What tire size does my car take? The size printed on your driver's door-jamb placard — the sticker inside the door frame, not a size from memory or a similar car. That size is the factory fitment: the width, height, and wheel diameter your car was built for. Read it there, or use Servik's lookup_tire_fitment tool from /tools or /chat.
Buying tires is stressful enough without guessing the size. A wrong size can change how the car handles, what the speedometer says, and how much weight the tire can carry. So don't guess from memory or from what fits a similar car — the placard takes two minutes to read, and the tool below checks it against factory sources.
Open the driver's door and look at the sticker on the door frame — the door-jamb placard. It lists a size like 205/55R16, plus a load index and a speed rating. Write down all three numbers. That sticker describes your actual car, and it always wins over a lookup.
The same model can ship with different wheel sizes. A 2021 Corolla LE and a 2021 Corolla SE do not take the same tire, so have the trim from your registration or the door jamb before you ask.
Give the tool your year, make, model, and trim. It checks Servik's fitment sources and returns the factory sizes it can stand behind, with a load index and speed rating for each one. It returns a size only when two or more independent sources agree on it — when they do not, it says so plainly instead of guessing.
For a 2022 Tesla Model 3, the tool returns two sizes, each backed by 4 sources, status held: 235/45R18 (98W, 18-inch Aero) and 235/40R19 (96W, 19-inch Sport). For a 2021 Toyota Corolla it returns three: 195/65R15 (91S, L/Hybrid LE), 205/55R16 (91H, LE), and 225/40R18 (88V, SE/XSE). Read it as a shortlist keyed to trim: find your trim, take that row, and check the load index and speed rating match your placard. The 20-inch Performance staggered setup is still not served, because the tool's schema cannot represent a staggered pair — if that is your car, read the placard.
Even a sourced fitment is a lookup, not a look at your car. Open the driver's door and compare the size, load index, and speed rating on the placard with what the tool returned. If they disagree, the placard wins — it describes your actual car. When Servik holds no fitment for a vehicle, the tool says so instead of guessing. Read the size from your placard or sidewall and record it with the tool's placard_size input. That record is marked user-supplied: it is your reading, not factory fitment data.
With the size in hand, ask for quotes through /get-quotes or in /chat. Call the shop to confirm it stocks your size before you drive over — stock is never guaranteed by a listing.
Servik publishes no tire price: the tire itself is priced by the shop's quote, and Servik is still collecting accurate price data for tires. For a seller's reference price, see SimpleTire. What the size does affect is inspection: where states require a safety inspection, the inspection fee itself is commonly $12–$30, and worn or damaged tires are a common reason a car fails, so a wrong or worn size can cost you a re-inspection as well as new tires.
Call a local tire shop or pro when the placard is unreadable or missing, when the tool returns no fitment for your car, when two sources disagree about your trim, or when you drive a staggered setup like the 20-inch Model 3 Performance. A shop can read the sidewall and the placard in person and confirm the size before ordering.
The size printed on your driver's door-jamb placard. Run lookup_tire_fitment from /tools or /chat and it will check the factory size for your year, make, model, and trim — but if the tool and the placard disagree, the placard wins.
The tool says plainly that Servik holds no fitment data for that vehicle and tells you to read the size from the door-jamb placard or tire sidewall. It never guesses a size. Read the placard, record it with the placard_size input, and use that size when you ask shops for quotes.
No. The 18-inch Aero (235/45R18) and 19-inch Sport (235/40R19) sizes are served with 4 sources each, but the 20-inch staggered setup is still not served because the tool's schema cannot represent a staggered front/rear pair. Read the placard on a Performance car.
No. It is the factory fitment: the size your car was built with. Which tire type to buy in that size — wet grip, long life, quiet ride — is a separate question for the advise_tires tool, and the price comes from a shop quote.
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