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Lexus UX vs Mercedes C Class Sedan comparison

Compare performance (199 HP vs 680 HP), boot space and price (38,700 £ vs 41,300 £ ) at a glance. Find out which car is the better choice for you – Lexus UX or Mercedes C Class Sedan?

Lexus UX vs Mercedes C Class Sedan: Key differences

Lexus UX

4.6 (4 Reviews)
rate
  • very slightly cheaper
  • slightly lighter
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Mercedes C Class Sedan

  • clearly more power
  • somewhat more efficient
  • substantially quicker 0–100 km/h
  • noticeably more trunk space
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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

UX

Costs and Efficiency:

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

Lexus UX is very slightly cheaper – starting at 38,700 £ , while the Mercedes C Class Sedan costs 41,300 £ . That’s a price difference of around 2,583 £.

Fuel consumption also shows a difference: the Mercedes C Class Sedan uses 4.5 L/100km and is somewhat more efficient than the Lexus UX with 5 L/100km. The difference is about 0.5 L/100km.

C Class Sedan

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 C Class Sedan offers clearly more power – delivering 680 HP compared to 199 HP. That’s roughly 481 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes C Class Sedan is substantially quicker – completing the sprint in 3.4 s, while the Lexus UX takes 7.9 s. That’s about 4.5 s quicker.

UX

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, Lexus UX is slightly lighter – 1,495 kg compared to 1,695 kg. The difference is around 200 kg.

Looking at boot space, the Mercedes C Class Sedan offers noticeably more boot space – 455 L compared to 320 L. That’s a difference of about 135 L.

When it comes to payload, the Lexus UX carries only slightly more – 615 kg compared to 570 kg. That’s a difference of about 45 kg.

Who wins the race in the data check?

The Mercedes C Class Sedan is far ahead 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 £41,300
C Class Sedan

Mercedes C Class Sedan

  • Engine Type : Petrol MHEV, Diesel MHEV, Plugin Hybrid
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 183 - 680 HP
  • Consumption L/100km : 4.5 - 9 L/100km
  • Electric Range : 11 km
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View detailed analysis

Lexus UX

The Lexus UX is a compact luxury crossover that blends sharp styling with a quiet, comfortable cabin, perfect for urban buyers who want premium feel without shouting about it. It rides with poise, serves up plush materials and thoughtful tech, and—while it won’t satisfy anyone chasing track thrills—it's a smart, stylish choice for everyday driving.

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Reviews Lexus UX

4.6 (4 Reviews)
rate
marjollet
10 Feb 2026, 16:56:36

After a Toyota Avensis D4D with a BMW engine, I chose the UX 250h F Sport Design and I'm very satisfied.

Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
Norma
21 Dec 2025, 18:27:57

Lv my UX I live 10 miles outside Belfast do aloy of country driving to reach different places I go t

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

Mercedes C Class Sedan

The Mercedes C‑Class is the compact executive that dresses like it owns the boulevard, with an interior that blends modern elegance and plush comfort to make everyday driving feel unexpectedly special. On the road it pairs poise with a hint of cheeky agility, rewarding drivers who want refinement without forfeiting a touch of fun — and yes, it still looks great in the driveway.

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Reviews Mercedes C Class Sedan

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

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Lexus UX
Mercedes C Class Sedan

Costs and Consumption
Price
38,700 - 54,100 £
Price
41,300 - 103,400 £
Consumption L/100km
5 - 5.6 L/100km
Consumption L/100km
4.5 - 9 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
11 km
Battery Capacity
-
Battery Capacity
-
co2
113 - 127 g/km
co2
119 - 205 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
1,495 - 1,555 kg
Curb weight
1,695 - 2,165 kg
Trunk capacity
320 L
Trunk capacity
455 L
Length
-
Length
-
Width
1,840 mm
Width
1,820 - 1,900 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
555 - 615 kg
Payload
485 - 570 kg

Engine and Performance
Engine Type
Full Hybrid
Engine Type
Petrol MHEV, Diesel MHEV, Plugin Hybrid
Transmission
Automatic
Transmission
Automatic
Transmission Detail
CVT
Transmission Detail
Automatic Gearbox
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
199 HP
Power HP
183 - 680 HP
Acceleration 0-100km/h
7.9 - 8.1 s
Acceleration 0-100km/h
3.4 - 8.6 s
Max Speed
-
Max Speed
-
Torque
-
Torque
250 - 1,020 Nm
Number of Cylinders
4
Number of Cylinders
4
Power kW
146 kW
Power kW
135 - 500 kW
Engine capacity
1,987 cm3
Engine capacity
1,496 - 1,999 cm3

General
Model Year
2025
Model Year
2,024 - 2,025
CO2 Efficiency Class
C, D
CO2 Efficiency Class
E, D, G
Brand
Lexus
Brand
Mercedes-Benz
What drivetrain options does the Lexus UX have?

The Lexus UX is available as Front-Wheel Drive or 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.