Used Car Value Estimator & Depreciation Calculator | Transparent Bid

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API key mode (optional) option 1: no keys = mock data option 2: enter keys = live FRED/EIA

FRED API key (get free at fred.stlouisfed.org)

EIA API key (get free at eia.gov/opendata)

Leave blank to use built‑in mock data. Enter your own keys to fetch live rates & fuel prices.

market pulse

fuel price trend normal (EIA mock: $3.42) spike (+12%) (EIA mock: $3.83) cheap (-10%) (EIA mock: $3.08)

interest rate low 3.8% (FRED mock) high 5.33% (FRED mock) moderate 4.5% (FRED mock)

local supply average glut (-12%) scarce (+10%)

zip code

VIN story BACHAI mock (static)

generation 2018+ (current) 2014-2017 (previous) 2010-2013 (older)

unicorn option standard rare (+8%) collector (+15%)

service history partial records full dealer (+6%) no records (-8%)

2017 F-150 XLT (mock VIN data)

pavement condition

paint garage queen (+5%) driver (10ft good) patina/fading

maintenance 60k service done (+4%) timing belt due (-8%) minor due

AC ice cold needs recharge broken

mileage low (<10k/yr) avg (12-15k/yr) high (20k+/yr)

depreciation

brand trajectory stable concerns (-12%) bulletproof (+5%)

new model impact redesign (-15%) mild refresh retro hold

years owned 3 years 4 years 5 years

insurance (zip based): $1,450/year

valuation

mock mode (no keys)

cash offer

$ --

private party

$ --

retail dream

$ --

future value (4 yrs) $ -- deprec loss: $--

true cost per mile $ --

mock: FRED 5.33% · EIA $3.42 just now

immediate reinvestment: $ --

Option 1: no keys = mock data. Option 2: enter your FRED & EIA keys for live data.

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