2018 Audi A4 differential price snapshot
- Low
- $200
- Average
- $225
- High
- $250
Year-specific price guide
Used 2018 Audi A4 Differential prices
Year-specific used differential pricing for the 2018 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 updatedSep 28, 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 2018 Audi A4 differential
A used 2018 Audi A4 differential costs between $200 and $250, with a median of $250 from 4 salvage yard listings.
What the differential does, common failure signs, and prices across all vehicles: used differential price guide →
Also known asDiffRear DiffRear DifferentialFront DifferentialRear End
Price summary
A used 2018 Audi A4 differential costs $200 to $250, with a median asking price of $250. Based on 4 priced salvage yard listings across the US, updated Sep 28, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$250
USD
Condition comparison
Price by part grade
Grade AClean / low wear$200–$2504 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $200–$250 | 4 |
Replacement cost
What is the 2018 Audi A4 differential replacement cost?
- Used part
- $250
- 2018 Audi A4 median asking price
- Labor
- $190–$750
- 2–5 hours at $95–$150/hr
- Estimated total
- $440–$1,000
- median used part + labor
Labor is a typical independent-shop range for differential replacement, not a quote for your vehicle; it does not include gear oil and replacement seals. 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 2018 Audi A4 compare?
The 2018 guide is based on 4 observed listings, including 4 with posted prices. Its $250 median is 25% above the Audi A4 guide's $200 median.
Among the 2 model years with current price data, 2018 ranks #2 from lowest to highest median.
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 differential cost in other years?
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
15wide ±109%
Door Assembly
$800median
$150$1,899
16wide ±124%
Drive Shaft
$170median
$50$470
17wide ±100%
Engine
$2,475median
$900$5,835
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
2018 Audi A4 differential FAQ
How much is a used 2018 Audi A4 differential?
Based on 4 priced salvage-yard listings, a used 2018 Audi A4 differential lists between $200 and $250, with a median asking price of $250.
How much does it cost to replace a 2018 Audi A4 differential?
Using a used part, a 2018 Audi A4 differential replacement typically runs $440–$1,000 all-in: the median used differential for this year lists at $250, and independent-shop labor for differential replacement typically takes 2–5 hours at $95–$150/hr ($190–$750). The labor figure does not include gear oil and replacement seals. Labor is a national part-level estimate, not a quote for your vehicle.
Will a 2018 Audi A4 differential fit another year?
This price guide does not confirm interchangeability. Check the seller's part number, drivetrain, trim or variant, and your VIN before buying; parts from the same model can use different fitments in the same year.
How much is a 2018 Audi A4 diff?
A diff is another name for a differential. The prices on this page cover the 2018 Audi A4 differential — median $250, from 4 listings.