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BMW i4 vs Audi A8 comparison

Compare performance (601 HP vs 571 HP), boot space and price (49,900 £ vs 91,400 £ ) at a glance. Find out which car is the better choice for you – BMW i4 or Audi A8?

BMW i4 vs Audi A8: Key differences

BMW i4

5 (3 Reviews)
rate
  • clearly cheaper
  • only slightly more power
  • clearly more electric range
  • only slightly quicker 0–100 km/h
  • slightly more trunk space
details

Audi A8

5 (1 Reviews)
rate
  • very slightly 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:

When it comes to price and running costs, the biggest differences usually appear. This is often where you see which car fits your budget better in the long run.

BMW i4 is clearly cheaper – starting at 49,900 £ , while the Audi A8 costs 91,400 £ . That’s a price difference of around 41,486 £.

As for electric range, the BMW i4 offers clearly more range – reaching up to 613 km, about 555 km more than the Audi A8.

A8

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 BMW i4 offers only slightly more power – delivering 601 HP compared to 571 HP. That’s roughly 30 HP more horsepower.

When accelerating from 0 to 100 km/h, the BMW i4 is only slightly quicker – completing the sprint in 3.7 s, while the Audi A8 takes 3.8 s. That’s about 0.1 s quicker.

There’s also a difference in torque: the Audi A8 delivers very slightly more torque with 800 Nm compared to 795 Nm. That’s about 5 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, Audi A8 is very slightly lighter – 2,035 kg compared to 2,070 kg. The difference is around 35 kg.

Looking at boot space, the BMW i4 offers slightly more boot space – 470 L compared to 390 L. That’s a difference of about 80 L.

When it comes to payload, the Audi A8 carries clearly more – 700 kg compared to 480 kg. That’s a difference of about 220 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 £49,900
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
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Frequently compared as well

BMW i4
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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 …
BMW i4
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The BMW i4 feels like a familiar, impeccably tuned sports saloon — razor-sharp steering, plush interior and that badge-backed refinement for drivers who crave engagement over bargains. The BYD Seal, meanwhile, is the plucky tech-packed challenger: startling range and kit for the money, bold design …
BMW i4
Audi A8

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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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

Audi A8

The Audi A8 arrives with the kind of quiet authority that makes other limousines feel like they’re trying too hard, offering a cabin wrapped in subtle luxury and tech that never demands attention. For buyers who want composed comfort and discreet status, it’s the sensible splurge that turns daily commutes into a private parade.

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Reviews Audi A8

5 (1 Reviews)
rate

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

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Audi A8

Costs and Consumption
Price
49,900 - 63,200 £
Price
91,400 - 134,900 £
Consumption L/100km
-
Consumption L/100km
4.6 - 11.5 L/100km
Consumption kWh/100km
14.7 - 16.7 kWh/100km
Consumption kWh/100km
-
Electric Range
514 - 613 km
Electric Range
58 km
Battery Capacity
-
Battery Capacity
-
co2
0 g/km
co2
105 - 260 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Hatchback
Body Type
Sedan
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
2,070 - 2,285 kg
Curb weight
2,035 - 2,415 kg
Trunk capacity
470 L
Trunk capacity
390 L
Length
-
Length
-
Width
1,852 mm
Width
1,945 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
445 - 480 kg
Payload
525 - 700 kg

Engine and Performance
Engine Type
Electric
Engine Type
Petrol MHEV, Diesel MHEV, Plugin Hybrid
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
286 - 601 HP
Power HP
286 - 571 HP
Acceleration 0-100km/h
3.7 - 6 s
Acceleration 0-100km/h
3.8 - 5.9 s
Max Speed
-
Max Speed
-
Torque
400 - 795 Nm
Torque
500 - 800 Nm
Number of Cylinders
-
Number of Cylinders
6 - 8
Power kW
210 - 442 kW
Power kW
210 - 420 kW
Engine capacity
-
Engine capacity
2,967 - 3,996 cm3

General
Model Year
2,024 - 2,025
Model Year
2025
CO2 Efficiency Class
A
CO2 Efficiency Class
G, C
Brand
BMW
Brand
Audi
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.