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Kia Stonic vs Mercedes E Class comparison

Compare performance (115 HP vs 585 HP), boot space and price (20100 £ vs 50500 £ ) at a glance. Find out which car is the better choice for you – Kia Stonic or Mercedes E Class?

Kia Stonic vs Mercedes E Class: Key differences

Kia Stonic

4.3 (1 Reviews)
rate
  • significantly cheaper
  • decisively lighter

Mercedes E Class

4.4 (1 Reviews)
rate
  • decisively more power
  • convincingly more efficient
  • clearly quicker from 0–100 km/h
  • distinct more trunk space

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

Stonic

Costs and Efficiency:

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

Kia Stonic has a significantly advantage in terms of price – it starts at 20100 £ , while the Mercedes E Class costs 50500 £ . That’s a price difference of around 30356 £.

Fuel consumption also shows a difference: Mercedes E Class manages with 1.50 L and is therefore convincingly more efficient than the Kia Stonic with 5.60 L. The difference is about 4.10 L per 100 km.

E 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 E Class has a decisively edge – offering 585 HP compared to 115 HP. That’s roughly 470 HP more horsepower.

In acceleration from 0 to 100 km/h, the Mercedes E Class is clearly quicker – completing the sprint in 4 s, while the Kia Stonic takes 10.70 s. That’s about 6.70 s faster.

There’s also a difference in torque: Mercedes E Class pulls clearly stronger with 750 Nm compared to 200 Nm. That’s about 550 Nm difference.

Stonic

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 curb weight, Kia Stonic is decisively lighter – 1205 kg compared to 1810 kg. The difference is around 605 kg.

In terms of boot space, the Mercedes E Class offers distinct more room – 540 L compared to 352 L. That’s a difference of about 188 L.

When it comes to payload, Mercedes E Class evident takes the win – 640 kg compared to 445 kg. That’s a difference of about 195 kg.

Who wins the race in the data check?

The Mercedes E Class 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.

Frequently compared as well

Kia Stonic
Kia XCeed
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Hyundai Kona
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Kia Stonic
Mercedes E Class

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis
from about £50,500
E Class

Mercedes E Class

  • Engine Type : Petrol MHEV, Plugin Hybrid, Diesel MHEV
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 186 - 585 HP
  • Consumption L/100km : 1.5 - 7.5 L
  • Electric Range : 101 - 116 km
details

Kia Stonic

4.3 (1 Reviews)
rate

The Kia Stonic is a sprightly compact crossover that mixes city-friendly agility with a cheeky, modern design — perfect for buyers who want style without sacrificing sense. Inside it serves up clever practicality and a bright, well-equipped cabin, making everyday driving feel a bit more fun than it has any right to be.

details
Kia_Stonic_MY22_04
Kia_Stonic_MY22_16
Kia_Stonic_MY22_15
Kia_Stonic_MY22_08
Kia_Stonic_MJ22_05

Mercedes E Class

4.4 (1 Reviews)
rate

The Mercedes E‑Class is the executive saloon that balances calm refinement with a hint of sporting intent, wrapping luxury in tasteful understatement. It pampers occupants with a composed ride and intuitive tech while quietly reminding you that it’s still very much a Mercedes — authoritative, polished, and unwilling to shout for attention.

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19C0741_016
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Reviews Kia Stonic

4.3 (1 Reviews)
rate
Ennio
4 Feb 2026, 13:19:36

I'm very satisfied — I have a Stonic Black Edition hybrid, and I haven't had any problems after two years.

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

Reviews Mercedes E Class

4.4 (1 Reviews)
rate
Kia Stonic
Mercedes E Class

Costs and Consumption
Price
20100 - 26600 £
Price
50500 - 119700 £
Consumption L/100km
5.6 - 5.9 L
Consumption L/100km
1.5 - 7.5 L
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
101 - 116 km
Battery Capacity
-
Battery Capacity
-
co2
127 - 133 g/km
co2
39 - 172 g/km
Fuel tank capacity
45 L
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
Sedan
Seats
5
Seats
5
Doors
5
Doors
-
Curb weight
1205 - 1270 kg
Curb weight
1810 - 2390 kg
Trunk capacity
352 L
Trunk capacity
370 - 540 L
Length
4165 mm
Length
-
Width
1760 mm
Width
1880 mm
Height
1520 mm
Height
-
Max trunk capacity
1155 L
Max trunk capacity
-
Payload
440 - 445 kg
Payload
530 - 640 kg

Engine and Performance
Engine Type
Petrol, Petrol MHEV
Engine Type
Petrol MHEV, Plugin Hybrid, Diesel MHEV
Transmission
Manuel, Automatic
Transmission
Automatic
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
Transmission Detail
Automatic Gearbox
Drive Type
Front-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
100 - 115 HP
Power HP
186 - 585 HP
Acceleration 0-100km/h
10.7 - 12.1 s
Acceleration 0-100km/h
4 - 8.5 s
Max Speed
179 - 182 km/h
Max Speed
-
Torque
172 - 200 Nm
Torque
320 - 750 Nm
Number of Cylinders
3
Number of Cylinders
4 - 6
Power kW
74 - 85 kW
Power kW
137 - 430 kW
Engine capacity
998 cm3
Engine capacity
1993 - 2999 cm3

General
Model Year
2025
Model Year
2024 - 2025
CO2 Efficiency Class
D
CO2 Efficiency Class
E, F, B, D
Brand
Kia
Brand
Mercedes-Benz

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Is the Kia Stonic offered with different drivetrains?

The Kia Stonic is offered with Front-Wheel Drive.

The prices shown are estimates based on German list prices, adjusted for local VAT. Local registration taxes (e.g. NoVA, BPM or CO2 malus) are not included. This information is not legally binding.