Auto repair & detailing
Engine Repair Cost Calculator
Cost engine work where the size of the job is decided by what is found once it is apart.
Result
A planning estimate, not a quote. Access, the age of the equipment, what is found once it is opened up and local labour rates all move the real figure, sometimes a long way.
Get a Free Business AuditWhat moves the number
- Whether the repair is in-vehicle or requires removal, which dominates the labour.
- Machine shop work, which is a third party cost and a schedule you do not control.
- Gaskets, seals and fasteners that must be replaced rather than reused once disturbed.
Where this one goes wrong
Quoting a fixed price before the engine is opened. What is found inside routinely changes the job, and a fixed number given beforehand is a number you will be held to.
Questions
About this calculator
How should an engine job be quoted?
In stages. Price the strip and inspection, then price the repair once the condition is known. Customers accept a staged quote on an engine far more readily than a revised invoice.
Is a used or remanufactured engine ever the better option?
Frequently, particularly on an older vehicle where the repair cost approaches the vehicle's value. Present it as an option with its own warranty rather than dismissing it.
Why do engine jobs run over?
Because the scope is genuinely unknown until it is apart, and because machine shop turnaround is outside your control. Both should be reflected in the timeline you give the customer.
The formula
total = hours x people x rate + parts + call-out, then sales tax
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How to use this calculator
- Hours on site (h). Enter your own figure; the page starts at 2.2 h.
- People needed. Enter your own figure; the page starts at 1.
- Labour rate charged ($). Enter your own figure; the page starts at $135.
- Parts and materials ($). Enter your own figure; the page starts at $180.
- Call-out or diagnostic fee ($). Enter your own figure; the page starts at $95.
- Sales tax (%). Leave at zero if you are quoting before tax.
The result updates as you type, so you can try a figure, see what it does to estimated total, and change it back. Nothing you enter is sent anywhere or saved.
A worked example
These are the figures the calculator opens with. Every number in the results column below is produced by the same calculation the page runs, so you can follow it through before putting your own figures in.
What goes in
| Input | Value |
|---|---|
| Hours on site | 2.2 h |
| People needed | 1 |
| Labour rate charged | $135 |
| Parts and materials | $180 |
| Call-out or diagnostic fee | $95 |
| Sales tax | 0% |
What comes out
| Result | Value |
|---|---|
| Estimated total main result | $572 |
| Labour | $297 |
| Before tax | $572 |
| Sales tax | $0 |
About $572: $297 of labour, $180 of parts and a $95 call-out.
How sensitive the answer is
Holding everything else steady and changing only labour rate charged, this is what happens to estimated total. It is worth knowing which of your inputs the answer actually hinges on, and which barely move it.
| Labour rate charged ($) | Estimated total |
|---|---|
| $68 | $424.60 |
| $101 | $497.20 |
| $135 example above | $572 |
| $203 | $721.60 |
| $270 | $869 |
Every other input is held at the example value while this one changes, which is not how a real job behaves. Treat it as a guide to which number matters most, not as five separate quotes.
What each figure means
- Hours on site (h)
- Measured in h, between 0 and 400, starting at 2.2 h.
- People needed
- A number, between 0 and 40, starting at 1.
- Labour rate charged ($)
- A money amount, starting at $135.
- Parts and materials ($)
- A money amount, starting at $180.
- Call-out or diagnostic fee ($)
- A money amount, starting at $95.
- Sales tax (%)
- Leave at zero if you are quoting before tax.
What the results tell you
| Result | What it is |
|---|---|
| Estimated total | The headline result. A money figure. |
| Labour | A money figure. |
| Before tax | A money figure. |
| Sales tax | A money figure. |
Estimating is the easy part
The jobs you never hear about cost more than the ones you mis-measure. BDEVY builds the marketing, systems and automation that bring them in.