Additional information
| Season | |
|---|---|
| width | |
| profile | |
| diameter | |
| Load Index | |
| Speed Index | |
| Brand | |
| Vehicle Type | Passenger |
| Sidewall | Black Sidewall |
| Warranty | 80000 |
| Min Wheel Width | 8 |
| Max Wheel Width | 9.5 |
| Tread Depth | 10 |
| uTQG | 500 AA A |
| XL | XL |
255/45R20 Bridgestone Potenza Sport A/S
$347.00
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255/40R18
255/40R19
255/50R20
255/55R20
265/40R22
255/45R20 Bridgestone Potenza Sport A/S – All Season Performance
In stock
Full specifications
Everything you need to know about the 255/45R20 Bridgestone Potenza Sport A/S – All Season Performance All Season is on this page — what the size means, load and speed ratings, certifications like 3PMS and XL, which vehicles it fit, and how we ship to Ontario and Quebec.
Is the 255/45R20 Bridgestone Potenza Sport A/S – All Season Performance right for you?
255/45R20 Bridgestone Potenza Sport A/S – All Season Performance is a all season / all season – ultra high performance / passenger fitment tire, with Ontario and Quebec delivery details on this page.
Free shipping • 1–3 business days (Ontario and Quebec)In stockOntario & Quebec focusedFull specs, fitment, and FAQ on page
A good fit if you
- Everyday driving in moderate conditions — commuting, highway, light rain, mild temperatures.
- Drivers who already run a dedicated winter set for Quebec’s cold months.
- Factory fitments or vehicles that specifically require XL-rated tires.
Think twice if you need
- Quebec winter compliance — a standard all-season without the 3PMS symbol doesn’t satisfy the December to March mandate.
| Buying option | What to compare |
|---|---|
| Lowest sticker price | Check the shipping cost, stock status, and delivery timeline — the final landed price may look different at checkout. |
| XYZTires | Transparent Ontario and Quebec delivery details, fitment context, and product-specific FAQ on every page. |
Quick Specs
- Size: 255/45R20
- Brand / Model: Bridgestone Potenza Sport A/S – All Season Performance
- Season: All Season
- Vehicle Type: Passenger
- Load / Speed: 105Y (Load index 105 supports up to 925 kg per tire; speed rating Y rated up to 300 km/h)
- Certifications: XL (Extra Load)
- Delivery (Ontario & Quebec): Free shipping • 1–3 business days (Ontario and Quebec)
255/45R20 Bridgestone Potenza Sport A/S – All Season Performance
Category: All Season – Ultra High Performance
The Bridgestone Potenza Sport AS is an ultra-high performance all-season tire designed for drivers who demand peak performance year-round. Crafted with Bridgestone's cutting-edge technology, this tire offers unparalleled grip and stability on both wet and dry surfaces which ensures a dynamic and secure driving experience regardless of the weather. The Potenza Sport AS features an advanced tread pattern that maximizes road contact and a specialized rubber compound that maintains flexibility across temperatures. This combination delivers precise handling and improved braking performance, making it an ideal choice for sports car enthusiasts and those seeking a tire that performs without compromise. It also has a 80,000km tread life warranty for all sizes.
XL (Extra Load) — built to handle higher inflation pressures and heavier loads than a standard-load tire of the same size.
What these tire specs mean
- Load index 105 means each tire can carry up to 925 kg. Check your door jamb placard — the tire needs to meet or beat the load rating your manufacturer specifies.
- Speed rating Y is the maximum sustained speed this tire is designed to handle under proper conditions. That works out to 300 km/h under correct load and inflation — not a target, just the rated ceiling.
- UTQG 500 AA A is a manufacturer-assigned grade for treadwear, traction, and temperature performance. Useful for comparing within the same brand — but it’s not a mileage guarantee, and ratings aren’t standardized across manufacturers.
- All Season tires handle mild year-round conditions well, but they’re not winter tires. In Quebec, a standard all-season doesn’t satisfy the mandatory winter tire requirement unless it specifically carries the 3PMS symbol.
- XL means Extra Load. These tires run at higher inflation pressures and handle more weight than a standard-load tire of the same size. If your vehicle’s factory spec calls for XL, that’s what you need — swapping to standard load can affect ride, handling, and safety.
- Vehicle type indicates the service category this tire is built for — passenger car, light truck, commercial, or other. Matching the right category matters for load capacity, handling, and safety.
- Warranty coverage is backed by the manufacturer and applies under normal use — regular rotations, correct inflation, and proper alignment. Keep maintenance records if you ever need to make a claim.
Where this tire fits in
The 255/45R20 Bridgestone Potenza Sport A/S – All Season Performance is a all season / all season – ultra high performance tire, built around a 255 mm section width for a 20-inch wheel.
In practical terms, this size gives you a 45-series sidewall of about 115 mm paired with a 20-inch wheel diameter — confirm this against your current tire’s sidewall marking before ordering.
Worth noting on the spec side: this tire carries an XL extra load rating, load index 105 and speed rating Y (~300 km/h), UTQG 500 AA A when provided by the manufacturer.
About the 255/45R20 tire size
The 255/45R20 breaks down into three numbers:
- 255 — tread width in millimetres, measured across the contact patch
- 45 — sidewall height as a percentage of the tread width (roughly 115 mm of rubber between road and rim)
- R20 — radial construction, for a 20-inch wheel
The 255/45R20 size is commonly found on luxury sedans and performance vehicles. Replacing a set? The full size marking is on your current tire’s sidewall — confirm width, profile, and rim diameter all match before you order.
What stands out — Bridgestone Potenza Sport A/S – All Season Performance 255/45R20
- XL (Extra Load) rated — handles higher inflation pressures and heavier loads than a standard-load equivalent.
