Review: 2021 BMW X4 (G02 LCI, facelift 2021) 20i (184 Hp) Mild Hybrid xDrive Steptronic

A comprehensive review of the 2021 BMW X4, exploring its features, performance, and suitability for various lifestyles.

Olivia Harper | Jan 29, 2025 | 8 minutes
Review: 2021 BMW X4 (G02 LCI, facelift 2021) 20i (184 Hp) Mild Hybrid xDrive Steptronic

The 2021 BMW X4 is a stylish and sporty option in the luxury SUV market, offering a blend of performance, comfort, and technology. With its recent facelift, the X4 has been updated to include a mild hybrid system, enhancing its efficiency and driving dynamics. This review will guide you through the key features of the BMW X4, helping you determine if it's the right vehicle for your needs.

Understanding the BMW X4's Key Features

Before diving into the specifics, let's clarify some essential terms. The BMW X4 is classified as a Sports Activity Coupe (SAC), which means it combines the high seating position and versatility of an SUV with the sleek design of a coupe. The '20i' in its name refers to the engine type, a 2.0-liter inline-four engine producing 184 horsepower. The 'Mild Hybrid' system is a technology that uses a small electric motor to assist the engine, improving fuel efficiency and reducing emissions. The 'xDrive' indicates BMW's all-wheel-drive system, providing better traction and stability.

Performance and Driving Experience

The 2021 BMW X4 20i is powered by a 2.0-liter turbocharged engine, delivering 184 horsepower and 300 Nm of torque (which is a measure of rotational force). This setup allows the X4 to accelerate from 0 to 100 km/h (0 to 62 mph) in 8.4 seconds, reaching a top speed of 215 km/h (133.59 mph). The mild hybrid system adds an extra 11 horsepower, enhancing acceleration and efficiency.

Fuel consumption is rated between 7.5 to 8.4 liters per 100 kilometers (31.36 - 28 US mpg), making it relatively efficient for its class. The X4 meets the Euro 6d emission standard, ensuring it adheres to strict environmental regulations.

Suitability for Different Lifestyles

City Driving

The BMW X4's compact dimensions and all-wheel-drive system make it well-suited for urban environments. Its elevated ride height provides excellent visibility, while the mild hybrid system aids in stop-and-go traffic, improving fuel efficiency.

Long-Distance Travel

For those who frequently embark on road trips, the X4 offers a comfortable and quiet ride. The spacious interior and ample trunk space (525 liters, expandable to 1430 liters) ensure you can carry all your essentials. However, its fuel consumption might be a consideration for long journeys.

Family Use

With seating for five and a range of safety features, the X4 is a viable option for families. The rear seats offer adequate space for children, and the trunk can accommodate strollers and other gear. However, taller passengers might find the rear headroom slightly limited due to the coupe-like roofline.

Single Ownership

For singles or couples, the X4 provides a blend of luxury and practicality. Its sporty design and performance make it an attractive choice for those who value style and driving pleasure.

Adventure Lifestyles

While the X4 isn't a hardcore off-roader, its all-wheel-drive system and decent ground clearance (204 mm) allow it to handle light off-road conditions and snowy roads with ease. The towing capacity of up to 2400 kg with brakes also makes it suitable for towing small trailers or boats.

Strengths and Weaknesses

  • Strengths: Stylish design, comfortable ride, advanced technology, mild hybrid efficiency.
  • Weaknesses: Limited rear headroom, higher fuel consumption compared to some competitors.

Conclusion

The 2021 BMW X4 20i Mild Hybrid xDrive Steptronic is a versatile and stylish choice for those seeking a luxury SUV with sporty characteristics. Its mild hybrid system enhances efficiency, making it suitable for both city driving and long-distance travel. While it may not be the best option for large families or extreme off-road adventures, it excels in providing a balanced driving experience for singles, couples, and small families. Consider what features matter most to you, and whether the X4's blend of style and performance aligns with your lifestyle needs.

Specifications Table

AttributeDetails
GenerationX4 (G02 LCI, facelift 2021)
Modification (Engine)20i (184 Hp) Mild Hybrid xDrive Steptronic
Powertrain ArchitectureMHEV (Mild Hybrid Electric Vehicle)
Body TypeSAC
Seats5
Doors5
Combined Fuel Consumption7.5-8.4 l/100 km
CO2 Emissions170-190 g/km
Fuel TypePetrol (Gasoline)
Acceleration (0-100 km/h)8.4 sec
Maximum Speed215 km/h
Emission StandardEuro 6d
Electric Motor Power11 Hp
Engine Displacement1998 cm3
Number of Cylinders4
Engine ConfigurationInline
Power Output184 Hp
Torque300 Nm
Compression Ratio11:1
Fuel Injection SystemDirect injection
Engine AspirationTwin-power turbo, Intercooler
Kerb Weight1800 kg
Max Load620 kg
Trunk Space (Minimum and Maximum)525 l / 1430 l
Fuel Tank Capacity65 l
Length4751 mm
Width1918 mm
Height1621 mm
Wheelbase2864 mm
Drive Wheel SystemAll wheel drive (4x4)
Number of Gears (Transmission Type)8 gears, automatic transmission Steptronic
Front SuspensionSpring Strut
Rear SuspensionIndependent multi-link suspension
Front BrakesVentilated discs
Rear BrakesVentilated discs
Assisting SystemsABS (Anti-lock braking system)
Power SteeringElectric Steering
Tire Size225/60 R18
Wheel Rims Size7J x 18
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