Mazda CX-50 MPG and Fuel Tank Size | All Model Years

At Sport Mazda North, we know one of the most common CX-50 questions is also one of the most important: how far can it go on a tank, and how much efficiency can you expect from each model year? The answer depends on which powertrain you choose, because the CX-50 has evolved from two gas-engine setups in its early years to a lineup that now also includes a hybrid. Below, we break down every Mazda CX-50 model year, starting with the newest models first, and we group years together where the fuel economy numbers stay the same.

2026 Mazda CX-50 gas models

For 2026, the gas-powered Mazda CX-50 comes in two efficiency tiers. The 2.5 S models are rated at 24 city, 30 highway, and 26 combined mpg. Turbo models are rated at 23 city, 29 highway, and 25 combined mpg. Mazda’s official trims and specifications page lists the fuel capacity for the gas CX-50 at 15.9 gallons, so if you are shopping the 2026 lineup, that is the tank size to expect regardless of whether you choose the naturally aspirated or turbocharged version.

2026 Mazda CX-50 Hybrid

The 2026 Mazda CX-50 Hybrid is the efficiency leader in the lineup. EPA figures show 39 city, 37 highway, and 38 combined mpg, which is a major jump over the gas-only versions. Mazda has also published the 2026 CX-50 Hybrid with a 15.9-gallon fuel tank in its vehicle specification materials, so drivers looking for the best possible mix of CX-50 capability and fuel savings will want to focus here first.

2025 Mazda CX-50 gas models

The 2025 model year brought a noticeable efficiency improvement for the non-hybrid 2.5 S models. Those versions are rated at 25 city, 31 highway, and 28 combined mpg. Turbo models stayed at 23 city, 29 highway, and 25 combined mpg. Mazda’s 2025 CX-50 pricing release specifically notes that the 2.5 S models improved to 25/31/28, while the official EPA database confirms both the 2.5 S and turbo ratings for the year. For tank size, the CX-50’s gas platform continues with a 15.9-gallon tank, consistent with Mazda’s published specifications for surrounding model years in the same generation.

2025 Mazda CX-50 Hybrid

The 2025 Mazda CX-50 Hybrid debuted with 39 city, 37 highway, and 38 combined mpg. That means the first CX-50 Hybrid year already matched the efficiency figures we see again for 2026. Mazda’s own 2025 product information and EPA listings both reflect that 38 combined mpg figure. Mazda’s published hybrid specification materials for 2026 show a 15.9-gallon tank, and because the 2025 and 2026 CX-50 Hybrid share the same EPA ratings and carryover setup, we group them together here.

2023 and 2024 Mazda CX-50 gas models

If you are researching earlier CX-50 years, 2023 and 2024 are straightforward. In both years, the naturally aspirated CX-50 returns 24 city, 30 highway, and 27 combined mpg. Turbo models in both years return 23 city, 29 highway, and 25 combined mpg. The 2024 Mazda owner’s manual lists the fuel tank at 60.0 liters, which converts to 15.9 U.S. gallons, and that capacity aligns with the CX-50 spec information Mazda continues to publish. So for 2023 and 2024 gas models, you can confidently expect a 15.9-gallon tank.

What changed from year to year

The biggest fuel economy change in the CX-50 timeline came in 2025. That is when the 2.5 S gas models improved from 24/30/27 to 25/31/28, and it is also when the hybrid arrived with 39/37/38 ratings. Turbo mileage has stayed impressively consistent from the beginning, holding at 23 city, 29 highway, and 25 combined through the years covered here. For shoppers comparing model years, that means your biggest efficiency jump comes from either moving from a 2023 or 2024 2.5 S into a 2025 model, or stepping into a 2025 or 2026 hybrid.

Quick year-by-year Mazda CX-50 mpg and tank size summary

2026 CX-50 2.5 S: 24 city / 30 highway / 26 combined mpg, 15.9-gallon tank.
2026 CX-50 2.5 Turbo: 23 city / 29 highway / 25 combined mpg, 15.9-gallon tank.
2026 CX-50 Hybrid: 39 city / 37 highway / 38 combined mpg, 15.9-gallon tank.
2025 CX-50 2.5 S: 25 city / 31 highway / 28 combined mpg, 15.9-gallon tank.
2025 CX-50 2.5 Turbo: 23 city / 29 highway / 25 combined mpg, 15.9-gallon tank.
2025 CX-50 Hybrid: 39 city / 37 highway / 38 combined mpg, grouped with 2026 hybrid on fuel capacity.
2024 CX-50 2.5 S: 24 city / 30 highway / 27 combined mpg, 15.9-gallon tank.
2024 CX-50 2.5 Turbo: 23 city / 29 highway / 25 combined mpg, 15.9-gallon tank.
2023 CX-50 2.5 S: 24 city / 30 highway / 27 combined mpg, 15.9-gallon tank.
2023 CX-50 2.5 Turbo: 23 city / 29 highway / 25 combined mpg, 15.9-gallon tank.

Final thoughts

From our perspective at Sport Mazda North, the Mazda CX-50 has stayed impressively consistent where it counts. Turbo models have delivered stable efficiency across every model year, the early gas models gave drivers a dependable 24/30 or 23/29 split depending on engine choice, and the 2025 update made the 2.5 S even more efficient while also introducing the standout hybrid. If your goal is the best mpg in the CX-50 family, the 2025 and 2026 hybrids lead the way. If you want strong balance without going hybrid, the 2025 2.5 S is the gas model to watch.