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Cadillac OPTIQ vs Audi A6 e-tron Avant comparison

Compare performance (304 HP vs 551 HP), boot space and price (55,700 £ vs 55,200 £ ) at a glance. Find out which car is the better choice for you – Cadillac OPTIQ or Audi A6 e-tron Avant?

Cadillac OPTIQ vs Audi A6 e-tron Avant: Key differences

Cadillac OPTIQ

3.7 (1 Reviews)
rate
details

Audi A6 e-tron Avant

3.4 (3 Reviews)
rate
  • very slightly cheaper
  • significantly more power
  • markedly more efficient
  • substantially more electric range
  • clearly quicker 0–100 km/h
  • very slightly lighter
  • moderately more trunk space
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By Achim Sedelmaier

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

A6 e-tron Avant

Costs and Efficiency:

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

Audi A6 e-tron Avant is very slightly cheaper – starting at 55,200 £ , while the Cadillac OPTIQ costs 55,700 £ . That’s a price difference of around 472 £.

In terms of energy consumption, the Audi A6 e-tron Avant is markedly more efficient: consuming 14.8 kWh/100km compared to 19.9 kWh/100km for the Cadillac OPTIQ. That’s a difference of about 5.1 kWh/100km.

As for electric range, the Audi A6 e-tron Avant offers substantially more range – reaching up to 716 km, about 291 km more than the Cadillac OPTIQ.

A6 e-tron 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 Audi A6 e-tron Avant offers significantly more power – delivering 551 HP compared to 304 HP. That’s roughly 247 HP more horsepower.

When accelerating from 0 to 100 km/h, the Audi A6 e-tron Avant is clearly quicker – completing the sprint in 3.9 s, while the Cadillac OPTIQ takes 6.3 s. That’s about 2.4 s quicker.

There’s also a difference in torque: the Audi A6 e-tron Avant delivers substantially more torque with 855 Nm compared to 480 Nm. That’s about 375 Nm more.

A6 e-tron Avant

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 A6 e-tron Avant is very slightly lighter – 2,185 kg compared to 2,376 kg. The difference is around 191 kg.

Looking at boot space, the Audi A6 e-tron Avant offers moderately more boot space – 502 L compared to 443 L. That’s a difference of about 59 L.

When it comes to payload, the Cadillac OPTIQ carries only slightly more – 524 kg compared to 500 kg. That’s a difference of about 24 kg.

Who wins the race in the data check?

The Audi A6 e-tron 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 £55,200
A6 e-tron Avant

Audi A6 e-tron Avant

  • Engine Type Electric
  • Transmission Automatic
  • Drive Type Rear-Wheel Drive, All-Wheel Drive
  • Power HP 326 - 551 HP
  • Consumption kWh/100km 14.8 - 17 kWh/100km
  • Electric Range 539 - 716 km
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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Cadillac OPTIQ

The Cadillac Optiq is a chic, compact electric SUV that brings the brand’s bold styling, hushed refinement, and confident punch to a more attainable size. With a calm, composed ride, a tech-rich cabin, and the brand’s signature light show outside, it feels like an urban-friendly gateway to true American luxury without losing the drama or the practicality buyers need.

details

Reviews Cadillac OPTIQ

3.7 (1 Reviews)
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Audi A6 e-tron Avant

The Audi A6 e-tron Avant wraps Audi's trademark refinement into a sleek electric estate that looks at home in the city or on the open road. Inside it's grown-up and tech-forward with practical packaging for family life, delivering a composed, confident drive that makes everyday hauling feel a bit more special and slightly futuristic.

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Reviews Audi A6 e-tron Avant

3.4 (3 Reviews)
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Cadillac OPTIQ
Audi A6 e-tron Avant

Costs and Consumption
Price
55,700 £
Price
55,200 - 100,100 £
Consumption L/100km
-
Consumption L/100km
-
Consumption kWh/100km
19.9 kWh/100km
Consumption kWh/100km
14.8 - 17 kWh/100km
Electric Range
425 km
Electric Range
539 - 716 km
Battery Capacity
-
Battery Capacity
75.8 - 94.9 kWh
co2
0 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
Estate
Seats
5
Seats
5
Doors
-
Doors
5
Curb weight
2,376 kg
Curb weight
2,185 - 2,410 kg
Trunk capacity
443 L
Trunk capacity
502 L
Length
-
Length
4,928 mm
Width
1,912 mm
Width
1,923 mm
Height
-
Height
1,504 - 1,527 mm
Max trunk capacity
-
Max trunk capacity
1,422 L
Payload
524 kg
Payload
470 - 500 kg

Engine and Performance
Engine Type
Electric
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
All-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
304 HP
Power HP
326 - 551 HP
Acceleration 0-100km/h
6.3 s
Acceleration 0-100km/h
3.9 - 6 s
Max Speed
-
Max Speed
210 - 240 km/h
Torque
480 Nm
Torque
435 - 855 Nm
Number of Cylinders
-
Number of Cylinders
-
Power kW
224 kW
Power kW
240 - 405 kW
Engine capacity
-
Engine capacity
-

General
Model Year
2026
Model Year
2024
CO2 Efficiency Class
A
CO2 Efficiency Class
A
Brand
Cadillac
Brand
Audi
What drive types are available for the Cadillac OPTIQ?

The Cadillac OPTIQ 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.