The Mazda CX-70 does 25.5 mpg combined (24 city, 28 highway), which works out to about $1,506 a year in fuel at $3.20 a gallon and 12,000 miles. Engine choice matters more than you'd think: 2.5L 4-cyl Hybrid does 26 mpg while 3.3L 6-cyl Hybrid does 25 — a difference of $59 a year. Against other Hybrid cars it sits below the average of 29.8 mpg.
Every Mazda CX-70 engine, compared
Gas mileage on the Mazda CX-70 ranges from 26 down to 25 depending on which engine sits under the bonnet — a spread of $59 a year across 2 versions of the same car. Picking the right one often saves more fuel than picking a different car altogether. Yearly cost assumes 12,000 miles at $3.20 a gallon.
| Engine | Combined | City / Highway | Years | Fuel per year |
|---|---|---|---|---|
| 2.5L 4-cyl Hybrid | 25 / 28 | 2026–2026 | $1,477 | |
| 3.3L 6-cyl Hybrid | 23 / 28 | 2025–2025 | $1,536 |
What that actually costs
The Mazda CX-70 burns a gallon every 25.5 miles, so 12,000 miles takes about 471 gallons a year. At $3.20 that is what the table below adds up to.
| Measure | Value |
|---|---|
| Cost per mile | $0.125 |
| Fuel per year | $1,506 |
| Fuel over five years | $7,530 |
| Against other Hybrid cars | +$217 a year |
| EPA's own estimate | $3,025 a year |
City or highway — who is this car for
The Mazda CX-70 gives up 4 mpg the moment you leave the motorway — 28 out there against 24 in town, a 17% drop worth $229 a year. A wide gap punishes stop-and-start traffic; a narrow one means the car doesn't care where you drive it.
| Measure | Value | Reading |
|---|---|---|
| City | 24 mpg | $1,600 a year if you only drive in town |
| Highway | 28 mpg | $1,371 a year if you mostly commute |
| Gap | +4 mpg (17%) | Typical for its type |
How the CX-70 changed over the years
The CX-70 peaked in 2026 at 26 mpg (25 city, 28 highway) and was at its thirstiest in 2025 at 25 — 1 mpg apart, or $59 a year in fuel between buying one year and the other. The 2026 car does 26.
| Model year | Combined | City / Highway | Engines offered | Fuel per year |
|---|---|---|---|---|
| 2026 | 25 / 28 | 1 | $1,477 | |
| 2025 | 23 / 28 | 1 | $1,536 |
MPG is a number. Dollars per year is the answer.
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How we count
This page rests on 2 EPA ratings of the Mazda CX-70 — 2 engines across 2025–2026. The mileage is EPA's laboratory figure, unchanged; the yearly bill is ours, at 12,000 miles and $3.20 a gallon, against EPA's own estimate of $3,025. Full method.
Frequently asked questions
What mpg does the Mazda CX-70 get?
25.5 mpg combined on average — 24 in the city and 28 on the highway, per EPA ratings across 2025–2026.
How much does a Mazda CX-70 cost in fuel per year?
About $1,506 at 12,000 miles and $3.20 a gallon — roughly $7,530 over five years, or 0.125 dollars a mile.
Which CX-70 engine is the most economical?
The 2.5L 4-cyl Hybrid at 26 mpg, against 25 for the 3.3L 6-cyl Hybrid — a difference of about $59 a year.
Is the CX-70 good on fuel compared with similar cars?
Against other Hybrid cars it sits below the average of 29.8 mpg, computed across 1162 ratings.
Are these real-world CX-70 figures?
No — they are EPA laboratory ratings, the same ones printed on the window sticker, and EPA's own annual fuel estimate for the Mazda CX-70 is $3,025 against the $1,506 we compute at 12,000 miles. Expect a little worse in practice: the spread between the 26 and 25 mpg versions of this car is smaller than the spread between two drivers of the same one.
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