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Jeep
Wrangler
JL·
2018-2026
suv-4wd
Caution
Price (AUD)
$35k-$95k
Body styles
2-door wagon (JL short-wheelbase), 4-door wagon (JLU Unlimited)
Drivetrain
Part-time 4WD, dual-range (Command-Trac, Sport/Overland), Selectable full-time/part-time 4WD, dual-range (Selec-Trac, some grades), Part-time 4WD, dual-range with front/rear lockers + sway-bar disconnect (Rock-Trac, Rubicon)
Origin
USA
Built in
USA (Toledo, Ohio)
Overview
The JL replaced the JK in Australia from 2019 and is sold as Sport S, Overland and Rubicon, in 2-door and the far more popular 4-door Unlimited (JLU) body. It is one of the few remaining true ladder-frame, dual-range, solid-axle 4WD wagons - genuinely capable off-road, especially the Rubicon with its factory front and rear lockers, electronic sway-bar disconnect and 4:1 Rock-Trac transfer case. The Australian engine line-up is the 3.6L Pentastar V6 petrol (the mainstay across the whole run), a 2.2L Multijet II turbo-diesel offered roughly 2019-2021 (mainly Rubicon and Overland), and the 2.0L GME turbo petrol with eTorque mild-hybrid added later on higher grades. The 4xe plug-in hybrid was NOT sold in Australia (left-hand-drive only), so it is intentionally excluded here. Buy a Wrangler for what it is - charismatic, removable-roof, hugely capable - not for reliability: the JL has well-documented 'death wobble' front-end behaviour, Pentastar oil-cooler/filter-housing leaks, stop-start auxiliary-battery gremlins, water ingress and electrical niggles. Jeep's patchy reliability and resale reputation in Australia is why this sits as a 'warn' tier - desirable, but go in with eyes open and a strong warranty/PPI.
Engines & variants
3.6L Pentastar V6 petrol
Engine
3.6L DOHC 24v VVT petrol V6
Config
V6 NA
Displacement
3604cc
Power
209-213kW @ ~6400rpm
Torque
347Nm @ ~4100rpm
Drivetrain
Part-time / selectable 4WD, dual-range
0–100
~7.5-8.5s
Economy
10-13 L/100km combined (real world often higher)
Tow (braked)
2495kg (4-door); ~1500kg (2-door)
Tow (unbraked)
750kg
Transmission
6MT, 8AT (850RE)
Timing chain / belt / gear
Chain-driven
Pros
- Proven, widely used Pentastar V6 - the AU mainstay engine
- No DPF/diesel after-treatment complexity
- Available with a 6-speed manual (the only way to get a manual JL here)
- Strong, smooth power and a good off-road torque spread
- Simpler and cheaper to fix than the diesel when things go wrong
Cons
- Thirsty for its size, especially around town and when towing
- Plastic oil-cooler/filter housing is a known leak point
- Rocker-arm/lifter wear can develop at higher km
- Modest torque next to a turbo-diesel for heavy touring loads
Known problems
medium
Oil-cooler / oil-filter housing leak
The Pentastar's plastic oil-cooler/filter-housing assembly becomes brittle and leaks oil (and sometimes coolant) down the back of the engine onto the bellhousing - one of the most common Pentastar complaints.
Fix: Replace the housing (aftermarket alloy units exist) with new O-rings; address early before oil contaminates other components.
medium
Rocker-arm / lifter tick and failure
Pentastar rocker arms/lifters can wear and fail, causing a tick, misfire codes and a check-engine light; in bad cases the cam and valvetrain need work on one or both heads.
Fix: Replace affected rockers/lifters (and cam if scored); keep to clean oil and proper service intervals to reduce risk.
low
Fuel thirst
Not a fault, but the V6 in a brick-shaped 4WD drinks - 13 L/100km+ in town and worse towing.
Fix: Accept it; the diesel is the answer for heavy touring economy.
2.0L GME turbo petrol (eTorque mild-hybrid)
Engine
2.0L turbocharged DOHC 16v petrol I4 with 48V eTorque belt-starter mild-hybrid
Config
I4 turbo (mild hybrid)
Displacement
1995cc
Power
200kW @ ~5250rpm
Torque
400Nm @ ~3000rpm
Drivetrain
Part-time / selectable 4WD, dual-range
0–100
~6.5-7.5s
Economy
9-12 L/100km combined (real world often higher)
Tow (braked)
2495kg
Tow (unbraked)
750kg
Transmission
8AT (850RE)
Timing chain / belt / gear
Chain-driven
Pros
- More low-down torque than the V6 (400Nm) and quicker in a straight line
- eTorque smooths stop-start and adds light electrical assist
- Better around-town economy than the thirsty V6
- Petrol - none of the diesel DPF/EGR/wet-belt complexity
Cons
- Auto-only - no manual option on this engine
- Documented coolant-loss issue on the 2.0 turbo
- More complex (turbo + 48V system) than the naturally aspirated V6
- Smaller, harder-working engine - long-term durability less proven than the V6
Known problems
medium
Coolant loss on the 2.0 turbo
The 2.0 GME turbo has a well-reported tendency to lose coolant with no obvious external leak, raising concern about internal coolant migration; needs investigation as it can escalate.
