Best GMC Dealers Near Crystal Lake, IL
As of July 2026, CarEdge grades 1 of 2 GMC dealers near Crystal Lake, IL from 7 verified out-the-door quotes. The average doc fee at rated GMC dealers here is $374.
Data updated Jul 25, 2026 · How we score dealers
Based on 1 dealer with verified quotes.
Top-Rated GMC Dealers Near Crystal Lake
Tips for Buying a GMC in IL
- Know the doc fee: The average doc fee in IL is $371. If a dealer charges significantly more, ask them to reduce it or consider other options.
- Good news on add-ons: 100% of GMC dealers near Crystal Lake charge no mandatory add-ons.
- Get multiple quotes: Request OTD quotes from at least 3 dealers to compare total prices, not just sticker prices.
- Check transparency scores: Dealers with scores above 80 typically have fair doc fees and minimal add-ons.
GMC Dealers Near Crystal Lake FAQ
What is the best GMC dealer near Crystal Lake, IL?
Napleton Buick GMC Crystal Lake (Crystal Lake, IL) is the highest-graded GMC dealer near Crystal Lake on the CarEdge Dealer Transparency Index — A grade, 100/100, based on 7 verified out-the-door quotes.
What doc fee do GMC dealers near Crystal Lake charge?
As of July 2026, rated GMC dealers near Crystal Lake, IL charge an average documentation fee of $374, compared to a IL state average of $371 — based on 7 verified out-the-door quotes collected by CarEdge.
How does CarEdge rank GMC dealers near Crystal Lake?
Each dealer is scored 0-100 from verified out-the-door price quotes — fee transparency (30%), add-on behavior (30%), price accuracy (30%), and data quality (10%) — and graded A-F. Rankings update as new GMC quotes near Crystal Lake are verified.