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Hyundai IONIQ 5 vs Mercedes A Class comparison

Compare performance (229 HP vs 421 HP), boot space and price (43,300 £ vs 32,600 £ ) at a glance. Find out which car is the better choice for you – Hyundai IONIQ 5 or Mercedes A Class?

Hyundai IONIQ 5 vs Mercedes A Class: Key differences

Hyundai IONIQ 5

5 (2 Reviews)
rate
  • clearly more electric range
  • markedly more trunk space
details

Mercedes A Class

2.7 (1 Reviews)
rate
  • markedly cheaper
  • clearly more power
  • significantly quicker 0–100 km/h
  • visibly 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:

When it comes to price and running costs, the biggest differences usually appear. This is often where you see which car fits your budget better in the long run.

Mercedes A Class is markedly cheaper – starting at 32,600 £ , while the Hyundai IONIQ 5 costs 43,300 £ . That’s a price difference of around 10,760 £.

As for electric range, the Hyundai IONIQ 5 offers clearly more range – reaching up to 570 km, about 485 km more than the Mercedes A Class.

A Class

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 Mercedes A Class offers clearly 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 A Class is significantly quicker – completing the sprint in 3.9 s, while the Hyundai IONIQ 5 takes 7.5 s. That’s about 3.6 s quicker.

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

IONIQ 5

Space and Everyday Use:

Beyond pure performance, interior space and usability matter most in daily life. This is where you see which car is more practical and versatile.

Both vehicles offer seating for 5 people.

In terms of curb weight, Mercedes A Class is visibly lighter – 1,440 kg compared to 1,955 kg. The difference is around 515 kg.

Looking at boot space, the Hyundai IONIQ 5 offers markedly more boot space – 520 L compared to 350 L. That’s a difference of about 170 L.

When it comes to payload, the Hyundai IONIQ 5 carries barely more – 530 kg compared to 485 kg. That’s a difference of about 45 kg.

Who wins the race in the data check?

The Mercedes A Class comes out clearly 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 £32,600
A Class

Mercedes A Class

  • Engine Type Petrol MHEV, Diesel, Plugin Hybrid, Petrol
  • Transmission Automatic
  • Drive Type Front-Wheel Drive, All-Wheel Drive
  • Power HP 116 - 421 HP
  • Consumption L/100km 2.3 - 9 L/100km
  • Electric Range 85 km
details

Frequently compared as well

Hyundai IONIQ 5
Kia EV3
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The Hyundai IONIQ 5 and the Kia EV3 are two fresh electric crossovers that mix bold styling, modern tech and practical range to suit everyday driving. The IONIQ 5 leans toward roomy comfort and long-distance capability with a more refined interior, while the EV3 prioritizes compact dimensions, …
Mercedes A Class
Mercedes B Class
VS
The Mercedes A‑Class is the sporty, tech‑savvy compact that thrills with sharp handling and a slick cockpit, while the Mercedes B‑Class trades a bit of attitude for towering practicality, roomier seats and a more useful boot. Choose the A‑Class if you want driving fun and style; pick the B‑Class if …
Hyundai IONIQ 5
Mercedes A 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 A Class

The Mercedes A‑Class arrives as a compact charmer that dresses premium materials and a cockpit full of screens in a tidy, city-friendly package, delivering surprising agility and poise. For buyers who want a luxury badge, clever tech and a car that's equally happy in tight streets or on a spirited country run, the A‑Class offers a grown-up feel with a cheeky streak.

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Reviews Mercedes A Class

2.7 (1 Reviews)
rate

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

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Hyundai IONIQ 5
Mercedes A Class

Costs and Consumption
Price
43,300 - 46,100 £
Price
32,600 - 66,500 £
Consumption L/100km
-
Consumption L/100km
2.3 - 9 L/100km
Consumption kWh/100km
15.6 - 16 kWh/100km
Consumption kWh/100km
-
Electric Range
440 - 570 km
Electric Range
85 km
Battery Capacity
-
Battery Capacity
-
co2
0 g/km
co2
53 - 205 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
Hatchback
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,955 - 2,060 kg
Curb weight
1,440 - 1,695 kg
Trunk capacity
520 L
Trunk capacity
310 - 350 L
Length
-
Length
-
Width
1,890 mm
Width
1,796 - 1,850 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
515 - 530 kg
Payload
450 - 485 kg

Engine and Performance
Engine Type
Electric
Engine Type
Petrol MHEV, Diesel, Plugin Hybrid, 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
3.9 - 9.7 s
Max Speed
-
Max Speed
-
Torque
350 Nm
Torque
200 - 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
D, E, 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.