01 Types of Tires — Which One Do You Need?

Toronto drivers have four tire categories to choose from — and the wrong choice for the season can significantly impact both safety and wallet. Here's what you need to know about each.

All-Season Tires

All-season tires are the most popular choice for Toronto drivers who want a single set for the entire year. They're engineered to perform adequately in dry conditions, wet spring and fall roads, and mild cold above 7°C. The tradeoff is that they compromise in all directions — they're not as grippy as summer tires in heat, and they lose significant stopping ability in genuine cold-weather conditions.

Best for: Drivers who primarily commute on the 401, Sheppard, or other GTA highways and want year-round convenience without a seasonal swap. See our all-season tires guide for North York for specific model recommendations.

Winter Tires

Winter tires use a fundamentally different rubber compound that stays pliable below 7°C — the threshold where all-season compounds harden and lose grip. The result is dramatically shorter stopping distances on ice, packed snow, and cold pavement. In Transport Canada testing, winter tires consistently stop 30–40% shorter than all-season tires in cold conditions.

Best for: Every Toronto driver who experiences winter. The lake-effect snow from Lake Ontario, combined with freeze-thaw cycles that create black ice on the 401, Gardiner, and local streets, makes winter tires a meaningful safety upgrade — not a luxury. See our complete winter tire guide for Toronto.

Summer Tires

Summer tires are engineered for maximum dry and wet grip in warm temperatures. They use a softer, stickier compound optimized for above-7°C performance — which means they harden and become brittle in cold weather. Summer tires on a Toronto street in January are genuinely dangerous. They're the right choice for performance vehicles driven in warm months, or drivers with a dedicated summer set alongside a winter set.

Best for: Performance vehicle owners, enthusiast drivers with a second set of wheels, and drivers who can commit to a strict seasonal swap schedule.

All-Weather Tires — The Fourth Option

All-weather tires carry the Three-Peak Mountain Snowflake (3PMSF) certification — meaning they've been independently tested in severe snow conditions — while still performing adequately in summer heat. They're a genuine four-season solution for Ontario drivers who want one set that handles everything without the performance compromises of standard all-seasons in winter. The Michelin CrossClimate 2 is the benchmark in this category.

02 How to Read a Tire Size

Your tire size is on the sidewall of every tire you own — and in your vehicle owner's manual. It looks like this: 225/45R18. Here's what each number means.

Width (225)

The first number is the tire's width in millimetres, measured from sidewall to sidewall. A wider tire generally provides more contact patch and grip, but may also increase rolling resistance and fuel consumption.

Aspect Ratio (45)

The aspect ratio is the sidewall height expressed as a percentage of the width. In our example, 45% of 225mm = 101mm of sidewall. A lower aspect ratio (like 35 or 40) means a shorter, stiffer sidewall — common on performance vehicles. A higher ratio (55 or 65) means a taller, more cushioned sidewall — common on SUVs and crossovers.

Radial (R)

R means radial construction — the internal ply cords run perpendicular to the direction of travel. This is standard on virtually all modern passenger tires. You may occasionally see B (bias-ply) on specialty or vintage tires.

Rim Diameter (18)

The final number is the diameter of the wheel this tire fits, measured in inches. This must match your wheel exactly — a tire marked 18 will not fit a 17-inch or 19-inch wheel.

03 Speed Ratings & Load Index

Beyond the main size numbers, tires carry two additional ratings stamped on the sidewall — speed rating and load index. You must match or exceed your vehicle's original specification for both.

Speed Rating

The speed rating is a letter following the size marking (e.g. 225/45R18 91W) that indicates the maximum sustained speed the tire is designed for. Common ratings you'll encounter in the GTA: T (190 km/h) for passenger vehicles, H (210 km/h) for sedans and light SUVs, V (240 km/h) for performance vehicles, W (270 km/h) and Y (300 km/h) for high-performance sports cars. You can fit a higher speed-rated tire than your vehicle requires — but never a lower one.

Load Index

The load index (the number before the speed rating letter) indicates the maximum weight each tire can support. A load index of 91 means 615 kg per tire. Your vehicle's placard (inside the driver's door jamb) specifies the minimum load index required. Always match or exceed this number.

04 When to Replace Your Tires

Two factors determine when tires need replacing: tread depth and age. In Ontario, both matter legally and for safety.

Tread Depth

Ontario law requires a minimum tread depth of 1.6mm (2/32") for all-season and summer tires. For winter tires, most safety organizations recommend replacing at 4/32" — this is where winter tire performance begins to degrade significantly, even though legal minimum isn't reached until 2/32".

Tire Age

Rubber degrades over time regardless of mileage. Most manufacturers and safety organizations recommend replacing tires after 6–10 years from the date of manufacture, even if tread depth appears adequate. The manufacture date is stamped on the sidewall as a 4-digit DOT code (e.g. 2423 means the 24th week of 2023). Every tire we sell at Black Tires is brand new — manufactured within the current production cycle, not aged stock sitting in a warehouse.

