Cadillac CT4 Price in Illinois
As of September 4, 2026, there are 18 Cadillac CT4 vehicles available at 11 dealerships in Illinois. Expect an average markup of $1,535 over MSRP in Illinois, though 78% of listings are still at or below sticker price. 9 of 11 dealers are currently pricing below MSRP on average. Prices range from $43,947 to $58,490, with a median of $47,730.
These are advertised prices — a negotiated deal (incentives, dealer discounts) often beats them.
18
In Stock
+$1,535
Avg Markup
77.8%
At/Below MSRP
$47,730
Median Price
Price range: $43,947 — $58,490
Dealers in Illinois
| Dealer | Count | Avg Markup | Below MSRP |
|---|---|---|---|
| DIEPHOLZ CADILLAC Charleston, IL | 1 | -$2,424 | 1 |
| CASTLE CHEVROLET OF MCHENRY Mchenry, IL | 1 | -$2,182 | 1 |
| BARKER MOTOR COMPANY Bloomington, IL | 1 | -$1,898 | 1 |
| NAPLETON'S RIVER OAKS CADILLAC, INC. Calumet City, IL | 1 | $0 | 1 |
| PATRICK CADILLAC Schaumburg, IL | 2 | $0 | 2 |
| RAY DENNISON CADILLAC Pekin, IL | 1 | $0 | 1 |
| SAM LEMAN CADILLAC Champaign, IL | 1 | $0 | 1 |
| QUALITY BUICK GMC Alton, IL | 1 | $0 | 1 |
| RIZZA CADILLAC , IL | 1 | $0 | 1 |
| ZEIGLER CADILLAC OF LINCOLNWOOD Lincolnwood, IL | 7 | +$2,864 | 4 |
| UFTRING MONTGOMERY CADILLAC Peoria, IL | 1 | +$14,090 | 0 |