VS
At a Glance
Power
290hp @ 5800
191hp @ 6100
Torque
311lb-ft @ 1650
181lb-ft @ 4000
Engine
2.5 L/152cc
2.5 L/152cc
Choosing between the Hyundai Sonata and the KIA K5 is one of the most common decisions car buyers in the United States face. The Hyundai Sonata delivers 290hp @ 5800 while the KIA K5 produces 191hp @ 6100. Pricing starts at $35,900 for the Sonata and $28,490 for the K5. Both vehicles have their merits. The right choice depends on your priorities: fuel economy, performance, towing ability, safety features or total cost of ownership. This comparison covers every specification available so you can make an informed decision.
Performance
Power Output (hp)
290hp @ 5800
191hp @ 6100
Torque (lb-ft)
311lb-ft @ 1650
181lb-ft @ 4000
Engine & Drivetrain
Engine Capacity
2.5 L/152cc
2.5 L/152cc
Cylinders
4
4
Fuel Type
Gasoline
Gasoline
Forced Induction Device
Turbocharged
—
Transmission
Auto-Shift Manual w/OD
Automatic
Number of Gears
8
8
Drive Wheels
Front Wheel Drive
Front Wheel Drive
Fuel Economy
Fuel Economy - City (mpg)
23 (2025)mpg
25mpg
Fuel Economy - Highway (mpg)
32 (2025)mpg
36mpg
Fuel Tank Capacity (gal)
15.9gal
15.8gal
Dimensions
Length (in)
193.3in
193.1in
Width (in)
73.2in
73.2in
Height (in)
56.9in
56.9in
Wheelbase (in)
111.8in
112.2in
Curb Weight (lbs)
3534lbs
3291lbs
Safety
ABS
✓ Standard
✓ Standard
Brake Assist
✓ Standard
✓ Standard
Stability Control
✓ Standard
✓ Standard
Traction Control
✓ Standard
✓ Standard
Driver Airbag
✓ Standard
✓ Standard
Passenger Airbag
✓ Standard
✓ Standard
Side Airbags Front
✓ Standard
✓ Standard
Curtain Airbags
✓ Standard
✓ Standard
Features & Tech
Air Conditioning
✓ Standard
✓ Standard
Climate Control
✓ Standard
✓ Standard
Cruise Control
✓ Standard
✓ Standard
Adaptive Cruise Control
✓ Standard
✓ Standard
Bluetooth
✓ Standard
✓ Standard
Backup Camera
✓ Standard
✓ Standard
Rear Parking Aid
—
✓ Standard
Sunroof
✓ Standard
✓ Standard
Heated Seats
✓ Standard
✓ Standard
Power Seat Adjustment
✓ Standard
✓ Standard
Keyless Entry
✓ Standard
✓ Standard
Alloy Wheels
✓ Standard
✓ Standard
The Verdict
Which Wins?
Overall Winner
KIA K5
1 / 4 categories
Performance
Tied
Fuel Economy
Tied
Value
K5
Practicality
Tied
Pros & Cons
Hyundai Sonata
Well-rounded specification
Higher starting price
KIA K5
Lower starting price ($28,490)
Few notable weaknesses
Frequently Asked Questions
Which has more power, the Sonata or K5?
The Sonata produces 290hp @ 5800 and 311lb-ft @ 1650 of torque while the K5 delivers 191hp @ 6100 and 181lb-ft @ 4000 of torque. They produce similar power outputs.
What is the price difference between the Sonata and K5?
The Sonata starts from $35,900 and the K5 from $28,490. The K5 is cheaper by $7,410 at this variant level. Final on-the-road pricing varies by dealer and specification.
Should I buy the Sonata or the K5?
It depends on your priorities. If fuel economy matters most, check the mpg figures above. If you need towing capacity, compare the towing ratings. For day-to-day driving - commutes, school runs and highway trips - consider ground clearance, service network coverage, and total cost of ownership including insurance and maintenance. Use the spec tables above to compare every detail before making your decision.
Also Consider