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Hyundai IONIQ 6 vs Mercedes GLA comparison

Compare performance (650 HP vs 421 HP), boot space and price (39,000 £ vs 38,800 £ ) at a glance. Find out which car is the better choice for you – Hyundai IONIQ 6 or Mercedes GLA?

Hyundai IONIQ 6 vs Mercedes GLA: Key differences

Hyundai IONIQ 6

4.6 (2 Reviews)
rate
  • clearly more power
  • substantially more electric range
  • visibly quicker 0–100 km/h
details

Mercedes GLA

4.5 (4 Reviews)
rate
  • barely cheaper
  • noticeably lighter
  • barely more trunk space
details

All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.

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

IONIQ 6

Costs and Efficiency:

Price and efficiency are key factors when choosing a car – and this is often where the real differences emerge.

Mercedes GLA is barely cheaper – starting at 38,800 £ , while the Hyundai IONIQ 6 costs 39,000 £ . That’s a price difference of around 206 £.

As for electric range, the Hyundai IONIQ 6 offers substantially more range – reaching up to 680 km, about 606 km more than the Mercedes GLA.

GLA

Engine and Performance:

Under the bonnet, it becomes clear which model is tuned for sportiness and which one takes the lead when you hit the accelerator.

When it comes to engine power, the Hyundai IONIQ 6 offers clearly more power – delivering 650 HP compared to 421 HP. That’s roughly 229 HP more horsepower.

When accelerating from 0 to 100 km/h, the Hyundai IONIQ 6 is visibly quicker – completing the sprint in 3.3 s, while the Mercedes GLA takes 4.3 s. That’s about 1 s quicker.

There’s also a difference in torque: the Hyundai IONIQ 6 delivers noticeably more torque with 770 Nm compared to 500 Nm. That’s about 270 Nm more.

IONIQ 6

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 noticeably lighter – 1,570 kg compared to 1,892 kg. The difference is around 322 kg.

Looking at boot space, the Mercedes GLA offers barely more boot space – 435 L compared to 401 L. That’s a difference of about 34 L.

When it comes to payload, the Mercedes GLA carries moderately more – 500 kg compared to 438 kg. That’s a difference of about 62 kg.

Who wins the race in the data check?

The Hyundai IONIQ 6 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.

from £39,000
IONIQ 6

Hyundai IONIQ 6

  • Engine Type Electric
  • Transmission Automatic
  • Drive Type All-Wheel Drive, Rear-Wheel Drive
  • Power HP 170 - 650 HP
  • Consumption kWh/100km 13.4 - 18.7 kWh/100km
  • Electric Range 487 - 680 km
details

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Hyundai IONIQ 6
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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Hyundai IONIQ 6

The Hyundai IONIQ 6 glides down the road with a poise that feels more runway model than commuter car, its sleek silhouette promising efficiency without trying too hard. Inside, a calm, minimalist cabin packed with clever, usable tech makes it a compelling choice for buyers who want electric motoring that's smart, stylish and quietly practical.

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hyundai-ioniq-6-design-unveil-streamliner-04_jpg
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Reviews Hyundai IONIQ 6

4.6 (2 Reviews)
rate

No reviews yet. Share your experience and help others decide.

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.

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20C0047_071
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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 6
Mercedes GLA

Costs and Consumption
Price
39,000 - 65,100 £
Price
38,800 - 75,300 £
Consumption L/100km
-
Consumption L/100km
2.9 - 9.5 L/100km
Consumption kWh/100km
13.4 - 18.7 kWh/100km
Consumption kWh/100km
-
Electric Range
487 - 680 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
Hatchback
Body Type
SUV
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,892 - 2,241 kg
Curb weight
1,570 - 1,810 kg
Trunk capacity
371 - 401 L
Trunk capacity
385 - 435 L
Length
-
Length
-
Width
1,880 - 1,940 mm
Width
1,834 - 1,849 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
386 - 438 kg
Payload
480 - 500 kg

Engine and Performance
Engine Type
Electric
Engine Type
Petrol MHEV, Plug-in Hybrid, Diesel, Petrol
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Dual-Clutch Automatic
Drive Type
All-Wheel Drive, Rear-Wheel Drive
Drive Type
Front-Wheel Drive, All-Wheel Drive
Power HP
170 - 650 HP
Power HP
116 - 421 HP
Acceleration 0-100km/h
3.3 - 8.3 s
Acceleration 0-100km/h
4.3 - 11 s
Max Speed
-
Max Speed
-
Torque
350 - 770 Nm
Torque
230 - 500 Nm
Number of Cylinders
-
Number of Cylinders
4
Power kW
125 - 478 kW
Power kW
85 - 310 kW
Engine capacity
-
Engine capacity
1,332 - 1,991 cm3

General
Model Year
2026
Model Year
2025
CO2 Efficiency Class
A
CO2 Efficiency Class
E, F, B, G
Brand
Hyundai
Brand
Mercedes-Benz
What drive types are available for the Hyundai IONIQ 6?

The Hyundai IONIQ 6 is available as All-Wheel Drive or 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.