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Audi A6 Avant vs Kia Niro comparison

Compare performance (367 HP vs 138 HP), boot space and price (49,700 £ vs 29,100 £ ) at a glance. Find out which car is the better choice for you – Audi A6 Avant or Kia Niro?

Audi A6 Avant vs Kia Niro: Key differences

Audi A6 Avant

  • significantly more power
  • clearly more efficient
  • considerably quicker 0–100 km/h
  • slightly more trunk space
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Kia Niro

4.5 (3 Reviews)
rate
  • clearly cheaper
  • visibly lighter
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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

A6 Avant

Costs and Efficiency:

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

Kia Niro is clearly cheaper – starting at 29,100 £ , while the Audi A6 Avant costs 49,700 £ . That’s a price difference of around 20,580 £.

Fuel consumption also shows a difference: the Audi A6 Avant uses 2.3 L/100km and is clearly more efficient than the Kia Niro with 4.5 L/100km. The difference is about 2.2 L/100km.

Niro

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 Audi A6 Avant offers significantly more power – delivering 367 HP compared to 138 HP. That’s roughly 229 HP more horsepower.

When accelerating from 0 to 100 km/h, the Audi A6 Avant is considerably quicker – completing the sprint in 4.7 s, while the Kia Niro takes 11.1 s. That’s about 6.4 s quicker.

There’s also a difference in torque: the Audi A6 Avant delivers clearly more torque with 580 Nm compared to 265 Nm. That’s about 315 Nm more.

A6 Avant

Space and Everyday Use:

Whether family car or daily driver – which one offers more room, flexibility and comfort?

Both vehicles offer seating for 5 people.

In terms of curb weight, Kia Niro is visibly lighter – 1,474 kg compared to 1,865 kg. The difference is around 391 kg.

Looking at boot space, the Audi A6 Avant offers slightly more boot space – 503 L compared to 451 L. That’s a difference of about 52 L.

When it comes to payload, the Audi A6 Avant carries somewhat more – 570 kg compared to 466 kg. That’s a difference of about 104 kg.

Who wins the race in the data check?

The Audi A6 Avant 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 £49,700
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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Kia Niro
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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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Reviews Audi A6 Avant

No reviews yet. Share your experience and help others decide.

Kia Niro

The Kia Niro is a practical crossover that blends economy and everyday versatility without sacrificing comfort. With a roomy, well-laid-out cabin and calm, composed handling, it’s an easy-to-live-with choice for commuters and families.

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Reviews Kia Niro

4.5 (3 Reviews)
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Archi
25 Mar 2026, 13:11:41

Efficient, functional, understated, spacious and comfortable. No surprises: it delivers what it promises and does its job without fanfare. Good buy.

How do you mainly use this car? (optional): Leisure / Weekend driver
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
Wolfgang Schäfer
21 Oct 2025, 14:01:32

I've been driving the Kia Niro since 2019 and am still very happy with this car.

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Audi A6 Avant
Kia Niro

Costs and Consumption
Price
49,700 - 70,200 £
Price
29,100 - 33,800 £
Consumption L/100km
2.3 - 7.5 L/100km
Consumption L/100km
4.5 - 4.9 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
94 - 101 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
53 - 170 g/km
co2
102 - 111 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
1,474 kg
Trunk capacity
404 - 503 L
Trunk capacity
451 L
Length
-
Length
-
Width
1,875 mm
Width
1,825 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
535 - 570 kg
Payload
466 kg

Engine and Performance
Engine Type
Petrol, Petrol MHEV, Diesel MHEV, Plugin Hybrid
Engine Type
Full Hybrid
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic
Transmission Detail
Dual-Clutch Automatic
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
Front-Wheel Drive
Power HP
204 - 367 HP
Power HP
138 HP
Acceleration 0-100km/h
4.7 - 8.3 s
Acceleration 0-100km/h
11.1 - 11.4 s
Max Speed
-
Max Speed
-
Torque
340 - 580 Nm
Torque
265 Nm
Number of Cylinders
4 - 6
Number of Cylinders
4
Power kW
150 - 270 kW
Power kW
102 kW
Engine capacity
1,968 - 2,995 cm3
Engine capacity
1,580 cm3

General
Model Year
2025
Model Year
2025
CO2 Efficiency Class
F, D, E, B
CO2 Efficiency Class
C
Brand
Audi
Brand
Kia
Is the Audi A6 Avant offered with different drivetrains?

The Audi A6 Avant is offered with Front-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.