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Hyundai IONIQ 5 vs Mercedes S-Class comparison
Compare performance (229 HP vs 635 HP), boot space and price (43,300 £ vs 104,000 £ ) at a glance. Find out which car is the better choice for you – Hyundai IONIQ 5 or Mercedes S-Class?
Hyundai IONIQ 5 vs Mercedes S-Class: Key differences
All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.
IONIQ 5
Costs and Efficiency:
Looking at overall running costs, both models reveal some interesting differences in everyday economy.
Hyundai IONIQ 5 is substantially cheaper – starting at 43,300 £ , while the Mercedes S-Class costs 104,000 £ . That’s a price difference of around 60,691 £.
As for electric range, the Hyundai IONIQ 5 offers substantially more range – reaching up to 570 km, about 452 km more than the Mercedes S-Class.
S-Class
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 S-Class offers substantially more power – delivering 635 HP compared to 229 HP. That’s roughly 406 HP more horsepower.
When accelerating from 0 to 100 km/h, the Mercedes S-Class is substantially quicker – completing the sprint in 4 s, while the Hyundai IONIQ 5 takes 7.5 s. That’s about 3.5 s quicker.
There’s also a difference in torque: the Mercedes S-Class delivers clearly more torque with 850 Nm compared to 350 Nm. That’s about 500 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, Hyundai IONIQ 5 is somewhat lighter – 1,955 kg compared to 2,165 kg. The difference is around 210 kg.
Looking at boot space, the Mercedes S-Class offers very slightly more boot space – 530 L compared to 520 L. That’s a difference of about 10 L.
When it comes to payload, the Mercedes S-Class carries somewhat more – 660 kg compared to 530 kg. That’s a difference of about 130 kg.
Who wins the race in the data check?
The Hyundai IONIQ 5 holds a narrow 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 £43,300
Hyundai IONIQ 5
Hyundai IONIQ 5
Mercedes S-Class
Costs and Consumption
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Engine and Performance
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Dimensions and Body
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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
Mercedes S-Class
The Mercedes S-Class wraps peerless comfort, whisper-quiet luxury and subtle tech wizardry into a chauffeur-ready package that still knows how to engage the driver. It’s the car for buyers who want to arrive relaxed, be taken seriously and occasionally enjoy a grin when the road reminds them this limousine can dance.
details
Hyundai IONIQ 5
Mercedes S-Class
Costs and Consumption |
|
|---|---|
|
Price
43,300 - 46,100 £
|
Price
104,000 - 201,400 £
|
|
Consumption L/100km
-
|
Consumption L/100km
2.2 - 11 L/100km
|
|
Consumption kWh/100km
15.6 - 16 kWh/100km
|
Consumption kWh/100km
-
|
|
Electric Range
440 - 570 km
|
Electric Range
98 - 118 km
|
|
Battery Capacity
-
|
Battery Capacity
-
|
|
co2
0 g/km
|
co2
50 - 252 g/km
|
|
Fuel tank capacity
-
|
Fuel tank capacity
-
|
Dimensions and Body |
|
|---|---|
|
Body Type
SUV
|
Body Type
Sedan
|
|
Seats
5
|
Seats
5
|
|
Doors
-
|
Doors
-
|
|
Curb weight
1,955 - 2,060 kg
|
Curb weight
2,165 - 2,650 kg
|
|
Trunk capacity
520 L
|
Trunk capacity
345 - 530 L
|
|
Length
-
|
Length
-
|
|
Width
1,890 mm
|
Width
1,921 mm
|
|
Height
-
|
Height
-
|
|
Max trunk capacity
-
|
Max trunk capacity
-
|
|
Payload
515 - 530 kg
|
Payload
420 - 660 kg
|
Engine and Performance |
|
|---|---|
|
Engine Type
Electric
|
Engine Type
Petrol MHEV, Plugin Hybrid, Diesel MHEV
|
|
Transmission
Automatic
|
Transmission
Automatic
|
|
Transmission Detail
Reduction Gearbox
|
Transmission Detail
Automatic Gearbox
|
|
Drive Type
Rear-Wheel Drive
|
Drive Type
All-Wheel Drive, Rear-Wheel Drive
|
|
Power HP
170 - 229 HP
|
Power HP
336 - 635 HP
|
|
Acceleration 0-100km/h
7.5 - 8.5 s
|
Acceleration 0-100km/h
4 - 5.7 s
|
|
Max Speed
-
|
Max Speed
-
|
|
Torque
350 Nm
|
Torque
560 - 850 Nm
|
|
Number of Cylinders
-
|
Number of Cylinders
6 - 8
|
|
Power kW
125 - 168 kW
|
Power kW
247 - 467 kW
|
|
Engine capacity
-
|
Engine capacity
2,989 - 3,982 cm3
|
General |
|
|---|---|
|
Model Year
2025
|
Model Year
2026
|
|
CO2 Efficiency Class
A
|
CO2 Efficiency Class
G, B, F
|
|
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.