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FD663

Promotion valid Jun 26, 2024 - Dec 31, 2024

Add select tires from our top brands to your cart and receive free tire replacement coverage where eligible! See itemized breakdown for the 100% off discount.

Tire replacement coverage eligible products will show coverage in the cart.

<a href="https://simpletire.com/tire-replacement-coverage">Learn More</a>

Valid for June 26 thru December 31, 2024 Add select tires from our top brands to your cart and receive free tire replacement coverage where eligible! See itemized breakdown for the 100% off discount. 
 
Tire replacement coverage eligible products will show coverage in the cart. 
 
<a href="https://simpletire.com/tire-replacement-coverage">Learn More</a>

Free Tire Replacement Coverage

Promotion valid Jul 22, 2024 - Dec 31, 2024

Save 10% when you join the SimpleCrew!

Sign-up or login to your SimpleTire account to automatically save (discount will be priced into the eligible products at their price). Note: messaging around this promo indicates that it is eligible - if you do not see messaging on a product for a SimpleCrew discount, the product is ineligible

Save 10% on eligible tires when you sign up to join the SimpleCrew

Valid for July 22 thru December 31, 2024 Save 10% when you join the SimpleCrew! 
 
Sign-up or login to your SimpleTire account to automatically save (discount will be priced into the eligible products at their price). Note: messaging around this promo indicates that it is eligible - if you do not see messaging on a product for a SimpleCrew discount, the product is ineligible

Best Rated  Tires

RM234(EM)

BD756

M726 EL

Designed for use on commercial truckers, trailers, vans, and other hauling vehicles. Commercial tires are often built for use in the drive, steer, axle, or all position in regional, line haul, urban, and pickup and delivery applications.

Vehicle

This product is not covered by a manufacturer’s treadlife warranty.

Mileage Warranty

The maximum carrying capacity for a tire determined by the manufacturer.

Load Index

Maximum speed capability to safely carry a load for an extended period of time.

Max Speed

The maximum load carrying strength at the specified inflation pressure, also known as ply rating.

Load Range

The side of the tire between the tread and rim, with cosmetic branding as well as information about the tire including manufacturer, model, size, etc.

Sidewall

Measured in 32nds of an inch, this metric shows how much tread life is left on a tire, with the tire's traction & stopping capabilities greatly diminished at 4/32nds and less. Tire manufacturers include "tire wear bars" at 2/32nds to indicate when your tire is worn out.

Tread Depth

The highest inflation pressure (measured in pounds of force per square inch, PSI) the tire is designed to contain, and should only be used when called for by the vehicle placard.

Inflation Pressure

An identifier of a particular tire line and size combination assigned by the tire manufacturer.

Part Number

Tread design (or tread pattern) can affect handling, traction & noise for different driving styles & road conditions.

Tread Design

Tire Weight

The measurement of width from a tires inner sidewall to the outer sidewall.

Section Width

The range of widths the rim of the vehicle can be for this tire to be safely mounted on.

Rim Range

The diameter of a tire that is inflated without any load applied.

Overall Diameter

Designed for short usage use in city and urban environments.

Commercial Application

Designed for drive/torque axles, the lug type or siped tread designs help maximize traction on various surfaces.

Firestone FD663 Reviews

Select a tire size
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SimpleScore™

Score breakdown:

8.8

Great

8.3

Great

8.8

Great

3 reviews

4.7

100%

Review breakdown

Scorecard

Dry

Wet

Winter

Comfort

Noise

Treadwear

2 SimpleTire reviews

Scorecard

Dry

Wet

Winter

Comfort

Noise

Treadwear

Scorecard

Dry

Wet

Winter

Comfort

Noise

Treadwear

Did you find what
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Firestone FD663 Reviews

SimpleScore™

Score breakdown:

8.8

Great

8.3

Great

8.8

Great

3 reviews

4.7

100%

Review breakdown

Scorecard

Dry

Wet

Winter

Comfort

Noise

Treadwear

2 SimpleTire reviews

Did you find what you were looking for?

Did you find what
you were looking for?