2015 MINI Cooper S Convertible — Full Specifications
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The 2015 MINI Cooper S Convertible is a coupe powered by a 1.6L 4-cyl turbo premium gasoline engine. Its most fuel-efficient configuration returns around 35 mpg (UK) / 29 mpg (US EPA) combined, with 34–35 mpg (UK) across all configurations. Owners often keep a MINI Cooper S Convertible workshop manual to hand for servicing and repairs.
Compared with the 2014 MINI Cooper S Convertible: Fuel economy is essentially unchanged at around 35 mpg (UK) combined. The engine line-up listed by EPA is unchanged.
Full Specifications
| Engine | 1.6L 4-cyl turbo |
|---|---|
| Transmission | Manual 6-spd |
| Fuel Type | Premium Gasoline |
| Powertrain | Conventional |
| Drive | Front-Wheel Drive |
| Body Style | Coupe |
| Passenger Volume (EPA) | 72 cu ft (2,039 L) |
| Luggage Volume (EPA) | 6 cu ft (170 L) |
| Fuel Economy (UK) | 35 combined / 31 urban / 41 extra-urban mpg |
| Fuel Economy (US EPA) | 29 combined / 26 city / 34 highway mpg |
| CO₂ Emissions | 190 g/km |
| EPA Greenhouse Gas Score | 7 / 10 (10 = lowest emissions) |
| EPA Est. Annual Fuel Cost | $2,850 (15,000 mi/yr, US prices) |
Engine & Transmission Options
EPA lists 2 configurations for the 2015 MINI Cooper S Convertible, all with the 1.6L 4-cyl turbo engine. Combined fuel economy ranges from 28 to 29 mpg (US), or 34 to 35 mpg (UK), depending on engine, transmission and drive. The headline figures at the top of this page describe the most fuel-efficient configuration.
| Engine | Transmission | Drive | MPG (UK) | MPG (US) | CO₂ g/km | Fuel cost / yr |
|---|---|---|---|---|---|---|
| 1.6L 4-cyl turbo | Automatic (S6) | Front-Wheel Drive | 34 | 28 (25/33) | 196 | $2,950 |
| 1.6L 4-cyl turbo | Manual 6-spd | Front-Wheel Drive | 35 | 29 (26/34) | 190 | $2,850 |
MPG (US) shows combined, with city/highway in brackets. Highlighted row = the configuration used for the headline figures. Source: US EPA fueleconomy.gov.
EPA measures interior passenger volume at 72 cubic feet (about 2,039 litres) and luggage volume at 6 cubic feet (about 170 litres). These are US EPA interior-volume figures; they are measured differently from the boot capacity numbers UK manufacturers quote.
Owner Essentials for the 2015 MINI Cooper S Convertible
Running Costs: 2015 MINI Cooper S Convertible
Covering around 8,000 miles a year in a 2015 MINI Cooper S Convertible at 35 mpg combined, expect roughly 1,039 litres of fuel annually — multiply by your local price per litre for a cost estimate. For US owners, the EPA estimates about $2,850 a year in fuel for the most efficient configuration (15,000 miles, national average prices). Work out exact fuel costs with the fuel cost calculator on 247Calculators.
Convert between MPG and L/100km with the unit converters on 247QuickTools. Not sure what tyre size fits? 247TyreCheck explains tyre sizing.
Only need this car occasionally? See our buy vs rent comparison.
2015 MINI Cooper S Convertible Safety Ratings (NHTSA)
No NHTSA crash-test rating is on record for this model year. The NHTSA rates only a subset of vehicles each year; you can browse every rated vehicle on our NHTSA Safety Ratings hub.
Recalls & Owner Complaints (NHTSA)
NHTSA lists 6 safety recall campaigns that include the 2015 MINI Cooper S Convertible (as of 6 October 2026). Most affected areas: Seats (2), Air bags (1), Structure (1). A campaign often covers several model years or models, so check your own VIN to see whether your car is affected.
- Seats — campaign 15V739000, reported 9 November 2015. Risk: Inappropriate air bag activation/deactivation can increase the risk of occupant injury in the event of a vehicle crash.
- Air bags — campaign 15V628000, reported 7 October 2015. Risk: In the event of a vehicle crash, an air bag that does not deploy properly increases the risk of injury to the front seat passenger.
- Structure — campaign 15V450000, reported 17 July 2015. Risk: If the side impact performance requirements are not met, rear seat passengers may be at a higher risk of injury during a crash.
