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Audi A6 Avant vs Subaru Solterra comparison

Compare performance (367 HP vs 343 HP), boot space and price (49,700 £ vs 39,400 £ ) at a glance. Find out which car is the better choice for you – Audi A6 Avant or Subaru Solterra?

Audi A6 Avant vs Subaru Solterra: Key differences

Audi A6 Avant

  • very slightly more power
  • marginally quicker 0–100 km/h
  • slightly lighter
  • moderately more trunk space
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Subaru Solterra

4.9 (1 Reviews)
rate
  • visibly cheaper
  • significantly 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

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

A6 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.

Subaru Solterra is visibly cheaper – starting at 39,400 £ , while the Audi A6 Avant costs 49,700 £ . That’s a price difference of around 10,294 £.

As for electric range, the Subaru Solterra offers significantly more range – reaching up to 511 km, about 410 km more than the Audi A6 Avant.

Solterra

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 Avant offers very slightly more power – delivering 367 HP compared to 343 HP. That’s roughly 24 HP more horsepower.

When accelerating from 0 to 100 km/h, the Audi A6 Avant is marginally quicker – completing the sprint in 4.7 s, while the Subaru Solterra takes 5.1 s. That’s about 0.4 s quicker.

There’s also a difference in torque: the Audi A6 Avant delivers markedly more torque with 580 Nm compared to 437 Nm. That’s about 143 Nm more.

A6 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 Avant is slightly lighter – 1,865 kg compared to 2,117 kg. The difference is around 252 kg.

Looking at boot space, the Audi A6 Avant offers moderately more boot space – 503 L compared to 452 L. That’s a difference of about 51 L.

When it comes to payload, the Audi A6 Avant carries a bit more – 570 kg compared to 468 kg. That’s a difference of about 102 kg.

Who wins the race in the data check?

The Subaru Solterra 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 £39,400
Solterra

Subaru Solterra

  • Engine Type Electric
  • Transmission Automatic
  • Drive Type All-Wheel Drive
  • Power HP 343 HP
  • Consumption kWh/100km 14.6 - 15.8 kWh/100km
  • Electric Range 471 - 511 km
Audi A6 Avant
Subaru Solterra

Costs and Consumption

View detailed analysis

Engine and Performance

View detailed analysis

Dimensions and Body

View detailed analysis

Audi A6 Avant

The Audi A6 Avant wraps executive poise and usable practicality into an impeccably finished estate that makes everyday driving feel noticeably more grown-up. It serves up a calm, composed ride and clever packaging for buyers who want space and refinement without ostentation — the sensible choice that still manages to impress.

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Subaru Solterra

The Subaru Solterra translates Subaru's rugged, go-anywhere character into an electric package, offering sure-footed handling and a thoughtfully practical cabin that feels ready for weekend escapes. It isn't trying to outshine flashier rivals — instead it stakes its claim on reliability and friendly simplicity, making it a sensible, slightly cheeky choice for buyers who want an EV that behaves like a Subaru.

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Audi A6 Avant
Subaru Solterra

Costs and Consumption

Price
49,700 - 70,200 £
Price
39,400 - 45,400 £
Consumption L/100km
2.3 - 7.5 L/100km
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
14.6 - 15.8 kWh/100km
Electric Range
94 - 101 km
Electric Range
471 - 511 km
Battery Capacity
-
Battery Capacity
-
co2
53 - 170 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
-
Doors
-
Curb weight
1,865 - 2,240 kg
Curb weight
2,117 - 2,154 kg
Trunk capacity
404 - 503 L
Trunk capacity
452 L
Length
-
Length
-
Width
1,875 mm
Width
1,860 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
535 - 570 kg
Payload
431 - 468 kg

Engine and Performance

Engine Type
Petrol, Petrol MHEV, Diesel MHEV, Plugin Hybrid
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic
Transmission Detail
Reduction Gearbox
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
204 - 367 HP
Power HP
343 HP
Acceleration 0-100km/h
4.7 - 8.3 s
Acceleration 0-100km/h
5.1 s
Max Speed
-
Max Speed
-
Torque
340 - 580 Nm
Torque
437 Nm
Number of Cylinders
4 - 6
Number of Cylinders
-
Power kW
150 - 270 kW
Power kW
252 kW
Engine capacity
1,968 - 2,995 cm3
Engine capacity
-

General

Model Year
2025
Model Year
2026
CO2 Efficiency Class
F, D, E, B
CO2 Efficiency Class
A
Brand
Audi
Brand
Subaru
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.