Kia · 2021
K5 1.6L 4-cyl
✓ EPA Verified
Regular Gasoline
Large Cars
Front-Wheel Drive
City
29
MPG
Combined
32
MPG
Highway
38
MPG
Annual Fuel Cost
$1,350
Based on 15,000 miles/year · EPA estimates
vs avg gas vehicle
$800
saved per year
Class Comparison — Large Cars
Top 21%
Better than 79 out of 100 vehicles in its class for fuel efficiency.
This vehicle: 32 MPG
This vehicle
32 MPG
Class average
33 MPG
Class lowest
14 MPG
EPA Energy & Environment Scores
7
Energy Score
Out of 10
7
GHG Score
Out of 10
277 lbs
Annual CO₂
g/mile tailpipe CO₂
Yes
Start-Stop
Auto stop-start
Vehicle Specifications
Engine1.6L 4-cyl
TransmissionAutomatic (S8)
DriveFront-Wheel Drive
Fuel TypeRegular Gasoline
Vehicle ClassLarge Cars
Engine DescSIDI; Stop-Start
Start-StopYes
EPA Vehicle ID42635

The 2021 Kia K5 1.6L achieves 32 MPG combined, a respectable figure for the mid-size sedan segment. This isn’t a hybrid promising stratospheric numbers, nor a performance model sacrificing efficiency for power. It’s an everyday car for everyday people, and the fuel economy reflects that. Buyers choose the K5 for its sharp looks, comfortable interior, and abundant features; the 32 MPG is simply a piece of the total package, not the only reason to buy it.

City and highway performance

The EPA estimates the K5 1.6L will achieve 29 MPG in the city and 38 MPG on the highway. That highway number is particularly appealing, suggesting relaxed and efficient cruising on longer trips. This is thanks to the smooth-shifting 8-speed automatic transmission, which keeps the engine at optimal RPM for fuel efficiency at higher speeds. While lower, the city figure is still competitive within the class. Stop-and-go traffic will always take its toll, but the K5’s relatively lightweight construction and responsive engine help lessen the impact.

Annual fuel cost

According to the EPA, the estimated annual fuel cost for the 2021 Kia K5 1.6L is $1,350. This is based on driving 15,000 miles per year and using national average fuel prices. This is a useful benchmark for prospective buyers to quickly compare the K5’s running costs against other vehicles. Your actual fuel costs will vary depending on your driving habits, the type of roads you frequent, and fuel prices in your area.

Real-world expectations

While the EPA figures offer a standardized baseline, the real-world MPG you achieve with your K5 will change. Aggressive driving, frequent short trips, and carrying heavy loads will all reduce fuel economy. A smooth driving style, well-maintained tires, and regular maintenance can help you match or exceed the EPA estimates. Owners who want good fuel efficiency can expect to see numbers close to the EPA’s 32 MPG combined. Those who enjoy a more spirited driving experience should expect a slight dip. It’s helpful to review K5 MPG across all years for a broader picture.

How it compares

The mid-size sedan segment includes many choices. The Toyota Camry, a long-time favorite, offers a 2.5L engine with 32 MPG combined in its LE trim. The Honda Accord 1.5T achieves 33 MPG combined. For those focused on fuel savings, the Camry Hybrid LE returns 52 MPG combined. The K5 buyer isn’t necessarily looking for the absolute highest MPG, otherwise, they would focus on hybrid options. They are looking for a stylish, well-equipped sedan that won’t break the bank at the pump. The K5’s blend of fuel economy and other features makes it a solid alternative to mainstream choices. Before deciding, look at all Kia fuel economy data to see how the K5 compares to other models in the lineup.

Tips to maximize efficiency

The 2021 Kia K5 1.6L doesn’t require drastic measures to achieve good gas mileage. Simple adjustments to your driving habits can create improvements. Avoid hard acceleration and braking, and anticipate traffic to maintain a steady speed. A smooth driving style helps the engine and transmission operate efficiently.

Tire pressure is important. Regularly check and maintain your tires at the recommended pressure. Underinflated tires increase rolling resistance, forcing the engine to work harder. The correct tire pressure is on a sticker located on the driver’s side doorjamb.

Reduce unnecessary weight in your K5 by removing items you don’t need from the trunk and rear seats. Extra weight strains the engine, leading to decreased fuel efficiency. A lighter vehicle is more efficient and also more responsive and enjoyable to drive.

Avoid using the K5 as a mobile office. Idling for extended periods consumes fuel without covering distance. If you anticipate being stationary for more than a minute, turn off the engine. Modern car engines restart quickly and efficiently, minimizing wear and tear.