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Top issues
15 known problems · 2 high
high
HECU (ABS module) fire-risk recall - 2016-2021
All engines
high
Theta II connecting-rod bearing wear
2.4L Theta II GDI petrol
medium
GDI intake-valve carbon build-up
2.0L Nu GDI petrol
Recalls
1 on recordREC-005443
2022-06-02
Defect: Due to a software issue, the Heater Core Element may operate at a higher temperature than intended, causing damage to the connector.
Hazard: This may result in a vehicle fire.
Remedy: Contact your local Kia dealership to have the HVAC control unit software updated and the heater core element and connector inspected, replaced if damaged.
Affected: 31,060 units, Kia QL Sportage (2016-2021) and UM Sorento (2015-2020)
Official notice: www.vehiclerecalls.gov.au · details checked 2026-09-29
Check a specific car by VIN at vehiclerecalls.gov.au.
At this odometer
See which of this car's known problems are due at that mileage, which should already have been dealt with, and what's coming up.
Generations
Best and worst years for the Kia Sportage →
Before: Sportage SL (2010-2015)
After: Sportage NQ5 (2021-) →
Price (AUD)
$13k-$32k
Body styles
5-door wagon
Drivetrain
FWD (2.0 GDI), On-demand AWD (2.4 GDI petrol and 2.0 CRDi diesel)
Origin
Korea
Built in
Korea
Overview
The QL Sportage (launched here late 2015 as a MY16, facelifted in 2018) is a soft-roader monocoque crossover, not a true off-roader, and was Kia's volume mid-size SUV alongside the related Hyundai Tucson. The Australian range was Si, Si Premium, SLi, SL and the top Platinum/GT-Line. Three engines were sold locally: a 2.0L Nu GDI petrol (front-drive only, Si/SLi), a 2.4L Theta II GDI petrol (AWD, Platinum), and the strong 2.0L R-series CRDi turbo-diesel (AWD), all with a conventional 6-speed automatic - Australia did NOT get the European 1.6 T-GDi/DCT or 1.7 diesel. It backs the long Kia 7-year warranty and drives well, but it carries the Hyundai-Kia GDI carbon/oil-consumption tendency, the usual diesel DPF/EGR soot issues on short trips, and was caught up in the big Australian HECU (ABS module) fire-risk recall covering 2016-2021 cars. A tidy, well-serviced example with the recall done is a sensible used buy; the diesel is the pick for towing and economy if it has clean service history.
Engines & variants
2.0L Nu GDI petrol
Engine
2.0L Nu DOHC GDI (direct-injection) I4, naturally aspirated
Engine code
Config
I4 NA
Displacement
1999cc
Power
114kW @ 6200rpm
Torque
192Nm @ 4000rpm
Drivetrain
FWD
Economy
8-9.5 L/100km combined (real world)
Tow (braked)
1400kg
Tow (unbraked)
650kg
Transmission
6AT
Timing chain / belt / gear
Chain-driven (timing chain, no scheduled belt replacement)
Pros
- Cheapest and simplest QL to buy and run
- Timing chain - no belt to replace
- No diesel DPF/EGR complexity
- Long balance of Kia's 7-year warranty on later cars
- Adequate around town for a family crossover
Cons
- Genuinely underpowered when loaded or on hills
- Front-wheel drive only - no AWD option on this engine
- GDI carbon build-up and oil consumption tendency
- Modest 1400kg braked towing
- Thirstier than the figures suggest when worked
Known problems
medium
GDI intake-valve carbon build-up
Direct-injection means fuel no longer washes the back of the intake valves, so carbon accumulates and can cause rough idle, hesitation, misfires and lost economy - a known Hyundai-Kia GDI trait.
Fix: Walnut-blast/clean the intake valves; use top-tier fuel; an oil catch-can reduces re-fouling.
medium
Oil consumption (stuck oil-control rings)
Carbon can stick the low-tension oil-control piston rings on these GDI fours, leading to elevated oil consumption between services - part of the wider Hyundai-Kia engine concern that drove the Australian class action.
Fix: Monitor and top up oil; keep to short oil-change intervals; severe cases need short-block/engine work. Check oil level on inspection and ask for service records.
low
Ignition coil / spark plug wear
Coils and plugs wear with age, causing misfire and a check-engine light.
Fix: Replace coils and plugs as a set; routine maintenance item.
