLC) is recalling certain 2018-2020 Jeep Wrangler and 2020 Gladiator vehicles equipped with manual transmissions. The clutch pressure plate may overheat and fracture.
Remedy: Chrysler will notify owners, and dealers will reroute a wire harness and inspect the clutch system, and replace components as needed. The recall began April 30, 2020. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is W12.
STEERING · 18V343000
Chrysler (FCA US LLC) is recalling certain 2018 Jeep Wrangler vehicles. The intermediate steering shaft may not have been properly welded causing a split where the external spline is formed.
Remedy: Chrysler will notify owners, and dealers will inspect and, as necessary, replace the intermediate steering shaft, free of charge. The recall began June 21, 2018. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is U48.
ELECTRICAL SYSTEM:WIRING:FRONT UNDERHOOD · 18V524000
Chrysler (FCA US LLC) is recalling certain 2018 Jeep Renegade, Compass and Grand Cherokee, RAM 1500 and Promaster, Fiat 500x, Dodge Journey, Challenger, Charger and Durango and Chrysler 300x vehicles, 2017-2018 Jeep Wrangler, Dodge Grand Caravan and Chrysler Town and Country vehicles and 2018-2019 Jeep Cherokee and 2018 Chrysler Pacifica and Pacifica Hybrid vehicles. The powertrain control module may be equipped with a voltage regulator chip in the circuit board that may fail, causing a stall or a no start condition.
Remedy: Chrysler will notify owners, and dealers will replace the powertrain control module, free of charge. The recall began October 2, 2018. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is U87.
POWER TRAIN:CLUTCH ASSEMBLY · 23V116000
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 contact (FCA US, LLC) customer service at 1-800-853-1403. FCA US LLC's number for this recall is 19A. This recall expands and replaces previous recall 21V-028. Vehicles previously repaired under recall 21V-028 will need to have the new remedy completed.
ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL · 24V652000
Chrysler (FCA US, LLC) is recalling certain 2020-2024 Jeep Gladiator and 2018-2024 Jeep Wrangler vehicles. The instrument panel cluster may experience an internal short circuit and fail. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 101, "Controls and Displays."
Remedy: Dealers will replace the instrument panel cluster, free of charge. Owner notification letters were mailed between October 3, 2024, and January 23, 2025. Owners may contact FCA customer service at 1-800-853-1403. FCA's number for this recall is 30B.
BACK OVER PREVENTION: SENSING SYSTEM: CAMERA · 24V676000
Chrysler (FCA US, LLC) is recalling certain 2018-2024 Jeep Wrangler vehicles. The wiring harness for the rearview camera and the center brake light may short circuit, which can disable the rearview camera image and center brake light. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard numbers 111, "Rear Visibility" and 108, "Lamps, Reflective Devices, and Associated Equipment."
Remedy: Dealers replaced the harness for the center brake light and rearview camera and/or the spare tire carrier/harness assembly, as necessary, free of charge. All vehicles were repaired by January 15, 2024. Owner notification letters were mailed September 26, 2024. Owners may contact FCA US, LLC customer service at 1-800-853-1403. FCA US, LLC's number for this recall is 77B.
2018 Jeep Wrangler NHTSA safety ratings
| Vehicle | Overall | Front | Side | Rollover |
|---|---|---|---|---|
| 2018 Jeep Wrangler 2 DR 4WD Later Release | Not rated | Not rated | Not rated | 3/5 |
Confirm the engine, tire package and service procedure
Match your engine and transmission with the configuration selector. Check the door-jamb tire label for your installed wheel package and cold pressure. A capacity is not a substitute for the filling procedure in the owner's manual; transmission change quantities and total system capacities can describe different jobs.
Fields marked Not published have no compiled value here. They do not mean zero capacity, no maintenance requirement or permission to substitute a part. Request a specification correction with the exact year, engine and manufacturer reference.
Frequently asked questions
How much oil does a 2018 Jeep Wrangler take?
2.0L Turbo: 5 US qt with filter; SAE 5W-30 full synthetic. 3.6L V6: 5 US qt with filter; SAE 0W-20.
What tire size and wheel torque does the 2018 Jeep Wrangler use?
2.0L Turbo: tire size not published; 130 ft-lb. 3.6L V6: tire size not published; 130 ft-lb.
What is the 2018 Jeep Wrangler gas mileage?
EPA combined ratings run from 18 to 24 mpg across 10 configurations. Match the engine, transmission and drivetrain in the table before comparing fuel costs.
Are these real-world MPG figures for the Wrangler?
These are EPA ratings, not owner-reported mileage. Use your measured MPG in the calculator to estimate your own fuel budget. The configuration table keeps city, highway and combined ratings separate.
Does the 2018 Jeep Wrangler have recalls?
NHTSA returned 14 model-level campaign records as of 2026-09-04. A campaign record does not establish whether your vehicle is affected or whether a repair is outstanding. Check your VIN through NHTSA.
Does annual fuel cost include servicing or insurance?
No. The EPA cost and the calculator cover fuel only. Use the cost-per-mile calculator to add a maintenance allowance. Insurance, depreciation, finance costs and registration are separate ownership expenses.
Compare similar vehicles
Sources and record dates
U.S. EPA FuelEconomy.gov vehicle dataset Accessed 2026-09-05U.S. EIA public gasoline price table Accessed 2026-09-05NHTSA Recalls API Accessed 2026-09-04NHTSA 5-Star Safety Ratings API Accessed 2026-09-052018 Jeep Wrangler JL Owner's Manual, pp. 365–366, 503, 509–512 Accessed 2026-09-052018 Jeep Wrangler JL Owner's Manual PDF copy Accessed 2026-09-05Last updated