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Audi A8 vs BMW i4 comparison

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

Audi A8 vs BMW i4: Key differences

Audi A8

5 (1 Reviews)
rate
  • marginally lighter
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BMW i4

5 (3 Reviews)
rate
  • clearly cheaper
  • barely more power
  • clearly more electric range
  • only slightly quicker 0–100 km/h
  • a bit 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

A8

Costs and Efficiency:

Price and efficiency are often the first things buyers look at. Here it becomes clear which model has the long-term edge – whether at the pump, the plug, or in purchase price.

BMW i4 is clearly cheaper – starting at 49,400 £ , while the Audi A8 costs 91,400 £ . That’s a price difference of around 42,000 £.

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

i4

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 barely 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.

A8

Space and Everyday Use:

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

Both vehicles offer seating for 5 people.

In terms of curb weight, Audi A8 is marginally lighter – 2,035 kg compared to 2,070 kg. The difference is around 35 kg.

Looking at boot space, the BMW i4 offers a bit 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 visibly 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 £49,400
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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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.

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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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

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Audi A8
BMW i4

Costs and Consumption
Price
91,400 - 134,900 £
Price
49,400 - 62,500 £
Consumption L/100km
4.6 - 11.5 L/100km
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
14.7 - 16.7 kWh/100km
Electric Range
58 km
Electric Range
514 - 613 km
Battery Capacity
-
Battery Capacity
-
co2
105 - 260 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

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

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

General
Model Year
2025
Model Year
2,024 - 2,025
CO2 Efficiency Class
G, C
CO2 Efficiency Class
A
Brand
Audi
Brand
BMW
What drive types are available for the Audi A8?

The Audi A8 is available as 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.