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2018 Hyundai Santa Fe: engine and transmission complaints

VERY HIGH COMPLAINT SIGNAL
69%
277 of 404 relevant owner complaints are about the engine, transmission or fuel system

69% of relevant owner complaints filed with NHTSA on the 2018 Hyundai Santa Fe are about the engine, transmission or fuel system. Well over half of everything owners reported is the drivetrain. That is a severe model-level pattern; every model year we track at this level has a documented failure behind it.

Worse than 91% of the 1,230 model years we track (2010–2023).

Excludes 23 airbag, lighting and seat-belt recall complaints that would otherwise mask the signal (unadjusted: 65%).

NHTSA data checked September 13, 2026
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Drivetrain complaints
277
engine, transmission, fuel
Total complaints
427
this model year
Fires reported
12
owner-reported
Recall campaigns
5
13 crashes · 13 injuries

Complaints by component

ENGINE248 · 58%
SERVICE BRAKES69 · 16%
UNKNOWN OR OTHER50 · 12%
HYDRAULIC48 · 11%
FUEL/PROPULSION SYSTEM38 · 9%
ELECTRICAL SYSTEM29 · 7%

The years either side

2010
66%
159 of 258
2011
51%
83 of 181
2012
74%
246 of 353
2013
57%
443 of 802
2014
66%
410 of 654
2015
71%
220 of 336
2016
75%
214 of 304
2017
78%
992 of 1,308
2018
69%
277 of 427
2019
48%
99 of 221
2020
49%
97 of 208
2021
48%
77 of 166
2022
58%
111 of 198
2023
43%
109 of 264

Manufacturers fix things mid-generation. A bad year next to a clean one is common; the fix usually arrived in between.

Cleaner alternatives

Other midsize SUVs with no elevated signal in 2018

The percentage is each model year's drivetrain complaint share. No elevated signal describes the model year, not any one car; a well-kept example of a flagged model can still be the right buy, and any of these still needs an inspection.

What owners reported

ENGINE,FUEL/PROPULSION SYSTEM11/20/20243 INJURED
This is just a follow-up to request an Expedited Hearing regarding the Hyundai Santa Fe because the Engine Stallings, Oil Consumption (about 2 qts. every 1000 miles) Tailpipe Smoking problems are getting worse. It's becoming a Major Safety Hazard. Engine Stalling example: With both kids (girl [XXX] & boy [XXX] ) in t…
POWER TRAIN04/08/2018CRASH2 INJURED
I WAS SLOWLY CROSSING THREE TRAFFIC LANES AND TURNING LEFT. NO ONE WAS COMING FROM THE RIGHT, SO I APPLIED THE THROTTLE IN THE INSIDE LANE AND NOTHING HAPPENED. THE CAR STALLED WITHOUT WARNING. IT LEFT ME IN THE ROAD AND I WAS T-BONED IN THE DRIVER'S DOOR. THE OTHER DRIVER WAS INJURED, AND I HAVE HAD NECK ISSUES. …
POWER TRAIN,SERVICE BRAKES05/02/2026CRASH1 INJURED
On April 13, 2026, I arrived home and parked the vehicle, engaging the traditional shifter into the "Park" position and turning off the engine. After exiting and standing on the ground to retrieve a purse from the cabin, the vehicle spontaneously and rapidly began reversing. ​As the vehicle gained momentum, I was stru…

Three of 277 drivetrain complaints. The full report shows more, with quotes about the engine in the car you are looking at first.

Recall campaigns on this model year (5)

STEERING: STEERING WHEEL/HANDLE BAR
Hyundai Motor America (Hyundai) is recalling certain 2018 Hyundai Santa Fe and Santa Fe Sport vehicles. The steering wheel assembly may break, possibly resulting in the …
SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE
Hyundai Motor America (Hyundai) is recalling certain 2016-2018 Santa Fe, 2017-2018 Santa Fe Sport, 2019 Santa Fe XL, and 2014-2015 Tucson vehicles. The Anti-Lock Brake S…
SUSPENSION:FRONT:SPRINGS:COIL SPRINGS
Hyundai Motor America (Hyundai) is recalling certain 2018 Santa Fe Sport vehicles. The front coil springs may have been improperly manufactured and, as a result, may fra…

This does not say whether a particular car has an open, unrepaired recall. That depends on the VIN.

Before you buy a 2018 Hyundai Santa Fe

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Experimental model-level information. This is not a vehicle inspection, vehicle-history report, financial advice or purchase recommendation. It describes patterns across a model year, not the condition of any individual vehicle. Combined across 2 body styles NHTSA files separately.