BMW X4 vs X6: Comparing Performance, Features, and Design

Patrick Oziegbe
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When deciding between the BMW X4 and X6, it’s essential to consider your needs and preferences. These luxury crossover vehicles offer unique driving experiences with distinct features and capabilities.

In this comparison, we will focus on size, design, and pricing of both models to help you make an informed decision.

You’ll notice that the X4, based on the BMW X3 platform, is a more compact vehicle – perfect for those who prefer a smaller yet stylish ride.

On the other hand, the X6 is based on the more spacious BMW X5 platform, making it an ideal choice for families or those seeking a larger ride.

With this information, you can now weigh the advantages of each model and determine which suits you best. Also here are few reported issues of X4 BMW older versions cars!

BMW X4 and X6

Exterior Design and Dimensions

When looking at the BMW X4 and X6, it’s essential to examine their exterior design and dimensions.

Both of these luxury SUVs are sports activity coupes, but there are differences in size and styling that may influence your choice.

Size Comparison

Length 187.6 inches 194.8 inches
Width 75.5 inches 78.9 inches
Height Similar to X3 Taller than X4
Cargo Area Smaller than X6 More spacious than X4
Wheelbase 112.1 inches 117.1 inches
Exterior Colors Wide variety of options Wide variety of options
The BMW X4 has a length of 187.6 inches and a width of 75.5 inches. This makes it over seven inches shorter and three inches narrower than the BMW X6, which is 194.8 inches long and 78.9 inches wide.

In comparison, the X4 is slightly longer and wider than the X3, while the X6 is somewhere between the dimensions of an X5 and X7, giving it a more substantial presence on the road.

In terms of height, the X4 measures about the same as the X3, while the X6 is somewhat taller. This difference in size affects the cargo volume as well.

The X4 has a slightly smaller cargo area, and the X6 has a more spacious one. However, it’s important to consider your cargo needs – if you don’t require much extra space, the X4 might be a better fit for you.

The wheelbase of the X4 stands at 112.1 inches, while the X6 sits on a longer 117.1-inch wheelbase.

This difference in wheelbase provides the X6 with a more stable ride and may contribute to improved handling, especially when cornering.

When it comes to exterior colors, both the X4 and X6 offer a wide variety of options to suit your personal taste.

With shades ranging from subtle Alpine White to more vibrant options like Flamenco Red, you can customize your SUV with a hue that reflects your personality.

In conclusion, the exterior design and dimensions of the BMW X4 and X6 offer distinct advantages depending on your preferences and requirements.

Interior Features and Space

Infotainment Systems

Both the BMW X4 and X6 come with high-quality infotainment systems to keep you entertained on the road. Enjoy seamless connectivity with power windows and power door locks.

Seating Comfort and Material Choices

Your comfort is a priority in the BMW X4 and X6. Choose from various color options such as Aventurin Red Metallic, Black, Cognac, and Tacora Red. The Vernasca leather upholstery offers a luxurious feel.

You’ll find headroom and legroom sufficient for front passengers, with 40.3 inches and 40.7 inches in the X4, and 39.3 inches and 40.4 inches in the X6.

Rear passengers may have slightly less space, but the cabin remains comfortable for both models.

Performance and Handling

Engine Options and Power

The BMW X4 offers a 2.0L Turbo Inline-4 Gas engine, whereas the X6 comes with a more powerful 3.0L Turbo Inline-6 Gas engine. You’ll experience better acceleration and top speed with the X6’s engine.


Both models enjoy an impressive, well-mannered handling due to their advanced suspension systems. You can expect a smooth ride and tight cornering in either vehicle.


The X4 and X6 both feature precise, responsive steering systems that give you confidence when navigating winding roads or maneuvering in tight spaces.


Equipped with high-performance braking systems, both the X4 and X6 provide excellent stopping power to ensure your safety during spirited driving.

Practicality and Cargo Space

Cargo Area

When looking at cargo space, the BMW X6 offers more compared to the X4. It’s more spacious for passengers and cargo, making it the more practical choice among the two SUVs. This is mainly because it is a full-sized SUV.


Despite the X6’s advantage in cargo space, the X4 still holds its own in terms of interior space, providing great comfort.

In terms of practicality, both the X4 and X6 have their strong suits and offer seating for 5 passengers.

Remember to consider the cargo needs and versatility aspects before making a decision between the two models.

Pricing and Value

Luxury Features

The 2023 BMW X4 offers a luxury experience at a more accessible price point. With a starting price of $54,200, you can enjoy premium features and performance.


