Gallonly
2019 Kia Cadenza Limited (YG)
Shown: 2019 Kia Cadenza Limited (YG). Photo: MercurySable99, CC BY-SA 4.0, via Wikimedia Commons
  • Newest year: 2020
  • Gas
  • Large cars

2017-2020 Kia Cadenza MPG & Fuel Cost

4 model years · 23 MPG combined

23 MPG
Combined
20 MPG
City
28 MPG
Highway
Annual fuel cost · Cadenza 3.3L 6-cyl FWD
$2,800

15,000 mi/yr · regular gasoline $4.36/gal (U.S. average, Sep 2026)

Cheaper to fuel than 7 of 10 large car configurations, MY2020. Ranked against all rated configurations, not sales-weighted.

2017-2020 Kia Cadenza at a glance

The 2017-2020 Kia Cadenza covers 4 model years in the EPA database (4 configurations in all), rated 23 MPG combined. The newest model year, 2020, costs about $2,800 a year to fuel for its most efficient version, the Cadenza 3.3L 6-cyl FWD (23 MPG), at regular gasoline $4.36/gal (U.S. average, Sep 2026). EPA changed the ratings in 2018, 2019 and 2020.

2017-2020 Kia Cadenza by model year

2017-2020 Kia Cadenza: EPA combined rating and yearly fuel cost for each model year
Model yearPowertrainsCombined$/yrEPA ratings
2020 Gas 23 MPG $2,800 Ratings changed
2019 Gas 23 MPG $2,860 Ratings changed
2018 Gas 23 MPG $2,830 Ratings changed
2017 Gas 23 MPG $2,840 First year

What the 2020 Cadenza 3.3L 6-cyl FWD costs to drive

Per month

$233

$2,800 a year ÷ 12

Per 25 miles

$4.67

Per 100 miles

$18.67

Five years

$14,000

5 × the yearly cost, prices held at today's level

vs the large car median

$520less a year

Class median $3,320 a year, MY2020

Based on 15,000 miles a year and regular gasoline $4.36/gal (U.S. average, Sep 2026).

2020 Kia Cadenza MPG

Versus 2019: The most efficient configuration stays at 23 MPG. Its annual cost goes from $2,860 to $2,800, $60 less.

Gas · 3.3L
Combined
23 MPG
Per year
$2,800

Gas configurations (1)

2020 Kia Cadenza gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
Cadenza (Most efficient) 3.3L 6-cyl FWD 20 28 23 $2,800

2019 Kia Cadenza MPG

23 MPG · $2,860/yr

Versus 2018: The most efficient configuration stays at 23 MPG. Its annual cost goes from $2,830 to $2,860, $30 more.

Gas · 3.3L
Combined
23 MPG
Per year
$2,860

Gas configurations (1)

2019 Kia Cadenza gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
Cadenza (Most efficient) 3.3L 6-cyl FWD 20 27 23 $2,860

2018 Kia Cadenza MPG

23 MPG · $2,830/yr

Versus 2017: The most efficient configuration stays at 23 MPG. Its annual cost goes from $2,840 to $2,830, $10 less.

Gas · 3.3L
Combined
23 MPG
Per year
$2,830

Gas configurations (1)

2018 Kia Cadenza gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
Cadenza (Most efficient) 3.3L 6-cyl FWD 20 28 23 $2,830

2017 Kia Cadenza MPG

23 MPG · $2,840/yr
Gas · 3.3L
Combined
23 MPG
Per year
$2,840

Gas configurations (1)

2017 Kia Cadenza gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
Cadenza (Most efficient) 3.3L 6-cyl FWD 20 28 23 $2,840

Fuel cost by state

Yearly cost of the Cadenza 3.3L 6-cyl FWD: $3,810 in California and $2,440 in Texas, a $1,370 difference.

Gasoline prices: California: California state average; Washington: Washington state average; New York: New York state average; Florida: Florida state average; Texas: Texas state average (Sep 2026).
Fuel cost in every state

Similar cars

Closest combined MPG among MY2020 large car models.

EPA ratings: fueleconomy.gov file of Sep 29, 2026 · Prices: EIA regular gasoline, U.S. average, Sep 2026 ($4.36/gal) · 15,000 mi/yr, 55% city / 45% highway · How we calculate

Generations

Frequently asked questions

What gas mileage does the 2017-2020 Kia Cadenza get?

EPA rates the 2017-2020 Kia Cadenza at 23 MPG combined across 4 configurations and 4 model years. The most efficient version, the 2020 Cadenza 3.3L 6-cyl FWD, is rated 23 MPG (20 city, 28 highway).

Which years had the best MPG in the 2017-2020 Kia Cadenza?

Every model year of the 2017-2020 Kia Cadenza tops out at 23 MPG combined, so no year is better than another.

Did EPA ratings change during the 2017-2020 Kia Cadenza?

Yes. Ratings changed in 2018, 2019 and 2020.

How does the 2017-2020 Kia Cadenza compare with the previous generation?

The previous generation (2014-2016 Kia Cadenza) is rated 22 MPG combined and costs $2,980 a year to fuel; the 2017-2020 model is rated 23 MPG and costs $2,800–$2,860 a year.

How much does it cost to fuel a 2020 Kia Cadenza per year?

Driving 15,000 miles a year at regular gasoline $4.36/gal (U.S. average, Sep 2026), the Cadenza 3.3L 6-cyl FWD costs about $2,800 a year. Across all 1 configuration the cost runs $2,800 a year.

How much does it cost to drive a 2020 Kia Cadenza 100 miles?

About $18.67 per 100 miles for the Cadenza 3.3L 6-cyl FWD at regular gasoline $4.36/gal (U.S. average, Sep 2026). That is the annual cost over 15,000 miles divided by 150.

Is the 2020 Kia Cadenza more efficient in the city or on the highway?

The Cadenza 3.3L 6-cyl FWD is rated 20 city and 28 highway MPG, so it is more efficient on the highway, by 8 MPG.

How does the 2020 Kia Cadenza compare with other large car configurations?

The Cadenza 3.3L 6-cyl FWD costs about $2,800 a year to fuel, $520 less than the class median of $3,320, and less than 7 of 10 large car configurations. The comparison covers all 115 rated large car configurations for MY2020, not weighted by sales.

Is the 2020 Kia Cadenza different from the 2019 model?

The most efficient configuration stays at 23 MPG. Its annual cost goes from $2,860 to $2,800, $60 less. EPA lists 1 configuration for 2020 against 1 configuration for 2019. See the 2019 Kia Cadenza for that year.