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Lexus RX vs Mercedes GLA comparison

Compare performance (371 HP vs 421 HP), boot space and price (63,300 £ vs 38,800 £ ) at a glance. Find out which car is the better choice for you – Lexus RX or Mercedes GLA?

Lexus RX vs Mercedes GLA: Key differences

Lexus RX

  • very slightly more trunk space
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Mercedes GLA

4.5 (4 Reviews)
rate
  • substantially cheaper
  • moderately more power
  • slightly more efficient
  • very slightly more electric range
  • significantly quicker 0–100 km/h
  • markedly lighter
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All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.

By Achim Sedelmaier

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

RX

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 GLA is substantially cheaper – starting at 38,800 £ , while the Lexus RX costs 63,300 £ . That’s a price difference of around 24,464 £.

Fuel consumption also shows a difference: the Mercedes GLA uses 2.9 L/100km and is slightly more efficient than the Lexus RX with 3.3 L/100km. The difference is about 0.4 L/100km.

As for electric range, the Mercedes GLA offers very slightly more range – reaching up to 74 km, about 7 km more than the Lexus RX.

GLA

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 GLA offers moderately more power – delivering 421 HP compared to 371 HP. That’s roughly 50 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes GLA is significantly quicker – completing the sprint in 4.3 s, while the Lexus RX takes 6.2 s. That’s about 1.9 s quicker.

There’s also a difference in torque: the Lexus RX delivers marginally more torque with 551 Nm compared to 500 Nm. That’s about 51 Nm more.

RX

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 GLA is markedly lighter – 1,570 kg compared to 2,040 kg. The difference is around 470 kg.

Looking at boot space, the Lexus RX offers very slightly more boot space – 461 L compared to 435 L. That’s a difference of about 26 L.

When it comes to payload, the Lexus RX carries slightly more – 620 kg compared to 500 kg. That’s a difference of about 120 kg.

Who wins the race in the data check?

The Mercedes GLA 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 £38,800
GLA

Mercedes GLA

  • Engine Type : Petrol MHEV, Plugin Hybrid, Diesel, Petrol
  • Transmission : Automatic
  • Drive Type : Front-Wheel Drive, All-Wheel Drive
  • Power HP : 116 - 421 HP
  • Consumption L/100km : 2.9 - 9.5 L/100km
  • Electric Range : 74 km
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Frequently compared as well

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Mercedes GLA
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The Mercedes B‑Class is the practical, airy people‑carrier that prioritises space and comfort, while the Mercedes GLA takes the same mechanical smarts and adds SUV looks, higher ride height and a touch more road presence. Pick the B‑Class for family‑friendly sense and efficiency, choose the GLA if …
Mercedes A Class
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Lexus RX
Mercedes GLA

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.

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Reviews Lexus RX

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

Mercedes GLA

The Mercedes GLA blends Mercedes style with compact crossover practicality, looking sharper than its size suggests while still feeling purposeful around town. Inside it serves up premium materials and tech-forward ergonomics, and the composed ride makes it an appealing pick for buyers who want luxury wrapped in a city-friendly package with a wink of adventurous spirit.

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Reviews Mercedes GLA

4.5 (4 Reviews)
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Lucien
1 May 2026, 07:12:24

GLA 180 petrol. Ideal for city and highway. Very smooth and quiet. The automatic gearbox is a delight. Average consumption 6.2 L/100 km. Special edition 180 Cyber Edition, leather seats....

How do you mainly use this car? (optional): Family car
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
Gutter
24 Feb 2026, 21:53:27

Super nimble, very impressive power from this 1,300cc mild‑hybrid engine — in town, on the road and on the motorway for this 2025 GLA 180 Style AMG... premium interior!

How do you mainly use this car? (optional): Family car
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
Serge
16 Jan 2026, 16:09:11

You have to compare like with like — the GLA should be compared to the Q3, not the Q2 as in your study!

How do you mainly use this car? (optional): Family car
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money

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Lexus RX
Mercedes GLA

Costs and Consumption
Price
63,300 - 87,400 £
Price
38,800 - 75,300 £
Consumption L/100km
3.3 - 8.1 L/100km
Consumption L/100km
2.9 - 9.5 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
67 km
Electric Range
74 km
Battery Capacity
-
Battery Capacity
-
co2
75 - 183 g/km
co2
66 - 216 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
SUV
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
2,040 - 2,185 kg
Curb weight
1,570 - 1,810 kg
Trunk capacity
461 L
Trunk capacity
385 - 435 L
Length
-
Length
-
Width
1,920 mm
Width
1,834 - 1,849 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
575 - 620 kg
Payload
480 - 500 kg

Engine and Performance
Engine Type
Full Hybrid, Plugin Hybrid
Engine Type
Petrol MHEV, Plugin Hybrid, Diesel, Petrol
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox, CVT
Transmission Detail
Dual-Clutch Automatic
Drive Type
All-Wheel Drive
Drive Type
Front-Wheel Drive, All-Wheel Drive
Power HP
207 - 371 HP
Power HP
116 - 421 HP
Acceleration 0-100km/h
6.2 - 7.9 s
Acceleration 0-100km/h
4.3 - 11 s
Max Speed
-
Max Speed
-
Torque
551 Nm
Torque
230 - 500 Nm
Number of Cylinders
4
Number of Cylinders
4
Power kW
152 - 273 kW
Power kW
85 - 310 kW
Engine capacity
2,393 - 2,487 cm3
Engine capacity
1,332 - 1,991 cm3

General
Model Year
2,024 - 2,025
Model Year
2025
CO2 Efficiency Class
G, E, B
CO2 Efficiency Class
E, F, B, G
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.