VS

Lexus RX vs Mercedes S Class comparison

Compare performance (371 HP vs 635 HP), boot space and price (63,300 £ vs 104,000 £ ) at a glance. Find out which car is the better choice for you – Lexus RX or Mercedes S Class?

Lexus RX vs Mercedes S Class: Key differences

Lexus RX

  • clearly cheaper
  • barely lighter
details

Mercedes S Class

  • substantially more power
  • significantly more efficient
  • considerably more electric range
  • considerably quicker 0–100 km/h
details

By Achim Sedelmaier

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

RX

Costs and Efficiency:

Price and efficiency are often the first things buyers look at. Here it becomes clear which model has the long-term edge – whether at the pump, the plug, or in purchase price.

Lexus RX is clearly cheaper – starting at 63,300 £ , while the Mercedes S Class costs 104,000 £ . That’s a price difference of around 40,719 £.

Fuel consumption also shows a difference: the Mercedes S Class uses 2.2 L/100km and is significantly more efficient than the Lexus RX with 3.3 L/100km. The difference is about 1.1 L/100km.

As for electric range, the Mercedes S Class offers considerably more range – reaching up to 118 km, about 51 km more than the Lexus RX.

S Class

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 Mercedes S Class offers substantially more power – delivering 635 HP compared to 371 HP. That’s roughly 264 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes S Class is considerably quicker – completing the sprint in 4 s, while the Lexus RX takes 6.2 s. That’s about 2.2 s quicker.

There’s also a difference in torque: the Mercedes S Class delivers noticeably more torque with 850 Nm compared to 551 Nm. That’s about 299 Nm more.

RX

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, Lexus RX is barely lighter – 2,040 kg compared to 2,165 kg. The difference is around 125 kg.

When it comes to payload, the Mercedes S Class carries marginally more – 660 kg compared to 620 kg. That’s a difference of about 40 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

Lexus RX
Toyota RAV4
VS
Unsure whether the Lexus RX or the Toyota RAV4 is the better match? Compare both models directly and discover differences in power, efficiency, comfort and value for money — all summarized in one easy view to support your decision.
Honda CR-V
Lexus RX
VS
The Honda CR-V and Lexus RX compete for the top spot in your garage. See how both models differ in key areas like performance, running costs, interior space and technology. A fast, clear comparison helps you pick the one that fits your needs best.
Lexus RX
Mercedes S Class

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Lexus RX

The Lexus RX glides through city streets with the kind of hushed refinement that turns mundane commutes into a private lounge. It mixes plush comfort and polished practicality in a package that suits buyers who want to arrive relaxed and a touch smug.

details
78278-rxmatadorredmica7715
78265-rxmatadorredmica7160
78241-rxmatadorredmica5677
78283-23rxinteriorillumination3724b
78251-rxmatadorredmica5799trunkf

Reviews Lexus RX

No reviews yet. Share your experience and help others decide.

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.

details
21C0428_003
21C0428_004
21C0613_021
21C0613_037
21C0613_042
21C0613_043

Reviews Mercedes S Class

No reviews yet. Share your experience and help others decide.

Frequently compared as well

Lexus RX
BYD Sealion 7
VS
The Lexus RX and BYD Sealion 7 compete for the top spot in your garage. See how both models differ in key areas like performance, running costs, interior space and technology. A fast, clear comparison helps you pick the one that fits your needs best.
Mercedes GLS
Mercedes S Class
VS
Unsure whether the Mercedes GLS or the Mercedes S Class is the better match? Compare both models directly and discover differences in power, efficiency, comfort and value for money — all summarized in one easy view to support your decision.
Lexus RX
Lexus RZ
VS
Lexus RX and Lexus RZ go head-to-head: compare performance, space, features and price in one quick overview to see which model suits your daily driving, budget and lifestyle better. A clear, side-by-side look helps you make the smarter choice.
Lexus RX
Mazda CX-80
VS
In the battle of luxury and practicality, the Lexus RX and Mazda CX-80 present distinct offerings that cater to different driver preferences. The RX impresses with its refined interior and advanced technology, delivering a smooth ride that epitomizes luxury. Meanwhile, the CX-80 combines stylish …
Lexus RX
Skoda Kodiaq
VS
Lexus RX and Skoda Kodiaq go head-to-head: compare performance, space, features and price in one quick overview to see which model suits your daily driving, budget and lifestyle better. A clear, side-by-side look helps you make the smarter choice.
Lexus RX
XPeng G9
VS
Lexus RX and XPeng G9 go head-to-head: compare performance, space, features and price in one quick overview to see which model suits your daily driving, budget and lifestyle better. A clear, side-by-side look helps you make the smarter choice.
Mercedes E Class
Mercedes S Class
VS
Unsure whether the Mercedes E Class or the Mercedes S Class is the better match? Compare both models directly and discover differences in power, efficiency, comfort and value for money — all summarized in one easy view to support your decision.
Lexus RX
Mazda CX-60
VS
Lexus RX and Mazda CX-60 go head-to-head: compare performance, space, features and price in one quick overview to see which model suits your daily driving, budget and lifestyle better. A clear, side-by-side look helps you make the smarter choice.
Lexus RX
Mercedes S Class

Costs and Consumption
Price
63,300 - 87,400 £
Price
104,000 - 201,400 £
Consumption L/100km
3.3 - 8.1 L/100km
Consumption L/100km
2.2 - 11 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
67 km
Electric Range
98 - 118 km
Battery Capacity
-
Battery Capacity
-
co2
75 - 183 g/km
co2
50 - 252 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
Sedan
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
2,040 - 2,185 kg
Curb weight
2,165 - 2,650 kg
Trunk capacity
461 L
Trunk capacity
-
Length
-
Length
-
Width
1,920 mm
Width
1,921 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
575 - 620 kg
Payload
420 - 660 kg

Engine and Performance
Engine Type
Full Hybrid, Plugin Hybrid
Engine Type
Petrol MHEV, Plugin Hybrid, Diesel MHEV
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox, CVT
Transmission Detail
Automatic Gearbox
Drive Type
All-Wheel Drive
Drive Type
All-Wheel Drive, Rear-Wheel Drive
Power HP
207 - 371 HP
Power HP
336 - 635 HP
Acceleration 0-100km/h
6.2 - 7.9 s
Acceleration 0-100km/h
4 - 5.7 s
Max Speed
-
Max Speed
-
Torque
551 Nm
Torque
560 - 850 Nm
Number of Cylinders
4
Number of Cylinders
6 - 8
Power kW
152 - 273 kW
Power kW
247 - 467 kW
Engine capacity
2,393 - 2,487 cm3
Engine capacity
2,989 - 3,982 cm3

General
Model Year
2,024 - 2,025
Model Year
2026
CO2 Efficiency Class
G, E, B
CO2 Efficiency Class
G, B, F
Brand
Lexus
Brand
Mercedes-Benz
Is the Lexus RX offered with different drivetrains?

The Lexus RX is offered with 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.