Find 2008 Cadillac STS Tires

Get Tires for Your Cadillac STS

Let's get you rolling on new tires. Shop online and scheduled an installation appointment today. All tire discounts and coupons are automatically applied online!

2008 Cadillac STS Tires Sizes, Speed Ratings, and Inflation

Not sure about your Cadillac STS tire size? Use the following chart to find information on tire size, speed rating, and inflation.

Trim Level Tire Size Speed Rating Inflation in PSI F/R
2008 Cadillac STS Base* Shop P255/45ZR18 W PSI/30 PSI
2008 Cadillac STS Base* Shop P235/50R17 S 30 PSI/30 PSI
2008 Cadillac STS Base* Shop P235/50ZR18 W 30 PSI/ PSI
2008 Cadillac STS Base* Shop 255/45ZR18 Y 30 PSI/30 PSI
2008 Cadillac STS Base* Shop P235/50ZR18 W 30 PSI/ PSI
2008 Cadillac STS Base* Shop P255/45ZR18 W PSI/30 PSI
2008 Cadillac STS Base* Shop P235/50R17 V 30 PSI/30 PSI
2008 Cadillac STS Platinum* Shop P255/45ZR18 W PSI/30 PSI
2008 Cadillac STS Platinum* Shop P235/50ZR18 W 30 PSI/ PSI
2008 Cadillac STS V* Shop P255/45R18 Y 30 PSI/ PSI
2008 Cadillac STS V* Shop P275/40R19 Y PSI/32 PSI

2008 Cadillac STS Base*

- Size: Shop P255/45ZR18

- Speed Rating: W

- Inflation F/R: PSI/30 PSI

2008 Cadillac STS Base*

- Size: Shop P235/50R17

- Speed Rating: S

- Inflation F/R: 30 PSI/30 PSI

2008 Cadillac STS Base*

- Size: Shop P235/50ZR18

- Speed Rating: W

- Inflation F/R: 30 PSI/ PSI

2008 Cadillac STS Base*

- Size: Shop 255/45ZR18

- Speed Rating: Y

- Inflation F/R: 30 PSI/30 PSI

2008 Cadillac STS Base*

- Size: Shop P235/50ZR18

- Speed Rating: W

- Inflation F/R: 30 PSI/ PSI

2008 Cadillac STS Base*

- Size: Shop P255/45ZR18

- Speed Rating: W

- Inflation F/R: PSI/30 PSI

2008 Cadillac STS Base*

- Size: Shop P235/50R17

- Speed Rating: V

- Inflation F/R: 30 PSI/30 PSI

2008 Cadillac STS Platinum*

- Size: Shop P255/45ZR18

- Speed Rating: W

- Inflation F/R: PSI/30 PSI

2008 Cadillac STS Platinum*

- Size: Shop P235/50ZR18

- Speed Rating: W

- Inflation F/R: 30 PSI/ PSI

2008 Cadillac STS V*

- Size: Shop P255/45R18

- Speed Rating: Y

- Inflation F/R: 30 PSI/ PSI

2008 Cadillac STS V*

- Size: Shop P275/40R19

- Speed Rating: Y

- Inflation F/R: PSI/32 PSI

* Note: these models have different tire sizes depending on vehicle options.

Recommended Tires for Your 2008 Cadillac STS

What tires are best for a 2008 Cadillac STS? The following tire brands and types are a great fit for your Cadillac STS.

Bridgestone Blizzak WS90
Blizzak WS90

  • No warranty
  • Winter
  • Winter
Bridgestone DriveGuard
DriveGuard

  • Platinum Pact Limited Warranty
  • All-Season
  • Performance
Firestone Firehawk AS
Firehawk AS

  • Gold Pledge Limited Warranty
  • All-Season
  • Performance
Firestone Firehawk Indy 500
Firehawk Indy 500

  • Gold Pledge Limited Warranty
  • Summer
  • Performance
Primewell PS890 Touring
PS890 Touring

  • No warranty
  • All-Season
  • Passenger Tires
Bridgestone Potenza RE980AS
Potenza RE980AS

  • Platinum Pact Limited Warranty
  • All-Season
  • Performance
Bridgestone Turanza QUIETTRACK
Turanza QUIETTRACK

  • No warranty
  • All-Season
  • Performance
Primewell Valera Sport AS
Valera Sport AS

  • No warranty
  • All-Season
  • Performance

Affordable 2008 Cadillac STS Tires

Shopping for tires can be overwhelming, but not when you're equipped with the right information. That's one reason it's a good idea to visit us when you're ready to buy new  2008 Cadillac STS tires. Firestone Complete Auto Care is your one-stop shop for  Cadillac STS tires for winter, spring, summer, and fall. Whether you want a tire that's built to improve fuel economy, take tight corners, or handle off-road terrain, you'll find affordable tires that get the job done.

