The Mini Countryman One D 1.5 (116 hp) Steptronic is a front-wheel-drive subcompact SUV produced by Mini from 2020 to July 2022 as part of the F60 facelift generation. Positioned as the entry-level diesel variant within the Countryman range, it offered a balance of fuel efficiency and practicality for buyers seeking a smaller, more economical option. This model aimed to provide a more accessible price point compared to the more powerful Cooper D and John Cooper Works Diesel trims, while still retaining the characteristic Mini styling and handling. It was primarily marketed in Europe and other regions where diesel engines remained popular.
Technical Specifications
| Brand | Mini |
| Model | Countryman |
| Generation | Countryman (F60, facelift 2020) |
| Type (Engine) | One D 1.5 (116 Hp) Steptronic |
| Start of production | 2020 |
| End of production | July, 2022 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | SUV |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 4.4-4.7 l/100 km (53.5 – 50 US mpg, 64.2 – 60.1 UK mpg, 22.7 – 21.3 km/l) |
| Fuel consumption (extra urban) | 3.9-4.0 l/100 km (60.3 – 58.8 US mpg, 72.4 – 70.6 UK mpg, 25.6 – 25 km/l) |
| Fuel consumption (combined) | 4.0-4.3 l/100 km (58.8 – 54.7 US mpg, 70.6 – 65.7 UK mpg, 25 – 23.3 km/l) |
| CO2 emissions | 106-112 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 11.2 sec |
| Acceleration 0 – 62 mph | 11.2 sec |
| Acceleration 0 – 60 mph | 10.6 sec |
| Maximum speed | 192 km/h (119.3 mph) |
| Emission standard | Euro 6d |
| Weight-to-power ratio | 12.6 kg/Hp, 79.2 Hp/tonne |
| Weight-to-torque ratio | 5.4 kg/Nm, 184.3 Nm/tonne |
| Power | 116 Hp @ 4000 rpm |
| Power per litre | 77.5 Hp/l |
| Torque | 270 Nm @ 1750-2250 rpm (199.14 lb.-ft. @ 1750-2250 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | B37C15A |
| Engine displacement | 1496 cm3 (91.29 cu. in.) |
| Number of cylinders | 3 |
| 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 | 4.8 l (5.07 US qt | 4.22 UK qt) |
| Kerb Weight | 1465 kg (3229.77 lbs.) |
| Max. weight | 2030 kg (4475.38 lbs.) |
| Max load | 565 kg (1245.61 lbs.) |
| Trunk (boot) space – minimum | 450 l (15.89 cu. ft.) |
| Trunk (boot) space – maximum | 1390 l (49.09 cu. ft.) |
| Fuel tank capacity | 51 l (13.47 US gal | 11.22 UK gal) |
| Max. roof load | 75 kg (165.35 lbs.) |
| Permitted trailer load with brakes (12%) | 1500 kg (3306.93 lbs.) |
| Permitted trailer load without brakes | 750 kg (1653.47 lbs.) |
| Permitted towbar download | 75 kg (165.35 lbs.) |
| Length | 4297 mm (169.17 in.) |
| Width | 1822 mm (71.73 in.) |
| Width including mirrors | 2001 mm (78.78 in.) |
| Height | 1557 mm (61.3 in.) |
| Wheelbase | 2670 mm (105.12 in.) |
| Front track | 1585 mm (62.4 in.) |
| Rear (Back) track | 1587 mm (62.48 in.) |
| Ride height (ground clearance) | 165 mm (6.5 in.) |
| Drag coefficient (Cd) | 0.30 |
| Minimum turning circle (turning diameter) | 11.4 m (37.4 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 |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
| Tires size | 205/65 R16 95W |
| Wheel rims size | 7J x 16 |
INTRODUCTION
The Mini Countryman One D 1.5 Steptronic, introduced with the 2020 facelift (LCI) of the F60 generation, represented a key offering in Mini’s compact SUV lineup. Built on the UKL2 platform – shared with other BMW Group vehicles – the Countryman aimed to blend Mini’s iconic design with increased practicality and space. The “One D” designation signified the base diesel engine option, targeting buyers prioritizing fuel economy and lower running costs. The Steptronic transmission refers to the 7-speed dual-clutch automatic gearbox, offering smooth and efficient gear changes. This variant was primarily sold in European markets and regions with favorable diesel policies.