In comparison, the 2023 BMW X6 comes with a higher starting price of $71,095. This model boosts luxury and performance, but it might not be as affordable for your budget.

Remember to consider what features and pricing best suit your needs when making a decision.

Fuel Efficiency and Mileage

When comparing the fuel efficiency of the BMW X4 and BMW X6, you’ll notice a slight difference.

The X4 offers a combined fuel economy of 24 MPG, whereas the X6 has a combined fuel economy of 23 MPG.

With a city average of 21 MPG and a highway average of 28 MPG for the X4, you might appreciate the slightly better efficiency, especially on longer trips.

The difference is minimal, so it isn’t a significant deciding factor between the two.

Your BMW X4 has a fuel tank capacity of 17.2 gallons, allowing you to travel longer distances without stopping often at gas stations.

Safety and Technology

Driver Assistance Systems

Both the 2023 BMW X4 and 2023 BMW X6 offer impressive safety features and technology. When it comes to driver assistance systems, you can expect advanced features such as:

  • Lane Departure Warning: alerts you when you’re unintentionally drifting out of your lane.
  • Adaptive Cruise Control: helps maintain a safe distance between your vehicle and the one ahead.
  • Automatic Emergency Braking: automatically applies the brakes to help prevent a collision or minimize its impact.

The vehicles also come with state-of-the-art infotainment systems, providing you with a seamless multimedia experience.

You’ll enjoy features such as high-resolution displays, user-friendly interfaces, and smartphone integration.

Additionally, premium audio systems ensure a top-of-the-line listening experience for your favorite tunes and radio stations.

Competitions and Variants

X4 vs X6 M

When comparing the 2020 BMW X4 and the X6 M Competition, you’ll notice a few differences.

The X6 M Competition offers a more powerful engine, providing a thrilling driving experience, while the X4 is more affordable and still delivers excellent performance.

X4 vs X3

Comparing the 2020 BMW X4 to the BMW X3, you’ll find they share many similarities, such as their drivetrain and transmission.

The X4 has a sportier design and a slightly sloped roofline, whereas the X3 focuses more on practicality with a traditional SUV shape.

Keep in mind that the 2020 BMW X6 comes with air suspension, providing a comfortable ride and improved handling.

Dimensions and Capacities

In terms of dimensions, the BMW X4 is 187.6 inches long and 75.5 inches wide, while the BMW X6 is slightly bigger at 194.8 inches long and 78.9 inches wide.

Comparing passenger volume, you’ll notice that the X4 offers less space than the X6. Additionally, the X6 has a larger fuel tank capacity of 22.4 gallons compared to the X4’s 17.2 gallons.

When it comes to passenger comfort, the X4 provides slightly less headroom and legroom in both the front and second rows.

Furthermore, shoulder room in the X6 is more generous than in the X4, which means your passengers will have more space to enjoy.

Frequently Asked Questions

What are the main differences between BMW X4 and X6?

The most significant difference between the BMW X4 and X6 is their size. The X4 is a compact vehicle based on the X3 platform, while the X6 is a midsize vehicle that is based on the X5 platform.

Which is more fuel efficient, the BMW X4 or X6?

The BMW X4 is generally more fuel-efficient than the X6, thanks to its smaller size and lighter weight. However, specific fuel efficiency figures may vary depending on the engine options chosen for each model.

How do the interiors of the X4 and X6 compare?

Both the X4 and X6 are known for their luxurious interiors, featuring premium materials and exceptional craftsmanship. Seating is comfortable and supportive, with ample headroom and legroom. The main difference is that the X6 offers more interior space due to its larger size.

Which model has better performance, the X4 M40i or the X6 M50i?

The X4 M40i is a sporty, high-performance variant of the X4, powered by a 3.0-liter inline-6 engine that produces 382 horsepower.

In comparison, the X6 M50i is a more powerful model with a 4.4-liter V8 engine that generates 523 horsepower. The X6 M50i delivers a faster acceleration and higher top speed than the X4 M40i.

How do the X4 and X6 differ in terms of cargo space?

Due to their size differences, the X4 has less cargo space compared to the X6. The X4 offers around 18.5 cubic feet of cargo capacity, while the X6 provides nearly 27 cubic feet of space. Both models’ cargo capacities can be expanded with the rear seats folded down.

Do both X4 and X6 have similar features and technology?

Yes, both the X4 and X6 are equipped with similar features and technology, such as touchscreen infotainment systems, smartphone integration, and advanced driver assistance systems.

Specific options and packages may vary by model and trim level, so it’s essential to check the details for the exact configuration you are considering.


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