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Audi A6 Avant vs Rolls-Royce Cullinan comparison

Compare performance (367 HP vs 600 HP), boot space and price (49,700 £ vs 275,400 £ ) at a glance. Find out which car is the better choice for you – Audi A6 Avant or Rolls-Royce Cullinan?

Audi A6 Avant vs Rolls-Royce Cullinan: Key differences

Audi A6 Avant

  • clearly cheaper
  • substantially more efficient
  • only slightly quicker 0–100 km/h
  • substantially lighter
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Rolls-Royce Cullinan

  • clearly more power
  • barely more trunk space
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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.

Audi A6 Avant is clearly cheaper – starting at 49,700 £ , while the Rolls-Royce Cullinan costs 275,400 £ . That’s a price difference of around 225,686 £.

Fuel consumption also shows a difference: the Audi A6 Avant uses 2.3 L/100km and is substantially more efficient than the Rolls-Royce Cullinan with 16 L/100km. The difference is about 13.7 L/100km.

Cullinan

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 Rolls-Royce Cullinan offers clearly more power – delivering 600 HP compared to 367 HP. That’s roughly 233 HP more horsepower.

When accelerating from 0 to 100 km/h, the Audi A6 Avant is only slightly quicker – completing the sprint in 4.7 s, while the Rolls-Royce Cullinan takes 4.9 s. That’s about 0.2 s quicker.

There’s also a difference in torque: the Rolls-Royce Cullinan delivers markedly more torque with 900 Nm compared to 580 Nm. That’s about 320 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, Audi A6 Avant is substantially lighter – 1,865 kg compared to 2,660 kg. The difference is around 795 kg.

Looking at boot space, the Rolls-Royce Cullinan offers barely more boot space – 555 L compared to 503 L. That’s a difference of about 52 L.

When it comes to payload, the Rolls-Royce Cullinan carries visibly more – 840 kg compared to 570 kg. That’s a difference of about 270 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
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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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Rolls-Royce Cullinan

The Cullinan seamlessly combines the hallmark luxury of Rolls-Royce with the rugged versatility of an SUV, making it a true standout in the automotive landscape. Its impeccably crafted interior envelops passengers in a serene atmosphere, complemented by advanced technology and unparalleled comfort. With its commanding presence on the road, the Cullinan redefines what it means to travel in style without compromising on capability.

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Reviews Rolls-Royce Cullinan

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Rolls-Royce Cullinan

Costs and Consumption
Price
49,700 - 70,200 £
Price
275,400 - 324,600 £
Consumption L/100km
2.3 - 7.5 L/100km
Consumption L/100km
16 - 16.8 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
363 - 380 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
2,660 kg
Trunk capacity
404 - 503 L
Trunk capacity
555 L
Length
-
Length
-
Width
1,875 mm
Width
2,000 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
535 - 570 kg
Payload
840 kg

Engine and Performance
Engine Type
Petrol, Petrol MHEV, Diesel MHEV, Plugin Hybrid
Engine Type
Petrol MHEV, Petrol
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic
Transmission Detail
Automatic Gearbox
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
204 - 367 HP
Power HP
571 - 600 HP
Acceleration 0-100km/h
4.7 - 8.3 s
Acceleration 0-100km/h
4.9 - 5.2 s
Max Speed
-
Max Speed
-
Torque
340 - 580 Nm
Torque
850 - 900 Nm
Number of Cylinders
4 - 6
Number of Cylinders
12
Power kW
150 - 270 kW
Power kW
420 - 441 kW
Engine capacity
1,968 - 2,995 cm3
Engine capacity
6,749 cm3

General
Model Year
2025
Model Year
2024
CO2 Efficiency Class
F, D, E, B
CO2 Efficiency Class
G
Brand
Audi
Brand
Rolls-Royce
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.