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BMW 4 Series Convertible vs NIO ET7 comparison

Compare performance (530 HP vs 653 HP), boot space and price (52,600 £ vs 59,900 £ ) at a glance. Find out which car is the better choice for you – BMW 4 Series Convertible or NIO ET7?

BMW 4 Series Convertible vs NIO ET7: Key differences

BMW 4 Series Convertible

  • slightly cheaper
  • very slightly quicker 0–100 km/h
  • markedly lighter
  • only slightly more trunk space
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NIO ET7

  • slightly more power
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By Achim Sedelmaier

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

4 Series Convertible

Costs and Efficiency:

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

BMW 4 Series Convertible is slightly cheaper – starting at 52,600 £ , while the NIO ET7 costs 59,900 £ . That’s a price difference of around 7,286 £.

ET7

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 NIO ET7 offers slightly more power – delivering 653 HP compared to 530 HP. That’s roughly 123 HP more horsepower.

When accelerating from 0 to 100 km/h, the BMW 4 Series Convertible is very slightly quicker – completing the sprint in 3.7 s, while the NIO ET7 takes 3.8 s. That’s about 0.1 s quicker.

There’s also a difference in torque: the NIO ET7 delivers moderately more torque with 850 Nm compared to 700 Nm. That’s about 150 Nm more.

4 Series Convertible

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: NIO ET7 offers more seats – 5 vs 4.

In terms of curb weight, BMW 4 Series Convertible is markedly lighter – 1,765 kg compared to 2,434 kg. The difference is around 669 kg.

Looking at boot space, the BMW 4 Series Convertible offers only slightly more boot space – 385 L compared to 363 L. That’s a difference of about 22 L.

When it comes to payload, the NIO ET7 carries only slightly more – 466 kg compared to 420 kg. That’s a difference of about 46 kg.

Who wins the race in the data check?

The NIO ET7 is clearly superior 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 £59,900
ET7

NIO ET7

  • Engine Type Electric
  • Transmission Automatic
  • Drive Type All-Wheel Drive
  • Power HP 653 HP
  • Consumption kWh/100km 19 - 19.3 kWh/100km
  • Electric Range 451 - 584 km
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Frequently compared as well

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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 ET7

The NIO ET7 arrives like a calm thunderstorm — sleek, silent and unapologetically clever, turning motorway cruising into the sort of effortless glide that makes other cars feel noisy and rehearsed. Inside, it's all luxury sofas and smart gadgets that actually help rather than confuse, so buyers who crave tech and comfort will feel like they've upgraded their life without needing to spellcheck the manual.

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ET7
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Reviews NIO ET7

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NIO ET7

Costs and Consumption
Price
52,600 - 97,800 £
Price
59,900 - 68,900 £
Consumption L/100km
5.2 - 10.2 L/100km
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
19 - 19.3 kWh/100km
Electric Range
-
Electric Range
451 - 584 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
Sedan
Seats
4
Seats
5
Doors
-
Doors
4
Curb weight
1,765 - 2,055 kg
Curb weight
2,434 - 2,454 kg
Trunk capacity
385 L
Trunk capacity
363 L
Length
-
Length
5,101 mm
Width
1,852 - 1,887 mm
Width
1,987 mm
Height
-
Height
1,509 mm
Max trunk capacity
-
Max trunk capacity
-
Payload
345 - 420 kg
Payload
446 - 466 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
653 HP
Acceleration 0-100km/h
3.7 - 8.2 s
Acceleration 0-100km/h
3.8 s
Max Speed
-
Max Speed
200 km/h
Torque
300 - 700 Nm
Torque
850 Nm
Number of Cylinders
4 - 6
Number of Cylinders
-
Power kW
135 - 390 kW
Power kW
480 kW
Engine capacity
1,995 - 2,998 cm3
Engine capacity
-

General
Model Year
2,024 - 2,025
Model Year
2022
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.