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2021 Kia

Soul

Man 6-spd, 4 cyl, 2.0 L

Kia Soul: best and worst years

Overview

Body
Small Station WagonsEPA, from EPA, last updated 6/11/2026
Drivetrain
Front-Wheel DriveEPA, from EPA, last updated 6/11/2026
Transmission
Manual 6-spdEPA, from EPA, last updated 6/11/2026
Powertrain
GasEPA, from EPA, last updated 6/11/2026
Fuel
RegularEPA, from EPA, last updated 6/11/2026

Engine & performance

HP
147
Power to weight
0.042 hp/lb
Axle ratio
4.47
Cyl
4EPA, from EPA, last updated 6/11/2026
Aspiration
Naturally aspiratedEPA, from EPA, last updated 6/11/2026
Start-stop system
NoEPA, from EPA, last updated 6/11/2026

Efficiency

MPG Hwy
31 mpgEPA, from EPA, last updated 6/11/2026
MPG City
25 mpgEPA, from EPA, last updated 6/11/2026
MPG Comb
27 mpgEPA, from EPA, last updated 6/11/2026
Fuel $/yr
$2,300EPA, from EPA, last updated 6/11/2026
CO₂
332 g/miEPA, from EPA, last updated 6/11/2026
Eco Score
6/10EPA, from EPA, last updated 6/11/2026
Smog score
5/10
Elec. Range
0 miEPA, from EPA, last updated 6/11/2026
SmartWay certified
No

Dimensions & capacity

Length
165 inNHTSA vPIC, from NHTSA vPIC, last updated 6/5/2026
Width
71 inNHTSA vPIC, from NHTSA vPIC, last updated 6/5/2026
Height
64 inNHTSA vPIC, from NHTSA vPIC, last updated 6/5/2026
Wheelbase
102 inNHTSA vPIC, from NHTSA vPIC, last updated 6/5/2026
Curb Weight
3,466 lbNHTSA vPIC, from NHTSA vPIC, last updated 6/5/2026
Pass. Vol
101 ft³EPA, from EPA, last updated 6/11/2026
Cargo Vol
24 ft³EPA, from EPA, last updated 6/11/2026

Safety NHTSA, model year

Overall crash rating
★★★★
Rollover rating
★★★★
Stability control (ESC)
Standard
Forward-collision warning
Optional
Lane-departure warning
Optional
Recalls
2
Owner complaints
211
Reported injuries
5

Feature availability

Which features come standard, cost extra, or are locked to a pricier trim arrives with the next data phase. Standard equipment shows here today.

Standard

Reported problems NHTSA owner complaints, model year

  • ENGINE42%
  • ENGINE AND ENGINE COOLING14%
  • POWER TRAIN9%
  • UNKNOWN OR OTHER8%
  • ELECTRICAL SYSTEM5%
  • FUEL/PROPULSION SYSTEM4%

Source: NHTSA owner complaints, 283 total.

Kia Soul: best and worst years

Federal investigations NHTSA defect investigations, model year

  • AQ25001opened Aug 6, 2025ENGINE AND ENGINE COOLING:ENGINE:HARD PARTS INTERNAL/MECHANICAL

    Kia 25V099 Piston Oil Ring Recall Effectiveness

Known issues manufacturer service bulletins, model year

113 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).

  • Feb 19, 2026STRUCTURE:BODYTSB_CS2312_R1

    TECHNICAL SERVICE BULLETIN: CUSTOMER SATISFACTION: THEFT DETERRENT IGNITION CYLINDER PROTECTOR AND DECAL INSTALLATION (CS2312) - 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 to install a Theft Deterrent Ignition Cylinder Protector on certain 2010-2022MY Kia vehicles outlined on page 20, which may not have been equipped with an immobilizer and whole Integr

  • Feb 19, 2026POWER TRAINSC199_OWNR_SK3_3

    VOLUNTARY EMISSIONS SERVICE CAMPAIGN: OWNER RENOTIFICATION (SC199 FL301) - This document is the owner renotification advising that Kia is conducting Voluntary Service Campaign to update the software programming on the Transmission Control Module (TCM) and, if necessary, replace the Intelligent Variable Transmission (IVT) on certain 2020-2021 MY Soul vehicles.

  • Dec 19, 2025STRUCTURE:BODYCS2311_OWNR_PC201

    CUSTOMER SATISFACTION CAMPAIGN: POSTCARD OWNER RENOTIFICATION (CS2311) - This document is the owner renotification advising that Kia is conducting Customer Satisfaction Campaign. Kia has developed a new zinc-reinforced ignition cylinder protector hardware upgrade and can be installed at the ignition cylinder location to provide additional protection against the social media theft method. Prior notifications stated that this modification had to be performed by July 1, 2025, but the subject vehic

  • Dec 18, 2025STRUCTURE:BODYTSB_CS2312

    TECHNICAL SERVICE BULLETIN: CUSTOMER SATISFACTION: THEFT DETERRENT IGNITION CYLINDER PROTECTOR AND DECAL INSTALLATION (CS2312) - This bulletin provides information to install a Theft Deterrent Ignition Cylinder Protector on certain 2010-2022MY Kia vehicles outlined on page 19, which may not have been equipped with an immobilizer and whose Integrated Body Control Unit (IBU) / Body Control Module (BCM) did receive the Anti-Theft Software Logic upgrade under CS2301/02/03/04/05/06/07/08/09 TSBs. In

  • Dec 17, 2025STRUCTURE:BODYCS2312_OWNR

    CUSTOMER SATISFACTION CAMPAIGN: OWNER NOTIFICATION (CS2312) - This document is the owner notification advising that Kia is conducting Customer Satisfaction Campaign. A software upgrade that addresses the social media theft method has been made available to owners of eligible Kia model vehicles free of charge at authorized Kia dealers since 2023. In addition to the anti-theft software, a new zinc-reinforced ignition cylinder protector hardware upgrade has been developed and can be installed at th

  • 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

  • Sep 11, 2025ELECTRICAL SYSTEMWTY041_TSB_R1

    TECHNICAL SERVICE BULLETIN: HORN ASSEMBLY INSPECTION/REPLACEMENT (WTY041) - 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 associated with the ‘Warranty Extension Program’ (WTY041) to inspect and, if necessary, replace the horn assembly on certain 2020-2025MY Soul (SK3) vehicles produced from November 15, 2018 through August 13, 2024, The affected vehicles

  • and 105 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.