In Australia, a proper engine rebuild runs anywhere from about $2,500–$5,000 for a small 4‑cyl petrol to $6,000–$12,000+ for V6/V8s or turbo diesels, depending on damage and parts.
Performance or heavily worn motors can push into the $8,000–$15,000 bracket once machining, gaskets, timing gear, and labour ($110–$180/hr) pile on.
If you’re weighing “new vs used”: a used wrecker engine swap might land at $1,500–$5,000 plus labour (luck-of-the-draw), while a new or reman crate long block can be $4,000–$12,000+ before fitting.
Extra costs lurk in turbos, injectors, pumps, clutch/DMF, fluids, and “since we’re in there” surprises—because of course they do.
Get itemised quotes, compression/leak-down results, and a warranty in writing; then pick the shop that inspires confidence, not just the one with the cheapest invoice.
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