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Dealer Markups

Dealer Market Adjustment: Is a Markup Above MSRP Legit?

The gist: A market adjustment, or "ADM," is a dealer-controlled charge above MSRP. It is generally legal when it is clearly disclosed as part of the dealer's price, but it is dealer-set, not a manufacturer or government cost, so it is negotiable and you can decline the deal. MSRP is only a suggested price, so a dealer can ask above or below it. Because the markup is set by one dealer, it may differ or be absent at another, so compare. A dealer is not generally required to explain how it set the markup, which is why getting the full out-the-door price in writing matters. Factory-installed options are listed on the window sticker and included in the total sticker price (shown separately from base MSRP); a dealer "addendum" is not part of the manufacturer's sticker.

Is a dealer market adjustment markup above MSRP legit?

It is generally legal, but legal and legit are not the same answer. A market adjustment, often printed as "ADM" for additional dealer markup, is a dealer-controlled amount added above MSRP when a model is in short supply or high demand. It is not a cost the manufacturer charges and it is not a government fee. It is the dealer choosing to ask for more, generally lawful when it is clearly disclosed as part of the dealer's price, because MSRP is, by definition, only a suggested price.

MSRP explains why a dealer can ask above sticker, but the timing and clarity of the disclosure are what make the pricing transparent, or deceptive if a lower price is advertised and the mandatory markup appears only later. The same logic that makes a markup legal also gives you room to compare: a markup is set by one dealer, for one car, in one moment of demand. Compare an equivalently configured vehicle at another dealership and the markup may shrink or be absent, though on a scarce model several dealers may add a similar one. Buyers often want to know how far a dealer might go below MSRP on a current model year car; the number on the addendum is a starting position, not a fixed cost.

Does "don't pay over MSRP" include factory add-ons?

This is where buyers get tripped up, so it is worth being precise. Factory-installed options, the upgraded wheels, the tow package or the premium audio the manufacturer built in, are listed on the Monroney sticker (the federally required factory window label) and included in the vehicle's total sticker price, shown separately from the base MSRP. The destination charge is listed there too and included in the total. If you pay the total sticker price, you have already paid for those factory options and destination.

So "don't pay over MSRP" is not really about factory equipment at all. It is about the dealer addendum, the second sticker the dealer puts up next to the factory one. That addendum is where the market adjustment lives, alongside paint protection, nitrogen-filled tires, VIN etching and "dealer prep." None of those is part of MSRP and none is set by the manufacturer. The clean mental model: the Monroney sticker is the manufacturer's required disclosure; the addendum is the dealer's and you should examine each line to see who imposed it. Paying the manufacturer's sticker price means paying the factory total and questioning the dealer addendum.

Do dealers have to be honest about a markup?

Honest about the price, yes; transparent about the math, no. A dealer generally cannot misrepresent what you will pay and federal law addresses deceptive pricing on this point. Such conduct remains addressable under the FTC Act and state consumer protection law.

None of that, though, forces a dealer to explain how it set a market adjustment or label it "profit." A dealer can write "Market Adjustment" and a figure on the addendum without justifying the number, but the charge must still be disclosed consistently with applicable advertising and contract rules and state rules may also apply. In any case, the buyer's defense is procedural: ask for the full out-the-door price in writing, with every line itemized, before you agree to anything. A written, line-by-line comparison against another dealer's quote shows whether a lower total is available. It does not guarantee the markup disappears, but it gives you a concrete basis to negotiate or walk.

Are tariff-related market adjustments legit?

Tariffs are a genuine cost pressure on new cars (the car tariffs guide covers how they work). The honest framing is this: tariffs are imposed upstream on imported vehicles and parts, not as a retail government fee paid at the dealership and manufacturers, distributors and dealers may pass them through, absorb or offset them differently. So a "tariff adjustment" added by an individual dealer is part of the dealer's selling price, not a fixed government charge. It behaves like any other market adjustment.

Treat a tariff explanation the way you would treat any markup justification: as a reason to compare, not a reason to accept. Even when tariffs raise upstream costs, different dealers may hold inventory bought at different times and prices, so a tariff effect does not necessarily show up the same way everywhere. Ask whether the tariff cost is already reflected in MSRP and compare the same car's total across dealers. A dealer-specific tariff line is part of the dealer's price; ask whether it can be removed or reduced and compare another dealer's total before accepting it.

How do you avoid paying a market adjustment?

