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BMW i4 vs Kia K4 comparison

Compare performance (601 HP vs 180 HP), boot space and price (49,400 £ vs 24,800 £ ) at a glance. Find out which car is the better choice for you – BMW i4 or Kia K4?

BMW i4 vs Kia K4: Key differences

BMW i4

5 (3 Reviews)
rate
  • substantially more power
  • substantially quicker 0–100 km/h
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Kia K4

  • significantly cheaper
  • significantly lighter
  • visibly more trunk space
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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.

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 K4 is significantly cheaper – starting at 24,800 £ , while the BMW i4 costs 49,400 £ . That’s a price difference of around 24,609 £.

K4

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 BMW i4 offers substantially more power – delivering 601 HP compared to 180 HP. That’s roughly 421 HP more horsepower.

When accelerating from 0 to 100 km/h, the BMW i4 is substantially quicker – completing the sprint in 3.7 s, while the Kia K4 takes 8.4 s. That’s about 4.7 s quicker.

There’s also a difference in torque: the BMW i4 delivers clearly more torque with 795 Nm compared to 265 Nm. That’s about 530 Nm more.

i4

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 K4 is significantly lighter – 1,415 kg compared to 2,070 kg. The difference is around 655 kg.

Looking at boot space, the Kia K4 offers visibly more boot space – 604 L compared to 470 L. That’s a difference of about 134 L.

When it comes to payload, the BMW i4 carries barely more – 480 kg compared to 455 kg. That’s a difference of about 25 kg.

Who wins the race in the data check?

The BMW i4 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 £49,400
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
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BMW i4
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BMW i4
Kia K4

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.

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P90439369_highRes_bmw-i4-m50-9-2021
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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 K4

Kia K4 shakes up the compact-sedan crowd with concept-car looks, a smartly packaged cabin, and the kind of easygoing refinement that makes rush hour feel less like a chore. It blends value, tech, and a dash of attitude, serving up a smooth, confident drive that might have you taking the long way home just to show off those angles.

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Reviews Kia K4

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BMW i4
Kia K4

Costs and Consumption
Price
49,400 - 62,500 £
Price
24,800 - 34,200 £
Consumption L/100km
-
Consumption L/100km
5.8 - 7.2 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
132 - 161 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Hatchback
Body Type
Hatchback, Estate
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
2,070 - 2,285 kg
Curb weight
1,415 - 1,540 kg
Trunk capacity
470 L
Trunk capacity
328 - 604 L
Length
-
Length
-
Width
1,852 mm
Width
1,850 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
445 - 480 kg
Payload
435 - 455 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
115 - 180 HP
Acceleration 0-100km/h
3.7 - 6 s
Acceleration 0-100km/h
8.4 - 12.3 s
Max Speed
-
Max Speed
-
Torque
400 - 795 Nm
Torque
200 - 265 Nm
Number of Cylinders
-
Number of Cylinders
3 - 4
Power kW
210 - 442 kW
Power kW
85 - 132 kW
Engine capacity
-
Engine capacity
998 - 1,598 cm3

General
Model Year
2,024 - 2,025
Model Year
2,025 - 2,026
CO2 Efficiency Class
A
CO2 Efficiency Class
D, E, F
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.