2018-2021 Mini Hatch (F56 facelift ) 3-door Cooper 1.5 (136 Hp) Steptronic

The Mini Hatch (F56) facelift, specifically the 3-door Cooper 1.5 with the Steptronic automatic transmission, represents a significant iteration of the modern Mini lineup. Introduced in 2018 and continuing through January 2021, this variant occupied a key position within the F56 generation, offering a balance between performance, fuel efficiency, and accessibility. It built upon the success of the F56 platform – launched in 2014 – which aimed to recapture the spirit of the original Mini while incorporating contemporary technology and safety features. This particular model aimed to broaden the appeal of the Mini brand to a wider audience seeking a premium small car experience with the convenience of an automatic gearbox.

Technical Specifications

Brand Mini
Model Hatch
Generation Hatch (F56, facelift 2018) 3-door
Type (Engine) Cooper 1.5 (136 Hp) Steptronic
Start of production 2018
End of production January, 2021
Powertrain Architecture Internal Combustion engine
Body type Hatchback
Seats 4
Doors 3
Fuel consumption (urban) 6.3-6.4 l/100 km (37.3 – 36.8 US mpg, 44.8 – 44.1 UK mpg, 15.9 – 15.6 km/l)
Fuel consumption (extra urban) 4.5-4.6 l/100 km (52.3 – 51.1 US mpg, 62.8 – 61.4 UK mpg, 22.2 – 21.7 km/l)
Fuel consumption (combined) 5.1-5.2 l/100 km (46.1 – 45.2 US mpg, 55.4 – 54.3 UK mpg, 19.6 – 19.2 km/l)
CO2 emissions 117-119 g/km
Fuel Type Petrol (Gasoline)
Acceleration 0 – 100 km/h 8 sec
Acceleration 0 – 62 mph 8 sec
Acceleration 0 – 60 mph 7.6 sec
Maximum speed 210 km/h (130.49 mph)
Emission standard Euro 6 d
Weight-to-power ratio 8.5 kg/Hp, 117.2 Hp/tonne
Weight-to-torque ratio 5.3 kg/Nm, 189.7 Nm/tonne
Power 136 Hp @ 4500-6500 rpm
Torque 220 Nm @ 1480-4200 rpm (162.26 lb.-ft. @ 1480-4200 rpm)
Engine layout Front, Transverse
Engine Model/Code B38A15A
Engine displacement 1499 cm3 (91.47 cu. in.)
Number of cylinders 3
Engine configuration Inline
Cylinder Bore 82 mm (3.23 in.)
Piston Stroke 94.6 mm (3.72 in.)
Compression ratio 11:1
Number of valves per cylinder 4
Fuel injection system Direct injection
Engine aspiration Twin-power turbo, Intercooler
Engine oil capacity 4.25 l (4.49 US qt | 3.74 UK qt)
Coolant 5.7 l (6.02 US qt | 5.02 UK qt)
Kerb Weight 1160 kg (2557.36 lbs.)
Max. weight 1595 kg (3516.37 lbs.)
Max load 435 kg (959.01 lbs.)
Trunk (boot) space – minimum 211 l (7.45 cu. ft.)
Trunk (boot) space – maximum 731 l (25.82 cu. ft.)
Fuel tank capacity 40 l (10.57 US gal | 8.8 UK gal)
Max. roof load 60 kg (132.28 lbs.)
Length 3821 mm (150.43 in.)
Width 1727 mm (67.99 in.)
Height 1414 mm (55.67 in.)
Wheelbase 2495 mm (98.23 in.)
Front track 1501 mm (59.09 in.)
Rear (Back) track 1501 mm (59.09 in.)
Ride height (ground clearance) 143 mm (5.63 in.)
Drag coefficient (Cd) 0.29
Minimum turning circle (turning diameter) 10.8 m (35.43 ft.)
Drivetrain Architecture The Internal combustion engine (ICE) drives the front wheels of the vehicle.
Drive wheel Front wheel drive
Number of gears and type of gearbox 7 gears, automatic transmission Steptronic
Front suspension Independent, type McPherson with coil spring and anti-roll bar
Rear suspension Independent multi-link suspension
Front brakes Ventilated discs
Rear brakes Disc

