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BMW i4 vs Kia Stonic comparison

Compare performance (601 HP vs 115 HP), boot space and price (49,900 £ vs 20,400 £ ) at a glance. Find out which car is the better choice for you – BMW i4 or Kia Stonic?

BMW i4 vs Kia Stonic: Key differences

BMW i4

5 (3 Reviews)
rate
  • significantly more power
  • considerably quicker 0–100 km/h
  • markedly more trunk space
details

Kia Stonic

4.6 (2 Reviews)
rate
  • significantly cheaper
  • substantially 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

i4

Costs and Efficiency:

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

Kia Stonic is significantly cheaper – starting at 20,400 £ , while the BMW i4 costs 49,900 £ . That’s a price difference of around 29,494 £.

Stonic

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 BMW i4 offers significantly more power – delivering 601 HP compared to 115 HP. That’s roughly 486 HP more horsepower.

When accelerating from 0 to 100 km/h, the BMW i4 is considerably quicker – completing the sprint in 3.7 s, while the Kia Stonic takes 10.7 s. That’s about 7 s quicker.

There’s also a difference in torque: the BMW i4 delivers clearly more torque with 795 Nm compared to 200 Nm. That’s about 595 Nm more.

i4

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 terms of curb weight, Kia Stonic is substantially lighter – 1,205 kg compared to 2,070 kg. The difference is around 865 kg.

Looking at boot space, the BMW i4 offers markedly more boot space – 470 L compared to 352 L. That’s a difference of about 118 L.

When it comes to payload, the BMW i4 carries very slightly more – 480 kg compared to 445 kg. That’s a difference of about 35 kg.

Who wins the race in the data check?

The BMW i4 is decisively ahead 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 £49,900
i4

BMW i4

  • Engine Type Electric
  • Transmission Automatic
  • Drive Type Rear-Wheel Drive, All-Wheel Drive
  • Power HP 286 - 601 HP
  • Consumption kWh/100km 14.7 - 16.7 kWh/100km
  • Electric Range 514 - 613 km
details

Frequently compared as well

BMW i4
Alpine A390
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The BMW i4 and the Alpine A390 are two very different propositions: the i4 delivers electric-powered refinement and everyday usability, while the Alpine A390 focuses on lightweight, driver-focused sportiness. This comparison will cut through the noise so you can quickly see which car better matches …
Kia Stonic
Kia XCeed
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In the city crossover showdown, the Kia Stonic is the cheeky, budget-friendly pocket SUV while the Kia XCeed steps up as the sleeker, more grown-up option with sharper handling and extra space. Pick the Stonic for low running costs and easy parking; go for the XCeed if you want a more planted …
BMW i4
Kia Stonic

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

BMW i4

The BMW i4 arrives with the poise of a classic Gran Coupé, marrying BMW's playful handling with a sleek, modern interior that makes switching to electric feel like an upgrade rather than a compromise. For buyers who want a practical daily driver that still enjoys a spirited back-road run, the i4 quietly delivers smiles and a surprising dose of driver engagement.

details
P90439358_highRes_bmw-i4-m50-9-2021
P90439356_highRes_bmw-i4-m50-9-2021
P90439360_highRes_bmw-i4-m50-9-2021
P90439369_highRes_bmw-i4-m50-9-2021
P90422904_highRes_bmw-i4-interieur-6-2

Reviews BMW i4

5 (3 Reviews)
rate
Marco
23 Apr 2026, 14:56:19

Amazing car with enormous torque, equipment and driving experience, at an acceptable fuel consumption.

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

Kia Stonic

The Kia Stonic is a compact crossover that pairs nimble city manners with a surprisingly spacious and comfortable cabin. It’s a practical, well-equipped choice for buyers who value sensible features, approachable styling and easy everyday usability.

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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

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The BMW i4 and BMW iX2 represent two distinct approaches to electrification: the i4 is a sporty electric Gran Coupe focused on driving dynamics, while the iX2 is a compact electric SUV that prioritizes space and practicality. This comparison will cut through the specs to show how they differ in …
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Kia Ceed
Kia Stonic
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BMW i4
Kia Stonic

Costs and Consumption
Price
49,900 - 63,200 £
Price
20,400 - 26,800 £
Consumption L/100km
-
Consumption L/100km
5.6 - 5.7 L/100km
Consumption kWh/100km
14.7 - 16.7 kWh/100km
Consumption kWh/100km
-
Electric Range
514 - 613 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
0 g/km
co2
126 - 128 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Hatchback
Body Type
SUV
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
2,070 - 2,285 kg
Curb weight
1,205 - 1,270 kg
Trunk capacity
470 L
Trunk capacity
352 L
Length
-
Length
-
Width
1,852 mm
Width
1,760 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
445 - 480 kg
Payload
440 - 445 kg

Engine and Performance
Engine Type
Electric
Engine Type
Petrol, Petrol MHEV
Transmission
Automatic
Transmission
Manuel, Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
Front-Wheel Drive
Power HP
286 - 601 HP
Power HP
100 - 115 HP
Acceleration 0-100km/h
3.7 - 6 s
Acceleration 0-100km/h
10.7 - 12.1 s
Max Speed
-
Max Speed
-
Torque
400 - 795 Nm
Torque
172 - 200 Nm
Number of Cylinders
-
Number of Cylinders
3
Power kW
210 - 442 kW
Power kW
74 - 85 kW
Engine capacity
-
Engine capacity
998 cm3

General
Model Year
2,024 - 2,025
Model Year
2025
CO2 Efficiency Class
A
CO2 Efficiency Class
D
Brand
BMW
Brand
Kia
Is the BMW i4 offered with different drivetrains?

The BMW i4 is offered with Rear-Wheel Drive or All-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.