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CUPRA Leon SP Wagon vs Mercedes GLB comparison

Compare performance (333 HP vs 354 HP), boot space and price (37,900 £ vs 43,200 £ ) at a glance. Find out which car is the better choice for you – CUPRA Leon SP Wagon or Mercedes GLB?

CUPRA Leon SP Wagon vs Mercedes GLB: Key differences

CUPRA Leon SP Wagon

  • slightly cheaper
  • significantly more efficient
  • moderately quicker 0–100 km/h
  • noticeably lighter
  • a bit more trunk space
details

Mercedes GLB

3.6 (4 Reviews)
rate
  • very slightly more power
  • considerably more electric range
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

Leon SP Wagon

Costs and Efficiency:

Price and efficiency are key factors when choosing a car – and this is often where the real differences emerge.

CUPRA Leon SP Wagon is slightly cheaper – starting at 37,900 £ , while the Mercedes GLB costs 43,200 £ . That’s a price difference of around 5,303 £.

Fuel consumption also shows a difference: the CUPRA Leon SP Wagon uses 1.3 L/100km and is significantly more efficient than the Mercedes GLB with 5.7 L/100km. The difference is about 4.4 L/100km.

As for electric range, the Mercedes GLB offers considerably more range – reaching up to 631 km, about 501 km more than the CUPRA Leon SP Wagon.

GLB

Engine and Performance:

Power, torque and acceleration are the classic benchmarks for car enthusiasts – and here, some clear differences start to show.

When it comes to engine power, the Mercedes GLB offers very slightly more power – delivering 354 HP compared to 333 HP. That’s roughly 21 HP more horsepower.

When accelerating from 0 to 100 km/h, the CUPRA Leon SP Wagon is moderately quicker – completing the sprint in 4.8 s, while the Mercedes GLB takes 5.5 s. That’s about 0.7 s quicker.

There’s also a difference in torque: the Mercedes GLB delivers somewhat more torque with 515 Nm compared to 420 Nm. That’s about 95 Nm more.

Leon SP Wagon

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, CUPRA Leon SP Wagon is noticeably lighter – 1,416 kg compared to 1,840 kg. The difference is around 424 kg.

Looking at boot space, the CUPRA Leon SP Wagon offers a bit more boot space – 620 L compared to 540 L. That’s a difference of about 80 L.

When it comes to payload, the CUPRA Leon SP Wagon carries only slightly more – 535 kg compared to 505 kg. That’s a difference of about 30 kg.

Who wins the race in the data check?

The CUPRA Leon SP Wagon 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 £37,900
Leon SP Wagon

CUPRA Leon SP Wagon

  • Engine Type Petrol, Diesel, Plugin Hybrid, Petrol MHEV
  • Transmission Automatic, Manuel
  • Drive Type All-Wheel Drive, Front-Wheel Drive
  • Power HP 150 - 333 HP
  • Consumption L/100km 1.3 - 8.3 L/100km
  • Electric Range 124 - 130 km
details

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CUPRA Leon SP Wagon
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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

CUPRA Leon SP Wagon

The CUPRA Leon Sportstourer turns the humble family wagon into something that looks and drives like it belongs on the racetrack while still swallowing your shopping and weekend gear without complaint. Stylish, practical and with a cabin that feels grown-up, it’s the kind of car for buyers who demand function but don’t want to hide the fun.

details
IPP-All-new-SEAT-Leon_19_HQ(1)
IPP-All-new-SEAT-Leon_23_HQ
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Reviews CUPRA Leon SP Wagon

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

Mercedes GLB

The Mercedes GLB is a compact luxury SUV that blends smart packaging with a polished, composed driving experience. Its flexible interior and premium feel make it a sensible pick for buyers who want Mercedes comfort and practicality in a smaller footprint.

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Reviews Mercedes GLB

3.6 (4 Reviews)
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Hans
19 Feb 2026, 02:39:00

Great car — very satisfied with the GLB 250 4MATIC.

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

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CUPRA Leon SP Wagon
Mercedes GLB

Costs and Consumption
Price
37,900 - 50,800 £
Price
43,200 - 62,400 £
Consumption L/100km
1.3 - 8.3 L/100km
Consumption L/100km
5.7 - 6.1 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
15.4 - 15.9 kWh/100km
Electric Range
124 - 130 km
Electric Range
431 - 631 km
Battery Capacity
-
Battery Capacity
-
co2
29 - 188 g/km
co2
0 - 138 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Estate
Body Type
SUV
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,416 - 1,756 kg
Curb weight
1,840 - 2,280 kg
Trunk capacity
470 - 620 L
Trunk capacity
540 L
Length
-
Length
-
Width
1,799 mm
Width
1,861 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
394 - 535 kg
Payload
485 - 505 kg

Engine and Performance
Engine Type
Petrol, Diesel, Plugin Hybrid, Petrol MHEV
Engine Type
Electric, Full Hybrid
Transmission
Automatic, Manuel
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic, Manual Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
All-Wheel Drive, Front-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
150 - 333 HP
Power HP
156 - 354 HP
Acceleration 0-100km/h
4.8 - 9.2 s
Acceleration 0-100km/h
5.5 - 9.7 s
Max Speed
-
Max Speed
-
Torque
250 - 420 Nm
Torque
280 - 515 Nm
Number of Cylinders
4
Number of Cylinders
4
Power kW
110 - 245 kW
Power kW
115 - 260 kW
Engine capacity
1,498 - 1,984 cm3
Engine capacity
1,499 cm3

General
Model Year
2025
Model Year
2026
CO2 Efficiency Class
G, D, F, B
CO2 Efficiency Class
A, D, E
Brand
CUPRA
Brand
Mercedes-Benz
What drive types are available for the CUPRA Leon SP Wagon?

The CUPRA Leon SP Wagon is available as All-Wheel Drive or Front-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.