2.4L Theta II GDI petrol
Engine
2.4L Theta II DOHC GDI (direct-injection) I4, naturally aspirated
Engine code
Config
I4 NA
Displacement
2359cc
Power
135kW @ 6000rpm
Torque
237Nm @ 4000rpm
Drivetrain
On-demand AWD
Economy
9.5-11.5 L/100km combined (real world)
Tow (braked)
1600kg
Tow (unbraked)
650kg
Transmission
6AT
Timing chain / belt / gear
Chain-driven (timing chain, no scheduled belt replacement)
Pros
- Noticeably more grunt than the 2.0 petrol
- Standard on-demand AWD (Platinum/GT-Line)
- Smooth, refined and quieter than the diesel
- Timing chain - no belt service
- No DPF/EGR diesel maintenance
Cons
- Theta II family carries the connecting-rod-bearing reputation
- GDI carbon and oil-consumption tendency like the 2.0
- Thirsty for a 2.4 NA, especially with AWD
- Only fitted to the dearer Platinum grade
- Modest 1600kg braked towing
Known problems
high
Theta II connecting-rod bearing wear
The Theta II 2.4 GDI family is at the centre of the global Hyundai-Kia engine saga - manufacturing debris and oil-flow issues can wear the connecting-rod bearings, producing a deep knock and possible seizure (and overseas, fires). Australian exposure on the QL is lower than the US recall fleet, but the engine family and the local class action make history and noise checks essential.
Fix: Listen for bottom-end knock on a cold and hot start; verify oil-consumption and service history; check the Australian Kia engine class action / any applicable campaigns. A knocking engine needs replacement.
medium
GDI carbon build-up and oil consumption
As with the 2.0 Nu, the direct-injection 2.4 fouls intake valves with carbon and can consume oil through stuck oil-control rings.
Fix: Walnut-blast intake; monitor and top up oil; top-tier fuel and catch-can help.
low
AWD coupling / transfer wear
The electronically controlled on-demand AWD coupling and rear drive components can develop noise/shudder if fluids are neglected.
Fix: Service the AWD coupling and diff fluids on schedule; inspect for noise.
2.0L R-series CRDi turbo diesel
Engine
2.0L R-series common-rail turbo-diesel I4 with VGT and DPF
Engine code
Config
I4 turbo
Displacement
1995cc
Power
136kW @ 4000rpm
Torque
400Nm @ 1750-2750rpm
Drivetrain
On-demand AWD
Economy
6.5-8.5 L/100km combined (real world)
Tow (braked)
1900kg
Tow (unbraked)
750kg
Transmission
6AT
Timing chain / belt / gear
Chain-driven (timing chain, no scheduled belt replacement)
Pros
- Strong 400Nm - the pick for towing and loaded driving
- Best real-world economy in the range
- Standard on-demand AWD
- Timing chain - no belt service
- Effortless mid-range for highway and country use
Cons
- DPF dislikes short, cold, urban-only trips
- EGR valve/cooler carbon and soot build-up over time
- Vacuum/oil pump and emissions hardware can need attention
- Higher buy-in and servicing cost than the petrols
- Best avoided if the car has lived a stop-start city life
Known problems
medium
DPF clogging on short trips
The diesel particulate filter needs regular highway running to regenerate; cars used only for short, cold urban trips clog the DPF, trigger warning lights, lose power and can need forced regen or replacement.
Fix: Confirm regular highway running and a healthy DPF; forced regen or DPF clean for clogged units; avoid this engine for pure city duty.
medium
EGR valve / cooler carbon build-up
The EGR valve and cooler accumulate carbon, oil and soot from recirculated exhaust, causing rough idle, reduced economy, limp mode and check-engine lights - a recurring CRDi complaint.
Fix: EGR clean or replacement; intake decarbon; quality fuel and oil; regular highway runs reduce build-up.
medium
Tandem vacuum / oil pump wear
The tandem oil/vacuum pump that supplies the brake booster vacuum can wear and lose lubrication, affecting brake assist and pump life on R-series diesels.
Fix: Inspect and replace the tandem pump if vacuum/brake-assist symptoms appear; keep oil services current.
medium
Injector and turbo (VGT) wear at higher km
Common-rail injectors and the variable-geometry turbo can develop faults at higher km, giving smoke, rough running, lost power or over/under-boost.
Fix: Injector test/replacement and turbo service by a diesel specialist; good fuel filtration and oil servicing extend life.