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Kia K5 vs Hyundai Sonata: Which to Buy

Carummah Editorial
Last updated: November 4, 2026
Kia K5 vs Hyundai Sonata

Kia K5 starts at $27,190; the Hyundai Sonata starts at $27,450. Before taxes and fees, the Kia K5 is $255 less.

Frequently Asked Questions

Is the Kia K5 or the Hyundai Sonata cheaper?

The Kia K5 costs less to start. Kia K5: $27,190 plus $1,155 destination. Hyundai Sonata: $27,450 plus $1,150 destination. Taxes, title and registration are on top of both.

Which gets better fuel economy, the Kia K5 or the Hyundai Sonata?

The Kia K5 is rated 26/37 city/hwy, and the Hyundai Sonata is rated 28/38 city/hwy. Real-world results depend on how and where you drive.

How many people does each seat?

The Kia K5 seats 5. The Hyundai Sonata seats 5.

What are the trade-offs between the two?

Kia K5: Striking exterior design, though sloping roof limits rear entry. Hyundai Sonata: Striking and futuristic exterior design language, though polarizing front-end styling for conservative buyers.

Kia K5 is best for

Kia K5 is the better fit for mid-size sedan buyers who commute daily. Its standout: striking exterior design.

Hyundai Sonata is best for

Hyundai Sonata is the better fit for mid-size sedan buyers who commute daily. Its standout: striking and futuristic exterior design language.

Spec-by-Spec Comparison

AttributeKia K5Hyundai Sonata
Starting MSRP$27,190$27,450
MSRP + destination$28,345$28,600
Fuel economy / range26/37 city/hwy28/38 city/hwy
Horsepower191 hp191 hp
Seating55
Body typeMid-Size SedanMid-Size Sedan
Powertrains2.5L 4-Cyl, 2.5L Turbo 4-Cyl2.5L 4-cylinder, 2.0L Hybrid, 2.5L Turbo

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