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Maserati GranTurismo vs Mercedes GLB comparison

Compare performance (550 HP vs 354 HP), boot space and price (135,800 £ vs 43,200 £ ) at a glance. Find out which car is the better choice for you – Maserati GranTurismo or Mercedes GLB?

Maserati GranTurismo vs Mercedes GLB: Key differences

Maserati GranTurismo

3.3 (1 Reviews)
rate
  • noticeably more power
  • considerably quicker 0–100 km/h
  • only slightly lighter
details

Mercedes GLB

3.6 (4 Reviews)
rate
  • clearly cheaper
  • substantially more efficient
  • considerably more trunk space
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

GranTurismo

Costs and Efficiency:

Price and efficiency are often the first things buyers look at. Here it becomes clear which model has the long-term edge – whether at the pump, the plug, or in purchase price.

Mercedes GLB is clearly cheaper – starting at 43,200 £ , while the Maserati GranTurismo costs 135,800 £ . That’s a price difference of around 92,579 £.

Fuel consumption also shows a difference: the Mercedes GLB uses 5.7 L/100km and is substantially more efficient than the Maserati GranTurismo with 10 L/100km. The difference is about 4.3 L/100km.

GLB

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 Maserati GranTurismo offers noticeably more power – delivering 550 HP compared to 354 HP. That’s roughly 196 HP more horsepower.

When accelerating from 0 to 100 km/h, the Maserati GranTurismo is considerably quicker – completing the sprint in 3.5 s, while the Mercedes GLB takes 5.5 s. That’s about 2 s quicker.

There’s also a difference in torque: the Maserati GranTurismo delivers noticeably more torque with 650 Nm compared to 515 Nm. That’s about 135 Nm more.

GranTurismo

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.

Seats: Mercedes GLB offers more seats – 5 vs 4.

In terms of curb weight, Maserati GranTurismo is only slightly lighter – 1,795 kg compared to 1,840 kg. The difference is around 45 kg.

Looking at boot space, the Mercedes GLB offers considerably more boot space – 540 L compared to 310 L. That’s a difference of about 230 L.

When it comes to payload, the Mercedes GLB carries very slightly more – 505 kg compared to 500 kg. That’s a difference of about 5 kg.

Who wins the race in the data check?

The Mercedes GLB 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 £43,200
GLB

Mercedes GLB

  • Engine Type Electric, Full Hybrid
  • Transmission Automatic
  • Drive Type Rear-Wheel Drive, All-Wheel Drive
  • Power HP 156 - 354 HP
  • Consumption L/100km 5.7 - 6.1 L/100km
  • Consumption kWh/100km 15.4 - 15.9 kWh/100km
  • Electric Range 431 - 631 km
Maserati GranTurismo
Mercedes GLB

Costs and Consumption

View detailed analysis

Engine and Performance

View detailed analysis

Dimensions and Body

View detailed analysis

Maserati GranTurismo

The Maserati GranTurismo is a swooping Italian grand tourer that marries dramatic, museum-worthy styling with a sonorous exhaust note that insists on being noticed. It’s the kind of indulgent cruiser for buyers who want theatrical presence and a luxurious, long-distance demeanour rather than everyday practicality.

details

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.

details
Maserati GranTurismo
Mercedes GLB

Costs and Consumption

Price
135,800 - 170,500 £
Price
43,200 - 62,400 £
Consumption L/100km
10 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
-
Electric Range
431 - 631 km
Battery Capacity
-
Battery Capacity
-
co2
226 g/km
co2
0 - 138 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body

Body Type
Coupe
Body Type
SUV
Seats
4
Seats
5
Doors
-
Doors
-
Curb weight
1,795 kg
Curb weight
1,840 - 2,280 kg
Trunk capacity
310 L
Trunk capacity
540 L
Length
-
Length
-
Width
1,957 mm
Width
1,861 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
500 kg
Payload
485 - 505 kg

Engine and Performance

Engine Type
Petrol
Engine Type
Electric, Full Hybrid
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
All-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
490 - 550 HP
Power HP
156 - 354 HP
Acceleration 0-100km/h
3.5 - 3.9 s
Acceleration 0-100km/h
5.5 - 9.7 s
Max Speed
-
Max Speed
-
Torque
600 - 650 Nm
Torque
280 - 515 Nm
Number of Cylinders
6
Number of Cylinders
4
Power kW
361 - 404 kW
Power kW
115 - 260 kW
Engine capacity
2,992 cm3
Engine capacity
1,499 cm3

General

Model Year
2026
Model Year
2026
CO2 Efficiency Class
G
CO2 Efficiency Class
A, D, E
Brand
Maserati
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.