Goodyear
Assurance Rangemax
235/45R21 XL
All-Season
M+S
$259.49/tire
$345.99
Set of 4: $1037.96
🚚 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 | 235/45R21 XL Assurance Rangemax |
|---|---|
| Width | 235 mm |
| Aspect ratio | 45 |
| Rim diameter | R21 |
| Load index | 101 |
| Speed rating | H |
| Load range | XL |
| Season | All-Season |
|---|---|
| UTQG | 540 A A |
| Severe snow (3PMSF) | No |
| Run-flat | No |
About the Goodyear Assurance Rangemax
All-Season Passenger Car/SUV Touring tire.
Features
* Engineered for dependable performance in varying weather conditions* Advanced tread compound* M+S Rated
Benefits
* Delivers reliable traction on dry, wet and lightly snow-covered roads* Designed to resist wear while minimizing rolling resistance, for better fuel efficiency and longer tread life* For a quieter, more comfortable ride
Understanding the 235/45R21 XL size
In the size code 235/45R21, 235 is the section width in millimetres (about 9.3"). 45 is the aspect ratio — the sidewall height is 45% of the width, or roughly 105.8 mm. R21 means radial construction on a 21-inch wheel, giving an approximate overall diameter of 29.3".
The load index 101 means each tire supports up to 1,819 lbs — about 7,276 lbs across a full set of four. The speed symbol H certifies the tire to 130 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 Goodyear Assurance Rangemax is built for
The Goodyear Assurance Rangemax 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, CAR, SUV/CUV, Performance, Touring.
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 $259.49 per tire, a full set of four costs $1037.96. That is about 15% below the average price of the 9 tires we stock in this size.
Frequently asked questions
What does the tire size 235/45R21 mean?
235 is the section width in millimetres, 45 is the aspect ratio (sidewall height as a percentage of width, about 105.8 mm), and R21 indicates radial construction for a 21-inch wheel. Overall diameter is approximately 29.3 inches.
What are the load and speed ratings of the Goodyear Assurance Rangemax 235/45R21 XL?
Its load index of 101 allows up to 1,819 lbs per tire. Its speed rating of H is certified to 130 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 Goodyear Assurance Rangemax 235/45R21 XL tires cost?
A single tire is $259.49 and a set of four is $1037.96.
Does the Assurance Rangemax come in other sizes?
Yes — we stock 2 additional Assurance Rangemax sizes besides 235/45R21 XL. Fit only a size approved for your vehicle.
Other sizes of this model
Similar tires in 235/45R21
