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Kia Stonic vs Mercedes E Class comparison

Compare performance (115 HP vs 585 HP), boot space and price (20,400 £ vs 50,500 £ ) 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

4.6 (2 Reviews)
rate
  • considerably cheaper
  • significantly lighter
details

Mercedes E Class

4.7 (2 Reviews)
rate
  • substantially more power
  • significantly more efficient
  • significantly quicker 0–100 km/h
  • noticeably more trunk space
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

Stonic

Costs and Efficiency:

Price and efficiency are often the first things buyers look at. Here it becomes clear which model has the long-term edge – whether at the pump, the plug, or in purchase price.

Kia Stonic is considerably cheaper – starting at 20,400 £ , while the Mercedes E Class costs 50,500 £ . That’s a price difference of around 30,099 £.

Fuel consumption also shows a difference: the Mercedes E Class uses 1.5 L/100km and is significantly more efficient than the Kia Stonic with 5.6 L/100km. The difference is about 4.1 L/100km.

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 offers substantially more power – delivering 585 HP compared to 115 HP. That’s roughly 470 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes E Class is significantly quicker – completing the sprint in 4 s, while the Kia Stonic takes 10.7 s. That’s about 6.7 s quicker.

There’s also a difference in torque: the Mercedes E Class delivers considerably more torque with 750 Nm compared to 200 Nm. That’s about 550 Nm more.

Stonic

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, Kia Stonic is significantly lighter – 1,205 kg compared to 1,810 kg. The difference is around 605 kg.

Looking at boot space, the Mercedes E Class offers noticeably more boot space – 540 L compared to 352 L. That’s a difference of about 188 L.

When it comes to payload, the Mercedes E Class carries clearly more – 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 far 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 £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/100km
  • Electric Range : 101 - 116 km
details

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Mercedes E Class

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Kia Stonic

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

Reviews Kia Stonic

4.6 (2 Reviews)
rate
Jan
18 Mar 2026, 07:19:10

Very good car, uses little fuel, nothing's gone wrong in 4 years, no breakdowns.

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

Mercedes E Class

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.

details
19C0741_014
19C0741_016
18C0338_006

Reviews Mercedes E Class

4.7 (2 Reviews)
rate
Carlos
11 Apr 2026, 20:47:10

Comfortable car, beautiful lines, powerful and economical to run.

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

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Kia Stonic
Mercedes E Class

Costs and Consumption
Price
20,400 - 26,800 £
Price
50,500 - 119,700 £
Consumption L/100km
5.6 - 5.7 L/100km
Consumption L/100km
1.5 - 7.5 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
101 - 116 km
Battery Capacity
-
Battery Capacity
-
co2
126 - 128 g/km
co2
39 - 172 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
1,205 - 1,270 kg
Curb weight
1,810 - 2,390 kg
Trunk capacity
352 L
Trunk capacity
370 - 540 L
Length
-
Length
-
Width
1,760 mm
Width
1,880 mm
Height
-
Height
-
Max trunk capacity
-
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
-
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
1,993 - 2,999 cm3

General
Model Year
2025
Model Year
2,024 - 2,025
CO2 Efficiency Class
D
CO2 Efficiency Class
E, F, B, D
Brand
Kia
Brand
Mercedes-Benz
Is the Kia Stonic offered with different drivetrains?

The Kia Stonic is offered with Front-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.