Hyundai Santa Fe TM
Weaknesses, engine ratings and buying advice
The fourth generation brought SmartStream engines, better noise insulation, and significantly more advanced driver assistance. The D4HB 2.2 CRDi continues, the D4HA 2.0 CRDi phases out, and the new G4KN 2.5 SmartStream petrol arrives. The 2021 facelift noticeably improved insulation and infotainment.
Test-drive checklist: Pre-facelift 2018–2020: listen for tire roar and wind noise above 70 mph — underdamped from factory. D4HB diesel: hydraulic chain tensioner again present (oil quality matters), oil consumption up to 0.5 L/600 miles is normal. Piezo injectors: uneven idle or smoke is the warning sign. 8-speed automatic with D4HB: shift jerk on cold start on early TMs, post-2021 models recalibrated and better. G4KN SmartStream: uses both port and direct injection — no pure-GDi carbon buildup risk.
2026 market: TM 2019–2021, D4HB, under 60,000 miles: $24,000–$36,000. Facelift 2021–2023: $30,000–$44,000. G4KN SmartStream petrol from 2020: $22,000–$32,000. Hybrid variants scarce but sought-after: $38,000–$52,000.
Insider pick: D4HB 2.2 CRDi facelift from 2021, under 50,000 miles — the improved damping, recalibrated gearbox, and better screen make the premium over pre-facelift models worthwhile.
200 PS
Santa Fe · Diesel
Premium SUV, built for comfort
Decent179 PS
2.5L SmartStream Benzin
5 weaknesses
Good ChoiceGenerations
Engine Overview
The Hyundai Santa Fe TM is available with 4 engine variants — from 105 to 201 hp.
Mid-range diesel — 2.0L CRDi with 100–136 kW for ix35, Tucson and Sportage. EGR valve fouls regularly. DPF clogs on short trips. Fuel-oil dilution (diesel in oil) is a serious concern — frequent oil changes and long-distance driving are mandatory. VGT actuator seizes occasionally. Timing chain rattles with neglected oil changes.
- !! Fuel in engine oil (diesel dilution) from 80,000 km
During DPF regeneration, diesel can enter the engine oil via post-injection. Above 2% dilution, bearing damage threatens. Leaking injector copper washers amplify the problem.
Symptoms: Rising oil level without topping up, fuel smell on dipstick, sooty or thin engine oil at change. - !! EGR valve fouling from 95,000 km
D4HA 2.0 CRDi shows typical diesel EGR valve problems in short-trip use. Regularly check the intake manifold with swirl flaps for broken fragments.
Symptoms: Engine power loss, rough idle, EGR fault codes, engine limp mode. - !! DPF clogging from 120,000 km
The D4HA DPF clogs on frequent short-trip use. Active regeneration requires motorway runs. Filter replacement is costly.
Symptoms: DPF warning light, engine limp mode, power loss, increased fuel consumption.
+ 4 more engine weaknesses + vehicle weaknesses
Premium diesel from the Smartstream family — 2.2L CRDi with 147–152 kW. EGR valve fouling is a persistent issue. VGT turbo actuator seizes. Piezo injectors are expensive to replace. The CP4 high-pressure pump (Bosch) is the biggest risk: metal debris contaminates the entire fuel system — total injection system failure possible. Timing chain stretches from 150,000 km. DPF needs regular long-distance driving.
- !! VGT turbocharger actuator failure from 130,000 km
Variable turbine geometry (VGT) actuator can seize or fail. Boost pressure no longer controllable; engine runs in limp mode with severely reduced power.
Symptoms: Significant power loss, engine limp mode, turbocharger whistling or howling, check engine light. - !! Piezo injector failure from 150,000 km
Piezo injectors on the D4HB are sensitive to fuel contamination. Blocked or defective injectors cause rough running, elevated emissions and poor cold start.
