2025 Hyundai Sonata vs 2025 Kia K5

$26,900 · Sedan

$27,190 · Sedan

Comparison Overview

The 2025 Sonata arrives with a sharp, futuristic edge, promising efficiency from its 191 hp engine and achieving 32 combined MPG on regular unleaded fuel. Conversely, the 2025 K5 radiates muscular sedan styling while offering identical power figures (191 hp, 181 lb-ft). While dimensionally similar, the Sonata is fractionally longer at 193.3 inches compared to the K5’s 193.1 inches, and both offer an identical 15.6 cu ft of cargo space. The critical split emerges in fuel economy: the Sonata edges out the K5's 30 combined MPG by delivering 32 combined MPG. Priced slightly lower at $26,900 versus the K5's $27,190, the Sonata leverages its thriftiness for a significant advantage in the budget-conscious spectrum. Both utilize the same 8-speed automatic transmission and FWD setup, meaning the battle comes down to style versus ultimate miles per gallon.

Size Comparison

Performance

Fuel Efficiency

Full Specifications

Our Verdicts

🚗 Best for Commuters

2025 Hyundai Sonata

The 2025 Sonata wins for commuters due to its superior fuel efficiency of 32 combined MPG.

👨‍👩‍👧‍👦 Best for Families

2025 Hyundai Sonata

With identical dimensions and cargo capacity of 15.6 cu ft, the Sonata's lower initial price of $26,900 gives it the edge for family budgeting.

🏎️ Best for Enthusiasts

2025 Kia K5

Although power is matched at 191 hp, the K5's distinct aggressive styling typically resonates more strongly with driving enthusiasts.

💰 Best Value

2025 Hyundai Sonata

The Sonata offers better overall value by providing identical performance specs for a lower starting MSRP of $26,900.

Choose the Hyundai Sonata if...

You prioritize stretching every dollar with a lower MSRP of $26,900.
You commute daily and will benefit from the Sonata's best-in-class 38 highway MPG.
You prefer the aerodynamic, futuristic exterior design language of the 2025 Sonata.

Choose the Kia K5 if...

You desire a sportier aesthetic, as the K5 maintains a more traditionally aggressive stance.
You are willing to pay $290 more for the K5's specific brand tuning and interior feel.
You are comfortable with 2 MPG less combined efficiency (30 MPG) for a distinct look.

Key Dimensions

Dimension	Hyundai Sonata	Kia K5
Length	193.3"	193.1"
Width	73.2"	73.2"
Height	56.9"	56.9"
Wheelbase	111.8"	112.2"

Features Comparison

Safety

Feature	Hyundai	Kia
Blind Spot Monitor	✓	✓
Lane Departure Warning	✓	✓
Lane Keeping Assist System	✓	✓
Rear Cross Traffic Alert	✓	✓
Driver Attention Alert	✓	✓
Pre-Collision Safety System	✓	✓
Post-Collision Safety System	✓	✓
Dual Front Side-Mounted Airbags	✓	✓
Dual Rear Side-Mounted Airbags	✓	✓
Front Head Airbags	✓	✓
Rear Head Airbags	✓	✓
Passenger Airbag Occupant Sensing Deactivation	✓	✓
Electronic Stability Control	✓	✓
Traction Control System	✓	✓
LATCH System	✓	✓
Rear Door Child Safety Locks	✓	✓
Anti-lock Brakes (ABS)	4-Wheel	4-Wheel
Front Ventilated Disc Brakes	✓	✓
Rear Solid Disc Brakes	✓	✓
Brake Assist	✓	✓
Tire Pressure Monitoring System	✓	✓
Automatic Headlights	✓	✓
Headlight Delay-Off	✓	—
LED Headlights	✓	✓
Daytime Running Lights	✓	✓
Front Headrests	2	2
Front Height Adjustable Headrests	✓	✓
Rear Headrests	3	3
Rear Fixed Headrests	✓	—
Rear Center 3-Point Seatbelt	✓	✓
Anti-Theft Alarm System (Remote)	✓	✓
Engine Immobilizer	✓	✓
Rear Height Adjustable Headrests	—	✓

Engine

Feature	Hyundai	Kia
Base Engine Displacement	2.5 L	2.5 L
Number of Cylinders	inline 4	inline 4
Base Engine Type	gas	gas
Horsepower	191 hp @ 6100 rpm	191 hp @ 6100 rpm
Torque	181 lb-ft @ 4000 rpm	181 lb-ft @ 4000 rpm
Number of Valves	16	16
Camshaft Type	Double overhead cam (DOHC)	Double overhead cam (DOHC)
Variable Valve Timing	Variable	Variable
Fuel Injection Type	✓	✓

Drive Train

Feature	Hyundai	Kia
Transmission Type	8-speed shiftable automatic	8-speed shiftable automatic
Drivetrain Type	front wheel drive	front wheel drive

Fuel

Feature	Hyundai	Kia
Fuel Type	regular unleaded	regular unleaded
EPA Fuel Economy (City/Highway)	28/38 MPG	26/37 MPG
EPA Fuel Economy (Combined)	32 MPG	30 MPG
EPA Driving Range (City/Highway)	0/0 mi.	410.8/584.6 mi.
Fuel Tank Capacity	—	15.8 gal.

