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Porsche Cayenne vs Alpine A390 comparison

Compare performance (1,156 HP vs 470 HP), boot space and price (90,200 £ vs 57,900 £ ) at a glance. Find out which car is the better choice for you – Porsche Cayenne or Alpine A390?

Porsche Cayenne vs Alpine A390: Key differences

Porsche Cayenne

3.2 (3 Reviews)
rate
  • considerably more power
  • somewhat more electric range
  • considerably quicker 0–100 km/h
  • noticeably more trunk space
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Alpine A390

  • clearly cheaper
  • marginally more efficient
  • barely lighter
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By Achim Sedelmaier

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

Cayenne

Costs and Efficiency:

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

Alpine A390 is clearly cheaper – starting at 57,900 £ , while the Porsche Cayenne costs 90,200 £ . That’s a price difference of around 32,314 £.

In terms of energy consumption, the Alpine A390 is marginally more efficient: consuming 18.7 kWh/100km compared to 18.9 kWh/100km for the Porsche Cayenne. That’s a difference of about 0.2 kWh/100km.

As for electric range, the Porsche Cayenne offers somewhat more range – reaching up to 668 km, about 117 km more than the Alpine A390.

A390

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 Porsche Cayenne offers considerably more power – delivering 1,156 HP compared to 470 HP. That’s roughly 686 HP more horsepower.

When accelerating from 0 to 100 km/h, the Porsche Cayenne is considerably quicker – completing the sprint in 2.5 s, while the Alpine A390 takes 3.9 s. That’s about 1.4 s quicker.

There’s also a difference in torque: the Porsche Cayenne delivers clearly more torque with 1,500 Nm compared to 824 Nm. That’s about 676 Nm more.

Cayenne

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, Alpine A390 is barely lighter – 2,121 kg compared to 2,130 kg. The difference is around 9 kg.

Looking at boot space, the Porsche Cayenne offers noticeably more boot space – 781 L compared to 532 L. That’s a difference of about 249 L.

When it comes to payload, the Porsche Cayenne carries markedly more – 705 kg compared to 484 kg. That’s a difference of about 221 kg.

Who wins the race in the data check?

The Porsche Cayenne holds a decisive 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 £90,200
Cayenne

Porsche Cayenne

  • Engine Type Petrol, Plugin Hybrid, Electric
  • Transmission Automatic
  • Drive Type All-Wheel Drive
  • Power HP 353 - 1,156 HP
  • Consumption L/100km 4 - 11 L/100km
  • Consumption kWh/100km 18.9 - 20.6 kWh/100km
  • Electric Range 74 - 668 km
Porsche Cayenne
Alpine A390

Costs and Consumption

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Engine and Performance

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Dimensions and Body

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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.

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Alpine A390

The Alpine A390 is the brand’s leap into the fast electric crossover arena, wrapping Dieppe’s lightweight ethos in a sleek, coupe-ish body with real everyday usability. If the steering and chassis feel echo the A110, this could be the enthusiast’s family EV—subtle, sharp, and très chic, with enough theatre to make the school run feel like a pit lane exit.

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Porsche Cayenne
Alpine A390

Costs and Consumption

Price
90,200 - 144,400 £
Price
57,900 - 66,900 £
Consumption L/100km
4 - 11 L/100km
Consumption L/100km
-
Consumption kWh/100km
18.9 - 20.6 kWh/100km
Consumption kWh/100km
18.7 - 20.4 kWh/100km
Electric Range
74 - 668 km
Electric Range
497 - 551 km
Battery Capacity
-
Battery Capacity
-
co2
0 - 249 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body

Body Type
SUV
Body Type
SUV
Seats
4 - 5
Seats
5
Doors
-
Doors
-
Curb weight
2,130 - 2,725 kg
Curb weight
2,121 - 2,124 kg
Trunk capacity
434 - 781 L
Trunk capacity
532 L
Length
-
Length
-
Width
1,980 - 1,983 mm
Width
1,885 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
525 - 705 kg
Payload
481 - 484 kg

Engine and Performance

Engine Type
Petrol, Plugin Hybrid, Electric
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox, Reduction Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
353 - 1,156 HP
Power HP
400 - 470 HP
Acceleration 0-100km/h
2.5 - 6 s
Acceleration 0-100km/h
3.9 - 4.8 s
Max Speed
-
Max Speed
-
Torque
500 - 1,500 Nm
Torque
661 - 824 Nm
Number of Cylinders
6
Number of Cylinders
-
Power kW
260 - 850 kW
Power kW
295 - 345 kW
Engine capacity
2,995 cm3
Engine capacity
-

General

Model Year
2,025 - 2,026
Model Year
2026
CO2 Efficiency Class
G, B, A
CO2 Efficiency Class
A
Brand
Porsche
Brand
Alpine
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.