Detailed specifications
On this page you’ll find the full specifications table for this 225/40R18 Firestone Firehawk Indy 500 – Performance Summer tire. This includes manufacturer and listing details (when available) like construction, load and speed rating, certifications (3PMS / studdable / run-flat / XL), and any published ratings such as UTQG (when provided).
Quick Specs
- Size: 225/40R18
- Brand/Model: Firestone Firehawk Indy 500 – Performance
- Season: Summer
- Certifications: XL (Extra Load)
- Shipping: Free shipping • 1–3 business days (Ontario and Quebec)
225/40R18 Firestone Firehawk Indy 500 – Performance Summer
Category: Summer – Ultra High Performance
Take corners with confidence on Firestone's ultimate in sport performance tire. Inspired by their racing heritage the Firehawk Indy 500 tread design features a proprietary groove channel that dramatically improves handling and braking on wet roads. The Firehawk Indy 500 also has wide shoulders that increase stiffness for dynamic cornering and extreme performance and fun. Read Reviews
XL (Extra Load) rating indicated.
How this tire is positioned
225/40R18 Firestone Firehawk Indy 500 – Performance is positioned as a summer / summer – ultra high performance tire built around a 225 mm section width and 18-inch wheel fitment.
In practical terms, this size combines a 40-series sidewall of about 90 mm with a 18-inch wheel diameter, which is useful when matching an existing tire size and wheel setup.
Feature-wise, this listing indicates an XL extra-load rating, UTQG 340 A A when provided by the manufacturer.
About the 225/40R18 tire size
The 225/40R18 size breaks down like this:
- 225 = tire width in millimetres
- 40 = sidewall height as a percentage of width (approx. 90 mm)
- R18 = fits an 18-inch wheel
If you’re matching an existing set, confirm the full size on your sidewall before ordering.
Key features on this Firestone Firehawk Indy 500 – Performance in 225/40R18
Highlights based on the details available for this tire:
- XL (Extra Load) rating indicated.
- UTQG: 340 A A (when provided by manufacturer).
- Size: 225/40R18 (fits an 18-inch wheel).
- Season category: Summer.
FAQ: 225/40R18 Firestone Firehawk Indy 500 – Performance Summer
What does 225/40R18 mean on a tire?
It indicates the tire’s width (225 mm), sidewall ratio (40%), and wheel diameter (R18).
Is this a Summer tire?
Yes — this tire is categorized as Summer.
Is this tire 3PMS rated?
This listing does not specify 3PMS for this tire.
Is this tire studdable?
This listing does not specify whether this tire is studdable. Check local rules before installing studs.
Does it support run-flat driving?
No — this tire is not listed as run-flat.
Is this tire XL (extra load)?
Yes — this tire is listed as XL (extra load).
How long does delivery take in Ontario and Quebec?
Free shipping • 1–3 business days (Ontario and Quebec)