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Alfa Romeo Stelvio vs Audi A6 Avant comparison

Compare performance (520 HP vs 367 HP), boot space and price (51,900 £ vs 49,700 £ ) at a glance. Find out which car is the better choice for you – Alfa Romeo Stelvio or Audi A6 Avant?

Alfa Romeo Stelvio vs Audi A6 Avant: Key differences

Alfa Romeo Stelvio

4.6 (3 Reviews)
rate
  • clearly more power
  • markedly quicker 0–100 km/h
  • barely lighter
  • marginally more trunk space
details

Audi A6 Avant

  • only slightly cheaper
  • substantially more efficient
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

Stelvio

Costs and Efficiency:

Looking at overall running costs, both models reveal some interesting differences in everyday economy.

Audi A6 Avant is only slightly cheaper – starting at 49,700 £ , while the Alfa Romeo Stelvio costs 51,900 £ . That’s a price difference of around 2,228 £.

Fuel consumption also shows a difference: the Audi A6 Avant uses 2.3 L/100km and is substantially more efficient than the Alfa Romeo Stelvio with 6 L/100km. The difference is about 3.7 L/100km.

A6 Avant

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 Alfa Romeo Stelvio offers clearly more power – delivering 520 HP compared to 367 HP. That’s roughly 153 HP more horsepower.

When accelerating from 0 to 100 km/h, the Alfa Romeo Stelvio is markedly quicker – completing the sprint in 3.8 s, while the Audi A6 Avant takes 4.7 s. That’s about 0.9 s quicker.

There’s also a difference in torque: the Alfa Romeo Stelvio delivers very slightly more torque with 600 Nm compared to 580 Nm. That’s about 20 Nm more.

Stelvio

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, Alfa Romeo Stelvio is barely lighter – 1,820 kg compared to 1,865 kg. The difference is around 45 kg.

Looking at boot space, the Alfa Romeo Stelvio offers marginally more boot space – 525 L compared to 503 L. That’s a difference of about 22 L.

When it comes to payload, the Alfa Romeo Stelvio carries very slightly more – 590 kg compared to 570 kg. That’s a difference of about 20 kg.

Who wins the race in the data check?

The Audi A6 Avant is decisively ahead 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 £49,700
A6 Avant

Audi A6 Avant

  • Engine Type Petrol, Petrol MHEV, Diesel MHEV, Plugin Hybrid
  • Transmission Automatic
  • Drive Type Front-Wheel Drive, All-Wheel Drive
  • Power HP 204 - 367 HP
  • Consumption L/100km 2.3 - 7.5 L/100km
  • Electric Range 94 - 101 km
details

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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Alfa Romeo Stelvio

The Alfa Romeo Stelvio combines Italian artistry with sporty performance, making it a standout in the SUV market. Its dynamic design captures the essence of elegance and agility, while the interior offers a driver-focused experience that enhances every journey. With a perfect blend of luxury and power, the Stelvio is ideal for those seeking both style and substance on the road.

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Reviews Alfa Romeo Stelvio

4.6 (3 Reviews)
rate
Graham
26 May 2026, 13:31:02

Style & finish

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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Reviews Audi A6 Avant

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Alfa Romeo Stelvio
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Costs and Consumption
Price
51,900 - 93,300 £
Price
49,700 - 70,200 £
Consumption L/100km
6 - 11.8 L/100km
Consumption L/100km
2.3 - 7.5 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
94 - 101 km
Battery Capacity
-
Battery Capacity
-
co2
157 - 267 g/km
co2
53 - 170 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
Estate
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,820 - 1,925 kg
Curb weight
1,865 - 2,240 kg
Trunk capacity
525 L
Trunk capacity
404 - 503 L
Length
-
Length
-
Width
1,903 - 1,955 mm
Width
1,875 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
535 - 590 kg
Payload
535 - 570 kg

Engine and Performance
Engine Type
Diesel, Petrol
Engine Type
Petrol, Petrol MHEV, Diesel MHEV, Plugin Hybrid
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Dual-Clutch Automatic
Drive Type
All-Wheel Drive
Drive Type
Front-Wheel Drive, All-Wheel Drive
Power HP
210 - 520 HP
Power HP
204 - 367 HP
Acceleration 0-100km/h
3.8 - 6.6 s
Acceleration 0-100km/h
4.7 - 8.3 s
Max Speed
-
Max Speed
-
Torque
470 - 600 Nm
Torque
340 - 580 Nm
Number of Cylinders
4 - 6
Number of Cylinders
4 - 6
Power kW
154 - 382 kW
Power kW
150 - 270 kW
Engine capacity
2,143 - 2,891 cm3
Engine capacity
1,968 - 2,995 cm3

General
Model Year
2,025 - 2,026
Model Year
2025
CO2 Efficiency Class
F, G
CO2 Efficiency Class
F, D, E, B
Brand
Alfa Romeo
Brand
Audi
Is the Alfa Romeo Stelvio offered with different drivetrains?

The Alfa Romeo Stelvio is offered with 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.