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Hyundai IONIQ 5 vs Mercedes SL Class comparison

Compare performance (229 HP vs 816 HP), boot space and price (43,300 £ vs 112,700 £ ) at a glance. Find out which car is the better choice for you – Hyundai IONIQ 5 or Mercedes SL Class?

Hyundai IONIQ 5 vs Mercedes SL Class: Key differences

Hyundai IONIQ 5

4.9 (3 Reviews)
rate
  • clearly cheaper
  • considerably more electric range
  • substantially more trunk space
details

Mercedes SL Class

  • significantly more power
  • substantially quicker 0–100 km/h
  • barely lighter
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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.

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.

Hyundai IONIQ 5 is clearly cheaper – starting at 43,300 £ , while the Mercedes SL Class costs 112,700 £ . That’s a price difference of around 69,376 £.

As for electric range, the Hyundai IONIQ 5 offers considerably more range – reaching up to 570 km, about 558 km more than the Mercedes SL Class.

SL 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 SL Class offers significantly more power – delivering 816 HP compared to 229 HP. That’s roughly 587 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes SL Class is substantially quicker – completing the sprint in 2.9 s, while the Hyundai IONIQ 5 takes 7.5 s. That’s about 4.6 s quicker.

There’s also a difference in torque: the Mercedes SL Class delivers considerably more torque with 1,420 Nm compared to 350 Nm. That’s about 1,070 Nm more.

IONIQ 5

Space and Everyday Use:

Whether family car or daily driver – which one offers more room, flexibility and comfort?

Seats: Hyundai IONIQ 5 offers more seats – 5 vs 4.

In terms of curb weight, Mercedes SL Class is barely lighter – 1,810 kg compared to 1,955 kg. The difference is around 145 kg.

Looking at boot space, the Hyundai IONIQ 5 offers substantially more boot space – 520 L compared to 240 L. That’s a difference of about 280 L.

When it comes to payload, the Hyundai IONIQ 5 carries visibly more – 530 kg compared to 375 kg. That’s a difference of about 155 kg.

Who wins the race in the data check?

The Hyundai IONIQ 5 is clearly superior 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
details

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Hyundai IONIQ 5
Mercedes SL 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

4.9 (3 Reviews)
rate
Matze
30 Jun 2026, 17:58:46

An excellent electric CUV (subjective impression): plenty of power as an AWD, great equipment (N Line X), range is okay and consumption is reasonable, and the looks are simply different from the others.

How do you mainly use this car? (optional): City / Short distance
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
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 SL Class

The Mercedes SL blends timeless elegance with a cheeky sense of occasion, its retractable roof turning any commute into a small celebratory parade. Behind the wheel it behaves like a grown-up sports car that prefers comfort and presence over headline-grabbing bravado, making it a tempting choice for buyers who want to arrive in style.

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Reviews Mercedes SL Class

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

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Hyundai IONIQ 5
Mercedes SL Class

Costs and Consumption
Price
43,300 - 46,100 £
Price
112,700 - 219,300 £
Consumption L/100km
-
Consumption L/100km
9 - 13.6 L/100km
Consumption kWh/100km
15.6 - 16 kWh/100km
Consumption kWh/100km
-
Electric Range
440 - 570 km
Electric Range
12 km
Battery Capacity
-
Battery Capacity
-
co2
0 g/km
co2
206 - 309 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
Roadster
Seats
5
Seats
4
Doors
-
Doors
-
Curb weight
1,955 - 2,060 kg
Curb weight
1,810 - 2,195 kg
Trunk capacity
520 L
Trunk capacity
110 - 240 L
Length
-
Length
-
Width
1,890 mm
Width
1,915 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
515 - 530 kg
Payload
145 - 375 kg

Engine and Performance
Engine Type
Electric
Engine Type
Petrol MHEV, Petrol, Plug-in Hybrid
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
Rear-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
170 - 229 HP
Power HP
435 - 816 HP
Acceleration 0-100km/h
7.5 - 8.5 s
Acceleration 0-100km/h
2.9 - 4.7 s
Max Speed
-
Max Speed
-
Torque
350 Nm
Torque
500 - 1,420 Nm
Number of Cylinders
-
Number of Cylinders
4 - 8
Power kW
125 - 168 kW
Power kW
320 - 600 kW
Engine capacity
-
Engine capacity
1,991 - 3,982 cm3

General
Model Year
2025
Model Year
2025
CO2 Efficiency Class
A
CO2 Efficiency Class
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.