2021 Audi A4 engine price snapshot
- Low
- $1,254
- Average
- $2,606
- High
- $4,200
Year-specific price guide
Used 2021 Audi A4 Engine prices
Year-specific used engine pricing for the 2021 Audi A4, built from real salvage yard and junkyard listings with condition grade and fitment detail.
SKWritten bySaurabh Kumar · Co-Founder & CTO
SK
Saurabh Kumar
Co-Founder & CTO, Part Price Guide
Built the pricing pipeline that collects and normalizes used OEM part listings from salvage yards and online marketplaces across the US.
ASReviewed byAmbika Sharma · Co-Founder & COO
Last updatedOct 11, 2026AS
Ambika Sharma
Co-Founder & COO, Part Price Guide
12 years of project management and technical operations experience. Reviews price guides for sample size, fitment accuracy, and data freshness.
Part overview
About the 2021 Audi A4 engine
A used 2021 Audi A4 engine costs between $1,254 and $4,200, with a median of $2,650 from 97 salvage yard listings.
What the engine does, common failure signs, and prices across all vehicles: used engine price guide →
Also known asMotorEngine Assembly
Price summary
A used 2021 Audi A4 engine costs $1,254 to $4,200, with a median asking price of $2,650. Based on 97 priced salvage yard listings across the US, compatible across 2021–2025 (5 model years), updated Oct 11, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$2,650
Grade B (good)$2,500
USD
Condition comparison
Price by part grade
Grade AClean / low wear$1,638–$4,20073 listings
Grade BStandard used$1,254–$3,12114 listings
Grade XUngraded$2,500–$3,25410 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $1,638–$4,200 | 73 | |
| Grade BStandard used | $1,254–$3,121 | 14 | |
| Grade XUngraded | $2,500–$3,254 | 10 |
Median by grade
Grade price comparison
Grade A$2,650
Grade B$2,500
Ungraded$3,048
Median asking price by seller-reported condition grade · $1,254–$4,200 overall range
Replacement cost
What is the 2021 Audi A4 engine replacement cost?
- Used part
- $2,650
- 2021 Audi A4 median asking price
- Labor
- $950–$3,000
- 10–20 hours at $95–$150/hr
- Estimated total
- $3,600–$5,650
- median used part + labor
Labor is a typical independent-shop range for engine replacement, not a quote for your vehicle; it does not include fluids, gaskets, and any while-in-there parts like mounts or a clutch. The part price is the live median from the salvage-yard listings on this page. How we price
Fitment matters
Price by trim & variant
Year-specific context
How does the 2021 Audi A4 compare?
The 2021 guide is based on 100 observed listings, including 97 with posted prices. Its $2,650 median is 7% above the Audi A4 guide's $2,475 median.
Among the 9 model years with current price data, 2021 ranks #7 from lowest to highest median.
Interchange data shows this part is also listed under model years 2022, 2023, 2024, 2025. Shopping across all 5 compatible years may surface better prices or condition grades.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Compare model years
What does a Audi A4 engine cost in other years?
202331 listingsCompatible$2,568$1,254 – $3,2432022100 listingsCompatible$2,950$1,643 – $5,835202099 listings$2,300$956 – $4,720201988 listings$1,958$989 – $4,4532018100 listings$2,358$989 – $4,9502017100 listings$2,350$900 – $4,8002016106 listings$2,668$1,193 – $5,0642015200 listings$2,500$900 – $4,654
Keep browsing this vehicle
What other Audi A4 parts are priced?
