Compare performance (138 HP vs 421 HP), boot space and price (29,100 £ vs 38,800 £ ) at a glance. Find out which car is the better choice for you – Kia Niro or Mercedes GLA?
All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.
Price and efficiency are key factors when choosing a car – and this is often where the real differences emerge.
Kia Niro is markedly cheaper – starting at 29,100 £ , while the Mercedes GLA costs 38,800 £ . That’s a price difference of around 9,702 £.
Fuel consumption also shows a difference: the Mercedes GLA uses 2.9 L/100km and is considerably more efficient than the Kia Niro with 4.5 L/100km. The difference is about 1.6 L/100km.
Power, torque and acceleration are the classic benchmarks for car enthusiasts – and here, some clear differences start to show.
When it comes to engine power, the Mercedes GLA offers clearly more power – delivering 421 HP compared to 138 HP. That’s roughly 283 HP more horsepower.
When accelerating from 0 to 100 km/h, the Mercedes GLA is significantly quicker – completing the sprint in 4.3 s, while the Kia Niro takes 11.1 s. That’s about 6.8 s quicker.
There’s also a difference in torque: the Mercedes GLA delivers considerably more torque with 500 Nm compared to 265 Nm. That’s about 235 Nm more.
Cabin size, boot volume and payload all play a role in everyday practicality. Here, comfort and flexibility make the difference.
Both vehicles offer seating for 5 people.
In terms of curb weight, Kia Niro is barely lighter – 1,474 kg compared to 1,570 kg. The difference is around 96 kg.
Looking at boot space, the Kia Niro offers marginally more boot space – 451 L compared to 435 L. That’s a difference of about 16 L.
When it comes to payload, the Mercedes GLA carries only slightly more – 500 kg compared to 466 kg. That’s a difference of about 34 kg.
The Mercedes GLA 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 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.
detailsThe Mercedes GLA is a compact luxury crossover that brings Mercedes-Benz's refined design and premium cabin materials into a practical, city-friendly package. It combines comfortable ride quality and intuitive tech with poised handling, making it a confident choice for everyday driving and longer journeys.
detailsCosts and Consumption |
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|---|---|
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Price
29,100 - 33,800 £
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Price
38,800 - 75,300 £
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Consumption L/100km
4.5 - 4.9 L/100km
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Consumption L/100km
2.9 - 9.5 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
74 km
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Battery Capacity
-
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Battery Capacity
-
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co2
102 - 111 g/km
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co2
66 - 216 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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|---|---|
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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
1,474 kg
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Curb weight
1,570 - 1,810 kg
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Trunk capacity
451 L
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Trunk capacity
385 - 435 L
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Length
-
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Length
-
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Width
1,825 mm
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Width
1,834 - 1,849 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
466 kg
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Payload
480 - 500 kg
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Engine and Performance |
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|---|---|
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Engine Type
Full Hybrid
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Engine Type
Petrol MHEV, Plugin Hybrid, Diesel, Petrol
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Transmission
Automatic
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Transmission
Automatic
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Transmission Detail
Dual-Clutch Automatic
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Transmission Detail
Dual-Clutch Automatic
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Drive Type
Front-Wheel Drive
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Drive Type
Front-Wheel Drive, All-Wheel Drive
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Power HP
138 HP
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Power HP
116 - 421 HP
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Acceleration 0-100km/h
11.1 - 11.4 s
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Acceleration 0-100km/h
4.3 - 11 s
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Max Speed
-
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Max Speed
-
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Torque
265 Nm
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Torque
230 - 500 Nm
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Number of Cylinders
4
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Number of Cylinders
4
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Power kW
102 kW
|
Power kW
85 - 310 kW
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Engine capacity
1,580 cm3
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Engine capacity
1,332 - 1,991 cm3
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General |
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|---|---|
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Model Year
2025
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Model Year
2025
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CO2 Efficiency Class
C
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CO2 Efficiency Class
E, F, B, G
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Brand
Kia
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Brand
Mercedes-Benz
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