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BMW 3 Series Saloon vs Aston Martin DBX comparison

Compare performance (530 HP vs 727 HP), boot space and price (39,900 £ vs 168,900 £ ) at a glance. Find out which car is the better choice for you – BMW 3 Series Saloon or Aston Martin DBX?

BMW 3 Series Saloon vs Aston Martin DBX: Key differences

BMW 3 Series Saloon

  • substantially cheaper
  • significantly more efficient
  • significantly lighter
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Aston Martin DBX

  • visibly more power
  • barely quicker 0–100 km/h
  • marginally more trunk space
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By Achim Sedelmaier

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

3 Series Saloon

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 3 Series Saloon is substantially cheaper – starting at 39,900 £ , while the Aston Martin DBX costs 168,900 £ . That’s a price difference of around 128,915 £.

Fuel consumption also shows a difference: the BMW 3 Series Saloon uses 2.4 L/100km and is significantly more efficient than the Aston Martin DBX with 14.2 L/100km. The difference is about 11.8 L/100km.

DBX

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 Aston Martin DBX offers visibly more power – delivering 727 HP compared to 530 HP. That’s roughly 197 HP more horsepower.

When accelerating from 0 to 100 km/h, the Aston Martin DBX is barely quicker – completing the sprint in 3.3 s, while the BMW 3 Series Saloon takes 3.5 s. That’s about 0.2 s quicker.

There’s also a difference in torque: the Aston Martin DBX delivers noticeably more torque with 900 Nm compared to 700 Nm. That’s about 200 Nm more.

3 Series Saloon

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, BMW 3 Series Saloon is significantly lighter – 1,575 kg compared to 2,320 kg. The difference is around 745 kg.

Looking at boot space, the Aston Martin DBX offers marginally more boot space – 491 L compared to 480 L. That’s a difference of about 11 L.

When it comes to payload, the Aston Martin DBX carries visibly more – 710 kg compared to 495 kg. That’s a difference of about 215 kg.

Who wins the race in the data check?

The BMW 3 Series Saloon is clearly superior 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 £39,900
3 Series Saloon

BMW 3 Series Saloon

  • Engine Type : Diesel MHEV, Petrol, Petrol MHEV, Plugin Hybrid
  • Transmission : Automatic, Manuel
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 150 - 530 HP
  • Consumption L/100km : 2.4 - 10.1 L/100km
  • Electric Range : 96 - 101 km
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Aston Martin DBX

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

BMW 3 Series Saloon

The BMW 3 Series saloon is a driver's car in a suit, blending poised handling with a cabin that feels more premium than its practicality suggests. It’s composed enough for daily duties yet playful enough to keep weekend drives interesting, making it a sensible choice for buyers who still want to have fun.

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Reviews BMW 3 Series Saloon

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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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Reviews Aston Martin DBX

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Aston Martin DBX

Costs and Consumption
Price
39,900 - 91,000 £
Price
168,900 - 213,400 £
Consumption L/100km
2.4 - 10.1 L/100km
Consumption L/100km
14.2 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
96 - 101 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
54 - 227 g/km
co2
323 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Sedan
Body Type
SUV
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,575 - 1,960 kg
Curb weight
2,320 kg
Trunk capacity
375 - 480 L
Trunk capacity
491 L
Length
-
Length
-
Width
1,827 - 1,903 mm
Width
1,998 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
405 - 495 kg
Payload
710 kg

Engine and Performance
Engine Type
Diesel MHEV, Petrol, Petrol MHEV, Plugin Hybrid
Engine Type
Petrol
Transmission
Automatic, Manuel
Transmission
Automatic
Transmission Detail
Automatic Gearbox, Manual Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
150 - 530 HP
Power HP
707 - 727 HP
Acceleration 0-100km/h
3.5 - 8.6 s
Acceleration 0-100km/h
3.3 s
Max Speed
-
Max Speed
-
Torque
250 - 700 Nm
Torque
900 Nm
Number of Cylinders
4 - 6
Number of Cylinders
8
Power kW
110 - 390 kW
Power kW
520 - 535 kW
Engine capacity
1,995 - 2,998 cm3
Engine capacity
3,982 cm3

General
Model Year
2,024 - 2,025
Model Year
2,022 - 2,025
CO2 Efficiency Class
D, E, F, G, B
CO2 Efficiency Class
G
Brand
BMW
Brand
Aston Martin
Is the BMW 3 Series Saloon offered with different drivetrains?

The BMW 3 Series Saloon is available as Rear-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.