01wide ±93%
AC Compressor
$161median
$50$349
02wide ±194%
ABS Module
$185median
$40$759
03wide ±208%
Air Bag
$159median
$40$700
04wide ±155%
Alternator
$116median
$45$405
05wide ±174%
Axle Shaft
$116median
$35$439
06wide ±95%
Blower Motor
$106median
$40$241
07wide ±237%
Brake Caliper
$131median
$28$650
08wide ±133%
Rear Bumper Assembly
$700median
$125$1,990
09wide ±76%
Front Bumper
$795median
$140$1,355
10wide ±149%
Rear Bumper
$475median
$83$1,495
11wide ±220%
Car Radio
$151median
$35$700
12wide ±149%
Center Console
$134median
$45$445
13wide ±140%
AC Condenser
$155median
$40$475
14wide ±179%
Control Arm
$85median
$35$339
15tight ±13%
Differential
$200median
$200$250
16wide ±109%
Door Assembly
$800median
$150$1,899
17wide ±124%
Drive Shaft
$170median
$50$470
18wide ±174%
Engine Computer
$175median
$35$644
19tight ±15%
Exhaust Manifold
$650median
$450$650
20wide ±125%
Fender
$353median
$90$974
21wide ±139%
Fog Light
$90median
$30$280
22wide ±121%
Front Seat
$196median
$75$550
23wide ±157%
Fuel Pump
$109median
$30$373
24wide ±110%
Fuel Tank
$191median
$63$483
25wide ±169%
Grille
$350median
$55$1,240
26wide ±172%
Headlight Assembly
$1,151median
$182$4,144
27wide ±60%
Heater Core
$156median
$66$252
28wide ±76%
Hood
$719median
$250$1,350
29spread ±41%
Ignition Switch
$78median
$60$124
30
Instrument Cluster
Price data updating
31wide ±138%
Intake Manifold
$90median
$50$299
32wide ±213%
Master Cylinder
$51median
$30$247
33wide ±178%
Side Mirror
$343median
$55$1,275
34spread ±22%
Power Steering Pump
$325median
$200$340
35wide ±97%
Quarter Panel
$475median
$175$1,100
36wide ±237%
Radiator
$152median
$30$751
37wide ±144%
Rear View Mirror
$100median
$32$320
38wide ±218%
Starter
$85median
$25$395
39wide ±178%
Steering Column
$156median
$45$599
40wide ±157%
Steering Rack
$350median
$60$1,158
41wide ±180%
Steering Wheel
$204median
$65$799
42wide ±196%
Strut
$95median
$40$412
43wide ±183%
Sunroof
$164median
$40$640
44wide ±177%
Tail Light
$200median
$35$743
45wide ±97%
Tailgate
$1,000median
$160$2,102
46wide ±137%
Throttle Body
$91median
$35$285
47
Torque Converter
Price data updating
48spread ±50%
Transfer Case
$1,335median
$710$2,033
49wide ±257%
Transmission
$598median
$120$3,193
50wide ±253%
Transmission Control Module
$123median
$22$644
51wide ±107%
Turbocharger
$400median
$144$1,000
52wide ±109%
Water Pump
$75median
$25$188
53wide ±164%
Wheels
$220median
$54$774
54wide ±64%
Window Regulator
$80median
$50$153
Common questions
2021 Audi A4 engine FAQ
How much is a used 2021 Audi A4 engine?
Based on 97 priced salvage-yard listings, a used 2021 Audi A4 engine lists between $1,254 and $4,200, with a median asking price of $2,650.
How much does it cost to replace a 2021 Audi A4 engine?
Using a used part, a 2021 Audi A4 engine replacement typically runs $3,600–$5,650 all-in: the median used engine for this year lists at $2,650, and independent-shop labor for engine replacement typically takes 10–20 hours at $95–$150/hr ($950–$3,000). The labor figure does not include fluids, gaskets, and any while-in-there parts like mounts or a clutch. Labor is a national part-level estimate, not a quote for your vehicle.
Will a 2021 Audi A4 engine fit another year?
Based on salvage-yard interchange data, listings for the 2021 Audi A4 engine also appear under model years 2022, 2023, 2024, 2025, suggesting these years share compatible fitments. Always verify the exact part number, drivetrain, trim, and your VIN before buying — interchange compatibility can vary by variant.
How much is a 2021 Audi A4 motor?
A motor is another name for a engine. The prices on this page cover the 2021 Audi A4 engine — median $2,650, from 97 listings.