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Hyundai IONIQ 5 vs Mercedes A Class Saloon comparison

Compare performance (229 HP vs 320 HP), boot space and price (43,300 £ vs 32,700 £ ) at a glance. Find out which car is the better choice for you – Hyundai IONIQ 5 or Mercedes A Class Saloon?

Hyundai IONIQ 5 vs Mercedes A Class Saloon: Key differences

Hyundai IONIQ 5

4.9 (3 Reviews)
rate
  • substantially more electric range
  • clearly more trunk space
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Mercedes A Class Saloon

  • noticeably cheaper
  • noticeably more power
  • clearly 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:

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

Mercedes A Class Saloon is noticeably cheaper – starting at 32,700 £ , while the Hyundai IONIQ 5 costs 43,300 £ . That’s a price difference of around 10,607 £.

As for electric range, the Hyundai IONIQ 5 offers substantially more range – reaching up to 570 km, about 482 km more than the Mercedes A Class Saloon.

A Class Saloon

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 A Class Saloon offers noticeably more power – delivering 320 HP compared to 229 HP. That’s roughly 91 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes A Class Saloon is clearly quicker – completing the sprint in 4.8 s, while the Hyundai IONIQ 5 takes 7.5 s. That’s about 2.7 s quicker.

There’s also a difference in torque: the Mercedes A Class Saloon delivers noticeably more torque with 450 Nm compared to 350 Nm. That’s about 100 Nm more.

IONIQ 5

Space and Everyday Use:

Cabin size, boot volume and payload all play a role in everyday practicality. Here, comfort and flexibility make the difference.

Both vehicles offer seating for 5 people.

In terms of curb weight, Mercedes A Class Saloon is visibly lighter – 1,450 kg compared to 1,955 kg. The difference is around 505 kg.

Looking at boot space, the Hyundai IONIQ 5 offers clearly more boot space – 520 L compared to 395 L. That’s a difference of about 125 L.

When it comes to payload, the Hyundai IONIQ 5 carries only slightly more – 530 kg compared to 490 kg. That’s a difference of about 40 kg.

Who wins the race in the data check?

The Hyundai IONIQ 5 sits just 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 £43,300
IONIQ 5

Hyundai IONIQ 5

  • Engine Type Electric
  • Transmission Automatic
  • Drive Type Rear-Wheel Drive
  • Power HP 170 - 229 HP
  • Consumption kWh/100km 15.6 - 16 kWh/100km
  • Electric Range 440 - 570 km
Hyundai IONIQ 5
Mercedes A Class Saloon

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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Mercedes A Class Saloon

The Mercedes A‑Class Saloon blends compact practicality with premium flair, wrapping a surprisingly spacious interior in a slick, modern package that feels more grown-up than its hatchback sibling. It’s an ideal choice for city drivers who want Mercedes polish and cutting-edge tech without the ostentation of a larger saloon, and it even manages to make the daily commute feel a little bit special.

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Hyundai IONIQ 5
Mercedes A Class Saloon

Costs and Consumption

Price
43,300 - 46,100 £
Price
32,700 - 55,900 £
Consumption L/100km
-
Consumption L/100km
0.7 - 8.1 L/100km
Consumption kWh/100km
15.6 - 16 kWh/100km
Consumption kWh/100km
-
Electric Range
440 - 570 km
Electric Range
88 km
Battery Capacity
-
Battery Capacity
12.9 kWh
co2
0 g/km
co2
16 - 184 g/km
Fuel tank capacity
-
Fuel tank capacity
35 - 51 L

Dimensions and Body

Body Type
SUV
Body Type
Sedan
Seats
5
Seats
5
Doors
-
Doors
4
Curb weight
1,955 - 2,060 kg
Curb weight
1,450 - 1,705 kg
Trunk capacity
520 L
Trunk capacity
345 - 395 L
Length
-
Length
4,558 - 4,570 mm
Width
1,890 mm
Width
1,796 mm
Height
-
Height
1,413 - 1,429 mm
Max trunk capacity
-
Max trunk capacity
-
Payload
515 - 530 kg
Payload
475 - 490 kg

Engine and Performance

Engine Type
Electric
Engine Type
Plugin Hybrid, Petrol MHEV, Diesel
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 - 320 HP
Acceleration 0-100km/h
7.5 - 8.5 s
Acceleration 0-100km/h
4.8 - 9.9 s
Max Speed
-
Max Speed
206 - 250 km/h
Torque
350 Nm
Torque
200 - 450 Nm
Number of Cylinders
-
Number of Cylinders
4
Power kW
125 - 168 kW
Power kW
85 - 235 kW
Engine capacity
-
Engine capacity
1,332 - 1,991 cm3

General

Model Year
2025
Model Year
2,024 - 2,025
CO2 Efficiency Class
A
CO2 Efficiency Class
B, D, G, E
Brand
Hyundai
Brand
Mercedes-Benz
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.