2021 MINI Cooper S Hardtop 4 door — Full Specifications

Reviewed by the 247VehicleCheck Data Team — automotive data reviewers

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36Combined MPG (UK)

2L 4-cylEngine

Premium GasolineFuel Type

N/AInsurance Group UK

N/ANHTSA Safety

204CO₂ g/km

Running gear matters most — before anything else, UK: check tyre prices at TirendoUS: check wheel & tyre prices at WheelHero for this car's fitment.

The 2021 MINI Cooper S Hardtop 4 door is a hatchback powered by a 2L 4-cyl premium gasoline engine, returning around 36 mpg (UK) / 30.0 mpg (US EPA) combined. Owners often keep a MINI Cooper S Hardtop 4 door workshop manual to hand for servicing and repairs.

Full Specifications

Engine	2L 4-cyl
Transmission	Manual 6-spd
Fuel Type	Premium Gasoline
Powertrain	Conventional
Drive	Front-Wheel Drive
Body Style	Hatchback
Seats	Data not available
Length	Data not available
Width	Data not available
Height	Data not available
Kerb Weight	Data not available
Fuel Economy (UK)	36 combined / 31 urban / 42 extra-urban mpg
Fuel Economy (US EPA)	30.0 combined / 26.0 city / 35.0 highway mpg
CO₂ Emissions	204 g/km

Owner Essentials for the MINI Cooper S Hardtop 4 door

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UK Running Costs

Insurance group not available — check with your insurer. At around 8,000 miles per year and 36 mpg combined, expect roughly 1010 litres of fuel annually — multiply by your local price per litre for a cost estimate. Work out exact fuel costs with the fuel cost calculator on 247Calculators. Keeping the car well maintained helps too — a decent car care kit protects resale value.

Convert between MPG and L/100km with the unit converters on 247QuickTools. Not sure what tyre size fits? 247TyreCheck explains tyre sizing.

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Safety Ratings (NHTSA)

NHTSA crash test data not available for this model year.

Last updated: 12 September 2026 · Data: US EPA (fueleconomy.gov) & NHTSA snapshots 18 July 2026; Wikidata & curated EU catalogue 18 July 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.

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Frequently Asked Questions

What engine does the 2021 MINI Cooper S Hardtop 4 door have?

It's fitted with a 2L 4-cyl premium gasoline engine, paired with a manual 6-spd transmission.

What is the fuel economy of the 2021 MINI Cooper S Hardtop 4 door?

It returns around 36 mpg (UK) combined, or 30.0 mpg on the US EPA cycle.

Does the 2021 MINI Cooper S Hardtop 4 door have a good safety rating?

NHTSA crash test data is not available for this model year.

How many seats does the 2021 MINI Cooper S Hardtop 4 door have?

Seating capacity data is not available for this model year. It's classed as a hatchback.