2018 Mini Cooper Convertible John Works

VIN WMWWH9C59J3A78422 GREAT DEAL · $6,040 below typical price Rosedale, Maryland
Listed at
$18,450
typical market $24,490 · 4 comps

This 2018 Mini Cooper Convertible John Works is listed at $18,450 with 98,409 miles in Rosedale, Maryland.

Sold by sly27.blue

Rosedale, MARYLAND 21237

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  • ✓ Title brands — salvage, flood, lemon
  • ✓ Odometer readings over time
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VIN report

2018 Mini Cooper Convertible John Works

VIN WMWWH9C59J3A78422

Accidents Reported damage & accident records
Title Salvage, flood & other title brands
Mileage Recorded odometer readings
Listings Past prices, dealers & listing photos
2018 Mini Cooper Convertible John Works
Section preview · Results shown in the full report
Report for this VIN · WMWWH9C59J3A78422
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Market price range

Based on 4 comparable same-build listings — a small sample, treat the band as a rough guide · Market data as of November 15, 2026
This vehicle · $18,450
Below market
$23,287
Middle of range
$24,490
Above market
$25,468

This vehicle: $18,450 — below the market range (typical price $24,490)

Asking $18,450 · typical market price $24,490 · based on 4 comparable same-build listings.

See all 2018 Mini Cooper Convertible prices — typical $24,490 →

THE SMARTER NEXT STEP

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2018 Mini Cooper Convertible John Works for sale near RosedaleMaryland

1 cheaper within 50 miles

1 same trim from $23,981 ▲ $5,531 more Rockville
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Price history for this VIN

Asking price over time

May 7, 2021 · $31,999 Nov 14, 2026 · $18,450

Asking prices recorded across 11 listing dates for VIN WMWWH9C59J3A78422, spanning 5 years 6 months.

Dealer Location Price Mileage Listed Seen
sly27.blue Rosedale, Maryland 21237 $18,450 98,409 mi 2026-11-14 1 h ago
— Rosedale, MD 21237 $18,450 98,409 mi 2026-11-14 6 h ago

Former listings

Dealer Location Price Mileage Listed Seen
Motor World Frederick, MD 21705 $14,995 90,610 mi 2026-02-07 158 d ago
Motor World 21705 $15,995 90,610 mi 2026-01-25 279 d ago
Motorworld LLC Frederick, MD 21701 $14,995 90,610 mi 2025-11-09 158 d ago
Mini of Ramsey Ramsey, NJ 07446 $31,999 16,443 mi 2021-05-07 2017 d ago

Decoded from the VIN

NHTSA build data for WMWWH9C59J3A78422
Trim
John Cooper Works
Engine
Horsepower
228
Drivetrain
FWD/Front-Wheel Drive
Body
Convertible/Cabriolet
Fuel
Gasoline
Doors
2
Model year
2018
Made by
BMW AG

Full factory specs for this build →

  • ✓ Backup camera
  • ✗ Blind-spot monitor
  • ✗ Lane departure
  • ✗ ABS
  • ✓ Electronic stability

Fuel economy (EPA)

Combined
30
MPG
City
27
MPG
Highway
35
MPG
$1,550 /yr est. fuel

Assumes 15,000 miles a year at $3.10/gallon and 30 MPG combined.

5-year cost to own

Beyond the sticker: what this 2018 Mini Cooper Convertible likely costs over five years at 15,000 mi/yr.

Depreciation $4,500
Fuel $7,750
Insurance $6,800
Maintenance & repairs $7,150
Total, 5 years $26,200

Estimate — insurance and taxes vary by driver and state.

Model-level data for the 2018 Mini Cooper Convertible from EPA fueleconomy.gov, refreshed October 29, 2026.

How it compares to rivals

Median asking price for comparable body styles listed near this car
Model Median price For sale nearby vs this car
2018 Mini Cooper Convertible John Works (this car) $18,450 4 —
2017 Chevrolet Camaro $28,099 3 +$9,649
2019 Mazda MX-5 $22,484 2 +$4,034
2019 Ford Mustang $26,990 2 +$8,540

Cheapest active listings of each comparable body style in this region — median of what those models actually ask.

Market by model year

What each model year costs right now — live supply, median asking price and how much value each year keeps versus the newest one.

Year Units for sale Median price vs newest Avg mileage
2027 718 $46,400 100% —
2026 861 $43,550 94% 917 mi
2025 72 $36,583 79% 8,262 mi
2024 235 $30,590 66% 20,946 mi
2023 96 $28,954 62% 27,135 mi
2022 60 $27,437 59% 34,403 mi
2021 37 $24,995 54% 36,720 mi
2020 26 $23,301 50% 38,912 mi

Units for sale — listings of each model year in the latest nightly market snapshot.

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