2018 Cadillac ATS: trims, real prices & how to pick yours

26 builds left the factory as a 2018 ATS, each a different combination of engine, transmission and body identified by the first eight characters of its VIN. The 21 main configurations sell for $5,999–$24,998 today.

  • 21 main configurations
  • 6,611 vehicles built
  • 152 for sale right now
  • $5,999–$24,998 typical price range

Which ATS 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 ATS

What actually differs

Standard · RWD Standard · AWD Luxury · AWD Luxury · RWD
Drivetrain Rear-wheel drive All-wheel drive All-wheel drive Rear-wheel drive
Typical price today $13,995 $16,443 $16,248 $13,900
For sale right now 35 29 10 14
Vehicles built 1,724 1,236 637 596
Same on every 2018 ATS
  • Engine 2L 4-cyl
  • Fuel Gasoline
  • Body Sedan
  • Seats 5
  • Doors 4-door

What people actually pay

192 price observations · updated Aug 30, 2026
Standard · RWD
$13,995
Standard · AWD
$16,443
Luxury · RWD
$13,900
$5,819 $10,801 $15,784 $20,766 $25,748
Price trend

Median down $2,259 over the last 12 months.

2018 ATS price history →
Will it hold value?

A ATS typically keeps about 55% of its price over 5 years — a 5-year-old one runs about $8,792 today.

ATS depreciation by year →
Cost to run

22/31 mpg city/highway. Roughly $1,860/yr on fuel at 15,000 miles.

EPA estimate for the 2018 ATS

Safety, in plain English

Driver assistance — varies by configuration
  • Warns you before a crash
  • Brakes for you in an emergency (optional)
  • Watches your blind spot
  • Warns when you drift from your lane
  • Steers you back into the lane
  • Keeps distance on the highway (optional)
Decoded from NHTSA build records.

What 1G6AC5SS-J means

1G6 AC5SS · J
1G6
the World Manufacturer Identifier Cadillac registered — assembled in the United States
AC5SS
together encode the ATS line — Sedan, 3.6L 6cyl, Rear-wheel drive — as Cadillac filed it, these five characters are read as one block, not letter by letter
J
in position 10 — model year 2018
9, 11–17
differ on every car: check digit, plant code and the serial number
5 rare configurations — mostly fleet, export or irregular VIN patterns. Fewer than 20 known vehicles each.

Already looking at a specific ATS?

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

2018 Cadillac ATS prices →