The Mini Hatch (F56) facelift, specifically the 3-door One 1.5 (102 hp) Steptronic model, represents a key iteration within the third generation of the iconic British small car. Introduced in 2018, this variant aimed to provide an accessible entry point into the modern Mini lineup, blending the brand’s signature styling and handling characteristics with a focus on fuel efficiency and ease of use. It falls within the F56 chassis code, which underpinned a significant redesign of the Mini, moving it towards a more modular platform shared with BMW models. This particular trim level served as the base model for the 3-door hatchback, positioned below the Cooper and Cooper S variants.
Technical Specifications
| Brand | Mini |
| Model | Hatch |
| Generation | Hatch (F56, facelift 2018) 3-door |
| Type (Engine) | One 1.5 (102 Hp) Steptronic |
| Start of production | 2018 |
| End of production | 2018 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Hatchback |
| Seats | 4 |
| Doors | 3 |
| Fuel consumption (urban) | 5.7-6.0 l/100 km (41.3 – 39.2 US mpg) |
| Fuel consumption (extra urban) | 4.2-4.5 l/100 km (56 – 52.3 US mpg) |
| Fuel consumption (combined) | 4.8-5.0 l/100 km (49 – 47 US mpg) |
| CO2 emissions | 109-114 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 10.2 sec |
| Acceleration 0 – 62 mph | 10.2 sec |
| Acceleration 0 – 60 mph | 9.7 sec |
| Maximum speed | 195 km/h (121.17 mph) |
| Emission standard | Euro 6 |
| Weight-to-power ratio | 11.2 kg/Hp |
| Weight-to-torque ratio | 6 kg/Nm |
| Power | 102 Hp @ 3900-6500 rpm |
| Torque | 190 Nm @ 1350-3600 rpm (140.14 lb.-ft. @ 1350-3600 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 | 1140 kg (2513.27 lbs.) |
| Max. weight | 1600 kg (3527.4 lbs.) |
| Max load | 460 kg (1014.13 lbs.) |
| Trunk (boot) space – minimum | 211 l (7.45 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 | 10.8 m (35.43 ft.) |
| Drivetrain Architecture | 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 |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
| Tires size | 175/65 R15 84H |
| Wheel rims size | 5.5J x 15 |
Powertrain & Engine Architecture
The heart of the One 1.5 Steptronic is the BMW-developed B38A15A 1.5-liter inline three-cylinder engine. This engine utilizes direct fuel injection and a single twin-scroll turbocharger, delivering 102 horsepower and 190 Nm (140 lb-ft) of torque. The turbocharger design helps to minimize turbo lag and provide a relatively responsive power delivery. The engine features a relatively high compression ratio of 11:1, contributing to its efficiency. The ‘Steptronic’ transmission refers to a 7-speed dual-clutch transmission (DCT), offering quick and smooth gear changes. This DCT is a key component in balancing performance and fuel economy, providing both automatic convenience and the ability for the driver to manually select gears when desired.
Driving Characteristics
The 1.5-liter engine, paired with the 7-speed Steptronic transmission, provides adequate, though not exhilarating, performance. Acceleration from 0-60 mph takes around 9.7 seconds, and the top speed is 195 km/h (121 mph). The DCT transmission is well-programmed, offering smooth upshifts and downshifts in automatic mode. In manual mode, the transmission responds quickly to paddle shifter inputs. Compared to the more powerful Cooper and Cooper S models, the One 1.5 feels noticeably less potent, particularly during overtaking maneuvers. However, its lighter weight and efficient engine contribute to better fuel economy. The gear ratios are tuned for efficiency, prioritizing fuel savings over outright acceleration.
Equipment & Trim Levels
The One 1.5 Steptronic typically came equipped with a respectable level of standard features, including air conditioning, power windows, a basic infotainment system with Bluetooth connectivity, and alloy wheels. Safety features such as ABS, stability control, and multiple airbags were also standard. Optional extras included a more advanced infotainment system with navigation, a panoramic sunroof, heated seats, and various styling packages. Interior upholstery was typically cloth, with options for leather upgrades. The dashboard layout was consistent with other F56 models, featuring a centrally mounted infotainment screen and a distinctive circular instrument cluster.
Chassis & Braking
The F56 Mini Hatch utilizes a McPherson strut front suspension and a multi-link rear suspension, providing a firm yet comfortable ride. The One 1.5 model typically featured smaller wheels and tires compared to the higher-spec variants, contributing to a slightly softer ride quality. The braking system consisted of ventilated discs at the front and solid discs at the rear. ABS (Anti-lock Braking System) was standard. The suspension tuning was geared towards providing agile handling, a hallmark of the Mini brand, but the One 1.5’s lower power output meant that the chassis wasn’t being fully exploited.
Market Reception & Comparison
The Mini One 1.5 Steptronic was generally well-received as an affordable and stylish entry point into the Mini range. Critics praised its fuel efficiency and comfortable ride, but noted its lack of outright performance compared to the Cooper models. Fuel economy figures of around 49-47 US mpg combined were considered competitive for its class. Reliability was generally good, although some owners reported minor issues with the infotainment system. Compared to the manual transmission version of the One 1.5, the Steptronic offered greater convenience, but at the expense of slightly reduced fuel economy and a less engaging driving experience.
Legacy
The B38 engine family, including the 1.5-liter variant used in the One 1.5 Steptronic, has proven to be relatively reliable. While not without its occasional issues (such as potential oil leaks), the engine is generally considered durable and capable of high mileage with proper maintenance. On the used car market, the One 1.5 Steptronic represents a relatively affordable way to experience the Mini brand. Its combination of style, fuel efficiency, and ease of use makes it a popular choice for urban commuters and first-time car buyers. The F56 generation Mini, as a whole, has established itself as a modern classic, and the One 1.5 Steptronic remains a viable and appealing option for those seeking a small, premium hatchback.
