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About this tool
Compare doing a basic car service yourself against workshop charges, including parts markup, labour, GST and tool payback.
This calculator prices a routine car service twice — once with parts you buy yourself and once as a workshop invoice with parts markup, billed labour hours and 18% GST — and reports the cash difference per service. It also amortises a one-time tool kit over the services it will cover, so you can see how many oil changes it takes before the spanners pay for themselves. Useful for owners of out-of-warranty cars deciding whether a minor service is worth doing in the driveway.
Open DIY vs Garage Service Cost on AltFTool — it loads instantly in your browser.
Enter the values you already know.
Fine-tune the options to match your scenario.
Read the result and use it in your planning or reporting.
Applies 18% GST to parts and to labour separately, the way a real invoice splits them.
Shows what your DIY hours effectively earn, so a small saving over a long afternoon is obvious.
Converts a one-time kit purchase into the number of services before it breaks even.
For a minor service it usually is, because the two big garage line items — parts markup and billed labour — both disappear. On the default numbers here a basic oil-and-filter service costs about ₹3,700 in the driveway against roughly ₹5,200 at a workshop, a saving near 29%. The gap narrows fast if you price your own time in.
18%. Maintenance and repair of motor vehicles falls under SAC 998714 at 18% GST, and the common service consumables — lubricating oils under HSN 2710 and filters under HSN 8421 — are also in the 18% slab, so both halves of a service bill carry the same rate.
It can. Manufacturers generally require scheduled services to be carried out at an authorised centre with approved parts while the vehicle is under warranty, and a claim can be rejected if the service history is missing. Once the warranty period is over that restriction no longer applies — read your owner's manual and warranty booklet, and ask the manufacturer if you are unsure.
Take it to an authorised used-oil collector or a workshop that accepts it — used engine oil is classified as hazardous waste under India's Hazardous and Other Wastes (Management and Transboundary Movement) Rules, 2016, and pouring it down a drain or onto soil is an offence. Budget for a container and the trip; the calculator has a disposal field for exactly that.
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