Fix: Pressure-test the cooling system, monitor coolant level, and have any internal coolant loss diagnosed early under warranty where possible.
medium
Stop-start / 48V eTorque auxiliary battery faults
The stop-start and 48V mild-hybrid system rely on a healthy auxiliary/12V battery pair; premature battery failure causes warning lights, erratic stop-start and electrical glitches.
Fix: Replace failed batteries with correct spec; check charging/BMS and software updates.
low
Turbo / forced-induction wear at high km
As a small turbo engine working hard in a heavy 4WD, the turbo and related plumbing can wear at higher km, especially if oil services are stretched.
Fix: Strict oil-change discipline; address boost/oil-consumption symptoms early.
2.2L Multijet II turbo-diesel
Engine
2.2L common-rail turbo-diesel DOHC 16v I4
Config
I4 turbo
Displacement
2184cc
Power
147-149kW @ ~3500rpm
Torque
450Nm @ ~2000rpm
Drivetrain
Part-time 4WD, dual-range (incl. Rubicon Rock-Trac with lockers)
0–100
~8.5-9.5s
Economy
7.5-9 L/100km combined
Tow (braked)
2495kg
Tow (unbraked)
750kg
Transmission
8AT (850RE)
Timing chain / belt / gear
Belt-in-oil (wet belt) - scheduled replacement
Pros
- Best economy and the strongest low-rev torque (450Nm) for touring/towing
- Long range from modest fuel use - well suited to remote travel
- Effortless, relaxed off-road and highway crawl
- The diesel Rubicon pairs serious capability with diesel touring range
Cons
- Only offered for a short window (~2019-2021) - limited supply, premium price
- DPF dislikes short urban trips and stop-start use
- EGR/intake carbon build-up over time
- Wet timing belt (belt-in-oil) is a scheduled, oil-sensitive service item
- Diesel repairs are pricier and need a specialist
Known problems
medium
DPF clogging / failed regen on short trips
The DPF will not passively regenerate on short, low-speed urban runs or constant short towing, causing DPF-full warnings, failed regens and limp mode.
Fix: Regular highway runs to allow full regen; forced regen or DPF clean/replacement if loaded; address early before back-pressure damages the turbo.
medium
EGR valve sticking / intake carbon build-up
Soot from EGR recirculation cakes the intake and EGR valve, causing rough idle, lost power and fault codes - typical modern common-rail diesel behaviour.
Fix: EGR and intake clean; replace EGR valve if sticking; keep up with oil and filter services.
high
Wet timing belt (belt-in-oil) wear
The 2.2 uses a belt-in-oil design that is sensitive to oil condition and grade; degraded belt material can shed and a neglected/overdue belt risks catastrophic engine damage.
Fix: Strictly follow the oil spec and belt-replacement interval; confirm belt/oil history before purchase and budget for the scheduled change.
Common problems (all variants)
high
'Death wobble' - front-end steering oscillation
The JL's solid front axle can develop violent steering-wheel oscillation ('death wobble') triggered by a bump at speed, caused by worn or under-torqued track bar, ball joints, tie-rod ends, control-arm bushes or steering damper. Alarming but usually fixable.
Fix: Inspect and re-torque/replace track bar, ball joints, tie-rod ends and damper; upgraded aftermarket track bar/steering links are a common permanent fix. Address before bolt holes wear oval.
medium
Water leaks into the cabin
With its removable roof and doors, the Wrangler is prone to water ingress around the door seals, freedom-top panels, windscreen frame and footwells in heavy rain or at the car wash.
Fix: Reseat/replace door and roof seals, check drain channels and roof-panel alignment; a known ownership quirk more than a defect.
medium
Electrical gremlins (modules, TIPM, stop-start, infotainment)
Owners report assorted electrical faults - body-control/TIPM issues, Uconnect/infotainment glitches, parasitic drains and stop-start/auxiliary-battery warnings.
Fix: Diagnose with a Jeep-capable scan tool; software updates, battery replacement or module repair as needed.
low
Windscreen cracking (near-vertical glass)
The almost upright windscreen takes stone hits flush-on and chips/cracks easily - a frequent complaint and a real running cost on dirt roads.
Fix: Replace glass; consider a windscreen protection film if doing a lot of gravel/outback driving.
low
Paint bubbling / corrosion on body panels
Paint bubbling and surface corrosion have been reported on some panels and edges; check seams, door frames and under removable hardware.
Fix: Warranty paint claim where eligible; otherwise panel prep and repaint. Inspect thoroughly pre-purchase.
low
Driveline / off-road wear (axles, U-joints, lockers)
Hard off-road use wears front U-joints/axle joints, ball joints and (on Rubicon) the electronic locker and sway-bar-disconnect mechanisms.
Fix: Standard solid-axle 4WD maintenance; inspect and service lockers/sway-bar disconnect on Rubicons.