Symptoms: Engine stuttering, poor cold start, excess fuel consumption, misfires, P0201–P0204 fault codes. - !! CP4 high-pressure pump metal debris from 200,000 km
The Bosch CP4 high-pressure pump does not tolerate fuel with air bubbles. The roller tappet can hop over the cam lobe, sending metal debris throughout the entire common-rail system. Complete injection system replacement is required.
Symptoms: Sudden engine failure, unable to restart, metallic knocking before failure, severe power loss.
+ 5 more engine weaknesses + vehicle weaknesses
2.4L GDI from the notorious Theta II family — the engine that cost Hyundai billions. Rod bearing failure from manufacturing debris is the main risk: NHTSA recalls, $1.3B class action settlement, fire hazard. Oil consumption from piston ring defect is endemic. GDI valve carbon buildup massive. Chain tensioner wears. When buying used: VIN recall check mandatory, demand oil consumption history, knocking on cold start = walk away immediately.
- !! Rod Bearing Failure from Manufacturing Debris (Recall) from 120,000 km
Metal debris from connecting rod machining blocks oil passages. Bearings wear prematurely → engine knock → seizure. Lifetime warranty extension for affected VINs.
Symptoms: Knocking increasing with RPM, check engine light, KSDS alert, power loss - !! Oil Consumption from Piston Ring Defect from 100,000 km
Over-hardened piston rings stick from carbon in ring grooves. Oil bypasses into combustion. Hyundai threshold: 1 qt/1,000 mi. TSB 23-EM-007H (piston soak).
Symptoms: Oil drops between changes, blue smoke, carbon-fouled plugs - !! Theta II Class Action — $1.3B Settlement from 80,000 km
Consolidated class action settlement of $1.3 billion (2021) covering Hyundai Sonata, Santa Fe and Tucson 2011–2019 with 2.0L/2.4L Theta II GDI engines. Lifetime warranty on engine short block after KSDS software update.
Symptoms: Knocking noise from engine; oil pressure warning light; in severe cases engine stall or engine compartment fire
+ 5 more engine weaknesses + vehicle weaknesses
New 2.5L from the SmartStream family — Theta II successor with revised design. Oil consumption from oversized piston ring clearance is the main theme — some examples exceed 1L/1,000 km. Intake valve carbon from GDI. Fuel-oil dilution from GDI/MPI switching in Smartstream operation. An improvement over Theta II, but oil consumption issues not fully resolved.
- !! Excessive Oil Consumption from Piston Rings from 50,000 km
The Smartstream 2.5 piston rings have by design increased ring gaps. This results in high blow-by and oil consumption of up to 1 L/1,000 km. Hyundai acknowledged the design issue.
Symptoms: Dropping oil level between changes, blue exhaust smoke clouds, oil consumption above 1 quart per 1,000 miles. - !! Fuel-Oil Dilution from GDI/MPI Mode Switching from 20,000 km
The G4KN's dual MPI/GDI injection system switches modes depending on load. In cold operation with GDI mode active, fuel can condense on cylinder walls and dilute the oil.
Symptoms: Rising oil level (fuel smell), thin oil on the dipstick, increased fuel consumption, mild stumble. - !! GDi injector internal filter failure (TSB 25-FL-001H) from 40,000 km
Internal GDi injector filters fracture — debris clogs injectors causing cylinder misfires. Occurs as early as 15,000-30,000 km. Hundreds of NHTSA complaints documented.