Powertrain & Engine Architecture

At the heart of the F56 Cooper 1.5 Steptronic lies the BMW Group’s B38A15A 1.5-liter three-cylinder turbocharged engine. This engine is a member of the modular B-series engine family, known for its efficiency and surprisingly robust power output for its size. The B38 utilizes direct fuel injection, operating at pressures up to 250 bar, and a single twin-scroll turbocharger with an intercooler to minimize turbo lag and maximize boost. The engine’s valvetrain employs BMW’s VALVETRONIC technology, a fully variable valve lift system, allowing for precise control of airflow and optimized combustion. The Steptronic transmission is a 7-speed dual-clutch transmission (DCT), offering quick and smooth gear changes. This DCT is known for its efficiency and responsiveness, contributing to the car’s overall driving experience.

Driving Characteristics

The 136 hp and 220 Nm (162 lb-ft) of torque delivered by the 1.5-liter engine, coupled with the 7-speed Steptronic transmission, provide a surprisingly sprightly driving experience. While not as overtly powerful as the Cooper S variants, the 1.5 Cooper offers ample power for everyday driving and spirited maneuvers. The Steptronic transmission is programmed for both efficiency and performance, with quick shifts in Sport mode and smoother transitions in Comfort mode. Acceleration from 0 to 60 mph takes approximately 7.6 seconds, and the car reaches a top speed of 130 mph. Compared to the manual transmission version, the Steptronic offers greater convenience, particularly in urban environments, but some driving purists may find it slightly less engaging. The gear ratios are tuned to prioritize fuel economy, but the engine still provides sufficient power for overtaking and highway cruising.

Equipment & Trim Levels

The Cooper 1.5 Steptronic typically came equipped with a generous array of standard features. These included air conditioning, a 6.5-inch infotainment system with Bluetooth connectivity, USB ports, and a multi-function steering wheel. Safety features such as ABS, stability control, and multiple airbags were also standard. Interior upholstery was typically cloth, with options for leather upgrades. Optional extras included a larger infotainment screen, navigation system, panoramic sunroof, and various styling packages. The trim level sat in the mid-range of the F56 lineup, offering a step up from the base Cooper models in terms of features and refinement.

Chassis & Braking

The F56 chassis utilizes a McPherson strut front suspension and a multi-link rear suspension, providing a comfortable yet sporty ride. The suspension is tuned to balance handling and ride quality, making the car enjoyable to drive on both smooth and rough roads. The Cooper 1.5 Steptronic features ventilated front disc brakes and solid rear disc brakes, providing adequate stopping power for its weight and performance. Electric power steering provides precise and responsive steering feel. The car’s relatively low weight – around 2557 lbs – contributes to its agility and handling characteristics.

Market Reception & Comparison

The Mini Cooper 1.5 Steptronic was generally well-received by automotive critics. It was praised for its fuel efficiency, comfortable ride, and stylish design. However, some reviewers noted that the engine could feel slightly strained at higher speeds or when fully loaded. Compared to the manual transmission version, the Steptronic offered greater convenience but slightly less driver engagement. In terms of fuel economy, the 1.5 Cooper Steptronic typically achieved around 46 mpg combined, making it a competitive option in its class. Reliability was generally good, although some owners reported minor issues with the infotainment system and occasional turbocharger concerns.

Legacy

The B38 engine and Steptronic transmission combination proved to be a reliable and efficient powertrain. While not without its minor quirks, the 1.5 Cooper Steptronic has maintained a solid reputation in the used car market. Its blend of style, practicality, and fuel efficiency continues to appeal to buyers seeking a premium small car. The F56 generation, and this variant in particular, helped to solidify Mini’s position as a desirable and fashionable brand, attracting a new generation of enthusiasts.

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