2006 Cadillac CTS: trims, real prices & how to pick yours

7 builds left the factory as a 2006 CTS, each a different combination of engine, transmission and body identified by the first eight characters of its VIN. The 3 main configurations sell for $1,995–$10,900 today.

  • 3 main configurations
  • 5,504 vehicles built
  • 32 for sale right now
  • $1,995–$10,900 typical price range

Which CTS is yours?

Enter a VIN — the 17 characters on the windshield or the title — and we’ll match it to its exact factory configuration, typical price and equipment.

Works with any VIN — a different year or model takes you straight to its own page.

Pick your CTS

What actually differs

Base configuration 1G6DP577-6 Base configuration 1G6DM57T-6 V
Engine 3.6L 6-cyl 6-cyl 6L 8-cyl
Typical price today $6,000 $5,495
For sale right now 19 12 1
Vehicles built 3,386 1,998 116
Same on every 2006 CTS
  • Fuel Gasoline
  • Body Sedan
  • Doors 4-door

What people actually pay

41 price observations · updated Aug 30, 2026
Base configuration
$6,000
$1,935 $4,258 $6,581 $8,904 $11,227
Price trend

Median down $249 over the last 12 months.

2006 CTS price history →
Cost to run

16/24 mpg city/highway. Roughly $2,450/yr on fuel at 15,000 miles.

EPA estimate for the 2006 CTS

Safety, in plain English

What 1G6DM57T-6 means

1G6 DM57T · 6
1G6
the World Manufacturer Identifier Cadillac registered — assembled in the United States
DM57T
together encode the CTS line — Sedan, 6cyl — as Cadillac filed it, these five characters are read as one block, not letter by letter
6
in position 10 — model year 2006
9, 11–17
differ on every car: check digit, plant code and the serial number
4 rare configurations — mostly fleet, export or irregular VIN patterns. Fewer than 20 known vehicles each.

Already looking at a specific CTS?

Paste its VIN — we’ll open that exact car’s page: its configuration, market position and every listing we’ve tracked.

2006 Cadillac CTS prices →