Most Canadian auto insurers offer a premium discount when you install winter tires, typically ranging from 2% to 5% off your base premium. The discount applies during the months you have winter tires mounted (usually December through March), and you must notify your insurer of the installation and removal dates to qualify. In Quebec, winter tires are legally required from December 1 to March 15, but the insurance discount still applies. Outside Quebec, winter tires are optional, but insurers across Canada reward drivers who use them with lower premiums.

What Is the Winter Tire Discount?

The winter tire discount is a premium reduction offered by most auto insurers in Canada to drivers who install Transport Canada-approved winter tires on all four wheels during the winter season. Insurers introduced this discount to encourage safer winter driving, as winter tires significantly improve traction, braking, and handling on snow and ice compared to all-season tires. According to the Insurance Bureau of Canada, vehicles equipped with winter tires are involved in fewer collisions during winter months (IBC, 2024), which reduces claims costs and allows insurers to pass savings to policyholders.

The discount is separate from other auto insurance discounts such as multi-policy bundling, claims-free history, or telematics-based safe driving programs. You can combine the winter tire discount with these other discounts to maximize your total savings.

How Much Can You Save?

The winter tire discount typically ranges from 2% to 5% of your total auto insurance premium, though the exact amount varies by insurer and province. On a C$1,500 annual premium, a 3% discount saves you C$45 per year. On a C$2,000 premium, the same percentage saves C$60. Some insurers in provinces with severe winter weather (such as Ontario, Quebec, Alberta, and Manitoba) offer discounts at the higher end of the range, while others cap the discount at 2%.

The percentage applies to your base premium before other discounts, and the discount is prorated if you only have winter tires installed for part of the policy year. For example, if you install winter tires in December and remove them in March (four months out of twelve), the discount applies to one-third of your policy term. Some insurers apply the discount to specific coverages (collision and comprehensive) rather than to your entire premium, so confirm the calculation method with your insurer or broker when requesting a quote.

How to Qualify for the Discount

To qualify for the winter tire discount, you must install Transport Canada-approved winter tires (marked with the three-peaked mountain and snowflake symbol) on all four wheels of your vehicle. All-season tires, even those rated for mud and snow (M+S), do not qualify. You must notify your insurer of the installation date (usually in November or early December) and the removal date (usually in March or April). Most insurers require you to report these dates annually, either through your broker, online account, or customer service line.

Read also: Autumn Car Insurance Review in Canada: Preparing for Winter Driving

Some insurers verify winter tire installation through photos, odometer readings, or installation receipts from a tire shop. If you change vehicles mid-policy, you must confirm that winter tires are installed on the new vehicle to maintain the discount. If you remove winter tires before the insurer’s required minimum period (for example, removing them in February when the insurer requires coverage through March), the discount is adjusted or removed for that policy year.

Provincial Differences

In Quebec, winter tires are mandatory by law from December 1 to March 15 for all passenger vehicles registered in the province. The insurance discount still applies, and Quebec insurers must offer it as part of the standard auto insurance product. Drivers who fail to install winter tires during the mandatory period face fines and may have claims denied if an accident occurs while non-compliant.

In all other provinces and territories, winter tires are optional, but most private auto insurers offer the discount voluntarily to encourage their use. In British Columbia, Manitoba, and Saskatchewan (where basic auto insurance is provided by a public insurer: ICBC, MPI, and SGI, respectively), the winter tire discount may be structured differently or bundled into other safe-driving incentives. Confirm the discount structure with your insurer or the provincial regulator (such as FSRA in Ontario, the AMF in Quebec, or BCFSA in British Columbia) if you are unsure how it applies to your policy.

Next Steps

Contact your auto insurance broker or insurer before installing winter tires to confirm the discount amount, the required installation and removal dates, and the documentation needed to claim the discount. If you already have winter tires installed, report the installation date to your insurer immediately to ensure the discount is applied to your current policy year. Compare quotes from multiple insurers, as the winter tire discount percentage and total savings vary by provider. As covered in foundational insurance texts such as Introduction to Business, insurers use discounts strategically to align policyholder behaviour with risk reduction, and taking advantage of available discounts is a core part of managing insurance costs effectively.

Disclaimer: This article provides general information about winter tire car insurance discounts in Canada and is not financial, insurance, or legal advice. Auto insurance products, coverage terms, discount percentages, and winter tire requirements vary by province, territory, and insurer. In Quebec, winter tires are legally required from December 1 to March 15; in other provinces and territories, they are optional but may qualify for a discount. Confirm the discount amount, eligibility requirements, installation dates, and documentation needed with a licensed insurance broker or agent in your province before making coverage decisions. Consult your provincial insurance regulator (such as FSRA in Ontario, the AMF in Quebec, or your territory’s equivalent) for information on mandatory coverage and consumer rights. This information is current as of October 2026; verify current rates, discount structures, and regulatory requirements with your insurer or broker before deciding.