05 The 7°C Rule — Critical for Toronto Drivers

The 7°C threshold is the single most important concept in seasonal tire management for Canadian drivers. Here's the science behind it.

All-season tire compounds are formulated to balance performance across a broad temperature range. Below approximately 7°C, the rubber compound begins to harden — reducing its ability to conform to road surface irregularities. The result is reduced contact patch efficiency, longer braking distances, and reduced cornering grip. On packed snow or ice, the difference can be stopping distances 30–40% longer than a properly spec'd winter tire.

Winter tires use a fundamentally different rubber formulation — higher silica content, softer base compounds — that stays pliable at temperatures as low as −40°C. This isn't marketing — it's measurable physics.

For a full seasonal guide including month-by-month recommendations, see our Winter Tires Toronto guide.

06 Ontario Rules & the Insurance Discount

Are Winter Tires Mandatory in Ontario?

Unlike Quebec — which mandated winter tires for all passenger vehicles — Ontario does not legally require winter tires. The Highway Traffic Act requires vehicles to be safely equipped for conditions, but stops short of a specific winter tire mandate. This is a frequent source of confusion for drivers moving from Quebec to Ontario.

The Ontario Insurance Discount

What Ontario does mandate is that insurance providers offer a discount to policyholders who equip their vehicles with winter tires. Under Ontario Regulation 664, insurance providers must offer a discount of at least 2%, though most major providers offer 3–5%. Over a typical winter tire lifespan of 4–5 seasons, this discount can offset several hundred dollars of the initial tire cost. Contact your broker before your fall renewal to confirm the discount and required documentation.

The 3PMSF Symbol — What to Look For

When buying winter or all-weather tires in Ontario, look for the Three-Peak Mountain Snowflake (3PMSF) symbol on the sidewall — a mountain with three peaks and a snowflake inside. This marking indicates the tire has been independently tested and certified to meet minimum performance requirements in severe snow conditions. The M+S (Mud and Snow) marking does not indicate this level of winter capability and should not be confused with genuine winter certification.

07 How Wholesale Tires Work — and Why It Matters

Most Toronto drivers buy tires from one of three places: the dealership, a national chain like Canadian Tire or Costco, or an independent shop. All three are retail operations — they purchase tires from a distributor, mark them up, and sell at retail price.

A wholesale tire supplier operates differently. We purchase directly from manufacturers or certified primary distributors and sell to the public at wholesale pricing — without the retail layer. The tires are identical: same brand, same model, same manufacturer warranty. The price is not.

How Much Can You Save?

On a set of four Michelin Defender 2 tires in a common Toronto size, the difference between Canadian Tire's retail price and our wholesale quote typically runs $200–$400 per set. On a set of Pirelli P Zero, the gap can be wider. The savings compound when you factor in free GTA delivery — a value of $40–$100 that's included in every commercial order from Black Tires.

Are Wholesale Tires the Same Quality?

Yes — unequivocally. Every tire we sell comes from certified manufacturer distribution channels. They carry full manufacturer warranties. They are brand new — manufactured within the current production cycle. We do not sell used tires, refurbished tires, or aged stock. The only difference between a tire purchased from us and the same tire purchased from Canadian Tire is the price you pay.

08 Tire Brands — What We Carry and How They Compare

Choosing a tire brand involves balancing performance, longevity, and cost. Here's a straightforward overview of the brands we stock for Toronto drivers, with links to each full brand guide.

We also carry Fortune (Viento FSR702) and HIFLY (HF201) for drivers seeking the most accessible entry point — brand-new, warranted tires at budget-friendly wholesale prices. Request a quote to see pricing across all brands for your tire size.

09 Toronto & GTA Tire Delivery — Where We Serve

We deliver brand-new tires free to commercial addresses across the Greater Toronto Area. Our two Toronto locations — 45 Brisbane Road in North York and 141 Queen Street East downtown — put us at the geographic centre of the GTA for efficient delivery across every major city.

10 Delivery, Installation & Storage

Free GTA Tire Delivery

Every order of new tires from Black Tires includes free delivery to commercial addresses across Toronto and the GTA. Residential delivery options are available. We bring tires to your garage, shop, fleet yard, or office — no minimum order required.

Mobile Installation & Balancing

Our mobile installation service brings professional tire-mounting and balancing equipment to your location. All four tires are mounted, balanced, and ready to drive — without you visiting a shop or waiting in a queue. Available across the GTA. See our tire sales service page for full details.

Seasonal Tire Storage

Running two sets of tires (all-season and winter) is the optimal approach for Toronto driving — but it requires somewhere to store the off-season set. Our tire storage service picks up your seasonal tires, inspects them, labels each tire, and stores them in a controlled environment until your next changeover. Learn about tire storage →

Fleet Tire Service

For Toronto businesses with vehicles — logistics companies, delivery fleets, construction, and commercial operators — we offer bulk wholesale pricing, scheduled delivery, and mobile installation across your fleet locations. Learn about fleet tire services →

11 How to Buy Tires from Black Tires — Step by Step

Our process is designed to be simple and entirely remote — no shop visit required at any point.

12 Frequently Asked Questions