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Mercedes S-Class vs Aston Martin DBX comparison

Compare performance (635 HP vs 727 HP), boot space and price (104,000 £ vs 168,900 £ ) at a glance. Find out which car is the better choice for you – Mercedes S-Class or Aston Martin DBX?

Mercedes S-Class vs Aston Martin DBX: Key differences

Mercedes S-Class

  • significantly cheaper
  • clearly more efficient
  • very slightly lighter
  • very slightly more trunk space
details

Aston Martin DBX

  • a bit more power
  • markedly quicker 0–100 km/h
details

By Achim Sedelmaier

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

S-Class

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.

Mercedes S-Class is significantly cheaper – starting at 104,000 £ , while the Aston Martin DBX costs 168,900 £ . That’s a price difference of around 64,838 £.

Fuel consumption also shows a difference: the Mercedes S-Class uses 2.2 L/100km and is clearly more efficient than the Aston Martin DBX with 14.2 L/100km. The difference is about 12 L/100km.

DBX

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 Aston Martin DBX offers a bit more power – delivering 727 HP compared to 635 HP. That’s roughly 92 HP more horsepower.

When accelerating from 0 to 100 km/h, the Aston Martin DBX is markedly quicker – completing the sprint in 3.3 s, while the Mercedes S-Class takes 4 s. That’s about 0.7 s quicker.

There’s also a difference in torque: the Aston Martin DBX delivers very slightly more torque with 900 Nm compared to 850 Nm. That’s about 50 Nm more.

S-Class

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 5 people.

In terms of curb weight, Mercedes S-Class is very slightly lighter – 2,165 kg compared to 2,320 kg. The difference is around 155 kg.

Looking at boot space, the Mercedes S-Class offers very slightly more boot space – 530 L compared to 491 L. That’s a difference of about 39 L.

When it comes to payload, the Aston Martin DBX carries very slightly more – 710 kg compared to 660 kg. That’s a difference of about 50 kg.

Who wins the race in the data check?

The Mercedes S-Class 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 £104,000
S-Class

Mercedes S-Class

  • Engine Type Petrol MHEV, Plugin Hybrid, Diesel MHEV
  • Transmission Automatic
  • Drive Type All-Wheel Drive, Rear-Wheel Drive
  • Power HP 336 - 635 HP
  • Consumption L/100km 2.2 - 11 L/100km
  • Electric Range 98 - 118 km
details

Frequently compared as well

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Mercedes S-Class
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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Mercedes S-Class

The Mercedes S-Class wraps peerless comfort, whisper-quiet luxury and subtle tech wizardry into a chauffeur-ready package that still knows how to engage the driver. It’s the car for buyers who want to arrive relaxed, be taken seriously and occasionally enjoy a grin when the road reminds them this limousine can dance.

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Reviews Mercedes S-Class

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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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Mercedes S-Class
Aston Martin DBX

Costs and Consumption
Price
104,000 - 201,400 £
Price
168,900 - 213,400 £
Consumption L/100km
2.2 - 11 L/100km
Consumption L/100km
14.2 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
98 - 118 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
50 - 252 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
2,165 - 2,650 kg
Curb weight
2,320 kg
Trunk capacity
345 - 530 L
Trunk capacity
491 L
Length
-
Length
-
Width
1,921 mm
Width
1,998 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
420 - 660 kg
Payload
710 kg

Engine and Performance
Engine Type
Petrol MHEV, Plugin Hybrid, Diesel MHEV
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
All-Wheel Drive
Power HP
336 - 635 HP
Power HP
707 - 727 HP
Acceleration 0-100km/h
4 - 5.7 s
Acceleration 0-100km/h
3.3 s
Max Speed
-
Max Speed
-
Torque
560 - 850 Nm
Torque
900 Nm
Number of Cylinders
6 - 8
Number of Cylinders
8
Power kW
247 - 467 kW
Power kW
520 - 535 kW
Engine capacity
2,989 - 3,982 cm3
Engine capacity
3,982 cm3

General
Model Year
2026
Model Year
2,022 - 2,025
CO2 Efficiency Class
G, B, F
CO2 Efficiency Class
G
Brand
Mercedes-Benz
Brand
Aston Martin
Is the Mercedes S-Class offered with different drivetrains?

The Mercedes S-Class is offered with 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.