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2020 Hyundai Sonata vs 2020 Kia Optima

The 2020 Hyundai Sonata has been completely redesigned to provide the look and feel of a sports car while still providing the impressive reliability and performance that Hyundai is known for. With its new look and incredible performance and capabilities, no other vehicle can compare—including the 2020 Kia Optima. Not convinced? Simply scroll down to see the comparison between the 2020 Hyundai Sonata and the 2020 Kia Optima. 

2020 Hyundai Sonata Starting MSRP: $23,600

2020 Kia Optima Starting MSRP: $23,390

When it comes to performance the 2020 Hyundai is the best and most effective vehicle on the road. From fuel economy to horsepower and torque, the 2020 Hyundai Sonata outperforms the 2020 Kia Optima in almost every way. 

Fuel Economy: 

While the 2020 Kia Optima has a bigger fuel tank capacity (18.5 gallons versus 15.9 gallons) the 2020 Hyundai Sonata has a better city, highway and overall fuel economy. The 2020 Hyundai Sonata proves to be the more efficient vehicle with its 28 city, 38 highway and 32 combined fuel economy, versus the 25 city, 35 highway and 29 combined of the 2020 Kia Optima. So even though the 2020 Sonata has a smaller fuel capacity, it more effectively utilizes its fuel. 

So next time you’re driving through the busy streets of Washington D.C. and Alexandria, or cruising down the highway in Waldorf and Clinton MD, you can rest assured that your 2020 Hyundai Sonata is the most fuel-efficient option out there. 


  2020 Hyundai Sonata 2020 Kia Optima 
Fuel Economy (city/highway/combined) 28/38/32 mpg 25/35/29 mpg
Horsepower 191@6100 RPM 185 @6000 RPM
Torque 181 lb.-ft. @4,000 RPM 178 lb.-ft. @4,000 RPM



The 2020 Hyundai Sonata once again exceeds the 2020 Kia Optima in overall performance. The Hyundai Sonata has a more sustainable speed and power output then the Kia Optima as it has better torque and horsepower. While the 2020 Kia Optima boasts a horsepower of 185 hp at 6,000 RPMs and a torque of 178 lb.-ft. at 4,000 RPMs the 2020 Hyundai dominates its competition with 191 horsepower at 6,100 RPMs and 181 lb.-ft. at 4,000 RPMs. 

With its impressive fuel economy and exceptional speed and power output, the 2020 Hyundai Sonata is proven to be the better performing sedan when compared to the 2020 Kia Optima. The 2020 Hyundai Sonata’s notable performance factors all work together to ensure that you get the most out of your vehicle and save money on gas.



One of the many great things about the Hyundai Sonata is the amount of space it provides for drivers and passengers in both the front and the back of the vehicle. While both the 2020 Hyundai Sonata and the 2020 Kia Optima have roughly the same exterior dimensions, the 2020 Hyundai Sonata beats the 2020 Kia Optima when it comes to interior space.

When it comes to leg room and head room, every inch counts, which is exactly what Hyundai has done with the 2020 Sonata. Hyundai knows that comfort is incredibly important for their customers which is why they optimized the 2020 Sonata interior to provide as much as space as possible. Additionally, the 2020 Hyundai Sonata has slightly more cargo space than the 2020 Kia Optima. While the 2020 Hyundai Sonata optimizes its interior space the best, both vehicles come with 60/40 split fold down rear seats and adjustable driver and passenger seats.

Exterior Dimensions 2020 Hyundai Sonata 2020 Kia Optima
Length 192.2 inches 191.1 inches
Width 73.2 inches 73.2 inches
Height 56.9 inches 57.5 inches


Interior Dimensions 2020 Hyundai Sonata 2020 Kia Optima
Cargo Space 16 cu. ft. 15.9 cu. ft. 
Leg Room (front/rear) 46.1/34.8 inches 45.5/35.6 inches
Head Room (front/rear) 40.0/38.4 inches 39.8/37.8 inches

Comfort is incredibly important to Hyundai but not as important as safety. In order to ensure everyone who drives or rides in a 2020 Hyundai Sonata is as safe as possible Hyundai has equipped it and all their vehicles with Hyundai SmartSense. Kia similarly has a safety program they call Kia Drive Wise. While both programs have enhanced safety features, Hyundai’s SmartSense has almost double the number of safety features that Kia Drive Wise has.

2020 Hyundai Sonata SmartSense Safety Features (standard):

  • Forward Collision-Avoidance Assist with Pedestrian Detection
  • Remote Start Parking Assist
  • Highway Drive Assistant 
  • Rear Cross Traffic Collision – Avoidance Assist
  • Blind Spot Collision – Avoidance Assist
  • Lane Keeping Assist 
  • Driver Attention Warning
  • Smart Cruise Control with Stop & Go
  • High Beam Assist 

2020 Kia Optima Drive Wise Safety Features (standard):

  • Auto Emergency Braking & Warning
  • Blind Spot Detection Technology
  • Rear Cross-Traffic Alert
  • Lane Keeping & Lane Following
  • Driver Attention Warning & High Beam Assist


With so many fantastic safety features, its no wonder the 2020 Hyundai Sonata has won so many safety awards! Some of the industry standard awards the 2020 Hyundai Sonata has won include the 2020 NHTSA 5-Star Overall Safety Rating, 2020 IIHS Top Safety Pick award, Autotrader 2020 Best New Car, MotorWeek’s 2020 Drivers’ Choice Award for Best Family Sedan and Hispanic Motor Press’s 2020 Best Sedan of the Year award.


When it comes to protecting you and your vehicle, Hyundai pulled out all the stops. When compared to the 2020 Hyundai Sonata warranty, the 2020 Kia Optima can’t compare. Both warranties provide 5 year/60,000 mile limited basic warranties and 10 year/100,000 mile powertrain warranties but Hyundai outshines Kia with their 24/7 roadside assistance and anti-perforation warranty. The 2020 Hyundai Sonata warranty offers a 7 year/unlimited mile anti-perforation warranty and a 5 year/unlimited mile 24/7 roadside assistance program, while the 2020 Kia only offers a 5 year/100,000 mile anti-perforation warranty and a 5 year/60,000 mile roadside assistance program. Hyundai has also kicked it up a notch by providing complimentary maintenance for 3 years or 36,000 miles (whichever comes first) which Kia doesn’t offer at all.

Overall when it comes to fuel economy, performance, interior space, safety and warranties the 2020 Kia simply can’t compare to the 2020 Hyundai Sonata. The newly redesigned 2020 Hyundai Sonata is one of the best sedans on the market and we have an extensive inventory of them at Sheehy Hyundai of Waldorf. Our dedicated and knowledgeable sales team is here to help you with all your automotive needs. We proudly serve the people of Waldorf, Clinton, La Plata MD and Washington DC.

Have additional Questions? Simply fill out this form and one of our expert team members will get back to you as soon as possible.