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BMW 7 Series vs Mercedes S-Class comparison

Compare performance (571 HP vs 635 HP), boot space and price (102,800 £ vs 104,000 £ ) at a glance. Find out which car is the better choice for you – BMW 7 Series or Mercedes S-Class?

BMW 7 Series vs Mercedes S-Class: Key differences

BMW 7 Series

  • only slightly cheaper
  • only slightly more trunk space
details

Mercedes S-Class

  • a bit more power
  • clearly more efficient
  • visibly more electric range
  • barely quicker 0–100 km/h
  • only slightly lighter
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By Achim Sedelmaier

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

7 Series

Costs and Efficiency:

Looking at overall running costs, both models reveal some interesting differences in everyday economy.

BMW 7 Series is only slightly cheaper – starting at 102,800 £ , while the Mercedes S-Class costs 104,000 £ . That’s a price difference of around 1,248 £.

Fuel consumption also shows a difference: the Mercedes S-Class uses 2.2 L/100km and is clearly more efficient than the BMW 7 Series with 3.3 L/100km. The difference is about 1.1 L/100km.

As for electric range, the Mercedes S-Class offers visibly more range – reaching up to 118 km, about 38 km more than the BMW 7 Series.

S-Class

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 Mercedes S-Class offers a bit more power – delivering 635 HP compared to 571 HP. That’s roughly 64 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes S-Class is barely quicker – completing the sprint in 4 s, while the BMW 7 Series takes 4.3 s. That’s about 0.3 s quicker.

There’s also a difference in torque: the Mercedes S-Class delivers barely more torque with 850 Nm compared to 800 Nm. That’s about 50 Nm more.

7 Series

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, Mercedes S-Class is only slightly lighter – 2,165 kg compared to 2,255 kg. The difference is around 90 kg.

Looking at boot space, the BMW 7 Series offers only slightly more boot space – 540 L compared to 530 L. That’s a difference of about 10 L.

When it comes to payload, the BMW 7 Series carries only slightly more – 665 kg compared to 660 kg. That’s a difference of about 5 kg.

Who wins the race in the data check?

The Mercedes S-Class holds a decisive 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.

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
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BMW 7 Series
Mercedes S-Class

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

BMW 7 Series

The BMW 7 Series is a flagship that balances whisper-quiet luxury with a driver's focus, wrapping advanced tech and plush comfort in a sleek, authoritative presence. It’s the kind of car that navigates city traffic and open roads with equal poise, offering a grown-up alternative for buyers who demand refinement without losing a little driving fun.

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Reviews BMW 7 Series

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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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BMW 7 Series
Mercedes S-Class

Costs and Consumption
Price
102,800 - 128,700 £
Price
104,000 - 201,400 £
Consumption L/100km
3.3 - 6.1 L/100km
Consumption L/100km
2.2 - 11 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
80 km
Electric Range
98 - 118 km
Battery Capacity
-
Battery Capacity
-
co2
74 - 160 g/km
co2
50 - 252 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Sedan
Body Type
Sedan
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
2,255 - 2,525 kg
Curb weight
2,165 - 2,650 kg
Trunk capacity
525 - 540 L
Trunk capacity
345 - 530 L
Length
-
Length
-
Width
1,950 mm
Width
1,921 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
605 - 665 kg
Payload
420 - 660 kg

Engine and Performance
Engine Type
Diesel MHEV, Plugin Hybrid
Engine Type
Petrol MHEV, Plugin Hybrid, Diesel MHEV
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
All-Wheel Drive
Drive Type
All-Wheel Drive, Rear-Wheel Drive
Power HP
300 - 571 HP
Power HP
336 - 635 HP
Acceleration 0-100km/h
4.3 - 5.8 s
Acceleration 0-100km/h
4 - 5.7 s
Max Speed
-
Max Speed
-
Torque
670 - 800 Nm
Torque
560 - 850 Nm
Number of Cylinders
6
Number of Cylinders
6 - 8
Power kW
220 - 420 kW
Power kW
247 - 467 kW
Engine capacity
2,993 - 2,998 cm3
Engine capacity
2,989 - 3,982 cm3

General
Model Year
2,024 - 2,025
Model Year
2026
CO2 Efficiency Class
F, B
CO2 Efficiency Class
G, B, F
Brand
BMW
Brand
Mercedes-Benz
What drive types are available for the BMW 7 Series?

Available configurations include 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.