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Kia Sorento vs Mercedes GLA comparison

Compare performance (288 HP vs 421 HP), boot space and price (47,300 £ vs 38,800 £ ) at a glance. Find out which car is the better choice for you – Kia Sorento or Mercedes GLA?

Kia Sorento vs Mercedes GLA: Key differences

Kia Sorento

4.9 (3 Reviews)
rate
  • noticeably more trunk space
details

Mercedes GLA

4.5 (4 Reviews)
rate
  • markedly cheaper
  • clearly more power
  • visibly more efficient
  • markedly more electric range
  • substantially quicker 0–100 km/h
  • a bit lighter
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All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.

By Achim Sedelmaier

Here’s where it gets real: The technical differences in detail

Sorento

Costs and Efficiency:

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.

Mercedes GLA is markedly cheaper – starting at 38,800 £ , while the Kia Sorento costs 47,300 £ . That’s a price difference of around 8,469 £.

Fuel consumption also shows a difference: the Mercedes GLA uses 2.9 L/100km and is visibly more efficient than the Kia Sorento with 3.9 L/100km. The difference is about 1 L/100km.

As for electric range, the Mercedes GLA offers markedly more range – reaching up to 74 km, about 19 km more than the Kia Sorento.

GLA

Engine and Performance:

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 288 HP. That’s roughly 133 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes GLA is substantially quicker – completing the sprint in 4.3 s, while the Kia Sorento takes 8 s. That’s about 3.7 s quicker.

There’s also a difference in torque: the Mercedes GLA delivers somewhat more torque with 500 Nm compared to 440 Nm. That’s about 60 Nm more.

Sorento

Space and Everyday Use:

Whether family car or daily driver – which one offers more room, flexibility and comfort?

Seats: Kia Sorento offers more seats – 7 vs 5.

In terms of curb weight, Mercedes GLA is a bit lighter – 1,570 kg compared to 1,855 kg. The difference is around 285 kg.

Looking at boot space, the Kia Sorento offers noticeably more boot space – 705 L compared to 435 L. That’s a difference of about 270 L.

When it comes to payload, the Kia Sorento carries clearly more – 685 kg compared to 500 kg. That’s a difference of about 185 kg.

Who wins the race in the data check?

The Mercedes GLA is far ahead 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.

from £38,800
GLA

Mercedes GLA

  • Engine Type Petrol MHEV, Plugin Hybrid, Diesel, Petrol
  • Transmission Automatic
  • Drive Type Front-Wheel Drive, All-Wheel Drive
  • Power HP 116 - 421 HP
  • Consumption L/100km 2.9 - 9.5 L/100km
  • Electric Range 74 km
details

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Kia Sorento
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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Kia Sorento

The Kia Sorento blends roomy practicality with smart tech and an unexpectedly composed highway manner, making it an easy choice for families who want comfort without fuss. It presents classy interior touches and sensible packaging at a realistic price, proving you don't need to shout to be noticed in the SUV crowd.

details
Neuer_Kia_Sorento_gewinnt_Goldenes_Lenkrad_02
Neuer Kia Sorento (Modelljahr 2021)
Kia_Sorento_HEV_MJ23_06

Reviews Kia Sorento

4.9 (3 Reviews)
rate
myšák2025
20 May 2026, 09:46:15

Only Kia.....to me better in every way than Hyundai

How do you mainly use this car? (optional): Leisure / Weekend driver
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money

Mercedes GLA

The 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.

details
20C0047_067
20C0047_071
20C0047_104
20C0047_115

Reviews Mercedes GLA

4.5 (4 Reviews)
rate
Lucien
1 May 2026, 07:12:24

GLA 180 petrol. Ideal for city and highway. Very smooth and quiet. The automatic gearbox is a delight. Average consumption 6.2 L/100 km. Special edition 180 Cyber Edition, leather seats....

How do you mainly use this car? (optional): Family car
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
Gutter
24 Feb 2026, 21:53:27

Super nimble, very impressive power from this 1,300cc mild‑hybrid engine — in town, on the road and on the motorway for this 2025 GLA 180 Style AMG... premium interior!

How do you mainly use this car? (optional): Family car
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
Serge
16 Jan 2026, 16:09:11

You have to compare like with like — the GLA should be compared to the Q3, not the Q2 as in your study!

How do you mainly use this car? (optional): Family car
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money

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Kia Sorento
Mercedes GLA

Costs and Consumption
Price
47,300 - 60,500 £
Price
38,800 - 75,300 £
Consumption L/100km
3.9 - 7 L/100km
Consumption L/100km
2.9 - 9.5 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
55 km
Electric Range
74 km
Battery Capacity
-
Battery Capacity
-
co2
87 - 174 g/km
co2
66 - 216 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
SUV
Seats
5 - 7
Seats
5
Doors
-
Doors
-
Curb weight
1,855 - 2,110 kg
Curb weight
1,570 - 1,810 kg
Trunk capacity
175 - 705 L
Trunk capacity
385 - 435 L
Length
-
Length
-
Width
1,900 mm
Width
1,834 - 1,849 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
162 - 685 kg
Payload
480 - 500 kg

Engine and Performance
Engine Type
Full Hybrid, Diesel, Plugin Hybrid
Engine Type
Petrol MHEV, Plugin Hybrid, Diesel, Petrol
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox, Dual-Clutch Automatic
Transmission Detail
Dual-Clutch Automatic
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
Front-Wheel Drive, All-Wheel Drive
Power HP
194 - 288 HP
Power HP
116 - 421 HP
Acceleration 0-100km/h
8 - 9.7 s
Acceleration 0-100km/h
4.3 - 11 s
Max Speed
-
Max Speed
-
Torque
380 - 440 Nm
Torque
230 - 500 Nm
Number of Cylinders
4
Number of Cylinders
4
Power kW
142 - 212 kW
Power kW
85 - 310 kW
Engine capacity
1,598 - 2,151 cm3
Engine capacity
1,332 - 1,991 cm3

General
Model Year
2,025 - 2,026
Model Year
2025
CO2 Efficiency Class
E, F, B
CO2 Efficiency Class
E, F, B, G
Brand
Kia
Brand
Mercedes-Benz
What drive types are available for the Kia Sorento?

The Kia Sorento is offered with Front-Wheel Drive or All-Wheel Drive.

DriveDuel uses data analysis and artificial intelligence to evaluate vehicle data and create content. Content is regularly reviewed and improved. The displayed prices are estimates based on German list prices, adjusted to the respective country’s VAT. Country-specific registration taxes are not included. This information is not legally binding.