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BMW iX vs Audi A7 comparison

Compare performance (659 HP vs 630 HP), boot space and price (71,600 £ vs 55,000 £ ) at a glance. Find out which car is the better choice for you – BMW iX or Audi A7?

BMW iX vs Audi A7: Key differences

BMW iX

4.3 (4 Reviews)
rate
  • barely more power
  • considerably more electric range
details

Audi A7

  • noticeably cheaper
  • a bit quicker 0–100 km/h
  • substantially lighter
  • marginally more trunk space
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

iX

Costs and Efficiency:

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

Audi A7 is noticeably cheaper – starting at 55,000 £ , while the BMW iX costs 71,600 £ . That’s a price difference of around 16,543 £.

As for electric range, the BMW iX offers considerably more range – reaching up to 701 km, about 633 km more than the Audi A7.

A7

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 iX offers barely more power – delivering 659 HP compared to 630 HP. That’s roughly 29 HP more horsepower.

When accelerating from 0 to 100 km/h, the Audi A7 is a bit quicker – completing the sprint in 3.4 s, while the BMW iX takes 3.8 s. That’s about 0.4 s quicker.

There’s also a difference in torque: the BMW iX delivers somewhat more torque with 1,015 Nm compared to 850 Nm. That’s about 165 Nm more.

iX

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: BMW iX offers more seats – 5 vs 4.

In terms of curb weight, Audi A7 is substantially lighter – 1,770 kg compared to 2,525 kg. The difference is around 755 kg.

Looking at boot space, the Audi A7 offers marginally more boot space – 535 L compared to 500 L. That’s a difference of about 35 L.

When it comes to payload, the Audi A7 carries very slightly more – 600 kg compared to 575 kg. That’s a difference of about 25 kg.

Who wins the race in the data check?

The BMW iX holds a decisive overall lead 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 £71,600
iX

BMW iX

  • Engine Type Electric
  • Transmission Automatic
  • Drive Type All-Wheel Drive
  • Power HP 408 - 659 HP
  • Consumption kWh/100km 17.8 - 20.6 kWh/100km
  • Electric Range 600 - 701 km
BMW iX
Audi A7

Costs and Consumption

View detailed analysis

Engine and Performance

View detailed analysis

Dimensions and Body

View detailed analysis

BMW iX

The BMW iX arrives like a tech-rich luxury SUV that refuses to shout, offering a serene yet authoritative road presence that suits both city commutes and long-distance cruising. Inside, its minimalist cabin wraps high-quality materials and clever interfaces around a driver-focused layout, making it feel more like a forward-thinking lounge than just another electric appliance — and yes, it still delivers the dynamic driving character you'd expect from a BMW.

details

Audi A7

The Audi A7 wraps elegant fastback lines around a sumptuous, tech-packed cabin that turns everyday drives into something a bit more special. It strikes a polished balance between relaxed comfort and engaging poise, so you’ll enjoy long cruises and spirited backroad runs while arriving in unmistakable style.

details
BMW iX
Audi A7

Costs and Consumption

Price
71,600 - 108,400 £
Price
55,000 - 117,900 £
Consumption L/100km
-
Consumption L/100km
1.2 - 12.2 L/100km
Consumption kWh/100km
17.8 - 20.6 kWh/100km
Consumption kWh/100km
-
Electric Range
600 - 701 km
Electric Range
67 - 68 km
Battery Capacity
-
Battery Capacity
14.4 kWh
co2
0 g/km
co2
28 - 276 g/km
Fuel tank capacity
-
Fuel tank capacity
52 - 73 L

Dimensions and Body

Body Type
SUV
Body Type
Hatchback
Seats
5
Seats
4
Doors
-
Doors
5
Curb weight
2,525 - 2,655 kg
Curb weight
1,770 - 2,150 kg
Trunk capacity
500 L
Trunk capacity
380 - 535 L
Length
-
Length
4,969 - 5,009 mm
Width
1,970 mm
Width
1,908 - 1,950 mm
Height
-
Height
1,422 - 1,424 mm
Max trunk capacity
-
Max trunk capacity
1,235 - 1,390 L
Payload
505 - 575 kg
Payload
510 - 600 kg

Engine and Performance

Engine Type
Electric
Engine Type
Diesel MHEV, Petrol MHEV, Plugin Hybrid
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Dual-Clutch Automatic, Automatic Gearbox
Drive Type
All-Wheel Drive
Drive Type
All-Wheel Drive, Front-Wheel Drive
Power HP
408 - 659 HP
Power HP
204 - 630 HP
Acceleration 0-100km/h
3.8 - 5.1 s
Acceleration 0-100km/h
3.4 - 8.1 s
Max Speed
-
Max Speed
245 - 280 km/h
Torque
700 - 1,015 Nm
Torque
370 - 850 Nm
Number of Cylinders
-
Number of Cylinders
4 - 8
Power kW
300 - 485 kW
Power kW
150 - 463 kW
Engine capacity
-
Engine capacity
1,968 - 3,996 cm3

General

Model Year
2025
Model Year
2,023 - 2,024
CO2 Efficiency Class
A
CO2 Efficiency Class
E, F, B, G
Brand
BMW
Brand
Audi
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.