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BMW Z4 vs Kia EV9 comparison

Compare performance (340 HP vs 508 HP), boot space and price (43,500 £ vs 54,600 £ ) at a glance. Find out which car is the better choice for you – BMW Z4 or Kia EV9?

BMW Z4 vs Kia EV9: Key differences

BMW Z4

4.4 (1 Reviews)
rate
  • visibly cheaper
  • only slightly quicker 0–100 km/h
  • clearly lighter
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Kia EV9

5 (1 Reviews)
rate
  • visibly more power
  • slightly 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

Z4

Costs and Efficiency:

Looking at overall running costs, both models reveal some interesting differences in everyday economy.

BMW Z4 is visibly cheaper – starting at 43,500 £ , while the Kia EV9 costs 54,600 £ . That’s a price difference of around 11,134 £.

EV9

Engine and Performance:

Under the bonnet, it becomes clear which model is tuned for sportiness and which one takes the lead when you hit the accelerator.

When it comes to engine power, the Kia EV9 offers visibly more power – delivering 508 HP compared to 340 HP. That’s roughly 168 HP more horsepower.

When accelerating from 0 to 100 km/h, the BMW Z4 is only slightly quicker – completing the sprint in 4.5 s, while the Kia EV9 takes 4.6 s. That’s about 0.1 s quicker.

There’s also a difference in torque: the Kia EV9 delivers clearly more torque with 740 Nm compared to 500 Nm. That’s about 240 Nm more.

Z4

Space and Everyday Use:

Cabin size, boot volume and payload all play a role in everyday practicality. Here, comfort and flexibility make the difference.

Seats: Kia EV9 offers more seats – 7 vs 2.

In terms of curb weight, BMW Z4 is clearly lighter – 1,510 kg compared to 2,392 kg. The difference is around 882 kg.

Looking at boot space, the Kia EV9 offers slightly more boot space – 333 L compared to 281 L. That’s a difference of about 52 L.

When it comes to payload, the Kia EV9 carries significantly more – 615 kg compared to 235 kg. That’s a difference of about 380 kg.

Who wins the race in the data check?

The Kia EV9 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 £54,600
EV9

Kia EV9

  • Engine Type Electric
  • Transmission Automatic
  • Drive Type Rear-Wheel Drive, All-Wheel Drive
  • Power HP 204 - 508 HP
  • Consumption kWh/100km 19.5 - 22.8 kWh/100km
  • Electric Range 443 - 563 km
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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

BMW Z4

The BMW Z4 is a taut, road-hugging roadster that pairs elegant, low-slung styling with a roof you can drop on a sunny whim, delivering that pure, wind-in-your-hair driving thrill few cars manage to match. It’s an ideal weekend companion for drivers who prefer engagement over practicality — bring good shoes rather than a lot of luggage, and you’ll get a grin every time you turn the wheel.

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P90479471_highRes_bmw-z4-m40i-09-2022

Reviews BMW Z4

4.4 (1 Reviews)
rate
Maingard
26 Apr 2026, 13:19:10

Responsive car, very high-performing, very agile in corners.

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

Kia EV9

The Kia EV9 is a bold, boxy electric SUV that looks like it could swallow your luggage and the in‑laws, with an interior that feels more lounge than cockpit and a presence that makes smaller rivals suddenly feel shy. On the road it delivers calm long‑distance composure with enough shove to keep overtakes effortless, and its tech and practicality make it an easy, sensible choice for buyers who want electric without compromise.

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Reviews Kia EV9

5 (1 Reviews)
rate

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

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BMW Z4
Kia EV9

Costs and Consumption
Price
43,500 - 65,300 £
Price
54,600 - 78,400 £
Consumption L/100km
6.9 - 8.5 L/100km
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
19.5 - 22.8 kWh/100km
Electric Range
-
Electric Range
443 - 563 km
Battery Capacity
-
Battery Capacity
-
co2
157 - 191 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Roadster
Body Type
SUV
Seats
2
Seats
6 - 7
Doors
-
Doors
-
Curb weight
1,510 - 1,640 kg
Curb weight
2,392 - 2,664 kg
Trunk capacity
281 L
Trunk capacity
333 L
Length
-
Length
-
Width
1,864 mm
Width
1,980 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
215 - 235 kg
Payload
542 - 615 kg

Engine and Performance
Engine Type
Petrol
Engine Type
Electric
Transmission
Manuel, Automatic
Transmission
Automatic
Transmission Detail
Manual Gearbox, Automatic Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
Rear-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
197 - 340 HP
Power HP
204 - 508 HP
Acceleration 0-100km/h
4.5 - 6.8 s
Acceleration 0-100km/h
4.6 - 9.4 s
Max Speed
-
Max Speed
-
Torque
320 - 500 Nm
Torque
350 - 740 Nm
Number of Cylinders
4 - 6
Number of Cylinders
-
Power kW
145 - 250 kW
Power kW
150 - 374 kW
Engine capacity
1,998 - 2,998 cm3
Engine capacity
-

General
Model Year
2,025 - 2,026
Model Year
2025
CO2 Efficiency Class
F, G
CO2 Efficiency Class
A
Brand
BMW
Brand
Kia
Is the BMW Z4 offered with different drivetrains?

The BMW Z4 is available as 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.