Cadillac CT4 Price in Illinois
As of October 19, 2026, there are 12 Cadillac CT4 vehicles available at 8 dealerships in Illinois. Expect an average markup of $2,295 over MSRP in Illinois, though 67% of listings are still at or below sticker price. 6 of 8 dealers are currently pricing below MSRP on average. Prices range from $46,470 to $58,490, with a median of $50,920.
Only 12 CT4 listings in Illinois right now — too small a sample to read the average as the market. Nationally, across 439 listings the average is $695 over MSRP (88% at/below), best $2,755 below. See the national CT4 page. These are advertised prices — a negotiated deal (incentives, dealer discounts) often beats them.
12
In Stock
+$2,295
Avg Markup
66.7%
At/Below MSRP
$50,920
Median Price
Price range: $46,470 to $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 |
| RIZZA CADILLAC TINLEY PARK, IL | 1 | $0 | 1 |
| NAPLETON CADILLAC ROCKFORD, IL | 1 | $0 | 1 |
| QUALITY BUICK GMC Alton, IL | 1 | $0 | 1 |
| RAY DENNISON CADILLAC Pekin, IL | 1 | $0 | 1 |
| ZEIGLER CADILLAC OF LINCOLNWOOD Lincolnwood, IL | 5 | +$3,610 | 2 |
| UFTRING MONTGOMERY CADILLAC Peoria, IL | 1 | +$14,090 | 0 |