Understand additional dealer markup, market adjustments and how they affect MSRP and OTD price.
Common labels
Additional dealer markup, ADM, market adjustment, market value adjustment and scarcity premium usually describe a dealer price increase rather than a government fee.
Include it in the selling-price comparison
Treat the adjustment as part of what you are paying for the vehicle. Compare the effective selling price after adjustment, dealer discount and manufacturer incentives.
Check how it was advertised
Save the listing and ask whether the displayed price already includes the adjustment. A low ad price followed by a mandatory markup produces a different real offer.
Consider substitutes
A different trim, incoming allocation, nearby dealer or factory order can change the bargaining position. The relevant decision is not whether the label is acceptable in theory, but whether the complete deal is competitive.
Do not let financing hide it
A longer term or larger down payment can make a markup appear manageable through payment. Keep the adjustment visible in OTD price and total of payments.
Convert the markup into an effective price
Treat a market adjustment as part of the price you must pay for the vehicle. Add it to the negotiated base price before comparing the deal with another VIN, another trim or another dealer. Hiding the markup inside a monthly payment does not change its economic effect.
If the markup is paired with mandatory accessories, calculate both the markup and the accessory package so the full premium over an otherwise comparable vehicle is visible.
Payment can hide the markup
A $4,000 market adjustment raises a $42,000 vehicle to $46,000 before tax. Extending financing from 60 to 84 months may make the payment look similar to the buyer’s target, but the markup remains in OTD price and can generate additional interest for seven years.
Questions to ask before agreeing
- Is the adjustment included in the advertised price?
- Are comparable units available without it?
- Can the adjustment be reduced or removed?
- How does it change OTD and total payments?
- Is a factory order or different trim available?
- What is the effective price including markup and mandatory accessories?
- Is the same trim available nearby without the adjustment?
Frequently asked questions
Is a market adjustment the same as an add-on?
No. It is usually a pure price increase, while an add-on claims to provide a product or service.
Can a market adjustment be negotiated?
It is dealer-controlled, so you can negotiate or decline the deal, though availability affects leverage.
Does tax apply to it?
Tax treatment follows state rules for the taxable vehicle price. The dealer should show the calculation basis.
Does a market adjustment affect sales tax?
If the adjustment is part of the taxable selling price, it can increase tax, but exact treatment is state-specific. Use the applicable state engine or official guidance.
Can a market adjustment be hidden in accessories?
A dealer may use required accessory packages instead of a line literally called market adjustment. Compare the effective price including required dealer add-ons.
Official sources and further reading
These sources support the guide’s definitions and consumer-protection context. State-specific rules and individual contracts can change the result.
Guidance on written out-the-door prices, advertising conditions, fees and add-ons.
Consumer Financial Protection BureauWhat can I negotiate when shopping for a car or auto loan?Official guidance on negotiating vehicle price, interest rates and add-on products.
Car Deal Audit provides educational calculations and document-review guidance, not legal, tax, credit or insurance advice. Verify current state rules, lender terms and signed contracts for your transaction.