Mazda CX-5 vs Kia Sportage: fuel economy and fuel cost
In model year 2026 the Kia Sportage is the cheaper of the two to fuel: about $1,540 a year for its lowest-cost configuration (Sportage Hybrid, 42 MPG combined), against $2,490 for the Mazda CX-5 (CX-5, 26 MPG combined). That is $950 a year, or $4,750 over five years.
Both are classed as Small SUVs by the EPA. Costs assume 15,000 miles a year and the same fuel and electricity prices for both vehicles, using the EPA combined rating (55% city, 45% highway). Each figure is rounded to $10 and every difference is calculated from the rounded values.
The EPA is still publishing model year 2027 ratings, so this page compares model year 2026, the latest complete year.
- Gas
- Small SUVs
Mazda CX-5
Lowest fuel cost configuration
CX-5
$16.60 per 100 miles
15,000 mi/yr, same fuel prices
1 configuration in MY2026
- Hybrid
- Small SUVs
Kia Sportage
Lowest fuel cost configuration
Sportage Hybrid
Plug-in versions (electric or plug-in hybrid) are not used for this headline; see the powertrain table below.
$10.27 per 100 miles
15,000 mi/yr, same fuel prices
6 configurations in MY2026
What the fuel costs
Annual fuel cost of the lowest-cost configuration
- Mazda CX-5$2,490 a year · $16.60 per 100 mi
- Kia Sportage$1,540 a year · $10.27 per 100 mi
Difference per year
$950
Kia Sportage costs less to fuel
Over 5 years
$4,750
$950 a year × 5, 15,000 mi/yr, same fuel prices
Head to head, MY2026
| Measure | Mazda CX-5 | Kia Sportage |
|---|---|---|
| Lowest-cost configuration | CX-5 | Sportage Hybrid |
| Powertrain | Gas | Hybrid |
| Combined rating | 26 MPG | 42 MPG (better) |
| City rating | 24 MPG | 41 MPG (better) |
| Highway rating | 30 MPG | 44 MPG (better) |
| Annual fuel cost | $2,490/yr | $1,540/yr (better) |
| Cost per 100 miles | $16.60 | $10.27 (better) |
| Annual cost range, all configurations | $2,490 | $1,430–$2,740 |
| Configurations in MY2026 | 1 | 6 |
| EPA class | Small SUVs | Small SUVs |
Best configuration by powertrain
| Powertrain | Mazda CX-5 | Kia Sportage |
|---|---|---|
| Gas | 26 MPG · $2,490/yr CX-5 | 28 MPG · $2,330/yr Sportage |
| Hybrid | Not offered in MY2026 | 42 MPG · $1,540/yr Sportage Hybrid |
| Plug-in hybrid | Not offered in MY2026 | 36 MPG gas-only · $1,430/yr Sportage Plug-in Hybrid |
Each cell shows the combined rating and the annual fuel cost of the lowest-cost configuration with that powertrain.
Where each one comes out ahead
Generated from the numbers above, comparing the lowest fuel cost configurations. No subjective judgements.
Mazda CX-5
Not ahead on any measure listed here.
Kia Sportage
- Lower annual fuel cost: $1,540 vs $2,490
- Higher combined rating: 42 MPG vs 26 MPG
- Higher city rating: 41 MPG vs 24 MPG
- Higher highway rating: 44 MPG vs 30 MPG
- Lower annual cost for the best gas configuration: $2,330 vs $2,490
- Offers hybrid configurations in MY2026; the Mazda CX-5 does not
- Offers plug-in hybrid configurations in MY2026; the Mazda CX-5 does not
Year by year
| Model year | Mazda CX-5 | Kia Sportage | ||
|---|---|---|---|---|
| Combined | Per year | Combined | Per year | |
| 2026 | 26 MPG | $2,490 | 24–42 MPG | $1,430–$2,740 |
| 2025 | 24–28 MPG | $2,360–$2,730 | 25–43 MPG | $1,380–$2,650 |
| 2024 | 24–28 MPG | $2,350–$2,730 | 25–43 MPG | $1,380–$2,660 |
| 2023 | 24–26 MPG | $2,490–$2,730 | 25–43 MPG | $1,380–$2,620 |
| 2022 | 24–26 MPG | $2,490–$2,730 | 21–26 MPG | $2,540–$3,060 |
| 2021 | 24–28 MPG | $2,370–$2,730 | 21–26 MPG | $2,530–$3,060 |
| 2020 | 24–28 MPG | $2,370–$2,730 | 21–26 MPG | $2,550–$3,060 |
| 2019 | 24–29 MPG | $2,370–$3,390 | 21–25 MPG | $2,570–$3,090 |
| 2018 | 26–29 MPG | $2,370–$3,390 | 21–26 MPG | $2,560–$3,090 |
| 2017 | 26–27 MPG | $2,400–$2,540 | 21–26 MPG | $2,560–$3,090 |
| 2016 | 26–29 MPG | $2,260–$2,510 | 21–23 MPG | $2,800–$3,060 |
| 2015 | 26–29 MPG | $2,260–$2,520 | 21–23 MPG | $2,800–$3,150 |
| 2014 | 26–29 MPG | $2,260–$2,500 | 21–23 MPG | $2,800–$3,150 |
| 2013 | 27–29 MPG | $2,260–$2,390 | 21–25 MPG | $2,600–$3,110 |
Earlier model years are costed with today's fuel prices, so the table shows how each model's efficiency changed, not what fuel cost at the time. Ranges cover every configuration of that model year.
Frequently asked questions
Which is cheaper to fuel, the Mazda CX-5 or the Kia Sportage?
The Kia Sportage is cheaper: about $1,540 a year against $2,490 for the Mazda CX-5, a difference of $950 a year. That compares the lowest-cost configuration of each in model year 2026 at 15,000 miles a year with the same fuel prices.
How much would the Kia Sportage save over five years?
About $4,750 ($950 a year for five years), assuming 15,000 miles a year and the same fuel prices. Your total depends on how much you drive and on local prices; see fuel cost by state.
Which has the better fuel economy rating, the Mazda CX-5 or the Kia Sportage?
The Kia Sportage is rated 42 MPG combined against 26 MPG for the Mazda CX-5. City: 24 MPG vs 41 MPG. Highway: 30 MPG vs 44 MPG. These are the EPA ratings of each model's lowest-cost configuration.
How is the annual fuel cost calculated?
Distance of 15,000 miles a year at the EPA combined rating (55% city, 45% highway). Gasoline is priced at $4.36/gal (EIA U.S. average for regular, Sep 2026) and electricity at 18.3¢/kWh (EIA U.S. residential average, Jul 2026); premium and diesel configurations use their own EIA prices. Each result is rounded to $10, and differences are calculated from the rounded figures.
Are the Mazda CX-5 and the Kia Sportage in the same class?
Yes. The EPA classes both as Small SUVs.
Explore these cars
- Mazda CX-5: ratings, trims and every model year
- Kia Sportage: ratings, trims and every model year
- 2026 Mazda CX-5: all configurations
- 2026 Kia Sportage: all configurations
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