Kia Sorento— Transmission Guide
Complete transmission type, fluid specification, and service interval data for every Kia Sorento generation.
2016–2020
3rd gen Sorento — 2.4L GDI (base)Transmission
6-Speed Automatic
Code: 6AT
Fluid Specification
ATF (check OEM spec — many require brand-specific)
Service Interval
Every 30,000 miles
Engine
Theta II 2.4L GDI (G4KJ) — 2.4L — Direct Injection
Drivetrain Options
FWD, AWD
2016–2020
3rd gen Sorento — 3.3L V6 (EX/SX trims)Transmission
8-Speed Automatic
Code: 8AT
Fluid Specification
ATF (check OEM spec)
Service Interval
Every 30,000 miles
Engine
Lambda II 3.3L V6 GDI (G6BH) — 3.3L — Direct Injection
Drivetrain Options
FWD, AWD
Trim-Specific Transmissions
- EX 6AT: 6-Speed Automatic
2021–present
4th gen Sorento — 2.5L NA (LX/S/EX)Transmission
8-Speed Automatic
Code: 8AT
Fluid Specification
ATF (check OEM spec)
Service Interval
Every 30,000 miles
Engine
Smartstream G2.5 GDI+MPI (G4KN) — 2.5L — Direct Injection
Drivetrain Options
FWD, AWD
2021–present
4th gen Sorento SX — 2.5TTransmission
8-Speed Wet Dual-Clutch (DCT)
Code: 8DCT_wet
Fluid Specification
Dual-clutch fluid (wet clutch — OEM specific)
Service Interval
Every 40,000 miles
Engine
Smartstream G2.5 T-GDI (G4KP) — 2.5L (Turbo) — Direct Injection
Drivetrain Options
FWD, AWD
Frequently Asked Questions
What transmission does a Kia Sorento have?
The Kia Sorento uses a 8-Speed Wet Dual-Clutch (DCT) (8DCT_wet). Depending on the model year and trim level, the exact transmission may vary — see the year-by-year breakdown above for full details.
What fluid does a Kia Sorento transmission take?
The recommended transmission fluid is Dual-clutch fluid (wet clutch — OEM specific). Always verify with your owner's manual or dealership, as the correct fluid can vary by production year and transmission variant.
How often should I service the Kia Sorento transmission?
The recommended service interval is every 40,000 miles. Severe driving conditions (towing, frequent stop-and-go, extreme temperatures) may require more frequent service. Regular transmission maintenance is one of the best ways to prevent costly repairs.
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