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Motor Ranked Media
Your Comparison

Kia K5 vs Hyundai Sonata

Which Midsize Sedan Should You Buy?

2025 Kia
K5
Starting MSRP
$26,975
Combined MPG
32
Horsepower
191
2025 Hyundai
Sonata
Starting MSRP
$27,400
Combined MPG
38
Horsepower
191
Quick Category Winners
Value
Sonata
Performance
K5
Comfort
Sonata
Fuel Economy
Sonata
Reliability
Sonata
Interior
Sonata
Technology
Sonata
Overall
Sonata
Scorecard Comparison
8.4
Performance
8.0
7.9
Comfort
8.2
8.6
Value
8.7
7.9
Ownership Cost
8.0
8.3
Technology
8.7
8.1
Safety
8.4
7.7
Reliability
7.8
8.0
Interior Quality
8.4
K5
Sonata
CHOOSE THE K5 IF YOU:
  • Want sportier styling at the lowest price
  • Prefer a more aggressive driving feel
  • Value strong standard equipment
CHOOSE THE SONATA IF YOU:
  • Want the most tech for the money
  • Like bold, modern styling inside and out
  • Want a long warranty included
5-Year Ownership Cost
CategoryK5SonataDiff
Fuel$6,500$5,600+$900
Insurance$6,300$6,400-$100
Maintenance$3,750$3,800-$50
Repairs$1,500$1,500$0
Depreciation$13,800$13,500+$300
5-Year Total$31,850$30,800+$1,050
$

The Sonata costs an estimated $1,050 less to own over 5 years.

Size Comparison
K5
Sonata
K5
Sonata
Diff
Length
193.1
192.9
+0.2
Width
73.2
73.2
0
Height
56.9
56.9
0
Wheelbase
112.2
111.8
+0.4
Cargo Volumecu ft
16.0
16.0
0
Trim-to-Trim Comparison
  • K5 LXvsSonata SE
  • K5 GT-LinevsSonata SEL
  • K5 GTvsSonata N Line
View All Trim Comparisons
Final Verdict

The Hyundai Sonata is the smarter overall pick across our scoring categories, especially in the areas it leads. The Kia K5 remains a strong alternative if its standout strengths better match your priorities. Either way, both are credible choices in this segment.

Winner
Hyundai Sonata
Best For…
  • CommutersSonata
  • FamiliesSonata
  • Resale ValueSonata
  • Driving EnjoymentK5
  • TechnologySonata
  • Best OverallSonata
Frequently Asked Questions
  • The Kia K5 is better for shoppers who weight want sportier styling at the lowest price, while the Hyundai Sonata is better if you want the most tech for the money. Both compete closely overall.

  • Our scoring gives the edge to the Hyundai Sonata, though the Kia K5 also performs well in long-term reliability data.

  • The Hyundai Sonata leads with up to 38 combined MPG versus 32 for the Kia K5.

  • The Hyundai Sonata is the better family pick thanks to its higher comfort scoring, slightly more usable cabin space, and a more relaxed ride.

  • Over a five-year ownership window, the Hyundai Sonata costs an estimated $1,050 less to own once you factor in fuel, insurance, maintenance, repairs, and depreciation.

  • The Hyundai Sonata tends to hold its value better in the used market, helped by stronger demand and a higher overall value score.