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Lexus LBX vs Mazda 3 Sedan comparison

Compare performance (136 HP vs 186 HP), boot space and price (28,300 £ vs 25,000 £ ) at a glance. Find out which car is the better choice for you – Lexus LBX or Mazda 3 Sedan?

Lexus LBX vs Mazda 3 Sedan: Key differences

Lexus LBX

5 (2 Reviews)
rate
  • clearly more efficient
  • somewhat lighter
details

Mazda 3 Sedan

4.7 (1 Reviews)
rate
  • a bit cheaper
  • clearly more power
  • slightly quicker 0–100 km/h
details

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

LBX

Costs and Efficiency:

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

Mazda 3 Sedan is a bit cheaper – starting at 25,000 £ , while the Lexus LBX costs 28,300 £ . That’s a price difference of around 3,300 £.

Fuel consumption also shows a difference: the Lexus LBX uses 4.5 L/100km and is clearly more efficient than the Mazda 3 Sedan with 5.5 L/100km. The difference is about 1 L/100km.

3 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 Mazda 3 Sedan offers clearly more power – delivering 186 HP compared to 136 HP. That’s roughly 50 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mazda 3 Sedan is slightly quicker – completing the sprint in 8.1 s, while the Lexus LBX takes 9.2 s. That’s about 1.1 s quicker.

There’s also a difference in torque: the Mazda 3 Sedan delivers visibly more torque with 240 Nm compared to 185 Nm. That’s about 55 Nm more.

LBX

Space and Everyday Use:

Whether family car or daily driver – which one offers more room, flexibility and comfort?

Both vehicles offer seating for 5 people.

In terms of curb weight, Lexus LBX is somewhat lighter – 1,280 kg compared to 1,420 kg. The difference is around 140 kg.

When it comes to payload, the Mazda 3 Sedan carries very slightly more – 481 kg compared to 475 kg. That’s a difference of about 6 kg.

Who wins the race in the data check?

The Mazda 3 Sedan is decisively ahead 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 £25,000
3 Sedan

Mazda 3 Sedan

  • Engine Type : Petrol MHEV
  • Transmission : Manuel, Automatic
  • Drive Type : Front-Wheel Drive
  • Power HP : 140 - 186 HP
  • Consumption L/100km : 5.5 - 6.1 L/100km
Lexus LBX
Mazda 3 Sedan

Costs and Consumption

View detailed analysis

Engine and Performance

View detailed analysis

Dimensions and Body

View detailed analysis

Lexus LBX

The Lexus LBX is a compact premium crossover that brings Lexus styling and craftsmanship to city driving, pairing a cozy interior with thoughtful tech and upscale materials. It focuses on a quiet, refined ride and fuel-efficient everyday usability while carrying the brand’s familiar emphasis on comfort and safety.

details

Mazda 3 Sedan

The Mazda 3 Sedan dresses like a compact premium car, with sculpted lines and an interior that punches well above its class. It rewards drivers with eager handling and a composed, comfortable ride that turns routine runs into something a bit more enjoyable — proof that style and substance can share the same key.

details
Lexus LBX
Mazda 3 Sedan

Costs and Consumption

Price
28,300 - 40,000 £
Price
25,000 - 34,200 £
Consumption L/100km
4.5 - 4.8 L/100km
Consumption L/100km
5.5 - 6.1 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
102 - 110 g/km
co2
123 - 135 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
1,280 - 1,365 kg
Curb weight
1,420 - 1,492 kg
Trunk capacity
-
Trunk capacity
450 L
Length
-
Length
-
Width
1,825 mm
Width
1,795 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
455 - 475 kg
Payload
467 - 481 kg

Engine and Performance

Engine Type
Full Hybrid
Engine Type
Petrol MHEV
Transmission
Automatic
Transmission
Manuel, Automatic
Transmission Detail
CVT
Transmission Detail
Manual Gearbox, Automatic Gearbox
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
Front-Wheel Drive
Power HP
136 HP
Power HP
140 - 186 HP
Acceleration 0-100km/h
9.2 - 9.6 s
Acceleration 0-100km/h
8.1 - 9.8 s
Max Speed
-
Max Speed
-
Torque
185 Nm
Torque
238 - 240 Nm
Number of Cylinders
3
Number of Cylinders
4
Power kW
100 kW
Power kW
103 - 137 kW
Engine capacity
1,490 cm3
Engine capacity
1,998 - 2,488 cm3

General

Model Year
2025
Model Year
2025
CO2 Efficiency Class
C
CO2 Efficiency Class
D
Brand
Lexus
Brand
Mazda
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.