Cadillac STS Insurance: by Model Year & Company

Cadillac STS insurance costs an average of $916 for a 6-month full coverage policy. Erie offers the cheapest rate for the latest Cadillac STS at $116/mo or $695 for a 6-month full coverage policy.

  • Shopping around? Use our calculator to compare average insurance rates by vehicle.
  • Know your vehicle? Get a personalized quote by entering your zip code.
STS Car Insurance

What to know about insuring a Cadillac STS:

  1. The STS costs less to insure than most sedans. Averaging $153/mo for the STS versus $203/mo for typical sedans.
  2. If you're considering a vehicle similar to the STS, like the Cadillac CT5 ($221/mo), Cadillac CT6 ($214/mo), or Cadillac Escalade ESV ($223/mo), your insurance costs will be cheaper.
  3. Erie ($116/mo), USAA ($120/mo), American Family ($132/mo) offer the cheapest full coverage rates.

The rates displayed are based on a full coverage 30-year-old male driver with no violations in 2025. Customizations to your vehicle (trim or modifications) and your driving history will impact your insurance costs. Consider these rates as a jumping off point for your search.

Compare Cadillac STS insurance costs vs other vehicles

Thinking about something different? Add vehicles to compare average rates instantly.

2011 Cadillac STS Vehicle Image
2011 Cadillac STS
Av. Cost Per Year$1,904
Av. Per Month$159

Cheapest Companies

Erie$116/m
USAA$120/m
American Family$132/m

How much does it cost to insure my Cadillac STS?

Select your model year:

2011 Cadillac STS

Cheapest Insurance Companies Average Annual Cost
Erie

$1,390

USAA

$1,440

American Family

$1,584

State Farm

$1,645

Progressive

$1,699

Nationwide

$1,929

GEICO

$1,940

Farmers

$2,132

Allstate

$2,727

Compare all 2011 Cadillac STS insurance rates.
No junk mail. No spam calls. Free quotes.
Average Cost to Insure Per Year
$1,904