Compare performance (398 HP vs 659 HP), boot space and price (51,700 £ vs 71,600 £ ) at a glance. Find out which car is the better choice for you – BMW X3 or BMW iX?
All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.
As the automotive world steadily shifts towards sustainability and innovation, BMW showcases its versatility with two striking models: the BMW X3 and the BMW iX. In this article, we'll delve into the technical aspects of both cars and uncover the innovations that set them apart.
The BMW X3 and iX both embody the classic SUV silhouette but cater to different preferences regarding size and form. The X3, with a length range of 4708 to 4755 mm, offers a more compact and traditional appearance. The iX, on the other hand, extends to 4953 mm, embodying a broader and more futuristic design language with an expansive width of 1970 mm compared to the X3's 1920 mm.
BMW X3: The X3 offers diverse powertrain options, including diesel, petrol, mild hybrids, and plug-in hybrids. The horsepower ranges from a modest 184 HP in the petrol variant to a formidable 510 HP in high-performance models. Acceleration varies as well, with 0 to 100 km/h achieved in as little as 3.8 seconds for the highest-powered variant. The diesel and hybrid engines deliver excellent fuel efficiency, consuming as low as 6 L/100km.
BMW iX: In contrast, the BMW iX relies solely on electric power, with its engine options delivering between 326 and 659 HP. The iX can sprint from 0 to 100 km/h in a notable 3.8 seconds for its most robust trim. It boasts an electric range of up to 701 km, thanks to its advanced battery options ranging up to 109.6 kWh. Its torque peaks at 1015 Nm, promising impressive on-road performance.
The latest iterations of both the X3 and iX integrate state-of-the-art technology. The iX stands out as BMW's showcase of electric innovation, equipped with an advanced infotainment system and the latest driver assistance features designed to provide a seamless driving experience.
Meanwhile, the X3, although more traditionally powered, does not lag far behind. It employs BMW's latest connectivity solutions and adaptive driving aids, blending comfort with cutting-edge technology. Hybrid models of the X3 especially emphasize efficiency, offering an electric range of up to 90 km powered by a 19.7 kWh battery.
The BMW iX leads in terms of eco-friendliness, with a CO2 efficiency class of A, reflecting its zero-emissions electric drivetrain. The X3, while offering hybrid variants, has a wide range of CO2 outputs, with a minimum of 21 g/km. Both models signify BMW's commitment to reducing their carbon footprint, albeit in different manners.
The BMW X3 and iX demonstrate BMW's ability to cater to diverse automotive needs. The X3 remains a versatile choice with flexible engine options and traditional appeal. Meanwhile, the iX is an emblem of electric future, offering sustainability without compromising on performance. Your selection between these luxury SUVs hinges on your preference for traditional versatility or a bold step into the electric age. Both promise the quintessential BMW driving pleasure, each in its own unique way.
Price and efficiency are often the first things buyers look at. Here it becomes clear which model has the long-term edge – whether at the pump, the plug, or in purchase price.
BMW X3 is noticeably cheaper – starting at 51,700 £ , while the BMW iX costs 71,600 £ . That’s a price difference of around 19,886 £.
As for electric range, the BMW iX offers considerably more range – reaching up to 701 km, about 613 km more than the BMW X3.
Power, torque and acceleration say a lot about how a car feels on the road. This is where you see which model delivers more driving dynamics.
When it comes to engine power, the BMW iX offers markedly more power – delivering 659 HP compared to 398 HP. That’s roughly 261 HP more horsepower.
When accelerating from 0 to 100 km/h, the BMW iX is noticeably quicker – completing the sprint in 3.8 s, while the BMW X3 takes 4.6 s. That’s about 0.8 s quicker.
There’s also a difference in torque: the BMW iX delivers noticeably more torque with 1,015 Nm compared to 670 Nm. That’s about 345 Nm more.
Beyond pure performance, interior space and usability matter most in daily life. This is where you see which car is more practical and versatile.
Both vehicles offer seating for 5 people.
In terms of curb weight, BMW X3 is markedly lighter – 1,930 kg compared to 2,525 kg. The difference is around 595 kg.
Looking at boot space, the BMW X3 offers moderately more boot space – 570 L compared to 500 L. That’s a difference of about 70 L.
When it comes to payload, the BMW iX carries barely more – 575 kg compared to 570 kg. That’s a difference of about 5 kg.
The BMW iX stands well ahead of its rival in the objective data comparison.
This result only shows which model scores more points on paper – not which of the two cars feels right for you.
The BMW X3 blends sporty handling with premium comfort, making it a strong choice for drivers who want an engaging everyday SUV. Its well-appointed interior and confident road manners give it broad appeal for families and commuters who value style and versatility.
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The BMW iX arrives like a tech-rich luxury SUV that refuses to shout, offering a serene yet authoritative road presence that suits both city commutes and long-distance cruising. Inside, its minimalist cabin wraps high-quality materials and clever interfaces around a driver-focused layout, making it feel more like a forward-thinking lounge than just another electric appliance — and yes, it still delivers the dynamic driving character you'd expect from a BMW.
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Costs and Consumption |
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Price
51,700 - 73,000 £
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Price
71,600 - 108,400 £
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Consumption L/100km
2.8 - 7.7 L/100km
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Consumption L/100km
-
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Consumption kWh/100km
-
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Consumption kWh/100km
17.8 - 20.6 kWh/100km
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Electric Range
88 km
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Electric Range
600 - 701 km
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Battery Capacity
-
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Battery Capacity
-
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co2
64 - 175 g/km
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co2
0 g/km
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Fuel tank capacity
-
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Fuel tank capacity
-
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Dimensions and Body |
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Body Type
SUV
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Body Type
SUV
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Seats
5
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Seats
5
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Doors
-
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Doors
-
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Curb weight
1,930 - 2,140 kg
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Curb weight
2,525 - 2,655 kg
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Trunk capacity
460 - 570 L
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Trunk capacity
500 L
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Length
-
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Length
-
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Width
1,920 mm
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Width
1,970 mm
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Height
-
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Height
-
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Max trunk capacity
-
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Max trunk capacity
-
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Payload
570 kg
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Payload
505 - 575 kg
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Engine and Performance |
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Engine Type
Petrol MHEV, Diesel MHEV, Plugin Hybrid
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Engine Type
Electric
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Transmission
Automatic
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Transmission
Automatic
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Transmission Detail
Automatic Gearbox
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Transmission Detail
Reduction Gearbox
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Drive Type
All-Wheel Drive
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Drive Type
All-Wheel Drive
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Power HP
197 - 398 HP
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Power HP
408 - 659 HP
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Acceleration 0-100km/h
4.6 - 7.8 s
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Acceleration 0-100km/h
3.8 - 5.1 s
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Max Speed
-
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Max Speed
-
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Torque
330 - 670 Nm
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Torque
700 - 1,015 Nm
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Number of Cylinders
4 - 6
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Number of Cylinders
-
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Power kW
145 - 293 kW
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Power kW
300 - 485 kW
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Engine capacity
1,995 - 2,998 cm3
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Engine capacity
-
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General |
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Model Year
2,024 - 2,025
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Model Year
2025
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CO2 Efficiency Class
F, E, B
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CO2 Efficiency Class
A
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Brand
BMW
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Brand
BMW
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Deutschland
France
Nederland
Great Britain
Sverige
Danmark
Suomi
Italia
Polska
Česko
España