Do Winter Tires Lower Your Car Insurance in Ontario?
Yes. The winter tire insurance discount is required of every Ontario insurer, the only province in Canada that mandates it. Since January 1, 2016, every auto insurer in the province has had to give a discount, usually about 2 to 5 percent, if you run a matching set of four winter-rated (3PMSF) tires through the dates your insurer sets. You have to ask for it and show proof, so it is easy to miss.
The winter tire insurance discount is one of the few cold-weather perks written into Ontario law, and most GTA drivers either do not know it exists or never ask. It will not transform your premium on its own, but it is real money back for something many of you already do, and claiming it is one short call. Here is how big the discount usually is, which tires qualify, the dates you have to respect, and how to actually get it applied.
Do winter tires lower your insurance in Ontario?
Yes, and Ontario is unusual for making it a rule. Since January 1, 2016, every insurer writing private passenger auto policies in the province has been required to offer a winter tire discount, which makes Ontario the only province in Canada where the discount is mandated rather than left to the insurer. Ontario does not force drivers to run winter tires, but it does require insurers to reward the drivers who do. The one catch is that the discount is opt in from your side: it is applied when you tell your insurer and prove it, not automatically added to your policy.
How big is the winter tire insurance discount?
Usually modest, in the range of about 2 to 5 percent of your annual premium. The exact figure is left to each insurer, so one company may offer 2 percent while another sits closer to 5. On a typical GTA premium that is often a few dozen dollars a year rather than a windfall, but it repeats every year you keep winter tires on, so across the life of a set it adds up. Treat it as a steady rebate on a safety habit you would want anyway, not a reason on its own to buy.
What dates do you have to keep winter tires on to qualify?
Here is where drivers lose the winter tire insurance discount. Insurers set a window during which your winter tires must be installed, and if you fit them late or take them off early you can lose it for that year. The dates vary by company, so there is no single set of Ontario winter tire insurance dates.
As examples, TD has commonly used December 1 to March 30, while CAA has used November 20 to April 15. Most windows sit somewhere in that band, roughly late fall to early spring, and the winter tire change date that matters is whichever one your own insurer prints, not a neighbour's. Because the exact dates differ, confirm your own insurer's window before you book your seasonal swap, and keep all four tires on for the full period even during a mild March.
Do all-season or all-weather tires count?
Not all of them, and this is the most common misunderstanding. The discount is for winter-rated tires, which means the tire must carry the three peak mountain snowflake symbol, or 3PMSF, and you need a matching set of four. All-season tires carry only the M+S mark, which describes the tread pattern and is not a snow-traction test, so they do not qualify. The rule is the same whether your installer calls them winter tires or snow tires, so a snow tire insurance discount and a winter tire insurance discount are the same thing.
All-weather tires are the grey area: many now carry the 3PMSF snowflake, and where they do some insurers will accept them, but insurance eligibility can be narrower than the tire standard, so ask your insurer about your exact model before you assume it counts.
| Tire type | Winter certification | Counts for the discount? |
|---|---|---|
| All-season | M+S mark only, not a winter test | No, not winter-rated |
| All-weather | 3PMSF snowflake | Sometimes, confirm with your insurer |
| Winter | 3PMSF, some add the Ice Grip symbol | Yes, this is what insurers mean |
How do you claim the winter tire insurance discount?
Claiming it is a quick, manual step, and the effort is mostly keeping your paperwork. You contact your insurer or broker, tell them you have installed four winter tires, and provide proof. Keep the purchase receipt or the installer invoice and note the installation date, since that is what insurers ask for. Photos of the tires and the snowflake symbol can support a claim but do not replace the invoice. Once applied, the discount usually shows up at your next renewal or is prorated on your current policy.
- Fit four winter-rated (3PMSF) tires within your insurer's dates.
- Call or message your insurer or broker and request the winter tire discount.
- Send the receipt or installer invoice showing the tires and the installation date.
Is the winter tire discount worth claiming in Ontario?
For the two minutes it takes, yes. On its own it is a small saving, a few dozen dollars a year for most GTA drivers. But it is money back you can count on for a set you were going to fit anyway, it repeats every winter, and it stacks with whatever you save on the tires themselves. The only way to lose it is to not ask, or to miss your insurer's dates. Treat it as a standing rebate for choosing to discount winter tires off your premium, claim it once, and keep the invoice on file so it carries forward at each renewal.
Getting winter tires and the discount for less in the GTA
The discount rewards buying winter tires, but the bigger cost is the tires themselves, and shopping alone gives you no leverage on that price. That is what Whollar was built for. Drivers in the same area bring their demand together into one cohort, installers compete to serve everyone, and you see the offers before deciding whether to buy.
The insurance discount then sits on top of a cohort price, so you pay less on the set and trim the premium at the same time. You can put real numbers on it with our insurance savings estimator. It takes about a minute and does not commit you to anything. If you are weighing tire types first, our guides on Ontario's winter tire law and how much winter tires cost in the GTA are the place to start.
Buying winter tires for the GTA this year? Drivers are joining one cohort so installers compete on price. It takes about a minute and does not commit you to buy.
Join the winter tire cohort See how it works- Free to join
- No commitment
- No purchase today
Frequently asked questions
Do winter tires lower your insurance in Ontario?
Yes. Since January 1, 2016 Ontario has required every auto insurer in the province to offer a winter tire discount, the only province in Canada that mandates it. It is usually about 2 to 5 percent, and you have to ask for it and show proof.
How much is the winter tire insurance discount?
Usually about 2 to 5 percent of your annual premium, set by each insurer. It is a modest, repeating rebate rather than a big saving, applied once you prove you run a matching set of four winter tires.
What dates must winter tires be on to keep the discount?
It depends on your insurer. As examples, TD has used December 1 to March 30 and CAA November 20 to April 15. Confirm your own insurer's window and keep all four tires on for the full period.
Do all-season or all-weather tires qualify for the discount?
All-season tires do not, because they carry only the M+S mark and are not winter-rated. All-weather tires with the 3PMSF snowflake sometimes qualify, but ask your insurer about your exact model first.
How do you claim the winter tire insurance discount?
Tell your insurer or broker you have installed four winter tires and send proof: the receipt or installer invoice with the installation date. The discount is applied to your policy, often at your next renewal.
Sources
- MyChoice, Ontario's winter tire discount and the January 1, 2016 requirement: mychoice.ca
- Ratehub, Ontario the only province where the discount is mandated, 3PMSF and four matching tires: ratehub.ca
- rates.ca, up to 5 percent and example insurer dates (TD, CAA): rates.ca
- BrokerLink, required of Ontario insurers since 2016 and how to claim: brokerlink.ca
This guide is general information for Ontario drivers and is not insurance or legal advice. Discount amounts, qualifying tires and dates are set by each insurer and change, so confirm the terms with your own insurer or broker before you rely on them.