2021 Audi A4: trims, real prices & how to pick yours
12 builds left the factory as a 2021 A4, each a different combination of engine, transmission and body identified by the first eight characters of its VIN. The 7 main configurations sell for $13,900–$33,089 today.
- 7 main configurations
- 9,736 vehicles built
- 147 for sale right now
- $13,900–$33,089 typical price range
Which A4 is yours?
Enter a VIN — the 17 characters on the windshield or the title — and we’ll match it to its exact factory configuration, typical price and equipment.
Works with any VIN — a different year or model takes you straight to its own page.
Pick your A4
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Quattro Premium · AWD WAUDABF4-M2L 4-cyl, 261 hp, Automatic, All-wheel drive. 27 built.
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Quattro Premium Plus · AWD WAUEAAF4-M2L 4-cyl, 261 hp, Automatic, All-wheel drive. 3,603 built.
$18,459 great deal $24,598 typical $29,991 top of market -
Quattro Premium Plus · AWD WAUEABF4-M2L 4-cyl, 261 hp, Automatic, All-wheel drive. 48 built.
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Quattro Premium Plus · AWD WAUBBAF4-MAutomatic, All-wheel drive. 1,036 built.
$16,159 great deal $23,106 typical $28,484 top of market -
Most common — 38% of 2021 A4s
Quattro Premium · AWD WAUABAF4-MAutomatic, All-wheel drive. 3,741 built.
$14,878 great deal $21,698 typical $33,089 top of market -
Quattro Premium · AWD WAUDAAF4-M2L 4-cyl, 261 hp, Automatic, All-wheel drive. 1,104 built.
$13,900 great deal $22,102 typical $27,499 top of market -
Quattro Prestige · AWD WAUFAAF4-M2L 4-cyl, 261 hp, Automatic, All-wheel drive. 118 built.
What actually differs
| Quattro Premium · AWD WAUABAF4-M | Quattro Premium Plus · AWD WAUEAAF4-M | Quattro Premium · AWD WAUDAAF4-M | Quattro Premium Plus · AWD WAUBBAF4-M | |
|---|---|---|---|---|
| Typical price today | $21,698 | $24,598 | $22,102 | $23,106 |
| For sale right now | 52 | 44 | 24 | 22 |
| Vehicles built | 3,741 | 3,603 | 1,104 | 1,036 |
Same on every 2021 A4
- Engine 2L 4-cyl
- Power 261 hp
- Drivetrain All-wheel drive
- Transmission Automatic
- Fuel Gasoline
- Body Sedan
- Seats 5
- Doors 4-door
What people actually pay
205 price observations · updated Aug 30, 2026Safety, in plain English
★★★★★ 5 / 5
4 recalls on file for this model year — check any specific VIN before you buy.
- ✓ Warns you before a crash
- ✓ Brakes for you in an emergency
- ✓ Watches your blind spot (optional)
- ✓ Warns when you drift from your lane
What WAUDABF4-M means
- WAU
- the World Manufacturer Identifier Audi registered — assembled in Germany
- DABF4
- together encode the A4 line — Sedan, 2L 4cyl, All-wheel drive — as Audi filed it, these five characters are read as one block, not letter by letter
- M
- in position 10 — model year 2021
- 9, 11–17
- differ on every car: check digit, plant code and the serial number
5 rare configurations — mostly fleet, export or irregular VIN patterns. Fewer than 20 known vehicles each.
- Quattro Prestige Sedan WAUCBAF4-M Fewer than 20 known vehicles
- Quattro Premium Sedan WAUABBF4-M Fewer than 20 known vehicles
- Quattro Prestige Sedan WAUCBBF4-M Fewer than 20 known vehicles
- Quattro Prestige 2L 4cyl Sedan WAUFABF4-M Fewer than 20 known vehicles
- Quattro Premium Plus Sedan WAUBBBF4-M Fewer than 20 known vehicles
Already looking at a specific A4?
Paste its VIN — we’ll open that exact car’s page: its configuration, market position and every listing we’ve tracked.