2026 Kia K5 Service and Repair Manual

Coming off its 2025 refresh, the K5 changes little for 2026: the GT-Line picks up gloss-black wheels and the GT loses the logo on its brake calipers. Power still comes from a 191-horsepower 2.5-liter four on the LXS, GT-Line and EX, with the 290-horsepower 2.5-liter turbo reserved for the GT, and all-wheel drive stays exclusive to the GT-Line. Two engines that share a displacement but not their internals make exact data essential, so this service and repair manual supplies the 2026 K5 procedures, specifications, torque values, wiring diagrams, diagnostics and maintenance schedules.

Engines covered

• 2.5L inline-four — DOHC, naturally aspirated, gasoline
• 2.5L inline-four — DOHC, turbocharged, gasoline

Body styles covered

• 4-door sedan

Trims covered

• EX
• GT
• GT-Line
• LXS

Known issues on the 2026 K5. One recall is on federal record for this model year: a software error may cause the instrument panel display to fail, and a display that stops showing critical safety information such as the speedometer, tire pressure or warning lights increases the risk of a crash. This service and repair manual includes the factory instrument cluster diagnostic and software update procedures, along with the repair data for every other system on the sedan.