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BMW 8 Series Convertible vs Aston Martin DB12 comparison

Compare performance (625 HP vs 680 HP), boot space and price (99,400 £ vs 192,900 £ ) at a glance. Find out which car is the better choice for you – BMW 8 Series Convertible or Aston Martin DB12?

BMW 8 Series Convertible vs Aston Martin DB12: Key differences

BMW 8 Series Convertible

  • clearly cheaper
  • clearly more efficient
  • very slightly quicker 0–100 km/h
  • clearly more trunk space
details

Aston Martin DB12

  • only slightly more power
  • barely lighter
details

By Achim Sedelmaier

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

8 Series Convertible

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.

BMW 8 Series Convertible is clearly cheaper – starting at 99,400 £ , while the Aston Martin DB12 costs 192,900 £ . That’s a price difference of around 93,429 £.

Fuel consumption also shows a difference: the BMW 8 Series Convertible uses 6.9 L/100km and is clearly more efficient than the Aston Martin DB12 with 12.2 L/100km. The difference is about 5.3 L/100km.

DB12

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 Aston Martin DB12 offers only slightly more power – delivering 680 HP compared to 625 HP. That’s roughly 55 HP more horsepower.

When accelerating from 0 to 100 km/h, the BMW 8 Series Convertible is very slightly quicker – completing the sprint in 3.3 s, while the Aston Martin DB12 takes 3.6 s. That’s about 0.3 s quicker.

There’s also a difference in torque: the Aston Martin DB12 delivers marginally more torque with 800 Nm compared to 750 Nm. That’s about 50 Nm more.

8 Series Convertible

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 4 people.

In terms of curb weight, Aston Martin DB12 is barely lighter – 1,788 kg compared to 1,915 kg. The difference is around 127 kg.

Looking at boot space, the BMW 8 Series Convertible offers clearly more boot space – 350 L compared to 262 L. That’s a difference of about 88 L.

Who wins the race in the data check?

The BMW 8 Series Convertible 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 £99,400
8 Series Convertible

BMW 8 Series Convertible

  • Engine Type : Diesel MHEV, Petrol
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive, Rear-Wheel Drive
  • Power HP : 333 - 625 HP
  • Consumption L/100km : 6.9 - 11.2 L/100km
details

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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

BMW 8 Series Convertible

The BMW 8 Series Convertible is a head-turning grand tourer that drops its roof with the kind of theatrical flourish you expect from a modern Bavarian showboat. It wraps occupants in sumptuous materials and driver-focused polish, offering effortless long-distance comfort and just enough drama to make every arrival feel like an occasion.

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Reviews BMW 8 Series Convertible

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Aston Martin DB12

The Aston Martin DB12 is a gorgeously styled grand tourer that fuses beguiling elegance with a fiercely driver-focused personality while wrapping occupants in luxury. If you want a car that turns heads on the street and makes long journeys feel like an event, the DB12 provides effortless poise and an intoxicating soundtrack—perfect for buyers who prefer their drama tailored rather than shouty.

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Aston Martin DB12

Costs and Consumption
Price
99,400 - 165,800 £
Price
192,900 - 209,600 £
Consumption L/100km
6.9 - 11.2 L/100km
Consumption L/100km
12.2 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
180 - 255 g/km
co2
276 - 278 g/km
Fuel tank capacity
66 - 68 L
Fuel tank capacity
-

Dimensions and Body
Body Type
Convertible
Body Type
Coupe, Convertible
Seats
4
Seats
4
Doors
2
Doors
-
Curb weight
1,915 - 2,125 kg
Curb weight
1,788 - 1,898 kg
Trunk capacity
350 L
Trunk capacity
206 - 262 L
Length
4,851 - 4,867 mm
Length
-
Width
1,902 - 1,907 mm
Width
1,980 mm
Height
1,345 - 1,353 mm
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
340 - 425 kg
Payload
-

Engine and Performance
Engine Type
Diesel MHEV, Petrol
Engine Type
Petrol
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
All-Wheel Drive, Rear-Wheel Drive
Drive Type
Rear-Wheel Drive
Power HP
333 - 625 HP
Power HP
680 HP
Acceleration 0-100km/h
3.3 - 5.5 s
Acceleration 0-100km/h
3.6 - 3.7 s
Max Speed
250 km/h
Max Speed
-
Torque
500 - 750 Nm
Torque
800 Nm
Number of Cylinders
6 - 8
Number of Cylinders
8
Power kW
245 - 460 kW
Power kW
500 kW
Engine capacity
2,993 - 4,395 cm3
Engine capacity
3,982 cm3

General
Model Year
2024
Model Year
2,023 - 2,024
CO2 Efficiency Class
G
CO2 Efficiency Class
G
Brand
BMW
Brand
Aston Martin
What drivetrain options does the BMW 8 Series Convertible have?

Available configurations include All-Wheel Drive or 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.