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Audi A6 e-tron Avant vs BMW iX3 comparison

Compare performance (551 HP vs 469 HP), boot space and price (55,200 £ vs 54,300 £ ) at a glance. Find out which car is the better choice for you – Audi A6 e-tron Avant or BMW iX3?

Audi A6 e-tron Avant vs BMW iX3: Key differences

Audi A6 e-tron Avant

3.4 (3 Reviews)
rate
  • moderately more power
  • markedly quicker 0–100 km/h
  • very slightly lighter
details

BMW iX3

4.6 (4 Reviews)
rate
  • very slightly cheaper
  • marginally more efficient
  • somewhat more electric range
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

A6 e-tron Avant

Overview: Audi A6 e-tron Avant VS BMW iX3 — what this comparison is about

Audi A6 e-tron Avant VS BMW iX3 pits a tech-forward electric estate against a roomy, modern electric SUV, and the choice comes down to priorities rather than raw capability. The Audi A6 e-tron Avant reads like a long-distance business tool: low-drag profile, composed manners and very rapid DC charging that shorten motorway stops. The BMW iX3 presents itself as a more traditionally practical SUV — more rear-seat room, a bigger usable luggage area and an interior that feels like the newest take on BMW’s cockpit. Both are clearly aimed at buyers who spend real miles on the motorway, but they deliver those miles in different ways. This comparison focuses on how those differences matter in daily life, not on spec-sheet skirmishes.

iX3

Driving character and usability on the road

The Audi A6 e-tron Avant drives like a composed grand tourer: composed steering, neutral reactions and a setup that rewards steady high-speed cruising more than enthusiastic cornering. By contrast the BMW iX3 leans toward the driver — its steering and chassis give a more precise, slightly playful feel for an SUV, so it masks its bulk when you ask for a bit of engagement. The trade-off is simple: Audi soothes and insulates you from long-distance fatigue, BMW involves you and feels lighter on its feet in mixed driving. Which feels better depends on whether you value serenity over sensation on your daily routes. Both systems do the heavy lifting with modern driver aids, but BMW’s hands‑off assistance can reduce motorway monotony in a way the Audi doesn’t quite copy.

A6 e-tron Avant

Comfort and long-distance behavior

On long motorway runs the Audi A6 e-tron Avant makes its greatest impression — suspension tuning and cabin calm work together to turn hours at high speed into something close to restful travel. The BMW iX3 is also exceptionally quiet and comfortable, but its suspension tuning and tyre choices can make short, sharp bumps feel firmer; smaller wheels help smooth that out. Audi’s estate body and software prioritise steady efficiency and shorter charging interruptions, while BMW balances quiet refinement with slightly more responsive ride and very supportive rear seating. For passengers who value seat comfort and a hushed interior at cruise, the A6 Avant nudges ahead; for drivers who want a bit more interaction and a liberal helping of rear-seat space, the iX3 answers better.

iX3

Practicality, family use and everyday usability

The Avant silhouette of the Audi A6 e-tron Avant gives a tidy, low‑load floor and a businesslike cargo bay, but its actual trunk volume and rear-seat geometry feel more restrained than you’d expect for a wagon of this class. The BMW iX3, as an SUV, delivers noticeably more usable room in the back, a true frunk and greater flexibility for family gear — though its load floor isn’t perfectly flat and some folding ergonomics are awkward. In daily life the iX3 feels more forgiving for strollers, sports kit and overnight luggage, whereas the A6 Avant is better suited to organised packing and towing duties if that’s on your list. City parking and visibility tilt the balance too: the Avant’s coupe-like windows and optional camera mirrors reduce natural sightlines, while the iX3’s upright cabin gives better all-round view despite its width.

A6 e-tron Avant

Cabin ambience, infotainment and perceived quality

The Audi A6 e-tron Avant presents a restrained, tech-heavy cabin: crisp Google-based systems, an AR head-up option and lots of glossy surfaces that read modern but sometimes less tactilely premium. The BMW iX3 goes bolder with its Panoramic iDrive and HUD band, a cohesive graphical experience and strong voice assistants that ease everyday tasks, although climate functions buried in touch menus can irritate. Material choices make a difference: the iX3’s interior generally feels contemporary and robust, while the A6 Avant’s mix of piano black and plastic components can feel more clinical than luxurious. If you prefer a cockpit that’s quietly professional pick the Audi; if you want a futuristic, voice-forward cabin that feels like the next generation, the BMW is more persuasive.

iX3

Buyer fit — who should choose which and why

Choose the Audi A6 e-tron Avant if your priority is effortless high‑speed cruising, the shortest possible charging stops on long trips and a representative estate package for business duties or towing. Opt for the BMW iX3 if you need the most rear-seat comfort and versatile luggage room, want a slightly sportier driving feel, and prefer a showpiece cockpit with strong voice control and hands‑off motorway assistance. The trade-offs are consistent: the Avant favours composed efficiency and a lower, sleeker profile; the iX3 favours space, usability and a more engaging on‑road personality. Read on to see how those real‑world differences map to battery, charging and weight in the technical comparison below.

