Vehicle report

2018 Audi S4

Fair price, market signal, reviews, and common issues — all in one place. Tuned to ZIP 43215 (from your location).

Fair price range

$9,600

$8,350 — $10,850

low confidence

Est. out-the-door

$10,946

$9,605 — $12,287

in Ohio (7.25% tax + fees)

What's shaping this price

  • Age (8 yrs)−$18,810

    13%/yr for midsize

  • Mileage (40,000)+$412

    56,000 under expected

Local market signal · 432xx

Avg days on market

37

from 12 comparable listings

30-day price trend

↓ 5.6%

cooling

Prices for this trim in 432xx are trending down — a buyer's edge right now.

Price over its life

2018 → 2026
$14.5k$19.4k$24.3k$29.3k$9.6k201820192020202120222023202420252026

Anchored on today's Marketcheck typical price, traced back through segment depreciation to estimate what it cost new.

Next 5 years (forecast)

2026 → 2031
$5.4k$6.8k$8.2k$9.6k$4.1k202620272028202920302031

Projected from today's typical price using the segment's annual depreciation rate, with a small penalty for accumulated mileage. Rough forecast — actual resale value swings with the used-car market.

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Affordability72-month loan · Ohio · 1,000 mi/mo

Potential monthly cost of ownership

Loan + insurance + gas — the three big monthly line items.

Estimated monthly total

Loan + insurance + gas

$459/mo

  • Auto loan

    72 months · 10% down · 7.5% APR (national avg)

    $149/mo

  • Insurance

    Full coverage · Ohio average for midsize cars

    $90/mo

  • Gas

    24 mpg combined · $5.28/gal · 1,000 mi/mo

    $220/mo

Estimated payments — actual rates depend on credit, coverage, and driving.

Long-term ownership costsDepreciation + maintenance over 5 years, assuming 12,000 mi/yr

$9,315over 5 yrs

~$1,863/yr

  • Depreciation

    $4,815

    Segment: midsize

  • Maintenance

    $4,500

    segment ballpark

Depreciation projected from segment averages against today’s typical price; maintenance is an AAA-derived segment ballpark. Loan, insurance, and gas are covered in the Affordability section above.

Safety ratingsOfficial NHTSA crash-test scores + owner complaint volume7 NHTSA complaints
  • Overall

    —

  • Frontal crash

    —

  • Side crash

    —

  • Rollover

    ★★★★★

    5.0 of 5

Averaged across 1 tested body/cab configuration (NHTSA scores by variant).

Safety recallsOfficial NHTSA campaigns for this year / make / model2 total
  • AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE

    Volkswagen Group of America, Inc. (Audi) is recalling certain 2018-2019 Audi RS5 Sportback, 2018 S5 Cabriolet, S5 Sportback, S5 Coupe, S4 Sedan, A5 Cabriolet, A5 Sportback, A5 Coupe, and 2017-2018 A4 Sedan and A4 Allroad vehicles. Oxidation on the Passenger Occupant Detection System (PODS) connecting cable may cause the software to misdiagnose a malfunction and disable the passenger air bag.

    19V547000 ·

  • SEATS

    Volkswagen Group of America, Inc. (Audi) is recalling certain 2017-2020 A4 Allroad, A4 Sedan, 2018-2019 RS5 Coupe, 2019 RS5 Sportback, 2018-2020 A5 Cabriolet, A5 Coupe, A5 Sportback, S4 Sedan, S5 Cabriolet, S5 Coupe, and Audi S5 Sportback vehicles. The cable connecting the seat heater to the Passenger Occupant Detection System (PODS) may have a contact fault, causing the software to misdiagnose a malfunction and disable the passenger air bag.

    21V874000 · Oct 11, 2021

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  • Reviewer summary — what pro reviewers and real owners agree — and disagree — on
  • Common issues to watch for — model-specific problems, ranked by severity, with sources
  • What real buyers paid — actual out-the-door prices extracted from Reddit threads

Ownership economics

Real market data

  • 5-year total cost of ownership — depreciation + fuel + insurance + maintenance, itemized
  • EPA fuel economy — real MPG + annual fuel cost for this trim
  • Safety ratings + recalls — official NHTSA scores and every open campaign

Curated sources

So you don't have to search

  • Top 5 editorial reviews — from MotorTrend, C&D, Edmunds, Autoblog, and more
  • Top 5 video reviews — ranked YouTube reviews for this exact year and trim
  • Top 5 owner threads — real ownership discussions from auto subreddits

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