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Aston Martin Vantage vs Porsche 911 Convertible comparison

Compare performance (680 HP vs 711 HP), boot space and price (168,000 £ vs 138,000 £ ) at a glance. Find out which car is the better choice for you – Aston Martin Vantage or Porsche 911 Convertible?

Aston Martin Vantage vs Porsche 911 Convertible: Key differences

Aston Martin Vantage

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Porsche 911 Convertible

  • clearly cheaper
  • very slightly more power
  • somewhat more efficient
  • noticeably quicker 0–100 km/h
  • somewhat lighter
  • visibly more trunk space
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By Achim Sedelmaier

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

Vantage

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.

Porsche 911 Convertible is clearly cheaper – starting at 138,000 £ , while the Aston Martin Vantage costs 168,000 £ . That’s a price difference of around 30,000 £.

Fuel consumption also shows a difference: the Porsche 911 Convertible uses 10.5 L/100km and is somewhat more efficient than the Aston Martin Vantage with 12.1 L/100km. The difference is about 1.6 L/100km.

911 Convertible

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 911 Convertible offers very slightly more power – delivering 711 HP compared to 680 HP. That’s roughly 31 HP more horsepower.

When accelerating from 0 to 100 km/h, the Porsche 911 Convertible is noticeably quicker – completing the sprint in 2.6 s, while the Aston Martin Vantage takes 3.5 s. That’s about 0.9 s quicker.

Both models offer the same torque – 800 Nm.

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: Porsche 911 Convertible offers more seats – 4 vs 2.

In terms of curb weight, Porsche 911 Convertible is somewhat lighter – 1,572 kg compared to 1,745 kg. The difference is around 173 kg.

Looking at boot space, the Porsche 911 Convertible offers visibly more boot space – 373 L compared to 235 L. That’s a difference of about 138 L.

Who wins the race in the data check?

The Porsche 911 Convertible stands well ahead of its rival 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 £138,000
911 Convertible

Porsche 911 Convertible

  • Engine Type Petrol, Full Hybrid
  • Transmission Manuel, Automatic
  • Drive Type Rear-Wheel Drive, All-Wheel Drive
  • Power HP 394 - 711 HP
  • Consumption L/100km 10.5 - 13.7 L/100km
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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Aston Martin Vantage

The Aston Martin Vantage marries sculptural, jaw-dropping design with a ferociously engaging character that turns everyday drives into a headline act. Buyers get a luxuriously intimate cabin and a raw, communicative chassis — perfect if you crave theatre every time you pull away.

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Reviews Aston Martin Vantage

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Porsche 911 Convertible

The Porsche 911 Cabriolet transforms the iconic silhouette into an open‑air weapon, offering roof-down glamour and razor-sharp handling that still feels perfectly composed on normal roads. It’s the kind of car that serves daily duties with surprising ease while delivering intoxicating engine music and a grin factor that makes every trip feel like a small victory.

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Reviews Porsche 911 Convertible

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Costs and Consumption
Price
168,000 - 228,000 £
Price
138,000 - 244,500 £
Consumption L/100km
12.1 - 12.3 L/100km
Consumption L/100km
10.5 - 13.7 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
274 - 279 g/km
co2
237 - 310 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Coupe, Roadster
Body Type
Convertible
Seats
2
Seats
2 - 4
Doors
-
Doors
-
Curb weight
1,745 - 1,805 kg
Curb weight
1,572 - 1,900 kg
Trunk capacity
235 L
Trunk capacity
163 - 373 L
Length
-
Length
-
Width
1,980 mm
Width
1,852 - 1,900 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
-
Payload
195 - 345 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
Rear-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
665 - 680 HP
Power HP
394 - 711 HP
Acceleration 0-100km/h
3.5 - 3.6 s
Acceleration 0-100km/h
2.6 - 4.7 s
Max Speed
-
Max Speed
-
Torque
800 Nm
Torque
450 - 800 Nm
Number of Cylinders
8
Number of Cylinders
6
Power kW
489 - 500 kW
Power kW
290 - 523 kW
Engine capacity
3,982 cm3
Engine capacity
2,981 - 3,996 cm3

General
Model Year
2,024 - 2,025
Model Year
2,024 - 2,026
CO2 Efficiency Class
G
CO2 Efficiency Class
G
Brand
Aston Martin
Brand
Porsche
What drivetrain options does the Aston Martin Vantage have?

The Aston Martin Vantage is offered with Rear-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.