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

A6 e-tron Avant

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 iX3 is very slightly cheaper – starting at 54,300 £ , while the Audi A6 e-tron Avant costs 55,200 £ . That’s a price difference of around 900 £.

In terms of energy consumption, the BMW iX3 is marginally more efficient: consuming 14.6 kWh/100km compared to 14.8 kWh/100km for the Audi A6 e-tron Avant. That’s a difference of about 0.2 kWh/100km.

As for electric range, the BMW iX3 offers somewhat more range – reaching up to 805 km, about 89 km more than the Audi A6 e-tron Avant.

iX3

Engine and Performance:

Power, torque and acceleration say a lot about how a car feels on the road. This is where you see which model delivers more driving dynamics.

When it comes to engine power, the Audi A6 e-tron Avant offers moderately more power – delivering 551 HP compared to 469 HP. That’s roughly 82 HP more horsepower.

When accelerating from 0 to 100 km/h, the Audi A6 e-tron Avant is markedly quicker – completing the sprint in 3.9 s, while the BMW iX3 takes 4.9 s. That’s about 1 s quicker.

There’s also a difference in torque: the Audi A6 e-tron Avant delivers clearly more torque with 855 Nm compared to 645 Nm. That’s about 210 Nm more.

A6 e-tron Avant

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.

Both vehicles offer seating for 5 people.

In terms of curb weight, Audi A6 e-tron Avant is very slightly lighter – 2,185 kg compared to 2,360 kg. The difference is around 175 kg.

When it comes to payload, the Audi A6 e-tron Avant carries marginally more – 500 kg compared to 465 kg. That’s a difference of about 35 kg.

Who wins the race in the data check?

The Audi A6 e-tron Avant stands well ahead of its rival 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 £55,200
A6 e-tron Avant

Audi A6 e-tron Avant

  • Engine Type : Electric
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 326 - 551 HP
  • Consumption kWh/100km : 14.8 - 17 kWh/100km
  • Electric Range : 539 - 716 km
details
Audi A6 e-tron Avant
BMW iX3

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Audi A6 e-tron Avant

The Audi A6 e-tron Avant wraps Audi's trademark refinement into a sleek electric estate that looks at home in the city or on the open road. Inside it's grown-up and tech-forward with practical packaging for family life, delivering a composed, confident drive that makes everyday hauling feel a bit more special and slightly futuristic.

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Reviews Audi A6 e-tron Avant

3.4 (3 Reviews)
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No reviews yet. Share your experience and help others decide.

BMW iX3

The BMW iX3 is an electric SUV that delivers the composed, premium driving experience BMW buyers expect. With a calm, refined cabin and practical everyday usability, it’s a strong choice for those who want electric motoring without giving up luxury and comfort.

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Reviews BMW iX3

4.6 (4 Reviews)
rate
Johan
20 Sept 2025, 16:15:37

Nice range, fast charging and… bidirectional charging!!

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Audi A6 e-tron Avant
BMW iX3

Costs and Consumption
Price
55,200 - 100,100 £
Price
54,300 - 66,300 £
Consumption L/100km
-
Consumption L/100km
-
Consumption kWh/100km
14.8 - 17 kWh/100km
Consumption kWh/100km
14.6 - 15.1 kWh/100km
Electric Range
539 - 716 km
Electric Range
635 - 805 km
Battery Capacity
75.8 - 94.9 kWh
Battery Capacity
-
co2
0 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Estate
Body Type
SUV
Seats
5
Seats
5
Doors
5
Doors
-
Curb weight
2,185 - 2,410 kg
Curb weight
2,360 kg
Trunk capacity
502 L
Trunk capacity
-
Length
4,928 mm
Length
-
Width
1,923 mm
Width
1,895 mm
Height
1,504 - 1,527 mm
Height
-
Max trunk capacity
1,422 L
Max trunk capacity
-
Payload
470 - 500 kg
Payload
465 kg

Engine and Performance
Engine Type
Electric
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
All-Wheel Drive, Rear-Wheel Drive
Power HP
326 - 551 HP
Power HP
320 - 469 HP
Acceleration 0-100km/h
3.9 - 6 s
Acceleration 0-100km/h
4.9 - 5.9 s
Max Speed
210 - 240 km/h
Max Speed
-
Torque
435 - 855 Nm
Torque
500 - 645 Nm
Number of Cylinders
-
Number of Cylinders
-
Power kW
240 - 405 kW
Power kW
235 - 345 kW
Engine capacity
-
Engine capacity
-

General
Model Year
2024
Model Year
2026
CO2 Efficiency Class
A
CO2 Efficiency Class
A
Brand
Audi
Brand
BMW
What drivetrain options does the Audi A6 e-tron Avant have?

The Audi A6 e-tron Avant 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.