View the recommended tires for your 2008 Cadillac STS, plus helpful information about Cadillac STS tire size, speed rating, and tire pressure. Your vehicle can't drive correctly without the correct tires. As one of our tire technicians, Brianna, explains, "You want to find the correct size for your tire. It matters in alignments and keeping your vehicle driving the way it’s supposed to.”

Beyond the correct tire size, you also want to think about a couple of other things when getting new Cadillac STS tires like which tire brands you like most and where you drive. If you live in south Texas, you probably won't need studded snow tires anytime soon. In Colorado, though, there's a good chance you'll want Cadillac STS snow tires for a good portion of the year, and maybe even all-season tires for year-round comfort and versatility.

When evaluating your driving conditions, think about where you live (countryside vs. city vs. mountains) and the kind of unexpected weather you're likely to experience. Drivers in states that fully experience all four seasons often buy two sets of tires: one for summer and one for winter. It's a smart way to capitalize on Cadillac STS's performance and safety throughout the year. Other drivers buy one set of all-season tires instead. That way they don't have to return to the tire shop and their vehicle is always ready for sun, rain, and light snow!

Driving style is next on the list to think about when buying tires. Do you enjoy challenging the limits of your Cadillac STS? Adventuring where other vehicles can't? If you're a big off-roading fan you forges paths where others can't, you have very different needs than a long-distance commuter who sticks to the highway. You'll want a tire that can handle gravel, sand, stone, and dirt. You might want to look at bigger tires with stiffer sidewalls and wider tread patterns to help protect against punctures and maintain balance on bumpy roads. But if you mostly drive around the city, a Cadillac STS tire that offers comfort, stability, and a quiet ride could be just what you need. Visit your local Firestone Complete Auto Care for help selecting the tire that's right for you, or get started by browsing tires that fit your vehicle. You're only a few clicks away from finding the right 2008 Cadillac STS tire for your needs.

Good Tire Brands for Cadillac STSs

You have many great options for Cadillac STS tire brands when you visit Firestone Complete Auto Care. Two of them are Firestone and Bridgestone. Cadillac STS Firestone tires are tires you can count on. The Firestone Tire & Rubber Company was founded in 1900 in Akron, Ohio by Harvey Firestone. He was a passionate inventor from the start. Firestone saw a future in automobile tires, so he started making and testing truck, passenger, and farm tires. The company can be credited for introducing the first all-rubber, non-skid tire in 1908! Firestone Tires has been passionate about leading the industry since day one, thanks to Harvey Firestone's industrious spirit. Today, Firestone is one of the largest tire manufacturers in the world. They make 8,000 different tires for all sorts of vehicles — including 2008 Cadillac STSs.

You can't go wrong with Bridgestone for Cadillac STS tires, too. Bridgestone Tire Company Ltd. was founded by Shojiro Ishibashi in Japan in 1931 and merged with The Firestone Tire & Rubber Company in 1990. Bridgestone Tires now has more than 50 production facilities and 55,000 employees throughout the Americas! The company remains an international leader in tire and rubber technology, providing world-class service, tires, and more to communities worldwide. As Shojiro Ishibashi said, Bridgestone is dedicated worldwide to "serve society with superior quality." That means you can buy superior quality Bridgestone tires for a 2008 Cadillac STS and drive with peace of mind!

Installing Cadillac STS Tires

We sell tires, but we also service them and care for all the around-the-wheel components. We're your one-stop shop for tire installation, rotation, and ongoing maintenance! We make it easy to buy new 2008 Cadillac STS tires online and book an installation appointment at the same time. Many stores are open on Saturday and Sunday for your convenience.

2008 Cadillac STS Tire Questions

Inspecting and caring for your tires is one of the best ways to help them last. Get answers to common Cadillac STS tire questions and learn how to care for new tires.

  • Why check Cadillac tire inflation? A small decrease in tire pressure can have a big impact on your driving. Maintaining proper tire pressure can help improve braking time, increase fuel economy, and boost tire lifespan.
  • What do the tire sidewall numbers mean for my Cadillac STS? The numbers on your tire sidewall give you information about tire speed rating, traction, treadwear, tire size, and load carrying capacity. Chat with a tire technician to learn how to read the numbers on your Cadillac tires!
  • How do I check the tread depth on my Cadillac tires? Grab a penny. Hold the so that Abe Lincon's head is facing you and his hair is pointing toward the ground. Then, place the penny into a tread groove. If you can see the top of Abe’s head, your tread is shallow and it might be time for new Cadillac STS tires.