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Hyundai IONIQ 5 vs Mercedes G-Class comparison

Compare performance (229 HP vs 605 HP), boot space and price (43,300 £ vs 106,600 £ ) at a glance. Find out which car is the better choice for you – Hyundai IONIQ 5 or Mercedes G-Class?

Hyundai IONIQ 5 vs Mercedes G-Class: Key differences

Hyundai IONIQ 5

5 (2 Reviews)
rate
  • substantially cheaper
  • substantially more efficient
  • a bit more electric range
  • clearly lighter
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Mercedes G-Class

  • considerably more power
  • substantially quicker 0–100 km/h
  • a bit more trunk space
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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

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.

Hyundai IONIQ 5 is substantially cheaper – starting at 43,300 £ , while the Mercedes G-Class costs 106,600 £ . That’s a price difference of around 63,262 £.

In terms of energy consumption, the Hyundai IONIQ 5 is substantially more efficient: consuming 15.6 kWh/100km compared to 28 kWh/100km for the Mercedes G-Class. That’s a difference of about 12.4 kWh/100km.

As for electric range, the Hyundai IONIQ 5 offers a bit more range – reaching up to 570 km, about 91 km more than the Mercedes G-Class.

G-Class

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 G-Class offers considerably more power – delivering 605 HP compared to 229 HP. That’s roughly 376 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes G-Class is substantially quicker – completing the sprint in 4.4 s, while the Hyundai IONIQ 5 takes 7.5 s. That’s about 3.1 s quicker.

There’s also a difference in torque: the Mercedes G-Class delivers significantly more torque with 1,164 Nm compared to 350 Nm. That’s about 814 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, Hyundai IONIQ 5 is clearly lighter – 1,955 kg compared to 2,485 kg. The difference is around 530 kg.

Looking at boot space, the Mercedes G-Class offers a bit more boot space – 640 L compared to 520 L. That’s a difference of about 120 L.

When it comes to payload, the Mercedes G-Class carries clearly more – 715 kg compared to 530 kg. That’s a difference of about 185 kg.

Who wins the race in the data check?

The Mercedes G-Class holds a solid overall lead 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 £106,600
G-Class

Mercedes G-Class

  • Engine Type : Petrol MHEV, Diesel MHEV, Electric
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive
  • Power HP : 387 - 605 HP
  • Consumption L/100km : 8.7 - 14.7 L/100km
  • Consumption kWh/100km : 28 kWh/100km
  • Electric Range : 479 km
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Frequently compared as well

Hyundai IONIQ 5
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Hyundai IONIQ 5
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Mercedes G-Class

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.

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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 G-Class

The G-Class, often called the G‑Wagen, is a blocky icon that blends unapologetic off-road prowess with a plush, modern cabin, announcing your arrival before you even step out. It’s equally at home crawling over rocks or cruising city streets, and owning one feels like adopting a very expensive, very capable personality.

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18C0997_133
19C0473_066
18C0997_262

Reviews Mercedes G-Class

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

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Hyundai IONIQ 5
Mercedes G-Class

Costs and Consumption
Price
43,300 - 46,100 £
Price
106,600 - 171,000 £
Consumption L/100km
-
Consumption L/100km
8.7 - 14.7 L/100km
Consumption kWh/100km
15.6 - 16 kWh/100km
Consumption kWh/100km
28 kWh/100km
Electric Range
440 - 570 km
Electric Range
479 km
Battery Capacity
-
Battery Capacity
-
co2
0 g/km
co2
0 - 336 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
Off-Roader
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,955 - 2,060 kg
Curb weight
2,485 - 3,085 kg
Trunk capacity
520 L
Trunk capacity
640 L
Length
-
Length
-
Width
1,890 mm
Width
1,931 - 1,984 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
515 - 530 kg
Payload
115 - 715 kg

Engine and Performance
Engine Type
Electric
Engine Type
Petrol MHEV, Diesel MHEV, Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Automatic Gearbox, Reduction Gearbox
Drive Type
Rear-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
170 - 229 HP
Power HP
387 - 605 HP
Acceleration 0-100km/h
7.5 - 8.5 s
Acceleration 0-100km/h
4.4 - 5.8 s
Max Speed
-
Max Speed
-
Torque
350 Nm
Torque
760 - 1,164 Nm
Number of Cylinders
-
Number of Cylinders
6 - 8
Power kW
125 - 168 kW
Power kW
285 - 445 kW
Engine capacity
-
Engine capacity
2,989 - 3,982 cm3

General
Model Year
2025
Model Year
2,025 - 2,026
CO2 Efficiency Class
A
CO2 Efficiency Class
G, A
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.