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@ Dr. Ing. h.c. F. Porsche AG

Mercedes GLC vs Porsche Cayenne – Differences & prices compared

Q: How much power does the Mercedes GLC deliver on the road?

The Mercedes GLC reaches a peak output of 680 HP, depending on the model.

Q: How much fuel does the Mercedes GLC use?

Based on WLTP testing, consumption is around 1.60 L.

Q: What are the Mercedes GLC’s WLTP consumption values in kWh/100 km?

In the WLTP cycle, the Mercedes GLC consumes around 14.90 kWh.

Q: What is the electric driving range of the Mercedes GLC?

According to WLTP, the Mercedes GLC can travel up to 714 km on a single charge.

Q: How large is the Mercedes GLC’s battery?

The battery capacity is 94 kWh.

Q: What is the top speed of the Mercedes GLC?

The Mercedes GLC reaches up to 275 km/h.

Q: How big is the Mercedes GLC overall?

The Mercedes GLC measures 4716 mm long, 1890 mm wide and 1640 mm high.

Q: Is the Porsche Cayenne offered with different drivetrains?

The Porsche Cayenne is available as All-Wheel Drive.

Q: How much power does the Porsche Cayenne deliver on the road?

The Porsche Cayenne reaches a peak output of 739 HP, depending on the model.

Compare performance, boot capacity, efficiency and price at a glance.
Find out which car is the better choice for you – Mercedes GLC or Porsche Cayenne?

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Here’s where it gets real: The technical differences in detail

GLC @ Mercedes-Benz Group Media

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 GLC has a clearly advantage in terms of price – it starts at 50300 £, while the Porsche Cayenne costs 87000 £. That’s a price difference of around 36673 £.

Fuel consumption also shows a difference: Mercedes GLC manages with 1.60 L and is therefore decisively more efficient than the Porsche Cayenne with 4 L. The difference is about 2.40 L per 100 km.

As for range, the Mercedes GLC performs decisively better – achieving up to 714 km, about 631 km more than the Porsche Cayenne.

Cayenne @ Dr. Ing. h.c. F. Porsche AG

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 hardly perceptible edge – offering 739 HP compared to 680 HP. That’s roughly 59 HP more horsepower.

In acceleration from 0 to 100 km/h, the Mercedes GLC is minimal quicker – completing the sprint in 3.50 s, while the Porsche Cayenne takes 3.60 s. That’s about 0.10 s faster.

In terms of top speed, the Porsche Cayenne performs barely noticeable better – reaching 305 km/h, while the Mercedes GLC tops out at 275 km/h. The difference is around 30 km/h.

There’s also a difference in torque: Mercedes GLC pulls hardly perceptible stronger with 1020 Nm compared to 950 Nm. That’s about 70 Nm difference.

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GLC @ Mercedes-Benz Group Media

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 GLC is a bit lighter – 1910 kg compared to 2130 kg. The difference is around 220 kg.

In terms of boot space, the Porsche Cayenne offers to a small extent more room – 772 L compared to 620 L. That’s a difference of about 152 L.

In maximum load capacity, the Mercedes GLC performs barely noticeable better – up to 1740 L, which is about 32 L more than the Porsche Cayenne.

When it comes to payload, Porsche Cayenne to a small extent takes the win – 705 kg compared to 600 kg. That’s a difference of about 105 kg.

Who wins the race?

The Mercedes GLC proves to be is largely superior and therefore becomes our DriveDuel Champion!
Mercedes GLC is the better all-rounder in this comparison.

