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BMW 4 Series Convertible vs NIO ET5 comparison

Compare performance (530 HP vs 490 HP), boot space and price (52,100 £ vs 40,700 £ ) at a glance. Find out which car is the better choice for you – BMW 4 Series Convertible or NIO ET5?

BMW 4 Series Convertible vs NIO ET5: Key differences

BMW 4 Series Convertible

  • only slightly more power
  • marginally quicker 0–100 km/h
  • visibly lighter
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NIO ET5

5 (1 Reviews)
rate
  • visibly cheaper
  • only slightly more trunk space
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By Achim Sedelmaier

Here’s where it gets real: The technical differences in detail

4 Series Convertible

Costs and Efficiency:

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

NIO ET5 is visibly cheaper – starting at 40,700 £ , while the BMW 4 Series Convertible costs 52,100 £ . That’s a price difference of around 11,400 £.

ET5

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 4 Series Convertible offers only slightly more power – delivering 530 HP compared to 490 HP. That’s roughly 40 HP more horsepower.

When accelerating from 0 to 100 km/h, the BMW 4 Series Convertible is marginally quicker – completing the sprint in 3.7 s, while the NIO ET5 takes 4 s. That’s about 0.3 s quicker.

Both models offer the same torque – 700 Nm.

4 Series Convertible

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.

Seats: NIO ET5 offers more seats – 5 vs 4.

In terms of curb weight, BMW 4 Series Convertible is visibly lighter – 1,765 kg compared to 2,215 kg. The difference is around 450 kg.

Looking at boot space, the NIO ET5 offers only slightly more boot space – 386 L compared to 385 L. That’s a difference of about 1 L.

When it comes to payload, the NIO ET5 carries moderately more – 475 kg compared to 420 kg. That’s a difference of about 55 kg.

Who wins the race in the data check?

The NIO ET5 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 £40,700
ET5

NIO ET5

  • Engine Type : Electric
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive
  • Power HP : 490 HP
  • Consumption kWh/100km : 18.6 - 18.9 kWh/100km
  • Electric Range : 456 - 590 km
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Frequently compared as well

BMW 4 Series Convertible
Mercedes CLE Convertible
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BMW 4 Series Convertible
Mercedes E-Class
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BMW 4 Series Convertible
NIO ET5

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

BMW 4 Series Convertible

The BMW 4 Series Convertible blends coupe-like elegance with open-top drama, its sleek profile and distinctive grille demanding attention whether the roof’s up or down. Behind the wheel it serves up taut handling and a refined ride, making it a rewarding choice for drivers who want sporty character without sacrificing everyday comfort — and yes, it looks spectacular when you drop the top.

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Reviews BMW 4 Series Convertible

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

NIO ET5

NIO ET5 arrives with sleek, minimalist lines and a cabin that feels more like a calm lounge than a dashboard, delivering a composed drive that keeps motorway monotony at bay. Tech is smart rather than showy, and the brand’s novel ownership options make it an appealing choice for buyers who want electric convenience without the usual headaches — plus it brings enough personality to make charging stops less boring.

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Reviews NIO ET5

5 (1 Reviews)
rate

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

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BMW 2 Series
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BMW 4 Series Convertible
NIO ET5

Costs and Consumption
Price
52,100 - 96,600 £
Price
40,700 - 58,700 £
Consumption L/100km
5.2 - 10.2 L/100km
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
18.6 - 18.9 kWh/100km
Electric Range
-
Electric Range
456 - 590 km
Battery Capacity
-
Battery Capacity
73.5 - 90 kWh
co2
136 - 231 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Convertible
Body Type
Hatchback
Seats
4
Seats
5
Doors
-
Doors
5
Curb weight
1,765 - 2,055 kg
Curb weight
2,215 - 2,235 kg
Trunk capacity
385 L
Trunk capacity
386 L
Length
-
Length
4,790 mm
Width
1,852 - 1,887 mm
Width
1,960 mm
Height
-
Height
1,499 mm
Max trunk capacity
-
Max trunk capacity
1,135 L
Payload
345 - 420 kg
Payload
455 - 475 kg

Engine and Performance
Engine Type
Diesel MHEV, Petrol, Petrol MHEV
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
184 - 530 HP
Power HP
490 HP
Acceleration 0-100km/h
3.7 - 8.2 s
Acceleration 0-100km/h
4 s
Max Speed
-
Max Speed
200 km/h
Torque
300 - 700 Nm
Torque
700 Nm
Number of Cylinders
4 - 6
Number of Cylinders
-
Power kW
135 - 390 kW
Power kW
360 kW
Engine capacity
1,995 - 2,998 cm3
Engine capacity
-

General
Model Year
2,024 - 2,025
Model Year
2023
CO2 Efficiency Class
E, F, G
CO2 Efficiency Class
A
Brand
BMW
Brand
NIO
What drive types are available for the BMW 4 Series Convertible?

The BMW 4 Series Convertible is available as 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.