Primacy A/S
🚚 Standard shipping across the country — delivered with DHL in 2-6 business days. 🔒 SSL-secured checkout.
↩️ Free returns within 30 days — unmounted tires, prepaid label, no return shipping cost.
Specifications
| Size | 285/40R23 XL Primacy A/S |
|---|---|
| Width | 285 mm |
| Aspect ratio | 40 |
| Rim diameter | R23 |
| Load index | 111 |
| Speed rating | Y |
| Load range | XL |
| Season | All-Season |
|---|---|
| UTQG | 540 A A |
| Treadwear warranty | 45,000 miles |
| Tread depth | 8.5/32" |
| Weight | 42.77 lbs |
| Max pressure | 50 psi |
| Severe snow (3PMSF) | No |
| Run-flat | No |
About the Michelin Primacy A/S
All-Season High Performance/Ultra High Performance Passenger Car tire.
Features
* Circumferential grooves* Zig-zag sipes* M+S Rated* 55,000 Mile/90,000 km Manufacturer's Treadwear Limited Warranty (V/H/T-Rated)* 45,000 Mile/75,000 km Manufacturer's Treadwear Limited Warranty (W/Y-Rated)* Mileage Warranty Exceptions - Split Fitments and ZP (Zero Pressure) tires - the maximum Mileage Warranty for ZP tires is 30,000 miles/50,000 kms* Standard Manufacturer's Limited Warranty
Benefits
* Help to evacuate water from the tire's footprint and reduce the risk of hydroplaning* Provide excellent grip and enhanced traction on wet or light snow covered roads
Understanding the 285/40R23 XL size
In the size code 285/40R23, 285 is the section width in millimetres (about 11.2"). 40 is the aspect ratio — the sidewall height is 40% of the width, or roughly 114 mm. R23 means radial construction on a 23-inch wheel, giving an approximate overall diameter of 32".
The load index 111 means each tire supports up to 2,403 lbs — about 9,612 lbs across a full set of four. The speed symbol Y certifies the tire to 186 mph under its rated load. Always match or exceed the load index and speed rating listed on your vehicle's door-jamb placard.
What the Michelin Primacy A/S is built for
The Michelin Primacy A/S is an all-season tire, balancing dry grip, wet traction and tread life across spring, summer and autumn conditions. It carries an M+S (mud and snow) marking for light winter service. Fitment category: Passenger Car, Performance, UHP.
Tread life and grip ratings
This tire carries a UTQG rating of 540 A A. The treadwear grade of 540 is a relative durability score — a grade of 200 is expected to last roughly twice as long as a grade of 100 under the same controlled test. Traction grade A measures straight-line wet stopping grip (AA is highest, then A, B and C). Temperature grade A reflects heat resistance at sustained speed (A is highest).
Price and value
At $320.24 per tire, a full set of four costs $1280.96. That is about 29% below the average price of the 12 tires we stock in this size. Backed by a 45,000-mile treadwear warranty, that works out to roughly $28.47 per 1,000 miles across the set.
Frequently asked questions
What does the tire size 285/40R23 mean?
285 is the section width in millimetres, 40 is the aspect ratio (sidewall height as a percentage of width, about 114 mm), and R23 indicates radial construction for a 23-inch wheel. Overall diameter is approximately 32 inches.
What are the load and speed ratings of the Michelin Primacy A/S 285/40R23 XL?
Its load index of 111 allows up to 2,403 lbs per tire. Its speed rating of Y is certified to 186 mph. Check your door-jamb placard and do not fit a tire rated below the vehicle's requirement.
How much does a set of 4 Michelin Primacy A/S 285/40R23 XL tires cost?
A single tire is $320.24 and a set of four is $1280.96, covered by a 45,000-mile treadwear warranty.
Does the Primacy A/S come in other sizes?
Yes — we stock 31 additional Primacy A/S sizes besides 285/40R23 XL. Fit only a size approved for your vehicle.