YearToAvoid

2021 Kia Stinger Problems, Recalls & Reliability

Verdict

Good

Complaint Index

40/100

#4 most-complained of 6 Stinger years

The 2021 Kia Stinger ranks 4th out of 6 model years with a Complaint Index of 40, earning a "Good" verdict relative to other Stinger years. NHTSA lists 17 complaints, 5 recalls, and 1 crash, with brakes as the top problem area at 35% of complaints.

Complaints
17
Recalls
5
Crashes / fires
1 / 0
Injuries / deaths
0 / 0
NHTSA overall rating
5 / 5 ★
EPA combined MPG
22
19 city / 27 hwy

Top 2021 Kia Stinger problems

NHTSA owner complaints by component group. Groups with 15+ complaints have their own page.

  1. Brakes6 (35%)
  2. Other5 (29%)
  3. Engine4 (24%)
  4. Fuel System4 (24%)
  5. Electrical System2 (12%)
  6. Visibility & Wipers2 (12%)
  7. Suspension, Wheels & Tires1 (6%)
  8. Transmission & Powertrain1 (6%)

What owners report

  • Owners report sudden loss of drive power while turning, with the vehicle unable to exceed a few mph afterward, tied to the fuel pump recall.
  • Some describe rotors warping and brake pads wearing down repeatedly, even after dealer replacement, with metal-to-metal noise and delayed stopping.
  • At low mileage, owners report the engine hesitating then lurching forward suddenly from a stop with traction control off.
  • Several owners report a sudden loss of power while driving, with the car stalling and refusing to restart, linked to wiring near the fuel sender.
  • In freezing temperatures, windshield washer fluid nozzles were reported to freeze, blocking fluid flow and reducing visibility on the road.
2021 Kia Stinger complaints: complaints filed per month3Mar 2021May 2021Feb 2022Aug 2022Dec 2022Nov 2023Aug 2025Jun 2026
25 complaints filed with NHTSA from Mar 2021 to Jun 2026; peak Dec 2022 (3).

2021 Kia Stinger recalls

5 NHTSA recall campaigns list this model year.

  1. NHTSA 24V169000Mar 1, 2024Engine36,248 vehicles

    Engine and engine cooling:engine:gasoline:turbo/supercharger:hoses/plumbing

    Kia America, Inc. (Kia) is recalling certain 2019-2020 K900, and 2018-2023 Stinger vehicles equipped with a 3.3-liter turbo gasoline direct injection engine. The left turbocharger oil feed pipe and hose assembly may deteriorate and leak oil.

    Risk: An oil leak in the presence of hot engine components can increase the risk of an engine compartment fire while driving.

    Remedy: Dealers will replace the left turbocharger oil feed pipe and hose assembly, free of charge. Owner notification letters were mailed April 26, 2024. Owners may contact Kia customer service at 1-800-333-4542. Kia's number for this recall is SC300.

  2. NHTSA 23V634000Sep 13, 2023Fuel System18,224 vehicles

    Fuel system, gasoline:delivery:fuel pump

    Kia America, Inc. (Kia) is recalling certain 2018-2021 Stinger vehicles. The fuel control valve plunger may stick inside the high pressure fuel pump, causing over-pressurization and loss of drive power.

    Risk: A loss of drive power can increase the risk of a crash.

    Remedy: Dealers will update the engine control unit software, inspect, and replace the fuel pump as necessary, free of charge. Owner notification letters were mailed December 18, 2023. Owners may contact Kia customer service at 1-800-333-4542. Kia's number for this recall is SC281.

  3. NHTSA 21V862000Nov 5, 2021Electrical System53 vehicles

    Electrical system:instrument panel:fuel gauge

    Kia Motors America (Kia) is recalling certain 2020-2021 Stinger vehicles. A software error in the instrument cluster may cause an inaccurate fuel gauge reading.

    Risk: An inaccurate fuel gauge may result in the vehicle unexpectedly running out of fuel and stalling, increasing the risk of a crash.

    Remedy: Dealers will update the software, free of charge. Owner notification letters were mailed December 10, 2021. Owners may contact Kia customer service at 1-800-333-4542. Kia's number for this recall is SC219.

See all 5 recalls for the 2021 Kia Stinger →

2021 Kia Stinger fuel economy and fuel cost

City
19 MPG
Highway
27 MPG
Combined
22 MPG
Annual fuel cost (EPA)
$3,650
15,000 mi/yr
Fuel
Premium
Current regular gas
$4.32/gal
national avg.

EPA figures; median across configurations of this model year. Estimate your own cost with the fuel cost calculator.

2021 compared with other Stinger years

Complaint Index by model year (0 = fewest issues, 100 = most)0255075100201820192020202120222023
Complaint Index: 0 = fewest issues, 100 = most, relative to other years of this model. Avoid Caution Good Best
YearVerdictIndexComplaintsRecallsMPG
2019Avoid8044322
2020Best2016622
2021Good4017522
2022Caution6018122
2023Best05122

All Kia Stinger years: best and worst →

Frequently asked questions

Is the 2021 Kia Stinger reliable?
Based on NHTSA owner complaints and recalls, the 2021 Stinger has a Complaint Index of 40 and ranks 4th out of 6 model years, giving it a "Good" verdict relative to other Stinger years.
What problems does the 2021 Kia Stinger have?
NHTSA lists 17 complaints for the 2021 Stinger, led by brakes (35%), followed by engine (24%) and fuel system (24%) issues. One complaint involved a crash.
Does the 2021 Kia Stinger have a recall?
Yes, NHTSA lists 5 recalls for the 2021 Stinger covering the engine turbocharger oil feed hose, fuel pump plunger sticking, instrument cluster fuel gauge software, fuel pump jet nozzle burrs, and a brake fuse kit.
What year Kia Stinger should I avoid?
Among Stinger years, 2018 and 2019 are flagged as "Avoid" with Complaint Index scores of 100 and 80. The 2021 model, with an index of 40, is rated "Good" by comparison.
How is fuel economy on the 2021 Kia Stinger?
The 2021 Stinger gets 22 mpg combined (19 city / 27 highway), with an EPA-estimated annual fuel cost of $3,650.

Sources: NHTSA Office of Defects Investigation complaint and recall databases; U.S. EPA fuel economy data; NHTSA 5-Star Safety Ratings. Complaints are unverified owner reports.

Data updated Sep 24, 2026. Read the methodology and data sources. The Complaint Index is based on NHTSA owner complaints and recalls; it is not a reliability rating.