In the traditional model, the playbook is straightforward but puts the work on you:

  • Compare the out-the-door price of the same car across several dealers. A markup one dealer treats as mandatory may be lower or absent at another dealer.
  • Ask for the addendum line to be removed and be prepared to walk if it stays. "Already on the sticker" is a negotiating position, not a rule.
  • Negotiate the out-the-door total, not the monthly payment, so a markup cannot quietly slide into a longer loan term.

These steps work, but notice what they require: time, leverage and a willingness to walk away. Time already invested in travel and negotiation can make buyers less willing to walk when terms change.

Where LetYouKnow removes the markup round entirely

My economics background shaped how I built LetYouKnow. The goal was simple: make the price clear before the buyer gets to the sales desk, not after. On LetYouKnow, you bid your own price and get an instant result. If your Bid is accepted, the vehicle is reserved, the dealership is revealed and your Bid becomes the locked-in price. The final purchase is still completed directly with the dealer.

Two platform facts address the addendum risk directly. First, MSRP on LetYouKnow is shown only as a vehicle attribute, sticker-price information that identifies which exact car you are building to bid on, not a price hint or a floor. Buyers are free to bid above or below it; the platform does not nudge toward any number. Second, all dealer and platform fees are already inside your bid. Only government fees (tax, title, registration) are added separately, so no dealer markup, addendum or market adjustment line should be added on top of your accepted Bid. Any optional product offered later should require your separate consent and the government fees come on top of the Bid. The dealer and platform charges you agree to are included in the number the deal is built on.

In a traditional sale with an addendum, you negotiate down from a dealer-added amount. On LetYouKnow you set the price up front, so no addendum line is added after the fact. Your dealer quote already does part of the work: government fees, tax, title and registration, appear on both paths, so removing them from the dealer's out-the-door total leaves a number your LetYouKnow bid can sit cleanly below.

How a dealer markup fits with everything else you pay is covered in the New Car Price Guide.

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Sources

  • FTC, "Manufacturer-imposed Requirements" (ftc.gov). "The key word is 'suggested.' A dealer is free to set the retail price of the products it sells. A dealer can set the price at the MSRP or at a different price, as long as the dealer comes to that decision on its own." https://www.ftc.gov/advice-guidance/competition-guidance/guide-antitrust-laws/dealings-supply-chain/manufacturer-imposed-requirements
  • Presidential Proclamation 10908, "Adjusting Imports of Automobiles" (Section 232), 90 FR 14705 (Apr. 3, 2025). A 25% ad valorem tariff on imported automobiles. https://www.govinfo.gov/content/pkg/FR-2025-04-03/pdf/2025-05930.pdf
  • LetYouKnow platform facts. MSRP is shown as a vehicle attribute (sticker-price information), not as a price hint or suggestion; buyers are free to bid above or below MSRP and the platform does not nudge them toward any number.
  • LetYouKnow platform mechanics. The buyer bids a price; all dealer and platform fees are included in the bid and only government fees (tax, title, registration) are added separately.
  • FTC Act Section 5 (deceptive pricing). Unfair or deceptive acts or practices are unlawful under Section 5 of the FTC Act (15 U.S.C. 45); misrepresented or undisclosed charges can be addressed as deceptive under it and under state consumer-protection law, which varies by state. (15 U.S.C. 45.) https://www.law.cornell.edu/uscode/text/15/45

Frequently asked questions

Key terms

Market adjustment (ADM)

An "additional dealer markup" charged above MSRP, often on a dealer addendum beside the factory window sticker (it can also appear in a listing, worksheet, or buyer's order). It is a dealer-controlled amount added when demand is high, not a manufacturer or government cost, so it is negotiable, can be declined and may be absent at another dealer.

MSRP

The Manufacturer's Suggested Retail Price on the factory Monroney (window) sticker. The word "suggested" is literal: a dealer may sell above or below it. The Monroney sticker shows the base MSRP, factory-installed options and the destination charge separately, plus a combined total sticker price; a dealer addendum or market adjustment is not part of that manufacturer sticker.

Addendum sticker

A second sticker the dealer places next to the factory Monroney sticker, listing dealer-added items such as a market adjustment, paint protection, or "dealer prep." The addendum is the dealer's, not the federally required manufacturer label, so examine each line to see who imposed it (some are real installed products, others are markups).

Monroney sticker

The federally required factory window sticker that lists MSRP, factory options and the destination charge. A separate addendum is not part of the federally required manufacturer label; review each line to see whether it is dealer-installed, distributor/port-installed, or an added dealer charge.

Factory-installed option

Equipment the manufacturer builds into or ships with the car which is listed on the Monroney sticker and included in the total sticker price (shown separately from base MSRP). It is distinct from a dealer-installed add-on, which appears on the addendum and is negotiable.