Swapping a Mazda 3 engine isn’t pocket change, but it beats pushing it uphill in thongs.
For a used or reconditioned 2.0L/2.5L unit, expect roughly $2,500–$6,500 for the engine itself, plus $1,500–$3,000 in labour, fluids and sundries.
A brand‑new crate engine can land closer to $6,000–$10,000+ before installation, taking the total to $8,000–$13,000 depending on workshop rates and extras.
Costs jump for newer Skyactiv‑X variants, warranty requirements, or if mounts, injectors, clutch/torque converter and cooling bits join the party.
Get quotes from a Mazda dealer and a reputable independent, and confirm whether a low‑km used engine comes with compression tests and a warranty.
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