Real price data
What should you pay for a 2018 Cadillac CTS?
Original MSRP
$59,780
When new
Fair market price
$17,063
Mileage-adjusted
Below MSRP
$42,717
A fair used price
Where prices land
25th $17,063 · 75th $17,063 · MSRP $59,780
Spread of current 2018 Cadillac CTS listings · 25th–75th percentile marked.
Negotiating leverage
30
out of 100
moderate leverage
~45 days of national supply — moderate negotiating leverage.
Ridekick's negotiating-leverage score blends national Market Day Supply with how far listings sit above the mileage-adjusted fair price. Higher means more room to negotiate.
Market demand & negotiating leverage
45days of supply
Balanced marketSupply and demand are roughly balanced for the 2018 Cadillac CTS.
National Market Day Supply — how long it would take to sell the current used 2018 Cadillac CTS inventory at the recent sales rate (lower means it sells faster). Source: MarketCheck.
Estimated dealer cost (invoice)
$54,998–$57,389
Estimated dealer invoice — about $59,780 MSRP minus a typical 4–8% manufacturer margin.
An estimate, not a sourced figure. Actual dealer invoice varies with manufacturer incentives, holdback, and regional pricing.
Fair price by trim
| Trim | Fair price | MSRP | Est. dealer cost |
|---|---|---|---|
| luxury | — | $59,780 | $54,998–$57,389 |
Out-the-door price by state
Out-the-door for a 2018 Cadillac CTS runs about $17,374 in MT to $19,220 in NJ — fair price plus state tax, title, registration, and a typical dealer doc fee.
| State | Sales/use tax | Doc + title + reg | Out-the-door |
|---|---|---|---|
| CA | $1,237 | $110+ | $18,410 |
| TX | $1,066 | $332 | $18,461 |
| FL | $1,024 | $1,074+ | $19,161 |
| NY | $683 | $371 | $18,117 |
| PA | $1,024 | $587 | $18,674 |
| IL | $1,066 | $683 | $18,812 |
| OH | $981 | $444 | $18,488 |
| GA | $1,194 | $637 | $18,894 |
| NC | $512 | $793 | $18,368 |
| WA | $1,109 | $215+ | $18,387 |
| OR | $0 | $525 | $17,588 |
Estimates using each state's base tax rate. Local (city/county) taxes can add 1–3% in many areas, dealer doc fees vary, and some states base registration on vehicle value or weight (shown with a "+"). Trade-in tax credits are not included.
Out-the-door price by state: California, Texas, Florida, New York, Pennsylvania, Illinois, Ohio, Georgia, North Carolina, Washington, Oregon
Fuel economy
22
MPG city
30
MPG highway
25
MPG combined
EPA-estimated fuel economy for a representative 2018 Cadillac CTS configuration (Premium).
Safety & recalls
2 open NHTSA recalls on record for the 2018 Cadillac CTS.
STEERING:ELECTRIC POWER ASSIST SYSTEM
General Motors LLC (GM) is recalling certain 2016-2018 Cadillac CTS, and 2017 Cadillac ATS, Chevrolet Camaro, and Chevrolet Corvette vehicles. The electric power steering (EPS) assist system may fail.
Remedy: GM will notify owners, and dealers will replace the power steering gear assembly, free of charge. The recall began June 13, 2019. GM' number for this recall is N182182760.
Campaign 19V086000 · 07/02/2019
STEERING:ELECTRIC POWER ASSIST SYSTEM
General Motors LLC (GM) is recalling certain 2016-2018 Cadillac CTS, 2017-2018 Cadillac ATS, Chevrolet Camaro, and Chevrolet Corvette vehicles. The electric power steering (EPS) assist may fail.
Remedy: Dealers will replace the power steering gear assembly, free of charge. Owner notification letters were mailed April 15, 2025. Owners may contact Cadilac customer service at 1-800-333-4223 or Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N252497020.
Campaign 25V175000 · 20/03/2025
Source: NHTSA. Contact your dealer to schedule a free recall repair.
Frequently asked questions
What is a fair price for a 2018 Cadillac CTS?
A fair, mileage-adjusted price is about $17,063, within a typical market range of $17,063 to $17,063.
Is the 2018 Cadillac CTS cheaper than MSRP?
Yes — its original MSRP was about $59,780, so a fair used price is roughly $42,717 below MSRP.
What is the out-the-door price of a 2018 Cadillac CTS?
Out-the-door (price plus state tax, title, registration, and a typical doc fee) runs about $17,374 in MT to $19,220 in NJ, depending on your state. Local taxes can add more.
Is now a good time to buy a 2018 Cadillac CTS?
There are about 45 days of national market supply for the 2018 Cadillac CTS — Supply and demand are roughly balanced for the 2018 Cadillac CTS.
How much can you negotiate on a 2018 Cadillac CTS?
Negotiating leverage rates 30/100 (moderate). ~45 days of national supply — moderate negotiating leverage.
What does the dealer pay for a 2018 Cadillac CTS?
The estimated dealer cost (invoice) is roughly $54,998–$57,389 — its $59,780 MSRP minus a typical 4–8% margin. An estimate; actual invoice varies.
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Prices are computed from live market listings, adjusted for mileage, and aggregated by trim · updated 7/15/2026. Estimates only; your price depends on condition, options, and location.