- Equipment — campaign 15V034000, reported 26 January 2015. Risk: The maximum weight listed on the label is incorrect (too low) and therefore does not comply with Federal Regulations.
Showing the 4 most recent of 6 campaigns.
Owners have filed 74 complaints with NHTSA about the 2015 MINI Cooper S Convertible. The most-reported areas are Engine (17), Fuel/propulsion system (13), Electrical system (12). Complaints include 3 reported crashes, 2 reported fires, 1 reported injury. That is well above the median of 22 complaints across the 13 MINI Cooper S Convertible model years in our data.
Used-buyer checklist for the 2015 MINI Cooper S Convertible
Based on where NHTSA recalls and owner complaints cluster for this model year, these are the areas worth checking before you buy:
- Engine (17 owner complaints) — Listen for unusual noise on a cold start, check for warning lights and ask for the service records.
- Seats (2 recall campaigns) — Check seat adjusters, head restraints and seat-mounted sensors work, and confirm seat recalls were completed.
- Fuel system (13 owner complaints) — Ask whether any fuel-pump or fuel-system recalls were completed, and watch for hard starting or stalling.
- Electrical system (12 owner complaints) — Test every switch, window, light and warning lamp on a test drive, and ask about battery or alternator replacements.
Source: US NHTSA recall and consumer-complaint databases, retrieved 6 October 2026. Complaints are unverified owner reports, not confirmed defects. Check any vehicle by VIN at nhtsa.gov/recalls, and see our guide to checking a used car for recalls.
How It Compares
How does the MINI Cooper S Convertible compare to similar coupes? For context, coupes in our database average around 25 mpg (UK) combined — this model's 35 mpg figure is 10 mpg better than that average. Its 190 g/km CO₂ figure is 88 g/km lower than the 278 g/km average for coupes on this site. This comparison is based on 1072 coupes in our dataset.
At 35 mpg (UK) combined it sits close to the 34 mpg average for MINI models in our database.
Of the 17 MINI Cooper S Convertible model years we cover, the 2015 ranks 8th for combined fuel economy on its best configuration (35 mpg UK combined, against a high of 36 mpg). See every MINI Cooper S Convertible year side by side.
Last updated: · Data: US EPA (fueleconomy.gov) and NHTSA safety ratings 18 July 2026; NHTSA recalls and complaints 6 October 2026; Wikidata & curated EU catalogue 18 July 2026; European generation and engine data from Wikipedia 7 October 2026
Vehicle data sourced from manufacturer specifications. Always verify with your vehicle handbook or a qualified mechanic. This is a reference tool, not professional advice.
Recommended Accessories for the 2015 MINI Cooper S Convertible
Frequently Asked Questions
What engine does the 2015 MINI Cooper S Convertible have?
It's fitted with a 1.6L 4-cyl turbo premium gasoline engine, paired with a manual 6-spd transmission.
What is the fuel economy of the 2015 MINI Cooper S Convertible?
The most efficient configuration returns around 35 mpg (UK) combined, or 29 mpg on the US EPA cycle. Across all configurations the UK combined figure runs from 34 to 35 mpg.
How much does the 2015 MINI Cooper S Convertible cost to fuel per year?
The US EPA estimates about $2,850 a year in fuel for the most efficient configuration, based on 15,000 miles of mixed driving and national average fuel prices. Your own cost will depend on mileage and local prices.
Does the 2015 MINI Cooper S Convertible have any recalls?
NHTSA lists 6 safety recall campaigns that include the 2015 MINI Cooper S Convertible (as of 6 October 2026). Most affected areas: Seats (2), Air bags (1), Structure (1). A campaign often covers several model years or models, so check your own VIN to see whether your car is affected.
What are the most common problems reported for the 2015 MINI Cooper S Convertible?
Among the 74 owner complaints filed with NHTSA, the most-reported areas are Engine (17 complaints), Fuel/propulsion system (13 complaints), Electrical system (12 complaints). Complaints are unverified owner reports, not confirmed defects, and raw counts rise with how many cars were sold.
How much interior and luggage space does the 2015 MINI Cooper S Convertible have?
EPA measures interior passenger volume at 72 cubic feet (about 2,039 litres) and luggage volume at 6 cubic feet (about 170 litres). These are US EPA interior-volume figures, which are measured differently from the UK boot-capacity numbers manufacturers quote.
Is the MINI Cooper S Convertible's fuel economy good for a coupe?
Yes — it returns around 35 mpg (UK) combined, against a same-body-style average of roughly 25 mpg among the coupes we track, making it one of the more efficient options in its class.