Powertrain & Engine Architecture
At the heart of the Countryman One D is the BMW Group’s B37C15A 1.5-liter three-cylinder turbocharged diesel engine. This engine is part of the modular B-series engine family, known for its compact size and efficiency. It utilizes a common-rail direct injection system, delivering fuel at extremely high pressure for optimized combustion. The engine features a single turbocharger with an intercooler to enhance power and torque. The B37C15A produces 116 horsepower at 4000 rpm and 270 Nm (199 lb-ft) of torque between 1750 and 2250 rpm. The Steptronic 7-speed dual-clutch transmission (DCT) is a crucial component, providing quick and seamless gear shifts. This transmission is known for its efficiency and responsiveness, contributing to the vehicle’s overall fuel economy. The engine also incorporates a particulate filter to reduce emissions, meeting stringent Euro 6d standards.
Driving Characteristics
The 116 hp output and the Steptronic transmission deliver a comfortable, rather than sporty, driving experience. Acceleration from 0 to 62 mph takes around 11.2 seconds, and the top speed is 192 km/h (119 mph). The Steptronic transmission is programmed for fuel efficiency, often upshifting quickly to maintain lower engine speeds. While this contributes to good fuel economy, it can sometimes feel slightly hesitant during quick overtaking maneuvers. Compared to the more powerful Cooper D variants, the One D feels noticeably less responsive. The gear ratios are optimized for cruising, making it well-suited for long highway journeys. The front-wheel-drive configuration provides adequate traction in most conditions, but it lacks the all-weather capability of the optional ALL4 all-wheel-drive system.
Equipment & Trim Levels
The Countryman One D 1.5 Steptronic typically came equipped with a reasonable level of standard features. These included air conditioning, a 6.5-inch infotainment system with Bluetooth connectivity, and a leather-wrapped steering wheel. Safety features such as ABS, stability control, and multiple airbags were standard. Interior upholstery was typically cloth, with options for leather upgrades. Common optional extras included a larger infotainment screen, navigation system, parking sensors, automatic climate control, and a panoramic sunroof. Trim levels varied slightly depending on the market, but generally, the One D served as the base model, with the Cooper D and John Cooper Works Diesel offering more luxurious appointments and performance enhancements.
Chassis & Braking
The Countryman One D utilizes an independent suspension setup, with McPherson struts at the front and a multi-link system at the rear. This provides a comfortable ride quality, absorbing bumps and imperfections in the road effectively. The front brakes are ventilated discs, while the rear brakes are solid discs. The steering is electric power-assisted, offering a light and precise feel. Stabilizer bars are fitted to both the front and rear axles to reduce body roll during cornering. The suspension tuning is geared towards comfort rather than outright sportiness, prioritizing a smooth and refined driving experience. The 16-inch alloy wheels and 205/65 R16 tires contribute to the ride comfort and fuel efficiency.
Market Reception & Comparison
The Countryman One D 1.5 Steptronic was generally well-received by automotive critics as a practical and economical option within the Countryman range. Reviewers praised its fuel efficiency and comfortable ride, but noted its relatively modest performance compared to the higher-powered variants. Compared to the Cooper D, the One D offered a lower price point but sacrificed some performance and refinement. The Cooper D, with its more powerful engine, provided quicker acceleration and a more engaging driving experience. However, the One D’s lower running costs and adequate performance made it an attractive option for buyers prioritizing practicality and economy. Fuel economy figures of around 4.0-4.3 l/100 km (58.8-54.7 US mpg) were consistently reported.
Legacy
The B37C15A engine, while generally reliable, has been known to exhibit occasional issues with the diesel particulate filter (DPF), particularly in vehicles used primarily for short journeys. Regular servicing and the use of high-quality diesel fuel are crucial for maintaining the engine’s longevity. The Steptronic transmission is also generally reliable, but requires regular fluid changes to ensure smooth operation. In the used car market, the Countryman One D 1.5 Steptronic represents a relatively affordable entry point into the Mini Countryman range. Its fuel efficiency and practicality continue to appeal to buyers seeking a compact and economical SUV. However, potential buyers should be aware of the potential DPF issues and ensure the vehicle has been properly maintained.


