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Bridgestone Potenza RE040 Tire 245 /40 R18 93Z SL BSW TM RF



Model #149940

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The Bridgestone Potenza RE40 Run Flat tire gives your sports car a wide array of benefits. This tire offers great summer grip, thanks to a tread compound formulated for excellent dry traction and dependable wet traction. In wet conditions, the tire reduces the risk of hydroplaning through circumferential grooves that evacuate water from the tread. For great performance, the tires wide shoulder blocks provide confident handling during maneuvers. And thanks to Bridgestones run flat technology that allows you to temporarily drive on a flat tire, the tire provides an important security feature. Choose the Bridgestone Potenza RE40 run flat performance tire for your sports car today.


  • Wheel Diameter: 18
  • Aspect Ratio: 40
  • Section Width (Cross Section): 245
  • Overall Diameter: 26
  • Rim Width Range: 8.0-10.0
  • Weight: 30
  • Tread Depth: 10
  • Tread Grade: 140
  • Traction Grade: A
  • Load Index: 93
  • Max PSI: 36
  • Speed Rating (up to X mph): 149 mph and over
  • Temperature Grade: A
  • Vendor Product Number / MPN: 149940

Other Part Numbers:
Bridgestone #25101

Proposition 65

/!\ warningWARNING: Cancer and Reproductive Harm

Bridgestone Corporation purchased Firestone in 1974 for $2.6 billion, transforming the companies combined operations into the worlds largest tire and rubber company. The operations in the Americas were renamed Bridgestone/Firestone, Inc. and became the largest subsidiary of Bridgestone. As part of its integration with Bridgestones existing U.S. operations, Bridgestone/Firestone moved its headquarters from Akron to Nashville in 1992.

We offer many warranties to protect a driver's investment in new tires with Bridgestone. A summary of one such warranty, and what coverage it offers, is below.

The following warranty is for tires sold as replacements only. All limited warranties are limited to original purchaser on originally installed vehicle. They do not apply to tires sold as original equipment on new vehicles or select replacement tires. Certain limitations and restrictions apply. See your authorized Bridgestone retailer, or the full Tire Maintenance, Safety and Warranty Manual for details.


U.S. & Canada – Original proof of purchase required to take advantage of the Buy & Try, 90--Day Guarantee. Applies only to the purchase of a set of four or more tires. Tires must be returned to the original dealer within 90-DAYs of purchase. Buy & Try, 90--Day Guarantee does not apply to tires supplied as original equipment on new vehicles. Does not cover damage due to road hazard, collision or other specified types of damage.