2018 Mini Cooper Convertible S
WMWWG9C51J3E39175
GREAT DEAL
· $3,736 below typical price
Exeter, NH
This 2018 Mini Cooper Convertible S is listed at $17,000 with 40,000 miles in Exeter, NH.
Market price range
Based on 4 comparable same-build listings — a small sample, treat the band as a rough guide · Market data as of October 6, 2026This vehicle: $17,000 — below the market range (typical price $20,736)
Asking $17,000 · typical market price $20,736 · based on 4 comparable same-build listings.
See all 2018 Mini Cooper Convertible prices — typical $20,736 →
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2018 Mini Cooper Convertible S for sale near ExeterNH
This car is the cheapest of 2 within 50 miles
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Active listing
Full listing history on VehiSales →| Dealer | Location | Price | Mileage | Listed | Seen |
|---|---|---|---|---|---|
| — | Exeter, NH 3833 | $17,000 | 40,000 mi | 2026-10-04 | 12 h ago |
Decoded from the VIN
NHTSA build data for WMWWG9C51J3E39175Full 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 September 26, 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 S (this car) | $17,000 | 4 | — |
| 2019 Porsche 911 | $130,237 | 6 | +$113,237 |
| 2019 Ford Mustang | $19,819 | 4 | +$2,819 |
| 2018 Audi A5 | $22,292 | 2 | +$5,292 |
| 2016 Chevrolet Corvette | $52,586 | 2 | +$35,586 |
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 | 464 | $46,924 | 100% | — |
| 2026 | 952 | $44,152 | 94% | 559 mi |
| 2025 | 56 | $36,998 | 79% | 8,315 mi |
| 2024 | 180 | $31,898 | 68% | 21,512 mi |
| 2023 | 70 | $29,998 | 64% | 26,818 mi |
| 2022 | 50 | $27,349 | 58% | 32,987 mi |
| 2021 | 35 | $26,798 | 57% | 37,263 mi |
| 2020 | 26 | $21,392 | 46% | 48,435 mi |
Units for sale — listings of each model year in the latest nightly market snapshot.