Dave Sinclair Buick GMC
St. Louis, MO·4 verified quotes*
Dec 19, 2025 – Dec 19, 2025· Score updated Apr 7, 2026
VerifiedCurrent Inventory
View all 700 vehicles →$46,133
Median Price
65
Median Days Listed
71
Added This Week
Price vs. Days on Lot
Vehicles in the upper-right are expensive and slow to sell — best negotiation opportunities.
Days on Market
How long vehicles have been listed. Older stock means more room to negotiate.
Transparency Score Breakdown
- Doc fee ($595) is slightly above MO average ($529)
- Average dealer add-ons of $995 when present
- Price accuracy is excellent — quotes closely match advertised prices
Doc Fee Comparison
Recent Quotes
Verified out-the-door prices from real transactions
1 vehicle transaction — 4 individual quotes
Most Common Add-ons
Nearby Rated Dealers
These dealers near St. Louis have transparency scores based on verified pricing data.
Frequently Asked Questions
What is Dave Sinclair Buick GMC's doc fee?
Dave Sinclair Buick GMC charges a typical documentation fee of $595. The MO average is $404. This is based on 4 verified OTD quotes in our database.
Does Dave Sinclair Buick GMC add mandatory add-ons?
Dave Sinclair Buick GMC adds an average of $498 in dealer add-ons when present. Ask for an itemized breakdown and negotiate to remove non-essential items like paint protection, nitrogen tire fill, or VIN etching.
Is Dave Sinclair Buick GMC a good dealer?
Dave Sinclair Buick GMC has a transparency score of 85.3/100, earning a Grade B. This score is based on their doc fees, add-on behavior, dealer markup, and data quality from 4 verified OTD quotes. This is a well-above-average score, indicating transparent pricing practices.
At a Glance
Get an even better deal
Even with a transparent dealer, CarEdge Pro can save you more. Average savings: $2,200.
Try CarEdge ProTips for Dave Sinclair Buick GMC
- Doc fee ($595) is slightly above average. Worth asking for a reduction.
- Minor add-ons (~$498) may appear. Ask what's included and if they can be removed.
- Dealer markup is about 4% below listing (excluding taxes). This dealer keeps fees very low.
- Limited data (4 quotes). Score may change as we collect more information.
*Information provided for general informational purposes only. Scores are independently calculated and do not imply endorsement of or affiliation with any dealer. Verify all information independently before making a purchase decision. See our Terms of Service.