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Audi A4 Avant vs Audi A8 comparison

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

Audi A4 Avant vs Audi A8: Key differences

Audi A4 Avant

  • clearly cheaper
  • marginally quicker 0–100 km/h
  • visibly lighter
  • clearly more trunk space

Audi A8

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  • a bit more power
  • very slightly more efficient

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

A4 Avant

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 clearly 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.

A8

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 A8 offers a bit 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 marginally 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 visibly more torque with 800 Nm compared to 600 Nm. That’s about 200 Nm more.

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

Looking at boot space, the Audi A4 Avant offers clearly 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 moderately 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 leads convincingly 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
Audi A4 Avant
Audi A8

Costs and Consumption

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Engine and Performance

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Dimensions and Body

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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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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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Audi A4 Avant
Audi A8

Costs and Consumption

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

Dimensions and Body

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

Engine and Performance

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

General

Model Year
2,023 - 2,024
Model Year
2,025
CO2 Efficiency Class
E, F, D, G
CO2 Efficiency Class
G, C
Brand
Audi
Brand
Audi
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.