# Cadillac STS (Sigma II) Market Intelligence

> Live inventory, active auctions, and real-time pricing analysis for the Cadillac STS (Sigma II).

### Overview
- **Make:** Cadillac
- **Model:** STS
- **Generation:** Sigma II
- **Production Years:** 2008–2011
- **Canonical Market URL:** https://www.garagescout.ai/markets/cadillac/sts/sigma-ii
- **Data as of:** June 9, 2026 (latest listing update or sale; 2026-06-09T20:11:43.000Z)
- **Source Coverage:** Curated across Bring a Trailer, PCARMARKET, Cars & Bids, and vetted specialist dealers.

## Trailing 12-Month (TTM) Market Performance
- **Active Live Inventory:** 0 verified cars available
- **Active Live Auctions:** 0 live auctions with open bidding
- **12-Month Confirmed Benchmark Sales:** 2 completed transactions

## Sales Ledger Preview
Showing the 2 most recent of 2 recorded sales (last 12 months).

| Date | Vehicle / Spec | Gearbox | Mileage | Sold Price | Marketplace |
|---|---|---|---|---|---|
| Jun 9, 2026 | Variant not identified | Automatic | 52,000 mi | $7,601 | Bring a Trailer |
| Mar 17, 2026 | Variant not identified | Automatic | 134,839 mi | $5,225 | Mecum |

## Market Memory (Last 12 Months)
- **Benchmark Sales:** 2 completed transactions
- **Earlier Sales on Record:** 3 since 2024

## Frequently Asked Questions

### What is the current market price of a Cadillac STS (Sigma II)?

Price depends on the variant; no variant has 3 or more recorded sales in the trailing 12 months yet.

### How many Cadillac STS (Sigma II) examples are currently for sale?

As of June 9, 2026, there are no verified Cadillac STS (Sigma II) examples actively listed across monitored specialist dealers or auctions. Enthusiasts can start a GarageScout Hunt to be alerted the moment a matching example hits the market.

### How many Cadillac STS (Sigma II) cars sold in the last 12 months?

GarageScout recorded 2 sales of the Cadillac STS (Sigma II) in the trailing 12 months, counting confirmed sales only. Restomods, gearbox conversions and sales priced like deposits or placeholders are left out.

### Where does GarageScout's Cadillac STS (Sigma II) market data come from?

GarageScout's Cadillac STS (Sigma II) figures come from the listings and sales it has recorded on Mecum and Bring a Trailer. Repeat sales of one car matched by VIN count once, and a median sale price is stated only where 3 or more sales in the trailing 12 months back it.

## Related Markets

- **Generations:** [Sigma](https://www.garagescout.ai/markets/cadillac/sts/sigma)
- **Sigma II variants:** [STS-V](https://www.garagescout.ai/markets/cadillac/sts/sigma-ii/sts-v)
- **Model:** [All Cadillac STS markets](https://www.garagescout.ai/markets/cadillac/sts)
- **Make:** [All Cadillac markets](https://www.garagescout.ai/markets/cadillac)

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*Data synthesized by GarageScout Market Intelligence. Preserving vehicle market memory across enthusiast auctions, specialist dealers, and private sales.*