Comfort & Convenience

Feature	Hyundai	Kia
Push Button Start	✓	✓
Tilt and Telescopic Steering Wheel	✓	✓
Audio Controls on Steering Wheel	✓	✓
Cruise Control on Steering Wheel	✓	✓
Electric Power Steering	✓	✓
Rear View Camera	✓	✓
Adaptive Cruise Control	✓	✓
Front Cupholders	✓	✓
Rear Cupholders	✓	✓
Front Door Pockets	✓	✓
Rear Door Pockets	✓	✓
Front Seatback Storage	✓	✓
Air Conditioning	✓	—
Interior Air Filtration	✓	—
Extended Cabin Heating/Cooling	✓	✓
Dual Vanity Mirrors	✓	✓
Front Parking Sensors	—	✓
Rear Parking Sensors	—	✓
Dual Zone Climate Control	—	✓

In Car Entertainment

Feature	Hyundai	Kia
Infotainment Display	12.3 in	12.3 in
AM/FM Stereo	✓	✓
Speaker System	6	6
Android Auto (Wireless)	✓	✓
Apple CarPlay (Wireless)	✓	✓
USB Port	✓	✓
USB Port with External Media Control	✓	✓
Satellite Radio	✓	✓
Satellite Radio Trial Period	—	3 months

Power Feature

Feature	Hyundai	Kia
One-Touch Power Windows	1	1
Keyless Entry	✓	✓
Heated Mirrors	✓	✓

Frontseats

Feature	Hyundai	Kia
Front Head Room	40.0 in.	40.2 in.
Front Leg Room	46.1 in.	46.1 in.
Front Shoulder Room	57.9 in.	58.0 in.
Front Hip Room	54.6 in.	56.6 in.
Seat Material: Cloth	✓	✓
Front Seat Type: Bucket	✓	✓
Driver Seat Manual Adjustments	6-way	6-way
Driver Seat Height Adjustment	✓	✓
Passenger Seat Manual Adjustments	6-way	6-way
Passenger Seat Height Adjustment	—	✓

Rearseats

Feature	Hyundai	Kia
Rear Head Room	37.8 in.	37.8 in.
Rear Leg Room	34.8 in.	35.2 in.
Rear Shoulder Room	56.1 in.	56.1 in.
Rear Hip Room	54.4 in.	56.6 in.
Split-Folding Rear Seatback	✓	✓
Folding Center Armrest	✓	✓

Tires and Wheels

Feature	Hyundai	Kia
Wheel Material	Alloy	—
Wheel Size	16 x 6.5 in	16 x 6.5 in
Tire Type	All Season	All Season
Tire Size	205/65R16	P205/65R
Spare Tire Type	Temporary	Temporary
Spare Tire Location	Inside Mounted	Inside Mounted
Wheel Finish	—	Painted Alloy

Suspension

Feature	Hyundai	Kia
Four-Wheel Independent Suspension	✓	✓
Front Stabilizer Bar	✓	✓
Rear Stabilizer Bar	✓	✓

Warranty

Feature	Hyundai	Kia
Basic Warranty	5 yr./ 60000 mi.	5 yr./ 60000 mi.
Drivetrain Warranty	10 yr./ 100000 mi.	10 yr./ 100000 mi.
Corrosion/Rust Warranty	7 yr./ unlimited mi.	5 yr./ 100000 mi.
Roadside Assistance	5 yr./ unlimited mi.	5 yr./ 60000 mi.
Complimentary Scheduled Maintenance	3 yr./ 36000 mi.	—

Frequently Asked Questions

Common questions about comparing the 2025 Hyundai Sonata and 2025 Kia K5.

Is the performance significantly different between the 2025 Sonata and K5?

No, performance is essentially identical based on the provided specifications. Both the 2025 Hyundai Sonata and the 2025 Kia K5 produce 191 horsepower and 181 lb-ft of torque, managed by the same 8-speed shiftable automatic transmission.

Which sedan saves more money on fuel costs annually?

The 2025 Sonata is the clear winner for fuel savings, boasting a combined 32 MPG compared to the K5’s 30 combined MPG. This 2 MPG advantage, using regular unleaded fuel, translates to fewer stops at the pump over the year.

Do these sedans offer the same amount of luggage space?

Yes, both the 2025 Sonata and the 2025 K5 provide an identical cargo capacity of 15.6 cubic feet. Families needing to haul luggage or groceries will find parity between the two models in this regard.

How do the physical sizes of the Sonata and K5 compare?

The vehicles are extremely close in footprint; the Sonata is slightly longer at 193.3 inches versus the K5's 193.1 inches, while they share the exact same width (73.2 inches) and height (56.9 inches).

Is the initial purchase price a major differentiator?

There is a slight difference, with the 2025 Sonata starting at $26,900, making it $290 less expensive than the 2025 Kia K5 which begins at $27,190.

Are either of these vehicles available with All-Wheel Drive?

Based on the specifications provided, both the 2025 Hyundai Sonata and the 2025 Kia K5 are offered exclusively with a front-wheel drive (FWD) configuration.