2021 Mazda Cx-3
31MPG
Combined
2
Trims
← 2020
2021
Updated February 27, 2026
Looking at the 2021 Mazda Cx-3? This Compact Sedan offers 29–31 combined MPG depending on trim and comes with 2 available configurations. We break down the specs, safety data, and how it compares to the competition.
2021 Mazda Cx-3 Specifications
| Spec | Value |
|---|---|
| Combined MPG | 29–31 combined MPG depending on trim |
| City MPG | 29 |
| Highway MPG | 34 |
| Body Style | Compact Sedan |
| Fuel Type | Regular |
| Drive | FWD |
| Available Trims | 2 |
Available Trims
| Trim | MPG (City/Hwy/Combined) | Engine | Transmission |
|---|---|---|---|
| 4 cyl | 29/34/31 | 2.0L 4cyl | Automatic (S6) |
| 4 cyl | 27/32/29 | 2.0L 4cyl | Automatic (S6) |
Annual Fuel Cost
Based on EPA estimates, the 2021 Mazda Cx-3 costs approximately $1,450 per year in fuel. This assumes 15,000 miles driven annually and current fuel prices.
Compare the 2021 Mazda Cx-3
See how it stacks up against similar vehicles:
Other Model Years
Check Vehicle History
Considering a used Mazda Cx-3? Get a comprehensive vehicle history report including accident records, ownership history, and more.
🔍 Check Mazda Cx-3 Vehicle History
Check VIN →
Check Vehicle History
Check VINGet the full story — accidents, ownership, recalls, odometer, and more. Decode any VIN instantly.