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Hyundai IONIQ 5 vs Mercedes GLA comparison

Compare performance (229 HP vs 421 HP), boot space and price (43,300 £ vs 38,800 £ ) at a glance. Find out which car is the better choice for you – Hyundai IONIQ 5 or Mercedes GLA?

Hyundai IONIQ 5 vs Mercedes GLA: Key differences

Hyundai IONIQ 5

5 (2 Reviews)
rate
  • considerably more electric range
  • moderately more trunk space
details

Mercedes GLA

4.5 (4 Reviews)
rate
  • a bit cheaper
  • significantly more power
  • significantly quicker 0–100 km/h
  • markedly lighter
details

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

IONIQ 5

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 a bit cheaper – starting at 38,800 £ , while the Hyundai IONIQ 5 costs 43,300 £ . That’s a price difference of around 4,492 £.

As for electric range, the Hyundai IONIQ 5 offers considerably more range – reaching up to 570 km, about 496 km more than the Mercedes GLA.

GLA

Engine and Performance:

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 Mercedes GLA offers significantly more power – delivering 421 HP compared to 229 HP. That’s roughly 192 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 Hyundai IONIQ 5 takes 7.5 s. That’s about 3.2 s quicker.

There’s also a difference in torque: the Mercedes GLA delivers noticeably more torque with 500 Nm compared to 350 Nm. That’s about 150 Nm more.

IONIQ 5

Space and Everyday Use:

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, Mercedes GLA is markedly lighter – 1,570 kg compared to 1,955 kg. The difference is around 385 kg.

Looking at boot space, the Hyundai IONIQ 5 offers moderately more boot space – 520 L compared to 435 L. That’s a difference of about 85 L.

When it comes to payload, the Hyundai IONIQ 5 carries only slightly more – 530 kg compared to 500 kg. That’s a difference of about 30 kg.

Who wins the race in the data check?

The Mercedes GLA is slightly ahead 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

Frequently compared as well

Mercedes B Class
Mercedes GLA
VS
The Mercedes B‑Class is the practical, airy people‑carrier that prioritises space and comfort, while the Mercedes GLA takes the same mechanical smarts and adds SUV looks, higher ride height and a touch more road presence. Pick the B‑Class for family‑friendly sense and efficiency, choose the GLA if …
Hyundai IONIQ 5
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Hyundai IONIQ 5
Mercedes GLA

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Hyundai IONIQ 5

The Hyundai IONIQ 5 looks like a spaceship that moved into suburbia, pairing bold retro‑futuristic styling with a roomy, cleverly laid-out cabin that makes long trips surprisingly comfortable. Its electric character delivers instant, silky acceleration and low running costs, making it a smart, slightly cheeky pick for buyers who want tech, practicality and personality without the drama.

details
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hyundai-ioniq-5-interior-05_jpg
hyundai-ioniq-5-0621-details-01_jpg

Reviews Hyundai IONIQ 5

5 (2 Reviews)
rate
Javi Rodman
4 Jan 2026, 17:25:22

The best of the best. Comfortable, practical, economical, fun, spacious, with all the ADAS and safety systems. What more could you ask for?

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

Mercedes GLA

The Mercedes GLA blends Mercedes style with compact crossover practicality, looking sharper than its size suggests while still feeling purposeful around town. Inside it serves up premium materials and tech-forward ergonomics, and the composed ride makes it an appealing pick for buyers who want luxury wrapped in a city-friendly package with a wink of adventurous spirit.

details
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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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Hyundai IONIQ 5
Mercedes GLA

Costs and Consumption
Price
43,300 - 46,100 £
Price
38,800 - 75,300 £
Consumption L/100km
-
Consumption L/100km
2.9 - 9.5 L/100km
Consumption kWh/100km
15.6 - 16 kWh/100km
Consumption kWh/100km
-
Electric Range
440 - 570 km
Electric Range
74 km
Battery Capacity
-
Battery Capacity
-
co2
0 g/km
co2
66 - 216 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
SUV
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,955 - 2,060 kg
Curb weight
1,570 - 1,810 kg
Trunk capacity
520 L
Trunk capacity
385 - 435 L
Length
-
Length
-
Width
1,890 mm
Width
1,834 - 1,849 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
515 - 530 kg
Payload
480 - 500 kg

Engine and Performance
Engine Type
Electric
Engine Type
Petrol MHEV, Plugin Hybrid, Diesel, Petrol
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Dual-Clutch Automatic
Drive Type
Rear-Wheel Drive
Drive Type
Front-Wheel Drive, All-Wheel Drive
Power HP
170 - 229 HP
Power HP
116 - 421 HP
Acceleration 0-100km/h
7.5 - 8.5 s
Acceleration 0-100km/h
4.3 - 11 s
Max Speed
-
Max Speed
-
Torque
350 Nm
Torque
230 - 500 Nm
Number of Cylinders
-
Number of Cylinders
4
Power kW
125 - 168 kW
Power kW
85 - 310 kW
Engine capacity
-
Engine capacity
1,332 - 1,991 cm3

General
Model Year
2025
Model Year
2025
CO2 Efficiency Class
A
CO2 Efficiency Class
E, F, B, G
Brand
Hyundai
Brand
Mercedes-Benz
Is the Hyundai IONIQ 5 offered with different drivetrains?

The Hyundai IONIQ 5 is offered with Rear-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.