- UTQG 500 AA A — manufacturer-assigned treadwear, traction, and temperature grades. Useful for comparing within the same brand, but not a mileage guarantee.
- Service description 105Y: load index 105 means each tire carries up to 925 kg, speed rating Y is rated to 300 km/h.
- 255/45R20 mounts on a 20-inch wheel.
Quebec winter tire mandate — all-season note
Quebec mandates winter tires from December 1 to March 15. The 255/45R20 Bridgestone Potenza Sport A/S – All Season Performance is an all season tire — and without the 3PMS symbol, a standard all-season does not satisfy Quebec’s mandatory winter tire rule. If you drive in Quebec between December and March, a dedicated winter or all-weather tire is the right call. requirement unless they carry the 3PMS symbol. Consider a dedicated winter or all weather tire for Quebec driving.
Warranty
- Warranty: 80000
- Coverage is backed by Bridgestone and applies under normal use conditions — regular rotation, correct inflation, and proper alignment. Keep your maintenance records; you’ll want them if you ever need to make a claim. Contact us or Bridgestone directly for exclusion details and claim procedures.
Vehicles that fit 255/45R20 tires
Based on our fitment database, this size is used on:
- 2024 BMW 750e
- 2023–2024 BMW 740i
- 2023–2024 BMW 760i
- 2023–2024 BMW i7
- 2023–2024 Genesis GV60
- 2023–2024 Lexus RZ
- 2023–2024 Maserati Grecale
- 2023–2024 Mercedes-Benz EQE350
- 2023–2024 Mercedes-Benz EQE500
- 2023–2024 Mercedes-Benz EQS580
More vehicles that fit this size
- 2023–2024 Nissan Ariya
- 2022–2024 Audi Q4 e-tron
- 2022–2024 Hyundai Ioniq 5
- 2022–2024 Infiniti QX55
- 2022–2024 Kia EV6
- 2022–2024 Mercedes-Benz EQS450
- 2022–2024 Mitsubishi Outlander
- 2021–2024 Hyundai Santa Fe
- 2021–2024 Kia Sorento
- 2021–2024 Volkswagen ID.4
Find the right tires for your vehicle
Pick your year, make, model, and trim — we’ll show you everything we carry that fits, with Ontario and Quebec delivery details:
More tires — Ontario & Quebec delivery
Common questions — 255/45R20 Bridgestone Potenza Sport A/S – All Season Performance All Season
What does the 255/45R20 tire size mean?
Break it down and 255/45R20 tells you three things: the tread is 255 mm wide, the sidewall stands at 45% of that — about 115 mm of rubber between road and rim — and it fits a 20-inch wheel. You’ll find this size most often on luxury sedans and performance vehicles.
Is the 255/45R20 Bridgestone Potenza Sport A/S – All Season Performance an All Season tire?
Yes — the 255/45R20 Bridgestone Potenza Sport A/S – All Season Performance is categorized as an All Season tire. Standard all-season tires handle mild year-round conditions but don’t meet Quebec’s mandatory winter tire requirement on their own. If you drive in Quebec between December and March, look at a dedicated winter or all-weather tire that carries the 3PMS symbol.
What does the 105Y rating mean on the 255/45R20 Bridgestone Potenza Sport A/S – All Season Performance?
The 105Y on the Bridgestone Potenza Sport A/S – All Season Performance breaks into two numbers: load index 105, meaning each tire carries up to 925 kg, rated to approximately 300 km/h; and speed rating Y, rated to 300 km/h under proper load and inflation. Your door jamb placard lists the minimum ratings your vehicle requires — match or exceed both.
Is the 255/45R20 Bridgestone Potenza Sport A/S – All Season Performance 3PMS rated?
No — the Bridgestone Potenza Sport A/S – All Season Performance doesn’t carry the 3PMS symbol. If Quebec winter compliance or severe snow traction is a priority, you’d want a tire that does.
Is the 255/45R20 Bridgestone Potenza Sport A/S – All Season Performance studdable?
Studdable status is not confirmed for this tire. Reach out and we’ll check the manufacturer specs for you.
Does the 255/45R20 Bridgestone Potenza Sport A/S – All Season Performance support run flat driving?
No — the Bridgestone Potenza Sport A/S – All Season Performance is a standard tire, not a run flat. If your vehicle came equipped with run flats, your replacement set needs to be run flat-capable too.
Is the 255/45R20 Bridgestone Potenza Sport A/S – All Season Performance an XL (extra load) tire?
Yes — the Bridgestone Potenza Sport A/S – All Season Performance is XL rated. It’s designed for higher inflation pressures and greater load capacity than a standard-load tire of the same size. If your current tires are XL, your replacement should be too.
What does speed rating Y mean on the 255/45R20 Bridgestone Potenza Sport A/S – All Season Performance?
Speed rating Y on the Bridgestone Potenza Sport A/S – All Season Performance corresponds to a maximum sustained speed of 300 km/h under proper load and inflation. In practice, this tells you the performance category the tire is built for — not a number to chase on public roads.
Can I order the 255/45R20 Bridgestone Potenza Sport A/S – All Season Performance with delivery to Ontario or Quebec?
Yes — we ship the 255/45R20 Bridgestone Potenza Sport A/S – All Season Performance across Ontario and Quebec. Free shipping • 1–3 business days (Ontario and Quebec).
Why buy the 255/45R20 Bridgestone Potenza Sport A/S – All Season Performance from XYZTires if another tire looks cheaper?
A lower sticker price is worth comparing, but the full picture includes shipping cost, delivery timeline, whether it’s actually in stock, and whether the tire category is right for how you drive. We focus on making those details clear upfront — so you can compare real delivered value, not just the first number you see.
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