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Aston Martin DBX vs Porsche 911 Coupe - Differences and prices compared

Compare performance (707 HP vs 711 HP), boot space and price (204400 £ vs 116800 £ ) at a glance. Find out which car is the better choice for you – Aston Martin DBX or Porsche 911 Coupe?

Aston Martin DBX

Porsche 911 Coupe

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

DBX

Costs and Efficiency:

Price and efficiency are often the first things buyers look at. Here it becomes clear which model has the long-term edge – whether at the pump, the plug, or in purchase price.

Porsche 911 Coupe has a clearly advantage in terms of price – it starts at 116800 £ , while the Aston Martin DBX costs 204400 £ . That’s a price difference of around 87600 £.

Fuel consumption also shows a difference: Porsche 911 Coupe manages with 10.10 L and is therefore clearly more efficient than the Aston Martin DBX with 14.20 L. The difference is about 4.10 L per 100 km.

911 Coupe

Engine and Performance:

Under the bonnet, it becomes clear which model is tuned for sportiness and which one takes the lead when you hit the accelerator.

When it comes to engine power, the Porsche 911 Coupe has a hardly perceptible edge – offering 711 HP compared to 707 HP. That’s roughly 4 HP more horsepower.

In acceleration from 0 to 100 km/h, the Porsche 911 Coupe is distinct quicker – completing the sprint in 2.50 s, while the Aston Martin DBX takes 3.30 s. That’s about 0.80 s faster.

In terms of top speed, the Porsche 911 Coupe performs hardly perceptible better – reaching 322 km/h, while the Aston Martin DBX tops out at 310 km/h. The difference is around 12 km/h.

There’s also a difference in torque: Aston Martin DBX pulls to a small extent stronger with 900 Nm compared to 800 Nm. That’s about 100 Nm difference.

DBX

Space and Everyday Use:

Cabin size, boot volume and payload all play a role in everyday practicality. Here, comfort and flexibility make the difference.

Seats: Aston Martin DBX offers significantly more seating capacity – 5 vs 2.

In curb weight, Porsche 911 Coupe is decisively lighter – 1525 kg compared to 2320 kg. The difference is around 795 kg.

In terms of boot space, the Aston Martin DBX offers clearly perceptible more room – 491 L compared to 373 L. That’s a difference of about 118 L.

When it comes to payload, Aston Martin DBX significantly takes the win – 710 kg compared to 310 kg. That’s a difference of about 400 kg.

Who wins the race in the data check?

The Porsche 911 Coupe holds a solid 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.

Aston Martin DBX
Porsche 911 Coupe

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis
from about £116,800
911 Coupe

Porsche 911 Coupe

  • Engine Type : Petrol, Full Hybrid
  • Transmission : Manuel, Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 394 - 711 HP
  • Consumption L/100km : 10.1 - 13.8 L
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Aston Martin DBX

With the DBX, Aston Martin has wrapped its trademark sports-car drama into a high-riding package that looks like it could sprint off the driveway and into a gala, while the cabin pampers occupants with handcrafted leather and theatrical attention to detail. Behind the wheel it feels like a grand tourer that learned how to tackle country roads, serving up surprising agility for such a stately presence and keeping rivals honest with its rarefied blend of performance and luxury.

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Porsche 911 Coupe

The Porsche 911 Coupe remains the iconic sports car you buy when you want a thrilling weekend weapon that still behaves like a civilized companion during the weekdays. Its classic silhouette and razor‑sharp handling deliver a grin-inducing drive every time, while the polished interior and intuitive controls remind you this is a car built for drivers, not just headlines.

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Reviews Aston Martin DBX

Reviews Porsche 911 Coupe

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Aston Martin DBX
Porsche 911 Coupe

Costs and Consumption
Price
204400 £
Price
116800 - 301000 £
Consumption L/100km
14.20 L
Consumption L/100km
10.1 - 13.8 L
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
323 g/km
co2
229 - 312 g/km
Fuel tank capacity
87 L
Fuel tank capacity
63 - 64 L

Dimensions and Body
Body Type
SUV
Body Type
Coupe
Seats
5
Seats
2
Doors
5
Doors
2
Curb weight
2320 kg
Curb weight
1525 - 1815 kg
Trunk capacity
491 L
Trunk capacity
264 - 373 L
Length
5039 mm
Length
4542 - 4572 mm
Width
1998 mm
Width
1852 - 1900 mm
Height
1680 mm
Height
1279 - 1322 mm
Max trunk capacity
1530 L
Max trunk capacity
-
Payload
710 kg
Payload
228 - 310 kg

Engine and Performance
Engine Type
Petrol
Engine Type
Petrol, Full Hybrid
Transmission
Automatic
Transmission
Manuel, Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
Drive Type
All-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
707 HP
Power HP
394 - 711 HP
Acceleration 0-100km/h
3.30 s
Acceleration 0-100km/h
2.5 - 4.5 s
Max Speed
310 km/h
Max Speed
294 - 322 km/h
Torque
900 Nm
Torque
450 - 800 Nm
Number of Cylinders
8
Number of Cylinders
6
Power kW
520 kW
Power kW
290 - 523 kW
Engine capacity
3982 cm3
Engine capacity
2981 - 3996 cm3

General
Model Year
2022
Model Year
2022 - 2026
CO2 Efficiency Class
G
CO2 Efficiency Class
G
Brand
Aston Martin
Brand
Porsche

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What drivetrain options does the Aston Martin DBX have?

Available configurations include All-Wheel Drive.

The prices shown are estimates based on German list prices, adjusted for local VAT. Local registration taxes (e.g. NoVA, BPM or CO2 malus) are not included. This information is not legally binding.