Bridgestone Alenza Prestige 275/45R21 XL Alenza Prestige
Bridgestone

Alenza Prestige

275/45R21 XL
🏷️ Manufacturer rebate available: Bridgestone Get $80 Back
$294.74/tire $392.99
Set of 4: $1178.96
Minimum order: 4 tires (sizes can be mixed) ? Selling in sets of 4 is how we keep our prices this low — and a matching set keeps your car balanced and safe.
Most drivers replace all four for even wear and handling.
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Specifications

Size275/45R21 XL Alenza Prestige
Width275 mm
Aspect ratio45
Rim diameterR21
Load index110
Speed ratingW
Load rangeXL
UTQG700 A A
Treadwear warranty60,000 miles
Tread depth11/32"
Weight38.1 lbs
Max pressure50 psi
Severe snow (3PMSF)No
Run-flatNo

About the Bridgestone Alenza Prestige

All-Season Highway-Terrain Passenger Light Truck, SUV and CUV tire.

Features

* Advanced tread compound* Peaklife™ polymer* Wide center rib* Quiettrack™ technology* Enliten™ technology* M+S Rated* 60,000 Mile/100,000 km Treadwear Limited Warranty (W-Rated)* 70,000 Mile/110,000 km Treadwear Limited Warranty (H, V, S, T-Rated)

Benefits

* Engineered to deliver enhanced wet performance* Engineered to resist irregular and premature wear for consistent performance* Minimizes road vibration for exceptional comfort* Helps provide a quiet, more enjoyable ride* Delivers a remarkable balance of performance and sustainability elements

Understanding the 275/45R21 XL size

In the size code 275/45R21, 275 is the section width in millimetres (about 10.8"). 45 is the aspect ratio — the sidewall height is 45% of the width, or roughly 123.8 mm. R21 means radial construction on a 21-inch wheel, giving an approximate overall diameter of 30.7".

The load index 110 means each tire supports up to 2,337 lbs — about 9,348 lbs across a full set of four. The speed symbol W certifies the tire to 168 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 Bridgestone Alenza Prestige is built for

Fitment category: Undefined.

Tread life and grip ratings

This tire carries a UTQG rating of 700 A A. The treadwear grade of 700 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 $294.74 per tire, a full set of four costs $1178.96. That sits close to the average for the 73 tires we stock in this size. Backed by a 60,000-mile treadwear warranty, that works out to roughly $19.65 per 1,000 miles across the set.

Frequently asked questions

What does the tire size 275/45R21 mean?

275 is the section width in millimetres, 45 is the aspect ratio (sidewall height as a percentage of width, about 123.8 mm), and R21 indicates radial construction for a 21-inch wheel. Overall diameter is approximately 30.7 inches.

What are the load and speed ratings of the Bridgestone Alenza Prestige 275/45R21 XL?

Its load index of 110 allows up to 2,337 lbs per tire. Its speed rating of W is certified to 168 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 Bridgestone Alenza Prestige 275/45R21 XL tires cost?

A single tire is $294.74 and a set of four is $1178.96, covered by a 60,000-mile treadwear warranty.

Does the Alenza Prestige come in other sizes?

Yes — we stock 46 additional Alenza Prestige sizes besides 275/45R21 XL. Fit only a size approved for your vehicle.

Other sizes of this model

Similar tires in 275/45R21