Compare performance (510 HP vs 138 HP), boot space and price (51,900 £ vs 29,100 £ ) at a glance. Find out which car is the better choice for you – BMW X4 or Kia Niro?
All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.
The automotive market continues to evolve, providing consumers with a wide range of choices across various vehicle segments. In this comparison, we take a closer look at two distinct entries in the SUV category: the BMW X4 and the Kia Niro. Both vehicles embody the spirit of innovation and technological prowess, yet they cater to different preferences and needs.
The BMW X4 offers a robust lineup of powertrains, including petrol MHEV (Mild Hybrid Electric Vehicle) options and diesel variants, ranging from 184 to a staggering 510 hp. Its all-wheel-drive system ensures that this luxury SUV delivers exceptional handling and performance. Acceleration is equally impressive, with the high-performance variants able to sprint from 0 to 100 km/h in just 3.8 seconds.
On the other hand, the Kia Niro leans towards hybrid technology, featuring both full hybrid and plug-in hybrid options. With a maximum output of 171 hp, it emphasizes efficiency over raw power. The Niro's accelerative capabilities are more modest, taking 10.4 to 11.3 seconds to hit the 100 km/h mark. However, its fuel efficiency is noteworthy, with consumption figures as low as 1 L/100km for the plug-in hybrid variant.
When it comes to fuel consumption and emissions, the Kia Niro makes a compelling case for eco-conscious consumers. Its CO2 output ranges between 19 and 100 g/km, thanks to the efficient hybrid technology. Additionally, the Niro boasts an electric range of up to 65 km with its plug-in variant, allowing for zero-emission driving on shorter trips.
On the flip side, the BMW X4's larger engine options and performance-oriented approach result in higher fuel consumption, peaking at 10.7 L/100km for its most powerful diesel variant. Its CO2 emissions range from 156 to 244 g/km, which may be a consideration for buyers who prioritize environmental impact.
Both SUVs offer seating for five, though the BMW X4 provides a more premium interior experience with luxurious materials and a higher level of technology integration. The cargo capacity of the X4 is impressive, at 525 liters, providing ample room for luggage and other gear.
The Kia Niro, while less spacious with a trunk capacity of 451 liters, compensates with innovative tech features such as its dual-clutch automatic transmission and an accessible user interface for infotainment systems. The focus here is on practicality and user-friendliness, making it an excellent option for families or urban dwellers.
In terms of size, the BMW X4 is the larger of the two, measuring 4,751 mm in length, 1,918 mm in width, and standing 1,621 mm tall. This robust stance contributes to its sporty appearance and road presence. The X4's design embodies BMW's signature aesthetic, with a dynamic silhouette and aggressive front end.
The Kia Niro, at 4,420 mm in length and 1,825 mm in width, presents a more compact form that is well-suited for city driving. Its modern design language emphasizes a sleek and aerodynamic shape, making it stand out in its class while still maintaining practicality.
The comparison between the BMW X4 and Kia Niro highlights two distinct approaches to the SUV market. The X4 appeals to those seeking performance, luxury, and driving dynamics, while the Niro targets environmentally savvy consumers looking for efficiency and practicality. Ultimately, the choice will depend on individual preferences and priorities—whether it's raw power and luxury or eco-friendliness and affordability. Both vehicles represent their brands well, showcasing innovative technologies and a commitment to addressing consumer needs in a rapidly evolving automotive landscape.
When it comes to price and running costs, the biggest differences usually appear. This is often where you see which car fits your budget better in the long run.
Kia Niro is significantly cheaper – starting at 29,100 £ , while the BMW X4 costs 51,900 £ . That’s a price difference of around 22,723 £.
Fuel consumption also shows a difference: the Kia Niro uses 4.5 L/100km and is clearly more efficient than the BMW X4 with 6 L/100km. The difference is about 1.5 L/100km.
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 X4 offers clearly more power – delivering 510 HP compared to 138 HP. That’s roughly 372 HP more horsepower.
When accelerating from 0 to 100 km/h, the BMW X4 is significantly quicker – completing the sprint in 3.8 s, while the Kia Niro takes 11.1 s. That’s about 7.3 s quicker.
There’s also a difference in torque: the BMW X4 delivers substantially more torque with 700 Nm compared to 265 Nm. That’s about 435 Nm more.
Whether family car or daily driver – which one offers more room, flexibility and comfort?
Both vehicles offer seating for 5 people.
In terms of curb weight, Kia Niro is noticeably lighter – 1,474 kg compared to 1,875 kg. The difference is around 401 kg.
Looking at boot space, the BMW X4 offers somewhat more boot space – 525 L compared to 451 L. That’s a difference of about 74 L.
When it comes to payload, the BMW X4 carries moderately more – 545 kg compared to 466 kg. That’s a difference of about 79 kg.
The BMW X4 is clearly superior overall 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 X4 blends coupe-like styling with SUV practicality, giving you a striking profile that never lets you disappear into traffic. It feels planted and keen behind the wheel, and for buyers who crave personality without sacrificing everyday usability, it’s a compelling and slightly mischievous choice.
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The Kia Niro is a practical crossover that blends economy and everyday versatility without sacrificing comfort. With a roomy, well-laid-out cabin and calm, composed handling, it’s an easy-to-live-with choice for commuters and families.
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Costs and Consumption |
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Price
51,900 - 93,000 £
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Price
29,100 - 33,800 £
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Consumption L/100km
6 - 10.7 L/100km
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Consumption L/100km
4.5 - 4.9 L/100km
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Consumption kWh/100km
-
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Consumption kWh/100km
-
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Electric Range
-
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Electric Range
-
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Battery Capacity
-
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Battery Capacity
-
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co2
156 - 244 g/km
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co2
102 - 111 g/km
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Fuel tank capacity
65 - 68 L
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Fuel tank capacity
-
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Dimensions and Body |
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|---|---|
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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
5
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Doors
-
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Curb weight
1,875 - 2,095 kg
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Curb weight
1,474 kg
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Trunk capacity
525 L
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Trunk capacity
451 L
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Length
4,751 - 4,754 mm
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Length
-
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Width
1,918 - 1,938 mm
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Width
1,825 mm
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Height
1,620 - 1,621 mm
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Height
-
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Max trunk capacity
1,430 L
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Max trunk capacity
-
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Payload
415 - 545 kg
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Payload
466 kg
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Engine and Performance |
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|---|---|
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Engine Type
Petrol MHEV, Diesel MHEV, Petrol
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Engine Type
Full Hybrid
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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
Dual-Clutch Automatic
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Drive Type
All-Wheel Drive
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Drive Type
Front-Wheel Drive
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Power HP
184 - 510 HP
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Power HP
138 HP
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Acceleration 0-100km/h
3.8 - 8.4 s
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Acceleration 0-100km/h
11.1 - 11.4 s
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Max Speed
213 - 250 km/h
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Max Speed
-
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Torque
300 - 700 Nm
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Torque
265 Nm
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Number of Cylinders
4 - 6
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Number of Cylinders
4
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Power kW
135 - 375 kW
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Power kW
102 kW
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Engine capacity
1,995 - 2,998 cm3
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Engine capacity
1,580 cm3
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General |
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|---|---|
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Model Year
2,023 - 2,024
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Model Year
2025
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CO2 Efficiency Class
F, G
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CO2 Efficiency Class
C
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Brand
BMW
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Brand
Kia
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Deutschland
France
Nederland
Great Britain
Sverige
Danmark
Suomi
Italia
Polska
Česko
España