The Mini Hatch (F56) facelift, specifically the 3-door Cooper SD 2.0 with the Steptronic automatic transmission, represents a refinement of the third-generation Mini, launched in 2014. Production of this particular variant ran during the 2018 model year, forming part of the mid-cycle refresh for the F56 platform. This model aimed to blend the iconic Mini design with modern diesel efficiency and convenience, targeting buyers seeking a premium small car experience with a focus on fuel economy and ease of driving. It occupied a mid-range position within the F56 lineup, offering a step up in performance and refinement from the Cooper models while remaining more accessible than the performance-oriented John Cooper Works variants.
Technical Specifications
| Brand | Mini |
| Model | Hatch |
| Generation | Hatch (F56, facelift 2018) 3-door |
| Type (Engine) | Cooper SD 2.0 (170 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) | 4.6-4.7 l/100 km (51.1 – 50 US mpg, 61.4 – 60.1 UK mpg, 21.7 – 21.3 km/l) |
| Fuel consumption (extra urban) | 3.9 l/100 km (60.3 US mpg, 72.4 UK mpg, 25.6 km/l) |
| Fuel consumption (combined) | 4.1-4.2 l/100 km (57.4 – 56 US mpg, 68.9 – 67.3 UK mpg, 24.4 – 23.8 km/l) |
| CO2 emissions | 109-110 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 7.2 sec |
| Acceleration 0 – 62 mph | 7.2 sec |
| Acceleration 0 – 60 mph | 6.8 sec |
| Maximum speed | 225 km/h (139.81 mph) |
| Emission standard | Euro 6 |
| Weight-to-power ratio | 7.3 kg/Hp, 137.1 Hp/tonne |
| Weight-to-torque ratio | 3.4 kg/Nm, 290.3 Nm/tonne |
| Power | 170 Hp @ 4000 rpm |
| Torque | 360 Nm @ 1500-2500 rpm (265.52 lb.-ft. @ 1500-2500 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | B47C20B |
| Engine displacement | 1995 cm3 (121.74 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 84 mm (3.31 in.) |
| Piston Stroke | 90 mm (3.54 in.) |
| Compression ratio | 16.5:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Diesel Commonrail |
| Engine aspiration | Turbocharger, Intercooler |
| Engine oil capacity | 5 l (5.28 US qt | 4.4 UK qt) |
| Coolant | 3.3 l (3.49 US qt | 2.9 UK qt) |
| Kerb Weight | 1240 kg (2733.73 lbs.) |
| Max. weight | 1700 kg (3747.86 lbs.) |
| Max load | 460 kg (1014.13 lbs.) |
| Trunk (boot) space – minimum | 211 l (7.45 cu. ft.) |
| Fuel tank capacity | 44 l (11.62 US gal | 9.68 UK gal) |
| Max. roof load | 60 kg (132.28 lbs.) |
| Length | 3850 mm (151.57 in.) |
| Width | 1727 mm (67.99 in.) |
| Height | 1414 mm (55.67 in.) |
| Wheelbase | 2495 mm (98.23 in.) |
| Front track | 1485 mm (58.46 in.) |
| Rear (Back) track | 1485 mm (58.46 in.) |
| Ride height (ground clearance) | 143 mm (5.63 in.) |
| Drag coefficient (Cd) | 0.33 |
| Minimum turning circle | 10.8 m (35.43 ft.) |
| Drivetrain Architecture | Front wheel drive |
| Number of gears and type of gearbox | 8 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 |
| Tires size | 195/55 R16 87W |
| Wheel rims size | 6.5J x 16 |
Powertrain & Engine Architecture
The heart of the Cooper SD is the BMW Group’s B47C20B 2.0-liter four-cylinder diesel engine. This engine is a member of the modular B-series engine family, known for its efficiency and refinement. It utilizes a common-rail direct injection system, delivering fuel at extremely high pressure for optimized combustion. The B47 features a single turbocharger with variable geometry turbine (VGT) technology and an intercooler, boosting power and torque while minimizing turbo lag. The engine produces 170 horsepower at 4,000 rpm and a substantial 360 Nm (265 lb-ft) of torque between 1,500 and 2,500 rpm. This broad torque curve is a key characteristic of the engine, providing strong pulling power across a wide range of engine speeds.
Paired with the engine is the Aisin-sourced 8-speed Steptronic automatic transmission. This transmission offers smooth and quick shifts, contributing to both performance and fuel efficiency. The Steptronic transmission allows for both fully automatic operation and manual gear selection via steering wheel-mounted paddles or the gear selector. The transmission’s gear ratios are tuned to maximize the engine’s torque output, providing brisk acceleration and relaxed cruising.
Driving Characteristics
The 170 hp Cooper SD Automatic delivers a surprisingly engaging driving experience. While not as overtly sporty as the John Cooper Works models, it offers ample power for everyday driving and confident overtaking. The strong low-end torque from the diesel engine makes it feel quicker than the horsepower figure suggests. The Steptronic transmission shifts smoothly and responsively, although it can occasionally feel hesitant during quick downshifts. Compared to the 6-speed manual transmission available on other Cooper SD models, the Steptronic offers greater convenience, particularly in urban traffic. However, the manual transmission generally provides a more direct and engaging driving experience. The automatic does slightly diminish fuel economy compared to the manual.
Equipment & Trim Levels
The Cooper SD Automatic typically came well-equipped as standard. Key features included air conditioning, a 6.5-inch infotainment system with Bluetooth connectivity, USB port, and Mini Connected services. Standard safety equipment included ABS, stability control, and multiple airbags. Interior upholstery was typically cloth, with options for leather upgrades. Available optional extras included a larger touchscreen infotainment system, navigation, a panoramic sunroof, heated seats, and a premium sound system. Trim levels could vary slightly depending on the market, but generally, the Cooper SD sat in a mid-range position, offering a good balance of features and price.
Chassis & Braking
The F56 Mini utilizes a McPherson strut front suspension and a multi-link rear suspension, providing a comfortable yet sporty ride. The suspension is tuned to offer a good balance between handling and ride quality. The Cooper SD typically featured slightly softer suspension settings compared to the JCW models. Braking duties are handled by ventilated discs at the front and solid discs at the rear. ABS and electronic brakeforce distribution are standard. The steering is electric power-assisted, providing precise and responsive steering feel.
Market Reception & Comparison
The Cooper SD Automatic was generally well-received by automotive critics. It was praised for its fuel efficiency, comfortable ride, and refined engine. However, some critics noted that the automatic transmission could occasionally feel sluggish. Compared to the petrol-powered Cooper models, the Cooper SD offered significantly better fuel economy and more torque. Compared to the Cooper D, the SD offered a substantial power increase. Reliability was generally good, although diesel particulate filter (DPF) issues could occur with infrequent long-distance driving.
Legacy
The F56 Cooper SD Automatic has proven to be a relatively reliable and durable vehicle. The B47 engine, while not without its potential issues (such as timing chain wear in some cases), is generally considered a robust unit. Today, these Minis are readily available on the used car market, offering a stylish and efficient option for buyers seeking a premium small car. Their continued popularity is a testament to the enduring appeal of the Mini brand and the practicality of the Cooper SD’s diesel powertrain.
