What is a window sticker?

A window sticker — officially the "Monroney label" — is the printed sheet the factory attaches to the window of every new vehicle. It has been federally required on new cars in the United States since the Monroney Act of 1958, and decades later it remains the single most authoritative summary of how a particular vehicle left the assembly line.

It lays out the standard equipment, the optional equipment and packages the original buyer selected, the EPA fuel-economy ratings, the warranty terms, the percentage of U.S./Canadian parts content, and the full price breakdown — base MSRP, each individual option, the destination charge, and the grand total. That original data is exactly what lets you confirm, years later, how a used vehicle was really configured.

Window sticker vs. build sheet

The two documents describe the same factory configuration in different ways. A window sticker is written for the buyer: plain equipment descriptions, fuel-economy ratings, warranty details, and a price breakdown right down to the destination charge.

A build sheet is the factory's own assembly record — the complete list of option codes a vehicle was built with, without pricing. WindowStickerVin.com returns the window sticker whenever one is on file, and automatically falls back to the build sheet when it isn't, so you always come away with the underlying factory data either way. For a deeper comparison, see our guide on window sticker vs. build sheet.

Why check your window sticker or build sheet?

Whether you're buying a used car, selling one, arranging insurance, or just settling a curiosity, the factory record is the most reliable way to confirm exactly how a vehicle was equipped the day it was built — far more dependable than a listing description or a faded memory.

It lets you verify the trim level, the engine and drivetrain, the option packages, and individual features, and it makes it easy to tell factory-installed equipment apart from anything a dealer or previous owner added afterward. For buyers especially, it's a quick way to make sure a seller's claims actually match how the vehicle left the line.

VIN & Window Sticker Forum

80 topics · 402 replies · read-only archive

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Showing 21–40 of 80 topics · page 2 of 4

Seller says this vehicle has the 5WF option
Andrew H. · Jun 10, 2026 · Packages & Towing

7 replies 435 views
What does 6W7 mean on my 2020 Dodge Challenger build sheet?
Amanda S. · Jun 8, 2026 · Exterior & Appearance Solved

6 replies 347 views
Build sheet and dealer printout disagree about 4AP
Elena H. · Jun 5, 2026 · Interior & Comfort

7 replies 439 views
How reliable is 27X when checking factory equipment?
Derek L. · Jun 5, 2026 · Packages & Towing

7 replies 385 views
12U is listed, but the option does not seem to work
Jessica M. · Jun 3, 2026 · Exterior & Appearance

4 replies 360 views
Owners with *B4: how has it worked for you?
Rachel T. · Jun 3, 2026 · Transmission & Drivetrain

3 replies 276 views
Build sheet lists 42Q, but the equipment looks different
Kevin M. · May 22, 2026 · Exterior & Appearance Solved

9 replies 651 views
Real-world difference with the 5D2 configuration
Grace W. · May 20, 2026 · Exterior & Appearance Solved

10 replies 1,219 views
Dealer says AGT means something different
Jordan H. · May 16, 2026 · Transmission & Drivetrain Solved

4 replies 237 views
4CT is listed, but the option does not seem to work
Jason G. · May 15, 2026 · Interior & Comfort Solved

6 replies 279 views
Is 3DF the correct code for this feature?
Evan N. · May 10, 2026 · Packages & Towing

9 replies 749 views
Trying to decode 27B on a 1997 Chevrolet Silverado 1500
Andrew E. · May 9, 2026 · Interior & Comfort Solved

5 replies 217 views
Is 7WC model-specific or used across several vehicles?
Ben W. · May 8, 2026 · Electronics & Infotainment

1 replies 126 views
Seller says this vehicle has the 3CE option
Eric H. · May 4, 2026 · Wheels & Tires

8 replies 765 views
Build sheet lists 1FY, but the equipment looks different
Andrew E. · May 1, 2026 · Packages & Towing Solved

7 replies 527 views
Build sheet has 232, but I cannot find the feature
Aaron E. · May 1, 2026 · Packages & Towing

2 replies 367 views
Build sheet lists 5CE, but the equipment looks different
Andrew E. · Apr 29, 2026 · Wheels & Tires

1 replies 247 views
Does adding this option require programming or just hardware?
Nathan B. · Apr 28, 2026 · Wheels & Tires Solved

4 replies 310 views
What does 39U mean on my 2017 GMC Sierra 1500 build sheet?
Jessica A. · Apr 27, 2026 · Exterior & Appearance

4 replies 424 views
6RD is listed, but the option does not seem to work
Derek L. · Apr 26, 2026 · Exterior & Appearance

2 replies 271 views