THE SPECS GUIDE

2018 Mini Cooper Convertible

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Specification S Convertible FWD WMWWG9C5-J Convertible FWD WMWWG5C5-J John Cooper Works Convertible FWD WMWWH9C5-J
Engine 2L 4-cyl 1.5L 3-cyl 2L 4-cyl
Power 189 hp 134 hp 228 hp
Drivetrain Front-wheel drive Front-wheel drive Front-wheel drive
Fuel Gasoline Gasoline Gasoline
Body Convertible Convertible Convertible
Seats 4 4 4
Doors 2-door 2-door 2-door
Median asking price $18,999 $17,030 $23,590
Price observations 10 27 5
Price sample updated Oct 18, 2026 Oct 18, 2026 Oct 18, 2026

Missing data does not mean a feature is absent. Prices are advertised asking prices for each pattern’s own sample, not completed sale prices or a trim-wide average.

EXPLORE THE LINEUP

Find your Cooper Convertible

Grouped by recorded trim, with engine and drive variants underneath. Open a variant to see every source pattern.

2018 Cooper Convertible

Convertible FWD

1 VIN pattern
1.5L 3-cyl · Gasoline · Front-wheel drive 1 pattern · View specs
WMWWG5C5-J → 500 VINs in our data

134 hp · Convertible · 4 seats

$17,030 median asking price

27 price observations · Updated Oct 18, 2026

2018 Cooper Convertible

John Cooper Works Convertible FWD

1 VIN pattern
2L 4-cyl · Gasoline · Front-wheel drive 1 pattern · View specs
WMWWH9C5-J → 78 VINs in our data

228 hp · Convertible · 4 seats

$23,590 median asking price

5 price observations · Updated Oct 18, 2026

2018 Cooper Convertible

S Convertible FWD

1 VIN pattern
2L 4-cyl · Gasoline · Front-wheel drive 1 pattern · View specs
WMWWG9C5-J → 685 VINs in our data

189 hp · Convertible · 4 seats

$18,999 median asking price

10 price observations · Updated Oct 18, 2026

Source: manufacturer specifications decoded through NHTSA vPIC, alongside VIN and listing records in our dataset. Trim groups are for browsing; shared labels do not establish identical equipment. Confirm options on the specific vehicle.

THE MARKET VIEW

What are 2018 Cooper Convertibles listed for?

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BEFORE YOU CHOOSE

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Fuel economy

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