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Audi A3 Sportback vs Porsche Cayenne comparison

Compare performance (400 HP vs 1,156 HP), boot space and price (27,000 £ vs 90,200 £ ) at a glance. Find out which car is the better choice for you – Audi A3 Sportback or Porsche Cayenne?

Audi A3 Sportback vs Porsche Cayenne: Key differences

Audi A3 Sportback

3.9 (1 Reviews)
rate
  • significantly cheaper
  • clearly more efficient
  • significantly lighter
details

Porsche Cayenne

3.3 (2 Reviews)
rate
  • significantly more power
  • significantly more electric range
  • substantially quicker 0–100 km/h
  • substantially more trunk space
details

By Achim Sedelmaier

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

A3 Sportback

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 A3 Sportback is significantly cheaper – starting at 27,000 £ , while the Porsche Cayenne costs 90,200 £ . That’s a price difference of around 63,171 £.

Fuel consumption also shows a difference: the Audi A3 Sportback uses 1.1 L/100km and is clearly more efficient than the Porsche Cayenne with 4 L/100km. The difference is about 2.9 L/100km.

As for electric range, the Porsche Cayenne offers significantly more range – reaching up to 668 km, about 527 km more than the Audi A3 Sportback.

Cayenne

Engine and Performance:

Power, torque and acceleration say a lot about how a car feels on the road. This is where you see which model delivers more driving dynamics.

When it comes to engine power, the Porsche Cayenne offers significantly more power – delivering 1,156 HP compared to 400 HP. That’s roughly 756 HP more horsepower.

When accelerating from 0 to 100 km/h, the Porsche Cayenne is substantially quicker – completing the sprint in 2.5 s, while the Audi A3 Sportback takes 3.8 s. That’s about 1.3 s quicker.

There’s also a difference in torque: the Porsche Cayenne delivers significantly more torque with 1,500 Nm compared to 500 Nm. That’s about 1,000 Nm more.

A3 Sportback

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 A3 Sportback is significantly lighter – 1,360 kg compared to 2,130 kg. The difference is around 770 kg.

Looking at boot space, the Porsche Cayenne offers substantially more boot space – 781 L compared to 380 L. That’s a difference of about 401 L.

When it comes to payload, the Porsche Cayenne carries noticeably more – 705 kg compared to 480 kg. That’s a difference of about 225 kg.

Who wins the race in the data check?

The Audi A3 Sportback is barely 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 £27,000
A3 Sportback

Audi A3 Sportback

  • Engine Type : Petrol, Petrol MHEV, Diesel, Plugin Hybrid
  • Transmission : Manuel, Automatic
  • Drive Type : Front-Wheel Drive, All-Wheel Drive
  • Power HP : 116 - 400 HP
  • Consumption L/100km : 1.1 - 9.3 L/100km
  • Electric Range : 134 - 141 km
details

Frequently compared as well

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Porsche Cayenne

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Audi A3 Sportback

The Audi A3 Sportback wraps premium materials and crisp German design into a practical hatchback package that makes daily driving feel smart rather than showy. It’s nimble in the city, composed on longer trips, and carries just enough swagger to satisfy buyers who want quality without shouting about it.

details
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Reviews Audi A3 Sportback

3.9 (1 Reviews)
rate

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

Porsche Cayenne

Few SUVs blend athletic poise and Teutonic precision like the Porsche Cayenne, putting genuine sports‑car feeling into a roomy, everyday package. If you want a practical family hauler that still makes you grin every time you merge, the Cayenne delivers — turning errands into an excuse for a spirited drive.

details
P17_0701
P17_0780
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P17_0784

Reviews Porsche Cayenne

3.3 (2 Reviews)
rate

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

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Audi A3 Sportback
Porsche Cayenne

Costs and Consumption
Price
27,000 - 92,900 £
Price
90,200 - 144,400 £
Consumption L/100km
1.1 - 9.3 L/100km
Consumption L/100km
4 - 11 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
18.9 - 20.6 kWh/100km
Electric Range
134 - 141 km
Electric Range
74 - 668 km
Battery Capacity
-
Battery Capacity
-
co2
25 - 211 g/km
co2
0 - 249 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Hatchback
Body Type
SUV
Seats
5
Seats
4 - 5
Doors
-
Doors
-
Curb weight
1,360 - 1,685 kg
Curb weight
2,130 - 2,725 kg
Trunk capacity
280 - 380 L
Trunk capacity
434 - 781 L
Length
-
Length
-
Width
1,816 - 1,851 mm
Width
1,980 - 1,983 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
410 - 480 kg
Payload
525 - 705 kg

Engine and Performance
Engine Type
Petrol, Petrol MHEV, Diesel, Plugin Hybrid
Engine Type
Petrol, Plugin Hybrid, Electric
Transmission
Manuel, Automatic
Transmission
Automatic
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
Transmission Detail
Automatic Gearbox, Reduction Gearbox
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
116 - 400 HP
Power HP
353 - 1,156 HP
Acceleration 0-100km/h
3.8 - 10.1 s
Acceleration 0-100km/h
2.5 - 6 s
Max Speed
-
Max Speed
-
Torque
220 - 500 Nm
Torque
500 - 1,500 Nm
Number of Cylinders
4 - 5
Number of Cylinders
6
Power kW
85 - 294 kW
Power kW
260 - 850 kW
Engine capacity
1,498 - 2,480 cm3
Engine capacity
2,995 cm3

General
Model Year
2,025 - 2,026
Model Year
2,025 - 2,026
CO2 Efficiency Class
D, F, E, G, B
CO2 Efficiency Class
G, B, A
Brand
Audi
Brand
Porsche
What drive types are available for the Audi A3 Sportback?

The Audi A3 Sportback is available as 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.