Kia · 2020
Optima Plug-in Hybrid 2.0L 4-cyl
✓ EPA Verified
Regular Gasoline
Midsize Cars
Front-Wheel Drive
City
39
MPG
Combined
41
MPG
Highway
44
MPG
Annual Fuel Cost
$1,050
Based on 15,000 miles/year · EPA estimates
vs avg gas vehicle
$1,100
saved per year
Class Comparison — Midsize Cars
Top 19%
Better than 81 out of 100 vehicles in its class for fuel efficiency.
This vehicle: 41 MPG
This vehicle
41 MPG
Class average
35 MPG
Class lowest
13 MPG
EPA Energy & Environment Scores
10
Energy Score
Out of 10
10
GHG Score
Out of 10
97 lbs
Annual CO₂
g/mile tailpipe CO₂
Yes
Start-Stop
Auto stop-start
Vehicle Specifications
Engine2.0L 4-cyl
TransmissionAutomatic (AM6)
DriveFront-Wheel Drive
Fuel TypeRegular Gasoline
Vehicle ClassMidsize Cars
TrimPlug-in Hybrid
Engine DescSIDI; PHEV
Start-StopYes
EPA Vehicle ID41529

The 2020 Kia Optima Plug-in Hybrid gets a combined fuel economy of 41 MPG, which makes it a good option for commuters looking for a comfortable and practical mid-size sedan for less gas. It prioritizes efficiency and refinement, offering a smooth blend of electric and gasoline power that works well for drivers with predictable daily routines.

City and highway performance

The EPA estimates the Optima Plug-in Hybrid’s fuel economy at 39 MPG in the city and 44 MPG on the highway. These numbers reflect the vehicle’s powertrain design, which uses its electric motor more effectively in stop-and-go urban environments. The gasoline engine will likely kick in more frequently at higher speeds on the highway, resulting in a slightly lower MPG figure. This difference shows the plug-in hybrid’s strength: maximizing electric range during shorter, lower-speed commutes while still offering the flexibility of a gasoline engine for longer trips.

Drivers who primarily stick to city driving will likely see the most significant fuel savings. Keep in mind that these numbers are estimates and can be affected by driving style, terrain, and weather conditions.

Annual fuel cost

According to EPA estimates, the 2020 Kia Optima Plug-in Hybrid 2.0L 4-cyl will cost approximately $1,050 per year to fuel. This calculation is based on driving 15,000 miles per year and using national average fuel prices. The annual fuel cost considers the cost of both gasoline and electricity, factoring in the electric range of the vehicle. The $1,050 figure is a key selling point for Optima Plug-in Hybrid buyers because it represents a tangible, predictable cost saving compared to traditional gasoline-powered sedans. For those who diligently plug in and maximize electric driving, the savings could potentially be even more dramatic, further reducing their reliance on gasoline.

Real-world expectations

While the EPA provides a standardized benchmark, real-world fuel economy can vary. Drivers who prioritize electric driving by diligently plugging in after each trip, and those with shorter commutes, will likely exceed the EPA’s 41 MPG combined rating. Those who frequently drive long highway journeys or drive aggressively may see lower numbers. Factors such as temperature, tire pressure, and the use of accessories like air conditioning can also influence fuel consumption. The Optima Plug-in Hybrid’s appeal lies in its ability to adapt to different driving styles and conditions, but maximizing its efficiency requires a conscious effort to use its electric capabilities whenever possible.

How it compares

The 2020 Kia Optima Plug-in Hybrid’s 41 MPG combined puts it in direct competition with other plug-in hybrid sedans like the Honda Clarity Plug-in Hybrid, rated at 42 MPG combined, the now-discontinued Chevrolet Volt, which offered 42 MPG combined and greater EV range, and the Toyota Prius Prime, boasting 54 MPG combined. While the Prius Prime leads in overall MPG, the Optima offers a larger cabin and more traditional sedan styling, appealing to buyers who prioritize comfort and aesthetics alongside fuel efficiency. The Clarity, though closely matched on MPG, lacked the Optima’s user-friendly infotainment system. The OPTIMA MPG across all years shows relatively consistent performance, making the 2020 model a safe bet for those seeking a reliable and efficient plug-in hybrid. Shoppers interested in all Kia fuel economy data will find a range of efficient options catering to different needs and budgets.

Tips to Maximize Efficiency

Charge the battery whenever possible. Plugging in at home overnight is the simplest way to ensure you start each day with a full charge, maximizing your electric driving range and minimizing gasoline consumption. Use public charging stations during errands or when parked for extended periods.

Drive smoothly and avoid aggressive acceleration and braking. The Optima Plug-in Hybrid’s regenerative braking system captures energy during deceleration, but excessive hard braking reduces its effectiveness. Gentle acceleration allows the electric motor to handle a larger portion of the workload, conserving fuel.

Use the car’s driving modes effectively. The “Eco” mode optimizes the powertrain for maximum fuel efficiency, while “EV” mode prioritizes electric-only driving. Experiment with these modes to determine which best suits your driving conditions and preferences.

Maintain proper tire inflation. Underinflated tires increase rolling resistance, which reduces fuel economy. Check your tire pressures regularly and inflate them to the recommended levels specified on the door jamb.

Reduce unnecessary weight. Carrying excess cargo in the trunk adds strain on the engine and reduces fuel efficiency. Remove any unnecessary items from your vehicle to minimize weight.