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Hyundai Sonata vs Kia K5

Side-by-side comparison from manufacturer specifications, NHTSA safety data, and live dealer listings.

Vehicles

Hyundai logo

2026 Hyundai Sonata

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Kia logo

2026 Kia K5

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Overview

SpecHyundai SonataSEKia K5LXS
Selected trimSELXS
Body styleSedanSedan
Drivetrainfront wheel drivefront wheel drive
Fuel typeregular unleadedregular unleaded
Transmission8-speed shiftable automatic8-speed shiftable automatic
Engine typegasgas
Model year20262026

Pricing & market

SpecHyundai SonataSEKia K5LXS
MSRP$27,300 (best)$27,490
Lowest listing price$7,620 (best)$19,350
Median listing price$27,991 (best)$30,291
Highest listing price$37,156 (best)$41,233
For sale now129542 (best)

Fuel economy & range

SpecHyundai SonataSEKia K5LXS
Combined MPG32 MPG (best)30 MPG
City MPG28 MPG (best)26 MPG
Highway MPG38 MPG (best)37 MPG
Fuel tank15.9 gal (best)15.8 gal

Performance

SpecHyundai SonataSEKia K5LXS
Horsepower191 hp191 hp
Torque181 lb-ft181 lb-ft
Engine size2.5 L2.5 L
CylindersI4I4

Size & capability

SpecHyundai SonataSEKia K5LXS
Seating5 seats5 seats
Doors44
Cargo volume15.6 cu ft15.6 cu ft
Curb weight3,232 lbs3,230 lbs (best)
Ground clearance5.3 in5.3 in
Wheelbase111.8 in112.2 in (best)
Length193.3 in (best)193.1 in
Width73.2 in73.2 in
Height56.9 in56.9 in

Safety & recalls

SpecHyundai SonataSEKia K5LXS
NHTSA overall5 / 5 ★5 / 5 ★
Frontal crash (driver)4 / 5 ★5 / 5 ★ (best)
Frontal crash (passenger)5 / 5 ★ (best)4 / 5 ★
Side crash (driver)5 / 5 ★5 / 5 ★
Side crash (passenger)5 / 5 ★5 / 5 ★
Side pole5 / 5 ★5 / 5 ★
Rollover5 / 5 ★ (best)4 / 5 ★
Open recalls (YMM scope)11

Highlighted values indicate the better figure for that spec when a clear winner exists. Specs reflect the selected trim for each vehicle. Drag a vehicle header to reorder columns. MSRP and specifications are manufacturer data; listing prices and inventory come from live dealer listings. Safety ratings are from NHTSA.

Trim overview

All available trims with MSRP. The trim selected above is highlighted; comparison specs use that selection.

TrimHyundai SonataKia K5
1

SE

$27,300 MSRP(Currently comparing)

LXS

$27,490 MSRP(Currently comparing)

2

SEL Sport

$29,000 MSRP

GT-Line

$28,490 MSRP

3

SEL Sport

$30,500 MSRP

GT-Line

$30,090 MSRP

4

Blue Hybrid

$29,050 MSRP

GT

$33,590 MSRP

5

SEL Hybrid

$32,300 MSRP

EX

$34,990 MSRP

6

N Line

$35,900 MSRP

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7

Limited Hybrid

$38,100 MSRP

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Live inventory

Hyundai Sonata vs Kia K5 FAQ

Which is better: 2026 Hyundai Sonata or 2026 Kia K5?
It depends on priorities. OpenDealer compares 2026 Hyundai Sonata vs 2026 Kia K5 on MSRP, fuel economy, horsepower, seating, towing, NHTSA safety ratings, and live market prices so you can weigh the tradeoffs.
Which costs less: 2026 Hyundai Sonata or 2026 Kia K5?
Based on starting MSRP, the 2026 Hyundai Sonata starts lower at $27,300. Live Hyundai Sonata listings start at $7,620. Live Kia K5 listings start at $19,350.
Which has better startingMsrp: 2026 Hyundai Sonata or 2026 Kia K5?
The 2026 Hyundai Sonata leads on startingMsrp in this comparison (27,300).
Which has better combinedMpg: 2026 Hyundai Sonata or 2026 Kia K5?
The 2026 Hyundai Sonata leads on combinedMpg in this comparison (51).
How do the NHTSA safety ratings compare for 2026 Hyundai Sonata vs 2026 Kia K5?
NHTSA overall crash-test ratings in this comparison: Hyundai Sonata (5/5 NHTSA overall); Kia K5 (5/5 NHTSA overall).