VS

Lexus RZ vs Mercedes S Class comparison

Compare performance (408 HP vs 635 HP), boot space and price (48,900 £ vs 104,000 £ ) at a glance. Find out which car is the better choice for you – Lexus RZ or Mercedes S Class?

Lexus RZ vs Mercedes S Class: Key differences

Lexus RZ

4.8 (1 Reviews)
rate
  • significantly cheaper
  • clearly more electric range
  • barely lighter
details

Mercedes S Class

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

By Achim Sedelmaier

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

RZ

Costs and Efficiency:

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

Lexus RZ is significantly cheaper – starting at 48,900 £ , while the Mercedes S Class costs 104,000 £ . That’s a price difference of around 55,077 £.

As for electric range, the Lexus RZ offers clearly more range – reaching up to 559 km, about 441 km more than the Mercedes S Class.

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 markedly more power – delivering 635 HP compared to 408 HP. That’s roughly 227 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes S Class is somewhat quicker – completing the sprint in 4 s, while the Lexus RZ takes 4.4 s. That’s about 0.4 s quicker.

There’s also a difference in torque: the Mercedes S Class delivers visibly more torque with 850 Nm compared to 538 Nm. That’s about 312 Nm more.

RZ

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 RZ is barely lighter – 1,995 kg compared to 2,165 kg. The difference is around 170 kg.

When it comes to payload, the Mercedes S Class carries moderately more – 660 kg compared to 540 kg. That’s a difference of about 120 kg.

Who wins the race in the data check?

The Lexus RZ stands well ahead of its rival 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 £48,900
RZ

Lexus RZ

  • Engine Type : Electric
  • Transmission : Automatic
  • Drive Type : Front-Wheel Drive, All-Wheel Drive
  • Power HP : 227 - 408 HP
  • Consumption kWh/100km : 14.7 - 18.1 kWh/100km
  • Electric Range : 457 - 559 km
Lexus RZ
Mercedes S Class

Costs and Consumption

View detailed analysis

Engine and Performance

View detailed analysis

Dimensions and Body

View detailed analysis

Lexus RZ

The Lexus RZ brings Lexus' trademark quiet luxury to the electric SUV world, wrapping poised handling and a plush, well-crafted cabin in a calm, composed package. It won't shout about raw figures — instead it trades headline numbers for smooth power delivery, fuss-free tech and an effortless refinement that will suit buyers who want electric convenience without losing the luxury experience.

details

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
Lexus RZ
Mercedes S Class

Costs and Consumption

Price
48,900 - 67,500 £
Price
104,000 - 201,400 £
Consumption L/100km
-
Consumption L/100km
2.2 - 11 L/100km
Consumption kWh/100km
14.7 - 18.1 kWh/100km
Consumption kWh/100km
-
Electric Range
457 - 559 km
Electric Range
98 - 118 km
Battery Capacity
-
Battery Capacity
-
co2
0 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
1,995 - 2,135 kg
Curb weight
2,165 - 2,650 kg
Trunk capacity
-
Trunk capacity
-
Length
-
Length
-
Width
1,895 mm
Width
1,921 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
505 - 540 kg
Payload
420 - 660 kg

Engine and Performance

Engine Type
Electric
Engine Type
Petrol MHEV, Plugin Hybrid, Diesel MHEV
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
All-Wheel Drive, Rear-Wheel Drive
Power HP
227 - 408 HP
Power HP
336 - 635 HP
Acceleration 0-100km/h
4.4 - 7.5 s
Acceleration 0-100km/h
4 - 5.7 s
Max Speed
-
Max Speed
-
Torque
269 - 538 Nm
Torque
560 - 850 Nm
Number of Cylinders
-
Number of Cylinders
6 - 8
Power kW
167 - 300 kW
Power kW
247 - 467 kW
Engine capacity
-
Engine capacity
2,989 - 3,982 cm3

General

Model Year
2025
Model Year
2026
CO2 Efficiency Class
A
CO2 Efficiency Class
G, B, F
Brand
Lexus
Brand
Mercedes-Benz
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.