verifiedOEM-verified · Updated 2026

2018 Jeep Wrangler Oil Capacity

3.6L Pentastar V6

Oil Capacity — With Filter

6
quarts
5.7 liters

Viscosity

oil_barrel5W-20
Full Synthetic
With oil filter6 qt (5.7 L)
Without oil filter5.7 qt
Recommended viscosity5W-20
Oil typeFull Synthetic
OEM oil filter68099474AA
Change interval8,000 mi / 12,900 km
Drain plug torque25 ft-lb (34 Nm)
verifiedSource: Jeep owner manual lookup for 2018-2024 Wrangler, fluids and capacities section. · Human-verified

Fuel Tank Capacity

Multiple OEM values

verifiedOEM source
Option 117.5 gal (66 L)
Option 221.5 gal (81 L)

Body-style dependent. The 2018 two-door 3.6L value is an explicit inference from the OEM 2018 table layout and is corroborated by the later OEM handbook. Do not flatten into one runtime value without two-door vs four-door metadata.

Body-style dependent. The 2018 two-door 3.6L value is an explicit inference from the OEM 2018 table layout and is corroborated by the later OEM handbook. Do not flatten into one runtime value without two-door vs four-door metadata.

Verified for model years: 2018, 2024

Source: 2018 Jeep All New Wrangler (JL) User's Guide

How to Use This Spec

1

Drain old oil completely. Reinstall drain plug, torque to 25 ft-lb.

2

Install new oil filter (OEM: 68099474AA). Pre-lubricate the gasket with clean oil.

3

Add 6 quarts of 5W-20 full synthetic oil through the filler cap.

4

Run engine 30 seconds, check dipstick, top off to FULL mark if needed. Reset oil life monitor if equipped.

warningImportant Notes
  • • Always verify with your OEM owner's manual. Specifications may vary by trim level and production date.
  • • The drain plug gasket should be inspected and replaced if deformed.

Look Up Another Vehicle

Or look up by VIN →

Related Tools

format_paint
Viscosity Guide
What's the best oil for your climate?
qr_code_scanner
VIN Lookup
Skip manual selection

Always verify against your OEM owner's manual. Specs may vary by trim and production date.