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2021 Kia

Stinger RWD

Auto (S8), 6 cyl, 3.3 L, Turbo

Kia Stinger: best and worst years
2021 Kia Stinger RWD

Closest available photo (2023 model year); you're viewing the 2021.

2023 photoEthan LlamasCC BY-SA 4.0Wikimedia Commons

Overview

Body
Midsize CarsEPA, from EPA, last updated 6/22/2026
Drivetrain
Rear-Wheel DriveEPA, from EPA, last updated 6/22/2026
Transmission
Automatic (S8)EPA, from EPA, last updated 6/22/2026
Powertrain
GasEPA, from EPA, last updated 6/22/2026
Fuel
PremiumEPA, from EPA, last updated 6/22/2026

Engine & performance

Cyl
6EPA, from EPA, last updated 6/22/2026
Aspiration
TurbochargedEPA, from EPA, last updated 6/22/2026
Start-stop system
YesEPA, from EPA, last updated 6/22/2026

Efficiency

MPG Hwy
25 mpgEPA, from EPA, last updated 6/22/2026
MPG City
17 mpgEPA, from EPA, last updated 6/22/2026
MPG Comb
20 mpgEPA, from EPA, last updated 6/22/2026
Fuel $/yr
$3,850EPA, from EPA, last updated 6/22/2026
CO₂
446 g/miEPA, from EPA, last updated 6/22/2026
Eco Score
4/10EPA, from EPA, last updated 6/22/2026
Smog score
3/10
Elec. Range
0 miEPA, from EPA, last updated 6/22/2026
SmartWay certified
No

Dimensions & capacity

Length
190 inNHTSA vPIC, from NHTSA vPIC, last updated 6/5/2026
Width
74 inNHTSA vPIC, from NHTSA vPIC, last updated 6/5/2026
Height
55 inNHTSA vPIC, from NHTSA vPIC, last updated 6/5/2026
Wheelbase
115 inNHTSA vPIC, from NHTSA vPIC, last updated 6/5/2026
Curb Weight
4,129 lbNHTSA vPIC, from NHTSA vPIC, last updated 6/5/2026
Pass. Vol
95 ft³EPA, from EPA, last updated 6/22/2026
Cargo Vol
23 ft³EPA, from EPA, last updated 6/22/2026

Safety NHTSA, model year

⚠ This model year has a recall advising owners to park outside or away from structures (fire risk). Check with the manufacturer.

Overall crash rating
★★★★★
Rollover rating
★★★★★
Stability control (ESC)
Standard
Forward-collision warning
Optional
Lane-departure warning
Optional
Recalls
5
Owner complaints
16

Reported problems NHTSA owner complaints, model year

  • UNKNOWN OR OTHER21%
  • ENGINE17%
  • SERVICE BRAKES17%
  • ELECTRICAL SYSTEM8%
  • FUEL/PROPULSION SYSTEM8%
  • FUEL SYSTEM, GASOLINE4%

Source: NHTSA owner complaints, 24 total.

Kia Stinger: best and worst years

Known issues manufacturer service bulletins, model year

45 service bulletins filed with NHTSA for this model year

  • May 28, 2026ELECTRICAL SYSTEMTSB_ELE422

    TECHNICAL SERVICE BULLETIN: INFOTAINMENT SYSTEM SOFTWARE UPDATE USING UPDATE.KIA.COM - This bulletin provides information and service procedures for updating the infotainment systems on applicable Kia vehicles using the Kia Navigation Updater available at update.kia.com. The software update may improve system performance, enhance existing features, and apply the latest operating software for supported vehicles (2021-2026MY All Models).

  • Apr 14, 2026ELECTRICAL SYSTEMTSB_ELE417

    TECHNICAL SERVICE BULLETIN: INFOTAINMENT SOFTWARE UPDATE PROCEDURE - This bulletin provides information on the process for downloading infotainment software updates and preparing USB for installation on applicable Kia vehicles. The software downloads and USB preparation process is similar across all supported platforms; however, in‑vehicle installation procedures vary by head unit type.

  • Dec 9, 2025BACK OVER PREVENTION: WARNINGSPS797

    PITSTOP: TECHNICAL OPERATIONS: EXTERNAL DAMAGE TO ULTRASONIC SENSOR: This Pitstop provides information related to Parking Distance Warning (PDW) alerts and repairs involving ultrasonic sensors. The PDW system alerts the driver while parking, by calculating distance based on the difference in signal transmission and reception times between the vehicle (ultrasonic sensor) and an object. The membrane film of the ultrasonic sensor is used for object detention and can be damaged by stone chips or for

  • Oct 2, 2025FUEL/PROPULSION SYSTEMSC281Y_TSB

    TECHNICAL SERVICE BULLETIN: SUBSEQUENT REPAIR ACTION: HIGH-PRESSURE FUEL PUMP REPLACEMENT INSTRUCTIONS FOR DTC P0088 (SC281Y) - This bulletin provides information related to the Technical Service Bulletin previously published under SC281 titled “High-Pressure Fuel Pump Inspection /Replacement and ECM Software Upgrade.”

  • Apr 17, 2025POWER TRAINTSB_TRA046_R5

    TECHNICAL SERVICE BULLETIN: TRANSMISSION FLUID APPLICATION GUIDE - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. This bulletin provides information relating to the correct transmission fluid type and fill quantity requirement for each Kia model. A flush is required ONLY when a transmission is replaced, and the transmission oil cooler is transferred to the new transmission.

  • Apr 3, 2025ENGINETSB_ENG222_R8

    TECHNICAL SERVICE BULLETIN: EXCESSIVE OIL CONSUMPTION NU/GAMMA/THETA/KAPPA ENGINES - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. This bulletin provides information on diagnosing and/or repairing some 2011-2024MY vehicles (refer to the table on pages 9 and 10 for applicable models and engine), which may exhibit a symptom of excessive oil consumption.

  • Feb 28, 2025ENGINETSB_ENG222_R7

    TECHNICAL SERVICE BULLETIN: EXCESSIVE OIL CONSUMPTION NU/GAMMA/THETA/KAPPA ENGINES - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. This bulletin provides information on diagnosing and/or repairing some 2011-2024MY vehicles (refer to the tables on pages 8-9 for applicable models and engine), which may exhibit a symptom of excessive oil consumption.

  • May 16, 2024POWER TRAINTSB_TRA046_R4

    This bulletin provides information relating to the correct transmission fluid type and fill quantity requirement for each Kia model. A flush is required ONLY when a transmission is replaced.

  • and 37 more

Source: NHTSA manufacturer communications (technical service bulletins).

Warranty manufacturer terms, by make

Basic
5 yr / 60k mi
Powertrain
10 yr / 100k mi
Roadside assistance
5 yr / 60k mi
EV battery
10 yr / 100k mi

Information is gathered on a best-effort basis from public sources, may be incomplete or out of date, and is not purchasing or financial advice. Verify with the manufacturer or dealer before buying.