2018 Mini Cooper Convertible John Works
WMWWH9C57J3A78337
GREAT DEAL
· $5,492 below typical price
This 2018 Mini Cooper Convertible John Works is listed at $18,998 with 71,695 miles.
Sold by CarMax Pleasant Hill
Hours
- Mon–Fri
- 11:00 AM – 8:00 PM
- Sat
- 9:00 AM – 7:00 PM
- Sun
- 12:00 PM – 7:00 PM
Contact details come from the dealer's listing and public business records. VinAssessment is not the seller and takes no fee — you deal with the dealer directly.
2018 Mini Cooper Convertible John Works
VIN WMWWH9C57J3A78337
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, 2026This vehicle: $18,998 — below the market range (typical price $24,490)
Asking $18,998 · typical market price $24,490 · based on 4 comparable same-build listings.
See all 2018 Mini Cooper Convertible prices — typical $24,490 →
Love this car? See what else is out there.
2018 Mini Cooper Convertible John Works for sale near Pleasant HillCalifornia
2 cheaper within 50 miles · best $11,319 less
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50 miles around Pleasant Hill
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Vehicle locations appear when available.
Price history for this VIN
Asking price over time
Asking prices recorded across 9 listing dates for VIN WMWWH9C57J3A78337, spanning 23 months.
Active listings
Full listing history on VehiSales →| Dealer | Location | Price | Mileage | Listed | Seen |
|---|---|---|---|---|---|
| CarMax Pleasant Hill | 94523 | $18,998 | 71,695 mi | 2026-11-07 | 4 d ago |
| CarMax Pleasant Hill | Pleasant Hill, California 94523 | $18,998 | 71,695 mi | 2026-11-06 | 5 h ago |
Former listings
| Dealer | Location | Price | Mileage | Listed | Seen |
|---|---|---|---|---|---|
| CarMax Bakersfield | Bakersfield, CA 93307 | $18,998 | 71,695 mi | 2026-10-21 | 3 d ago |
| — | $18,500 | 58,525 mi | 2024-12-21 | 667 d ago |
Decoded from the VIN
NHTSA build data for WMWWH9C57J3A78337Full factory specs for this build →
- ✓ Backup camera
- ✗ Blind-spot monitor
- ✗ Lane departure
- ✗ ABS
- ✓ Electronic stability
Fuel economy (EPA)
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.
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) | $18,998 | 4 | — |
| 2017 Porsche 911 | $110,336 | 7 | +$91,338 |
| 2019 Ford Mustang | $17,856 | 6 | −$1,142 |
| 2020 Mercedes-Benz C-Class | $27,067 | 5 | +$8,069 |
| 2020 BMW M4 | $43,888 | 5 | +$24,890 |
| 2020 BMW M240i | $28,384 | 4 | +$9,386 |
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.
