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Maserati GranTurismo vs Porsche 911 Convertible comparison

Compare performance (550 HP vs 711 HP), boot space and price (135,800 £ vs 138,000 £ ) at a glance. Find out which car is the better choice for you – Maserati GranTurismo or Porsche 911 Convertible?

Maserati GranTurismo vs Porsche 911 Convertible: Key differences

Maserati GranTurismo

3.3 (1 Reviews)
rate
  • barely cheaper
  • only slightly more efficient
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Porsche 911 Convertible

  • visibly more power
  • clearly quicker 0–100 km/h
  • moderately lighter
  • slightly more trunk space
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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.

Maserati GranTurismo is barely cheaper – starting at 135,800 £ , while the Porsche 911 Convertible costs 138,000 £ . That’s a price difference of around 2,224 £.

Fuel consumption also shows a difference: the Maserati GranTurismo uses 10 L/100km and is only slightly more efficient than the Porsche 911 Convertible with 10.5 L/100km. The difference is about 0.5 L/100km.

911 Convertible

Engine and Performance:

Power, torque and acceleration say a lot about how a car feels on the road. This is where you see which model delivers more driving dynamics.

When it comes to engine power, the Porsche 911 Convertible offers visibly more power – delivering 711 HP compared to 550 HP. That’s roughly 161 HP more horsepower.

When accelerating from 0 to 100 km/h, the Porsche 911 Convertible is clearly quicker – completing the sprint in 2.6 s, while the Maserati GranTurismo takes 3.5 s. That’s about 0.9 s quicker.

There’s also a difference in torque: the Porsche 911 Convertible delivers a bit more torque with 800 Nm compared to 650 Nm. That’s about 150 Nm more.

GranTurismo

Space and Everyday Use:

Cabin size, boot volume and payload all play a role in everyday practicality. Here, comfort and flexibility make the difference.

Both vehicles offer seating for 4 people.

In terms of curb weight, Porsche 911 Convertible is moderately lighter – 1,572 kg compared to 1,795 kg. The difference is around 223 kg.

Looking at boot space, the Porsche 911 Convertible offers slightly more boot space – 373 L compared to 310 L. That’s a difference of about 63 L.

When it comes to payload, the Maserati GranTurismo carries markedly more – 500 kg compared to 345 kg. That’s a difference of about 155 kg.

Who wins the race in the data check?

The Porsche 911 Convertible 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 £138,000
911 Convertible

Porsche 911 Convertible

  • Engine Type : Petrol, Full Hybrid
  • Transmission : Manuel, Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 394 - 711 HP
  • Consumption L/100km : 10.5 - 13.7 L/100km
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Porsche 911 Convertible

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.

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Reviews Maserati GranTurismo

3.3 (1 Reviews)
rate
André
21 Feb 2026, 13:10:15

Two insanely beautiful and wonderfully fun cars in one. The ultimate tourer and a fast sports car.

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

Porsche 911 Convertible

The Porsche 911 Cabriolet transforms the iconic silhouette into an open‑air weapon, offering roof-down glamour and razor-sharp handling that still feels perfectly composed on normal roads. It’s the kind of car that serves daily duties with surprising ease while delivering intoxicating engine music and a grin factor that makes every trip feel like a small victory.

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Reviews Porsche 911 Convertible

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

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Maserati GranTurismo
Porsche 911 Convertible

Costs and Consumption
Price
135,800 - 170,500 £
Price
138,000 - 244,500 £
Consumption L/100km
10 L/100km
Consumption L/100km
10.5 - 13.7 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
226 g/km
co2
237 - 310 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Coupe
Body Type
Convertible
Seats
4
Seats
2 - 4
Doors
-
Doors
-
Curb weight
1,795 kg
Curb weight
1,572 - 1,900 kg
Trunk capacity
310 L
Trunk capacity
163 - 373 L
Length
-
Length
-
Width
1,957 mm
Width
1,852 - 1,900 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
500 kg
Payload
195 - 345 kg

Engine and Performance
Engine Type
Petrol
Engine Type
Petrol, Full Hybrid
Transmission
Automatic
Transmission
Manuel, Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
Drive Type
All-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
490 - 550 HP
Power HP
394 - 711 HP
Acceleration 0-100km/h
3.5 - 3.9 s
Acceleration 0-100km/h
2.6 - 4.7 s
Max Speed
-
Max Speed
-
Torque
600 - 650 Nm
Torque
450 - 800 Nm
Number of Cylinders
6
Number of Cylinders
6
Power kW
361 - 404 kW
Power kW
290 - 523 kW
Engine capacity
2,992 cm3
Engine capacity
2,981 - 3,996 cm3

General
Model Year
2026
Model Year
2,024 - 2,026
CO2 Efficiency Class
G
CO2 Efficiency Class
G
Brand
Maserati
Brand
Porsche
What drive types are available for the Maserati GranTurismo?

Available configurations include All-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.