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Audi A8 vs Audi A4 Avant comparison

Compare performance (571 HP vs 470 HP), boot space and price (91,400 £ vs 37,200 £ ) at a glance. Find out which car is the better choice for you – Audi A8 or Audi A4 Avant?

Audi A8 vs Audi A4 Avant: Key differences

Audi A8

5 (1 Reviews)
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  • somewhat more power
  • very slightly more efficient

Audi A4 Avant

  • significantly cheaper
  • barely quicker 0–100 km/h
  • noticeably lighter
  • markedly more trunk space

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

A8

Costs and Efficiency:

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

Audi A4 Avant is significantly cheaper – starting at 37,200 £ , while the Audi A8 costs 91,400 £ . That’s a price difference of around 54,129 £.

Fuel consumption also shows a difference: the Audi A8 uses 4.6 L/100km and is very slightly more efficient than the Audi A4 Avant with 4.8 L/100km. The difference is about 0.2 L/100km.

A4 Avant

Engine and Performance:

Under the bonnet, it becomes clear which model is tuned for sportiness and which one takes the lead when you hit the accelerator.

When it comes to engine power, the Audi A8 offers somewhat more power – delivering 571 HP compared to 470 HP. That’s roughly 101 HP more horsepower.

When accelerating from 0 to 100 km/h, the Audi A4 Avant is barely quicker – completing the sprint in 3.7 s, while the Audi A8 takes 3.8 s. That’s about 0.1 s quicker.

There’s also a difference in torque: the Audi A8 delivers markedly more torque with 800 Nm compared to 600 Nm. That’s about 200 Nm more.

A8

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, Audi A4 Avant is noticeably lighter – 1,595 kg compared to 2,035 kg. The difference is around 440 kg.

Looking at boot space, the Audi A4 Avant offers markedly more boot space – 495 L compared to 390 L. That’s a difference of about 105 L.

When it comes to payload, the Audi A8 carries somewhat more – 700 kg compared to 565 kg. That’s a difference of about 135 kg.

Who wins the race in the data check?

The Audi A4 Avant holds a solid 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 £37,200
A4 Avant

Audi A4 Avant

  • Engine Type : Diesel MHEV, Petrol MHEV, Petrol
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive, Front-Wheel Drive
  • Power HP : 136 - 470 HP
  • Consumption L/100km : 4.8 - 9.7 L/100km
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Frequently compared as well

Audi A4 Avant
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Audi A8
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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Audi A8

The Audi A8 arrives with the kind of quiet authority that makes other limousines feel like they’re trying too hard, offering a cabin wrapped in subtle luxury and tech that never demands attention. For buyers who want composed comfort and discreet status, it’s the sensible splurge that turns daily commutes into a private parade.

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Reviews Audi A8

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Audi A4 Avant

The Audi A4 Avant blends elegant, understated styling with practical estate versatility, making it a polished choice for drivers who want both poise and generous cargo space. Inside, the cabin feels premium and tech-forward while the composed driving manners turn routine journeys into a quietly satisfying experience—exactly the sensible indulgence buyers will appreciate.

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Reviews Audi A4 Avant

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Audi A8
Audi A4 Avant

Costs and Consumption
Price
91,400 - 134,900 £
Price
37,200 - 122,500 £
Consumption L/100km
4.6 - 11.5 L/100km
Consumption L/100km
4.8 - 9.7 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
58 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
105 - 260 g/km
co2
126 - 220 g/km
Fuel tank capacity
-
Fuel tank capacity
40 - 58 L

Dimensions and Body
Body Type
Sedan
Body Type
Estate
Seats
5
Seats
5
Doors
-
Doors
5
Curb weight
2,035 - 2,415 kg
Curb weight
1,595 - 1,820 kg
Trunk capacity
390 L
Trunk capacity
495 L
Length
-
Length
4,750 - 4,782 mm
Width
1,945 mm
Width
1,842 - 1,866 mm
Height
-
Height
1,428 - 1,493 mm
Max trunk capacity
-
Max trunk capacity
1,495 L
Payload
525 - 700 kg
Payload
510 - 565 kg

Engine and Performance
Engine Type
Petrol MHEV, Diesel MHEV, Plugin Hybrid
Engine Type
Diesel MHEV, Petrol MHEV, Petrol
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Dual-Clutch Automatic, Automatic Gearbox
Drive Type
All-Wheel Drive
Drive Type
All-Wheel Drive, Front-Wheel Drive
Power HP
286 - 571 HP
Power HP
136 - 470 HP
Acceleration 0-100km/h
3.8 - 5.9 s
Acceleration 0-100km/h
3.7 - 9.8 s
Max Speed
-
Max Speed
210 - 300 km/h
Torque
500 - 800 Nm
Torque
270 - 600 Nm
Number of Cylinders
6 - 8
Number of Cylinders
4 - 6
Power kW
210 - 420 kW
Power kW
100 - 346 kW
Engine capacity
2,967 - 3,996 cm3
Engine capacity
1,968 - 2,894 cm3

General
Model Year
2,025
Model Year
2,023 - 2,024
CO2 Efficiency Class
G, C
CO2 Efficiency Class
E, F, D, G
Brand
Audi
Brand
Audi
What drive types are available for the Audi A8?

The Audi A8 is available as 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.