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Mercedes GLB vs Porsche Cayenne - Differences and prices compared
Compare performance (320 HP vs 1156 HP), boot space and price (40500 £ vs 87000 £ ) at a glance. Find out which car is the better choice for you – Mercedes GLB or Porsche Cayenne?
GLB
Costs and Efficiency:
Price and efficiency are key factors when choosing a car – and this is often where the real differences emerge.
Mercedes GLB has a decisively advantage in terms of price – it starts at 40500 £ , while the Porsche Cayenne costs 87000 £ . That’s a price difference of around 46491 £.
Fuel consumption also shows a difference: Porsche Cayenne manages with 4 L and is therefore noticeable more efficient than the Mercedes GLB with 5.60 L. The difference is about 1.60 L per 100 km.
Cayenne
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 Porsche Cayenne has a significantly edge – offering 1156 HP compared to 320 HP. That’s roughly 836 HP more horsepower.
In acceleration from 0 to 100 km/h, the Porsche Cayenne is decisively quicker – completing the sprint in 2.50 s, while the Mercedes GLB takes 5.50 s. That’s about 3 s faster.
In terms of top speed, the Porsche Cayenne performs to a small extent better – reaching 305 km/h, while the Mercedes GLB tops out at 250 km/h. The difference is around 55 km/h.
There’s also a difference in torque: Porsche Cayenne pulls convincingly stronger with 1500 Nm compared to 400 Nm. That’s about 1100 Nm difference.
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GLB
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 curb weight, Mercedes GLB is clearly perceptible lighter – 1640 kg compared to 2130 kg. The difference is around 490 kg.
In terms of boot space, the Porsche Cayenne offers distinct more room – 781 L compared to 570 L. That’s a difference of about 211 L.
In maximum load capacity, the Mercedes GLB performs minimal better – up to 1805 L, which is about 97 L more than the Porsche Cayenne.
When it comes to payload, Porsche Cayenne clearly perceptible takes the win – 705 kg compared to 500 kg. That’s a difference of about 205 kg.
Who wins the race in the data check?
The Porsche Cayenne sits 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.
Mercedes GLB
Porsche Cayenne
Costs and Consumption
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Engine and Performance
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Dimensions and Body
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from about £87,000
Porsche Cayenne
Mercedes GLB
5 (1 Reviews)
The Mercedes GLB is a practical compact SUV that mixes boxy, family-friendly space with premium German polish, making it an appealing choice for buyers who want usefulness without pretension. It drives with a confident, composed feel and somehow manages to look both rugged and refined — the grown-up SUV that still likes to have fun.
details
Porsche Cayenne
1.9 (1 Reviews)
Few SUVs blend athletic poise and Teutonic precision like the Porsche Cayenne, putting genuine sports‑car feeling into a roomy, everyday package. If you want a practical family hauler that still makes you grin every time you merge, the Cayenne delivers — turning errands into an excuse for a spirited drive.
details
Mercedes GLB
Porsche Cayenne
Costs and Consumption |
|
|---|---|
|
Price
40500 - 65300 £
|
Price
87000 - 186400 £
|
|
Consumption L/100km
5.6 - 9 L
|
Consumption L/100km
4 - 12.2 L
|
|
Consumption kWh/100km
-
|
Consumption kWh/100km
19.7 - 20.6 kWh
|
|
Electric Range
-
|
Electric Range
74 - 642 km
|
|
Battery Capacity
-
|
Battery Capacity
21.80 kWh
|
|
co2
146 - 204 g/km
|
co2
0 - 277 g/km
|
|
Fuel tank capacity
52 - 60 L
|
Fuel tank capacity
70 - 90 L
|
Dimensions and Body |
|
|---|---|
|
Body Type
SUV
|
Body Type
SUV
|
|
Seats
5
|
Seats
4 - 5
|
|
Doors
5
|
Doors
5
|
|
Curb weight
1640 - 1820 kg
|
Curb weight
2130 - 2720 kg
|
|
Trunk capacity
565 - 570 L
|
Trunk capacity
434 - 781 L
|
|
Length
4634 - 4650 mm
|
Length
4930 mm
|
|
Width
1834 - 1850 mm
|
Width
1980 - 1989 mm
|
|
Height
1665 - 1692 mm
|
Height
1652 - 1698 mm
|
|
Max trunk capacity
1800 - 1805 L
|
Max trunk capacity
1344 - 1708 L
|
|
Payload
500 kg
|
Payload
365 - 705 kg
|
Engine and Performance |
|
|---|---|
|
Engine Type
Petrol MHEV, Diesel
|
Engine Type
Petrol, Plugin Hybrid, Electric
|
|
Transmission
Automatic
|
Transmission
Automatic
|
|
Transmission Detail
Dual-Clutch Automatic
|
Transmission Detail
Automatic Gearbox, Reduction Gearbox
|
|
Drive Type
Front-Wheel Drive, All-Wheel Drive
|
Drive Type
All-Wheel Drive
|
|
Power HP
116 - 320 HP
|
Power HP
353 - 1156 HP
|
|
Acceleration 0-100km/h
5.5 - 11.5 s
|
Acceleration 0-100km/h
2.5 - 6 s
|
|
Max Speed
188 - 250 km/h
|
Max Speed
248 - 305 km/h
|
|
Torque
230 - 400 Nm
|
Torque
500 - 1500 Nm
|
|
Number of Cylinders
4
|
Number of Cylinders
6 - 8
|
|
Power kW
85 - 235 kW
|
Power kW
260 - 850 kW
|
|
Engine capacity
1332 - 1991 cm3
|
Engine capacity
2995 - 3996 cm3
|
General |
|
|---|---|
|
Model Year
2025
|
Model Year
2025 - 2026
|
|
CO2 Efficiency Class
E, F, G
|
CO2 Efficiency Class
G, B, C, A
|
|
Brand
Mercedes-Benz
|
Brand
Porsche
|
What drivetrain options does the Mercedes GLB have?
Available configurations include Front-Wheel Drive or All-Wheel Drive.
The prices shown are estimates based on German list prices, adjusted for local VAT. Local registration taxes (e.g. NoVA, BPM or CO2 malus) are not included. This information is not legally binding.