from about £50,300

@ Mercedes-Benz Group Media

Mercedes GLC

Price : 50300 - 126600 £
Body Type : SUV
Engine Type : Petrol MHEV, Plugin Hybrid, Diesel MHEV, Electric
Transmission : Automatic
Transmission Detail : Automatic Gearbox, Reduction Gearbox
Drive Type : All-Wheel Drive
Power HP : 186 - 680 HP
Consumption L/100km : 1.6 - 9.9 L
Consumption kWh/100km : 14.9 - 16.6 kWh
Electric Range : 12 - 714 km
Battery Capacity : 94 kWh
Seats : 5
Acceleration 0-100km/h : 3.5 - 9 s
Model Year : 2025 - 2026
Max Speed : 208 - 275 km/h
Torque : 320 - 1020 Nm
Number of Cylinders : 4 - 6
Doors : 5
Model : GLC
Modell : GLC 200, GLC 300, GLC 63 S E PERFORMANCE, GLC Coupé 63 S E PERFORMANCE, GLC Coupé 200, GLC Coupé 300, GLC 200 d, GLC 300 e, GLC 400 e, GLC 220 d, GLC 300 d, GLC 300 de, GLC 450 d, GLC 43 AMG, GLC Coupé 43 AMG, GLC Coupé 300 e, GLC Coupé 400 e, GLC Coupé 200 d, GLC Coupé 220 d, GLC Coupé 300 d, GLC Coupé 300 de, GLC Coupé 450 d, GLC 400 EQ
CO2 Efficiency Class : F, G, B, A
Trim Level : Edition Avantgarde 4MATIC 9G-TRONIC, Avantgarde Advanced 4MATIC 9G-TRONIC, Avantgarde Advanced Plus 4MATIC 9G-TRONIC, Avantgarde Premium 4MATIC 9G-TRONIC, Avantgarde Premium Plus 4MATIC 9G-TRONIC, Edition AMG Line 4MATIC 9G-TRONIC, AMG Line Advanced 4MATIC 9G-TRONIC, AMG Line Advanced Plus 4MATIC 9G-TRONIC, AMG Line Premium 4MATIC 9G-TRONIC, AMG Line Premium Plus 4MATIC 9G-TRONIC, Premium 4MATIC SPEEDSHIFT MCT 9G, Premium Plus 4MATIC SPEEDSHIFT MCT 9G, Edition 1 Premium 4MATIC SPEEDSHIFT MCT 9G, Edition 1 Premium Plus 4MATIC SPEEDSHIFT MCT 9G, AMG Sondermodell 4MATIC SPEEDSHIFT MCT 9G, Avantgarde 4MATIC, Long Range Edition 4MATIC, AMG Line 4MATIC, AMG Line Plus 4MATIC
Power kW : 137 - 500 kW
co2 : 0 - 225 g/km
Engine capacity : 1991 - 2989 cm3
Curb weight : 1910 - 2535 kg
Fuel tank capacity : 49 - 65 L
Trunk capacity : 390 - 620 L
Length : 4716 - 4845 mm
Width : 1890 - 1913 mm
Height : 1603 - 1647 mm
Brand : Mercedes-Benz
Max trunk capacity : 1335 - 1740 L
Payload : 475 - 600 kg

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Mercedes GLC

4 (2)

The Mercedes GLC blends plush cabin comfort and composed road manners into an SUV that feels more grown-up than it looks. It won’t shout for attention, but will quietly please buyers who want refinement, usable space and a touch of luxury without the drama.

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Porsche Cayenne

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.

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@ Dr. Ing. h.c. F. Porsche AG

@ Dr. Ing. h.c. F. Porsche AG

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Mercedes GLC

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Mercedes GLC

Porsche Cayenne

@ Mercedes-Benz Group Media	@ Dr. Ing. h.c. F. Porsche AG

Costs and Consumption
Price 50300 - 126600 £	Price 87000 - 186400 £
Consumption L/100km 1.6 - 9.9 L	Consumption L/100km 4 - 12.2 L
Consumption kWh/100km 14.9 - 16.6 kWh	Consumption kWh/100km -
Electric Range 12 - 714 km	Electric Range 74 - 83 km
Battery Capacity 94 kWh	Battery Capacity 21.80 kWh
co2 0 - 225 g/km	co2 90 - 277 g/km
Fuel tank capacity 49 - 65 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 1910 - 2535 kg	Curb weight 2130 - 2670 kg
Trunk capacity 390 - 620 L	Trunk capacity 434 - 772 L
Length 4716 - 4845 mm	Length 4930 mm
Width 1890 - 1913 mm	Width 1983 - 1989 mm
Height 1603 - 1647 mm	Height 1652 - 1698 mm
Max trunk capacity 1335 - 1740 L	Max trunk capacity 1344 - 1708 L
Payload 475 - 600 kg	Payload 365 - 705 kg

Engine and Performance
Engine Type Petrol MHEV, Plugin Hybrid, Diesel MHEV, Electric	Engine Type Petrol, Plugin Hybrid
Transmission Automatic	Transmission Automatic
Transmission Detail Automatic Gearbox, Reduction Gearbox	Transmission Detail Automatic Gearbox
Drive Type All-Wheel Drive	Drive Type All-Wheel Drive
Power HP 186 - 680 HP	Power HP 353 - 739 HP
Acceleration 0-100km/h 3.5 - 9 s	Acceleration 0-100km/h 3.6 - 6 s
Max Speed 208 - 275 km/h	Max Speed 248 - 305 km/h
Torque 320 - 1020 Nm	Torque 500 - 950 Nm
Number of Cylinders 4 - 6	Number of Cylinders 6 - 8
Power kW 137 - 500 kW	Power kW 260 - 544 kW
Engine capacity 1991 - 2989 cm3	Engine capacity 2995 - 3996 cm3