Symptoms: Engine shaking during acceleration, misfire codes P030x, power loss on highway, vehicle can stall completely, fuel smell in cabin
+ 2 more engine weaknesses + vehicle weaknesses
Vehicle Weaknesses
| Weakness | Cost | |
|---|---|---|
| Recall 22V056: ABS Module Short Circuit — Fire Risk Dirt and moisture enter the ABS module causing a short circuit and fire risk — including while parked. NHTSA recall 22V056 affects 357,348 US vehicles; an additional 91,900 were recalled globally. Symptoms: ABS warning light on; burning smell; in extreme cases engine compartment fire even while parked | Low | |
| Recall: steering wheel separation while driving Steering wheel can separate from the steering column while driving, leading to complete loss of vehicle control. Recall NHTSA 18V118000 affects 41,070 vehicles. Symptoms: Steering wheel feels loose; unusual noises from steering column | Low | |
| Recall: fuel tank fire risk Recall on the Santa Fe TM due to inadequate fuel tank reinforcement that poses a fire risk in certain crash scenarios. Affected vehicles received reinforcement plates. Symptoms: No visible symptom; fire risk only on impact | Low | |
| Camshaft bearings wear on 2.0 CRDi Worn camshaft bearings on the 2.0 CRDi have been documented from as little as 33,000 km. A material defect in the cylinder head causes severe running noises and engine damage without any obvious prior warning. Symptoms: Rough engine running, progressively loud engine noises, workshop identifies camshaft bearing wear in cylinder head from 50,000 km | High | |
| Recall 23V181: Trailer Wiring Harness Fire Risk NHTSA recall 23V181 affects 584,784 vehicles (2019–2023): water can enter the trailer wiring control module, causing a short circuit and potential engine fire. | Low | |
| Recall 18V715: Bolts Damage Curtain Airbag NHTSA recall 18V715 affects 8,204 vehicles: defective bolts may damage the side curtain airbag during deployment, preventing it from fully inflating. | Low | |
| Recall 22V746: Transmission — Loss of Drive NHTSA recall 22V746 affects 56,148 vehicles (2021–2022): a transmission fault may result in complete loss of drive while in motion. Symptoms: Sudden loss of power, transmission shifts to neutral, warning lights on dashboard | Low |
Test Reports
ADAC Breakdown Statistics 2025
The Santa Fe TM achieves average breakdown figures in the mid-size SUV segment.
2025-04Top Reported Issues
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Known Problems and Issues +
A total of 52 weaknesses have been documented for the Hyundai Santa Fe TM (2018–2023) — 35 engine-related and 17 vehicle-related. Typical issues affect Other, Gearbox, Brakes, Electronics. Considered reliable: G4KN (2.5L SmartStream).
Santa Fe (D4HA, 2018–2020) — Be Careful: Fuel in engine oil (diesel dilution), EGR valve fouling, DPF clogging. Power: 150 PS.
Santa Fe (D4HA, 2018–2020) — Be Careful: Fuel in engine oil (diesel dilution), EGR valve fouling, DPF clogging. Power: 184–185 PS.
Santa Fe (D4HB, 2018–2020) — Be Careful: VGT turbocharger actuator failure, Piezo injector failure, CP4 high-pressure pump metal debris. Power: 197–201 PS.
Santa Fe (D4HB, 2020–2023) — Be Careful: VGT turbocharger actuator failure, Piezo injector failure, CP4 high-pressure pump metal debris. Power: 200–201 PS.
Santa Fe (D4HB, 2022–2026) — Be Careful: VGT turbocharger actuator failure, Piezo injector failure, CP4 high-pressure pump metal debris. Power: 193–200 PS.
Santa Fe (G4KJ, 2018–2020) — Be Careful: Rod Bearing Failure from Manufacturing Debris (Recall), Oil Consumption from Piston Ring Defect, Theta II Class Action — $1.3B Settlement. Power: 185–188 PS.
Santa Fe (G4FT, 2020–2023) — Be Careful: Fuel contamination of engine oil, Timing chain stretch — Tucson/Kona Hybrid, Catalytic converter ceramic ingestion. Power: 179 PS.
Santa Fe (G4FT, 2020–2023) — Be Careful: Fuel contamination of engine oil, Timing chain stretch — Tucson/Kona Hybrid, Catalytic converter ceramic ingestion. Power: 230 PS.
Santa Fe (G4FT, 2021–2023) — Be Careful: Fuel contamination of engine oil, Timing chain stretch — Tucson/Kona Hybrid, Catalytic converter ceramic ingestion. Power: 179 PS.
What to watch out for with the Hyundai Santa Fe? See the detailed listing of all engine and vehicle weaknesses in the sections above.
Frequently Asked Questions
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Last updated: February 2026 · All information without guarantee