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Porsche 911 Convertible vs Ferrari 849 Testarossa Coupe comparison

Compare performance (711 HP vs 1,050 HP), boot space and price (138,000 £ vs 385,700 £ ) at a glance. Find out which car is the better choice for you – Porsche 911 Convertible or Ferrari 849 Testarossa Coupe?

Porsche 911 Convertible vs Ferrari 849 Testarossa Coupe: Key differences

Porsche 911 Convertible

  • considerably cheaper
  • clearly lighter
  • clearly more trunk space
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Ferrari 849 Testarossa Coupe

  • clearly more power
  • somewhat more efficient
  • a bit quicker 0–100 km/h
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Here’s where it gets real: The technical differences in detail

911 Convertible

Costs and Efficiency:

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

Porsche 911 Convertible is considerably cheaper – starting at 138,000 £ , while the Ferrari 849 Testarossa Coupe costs 385,700 £ . That’s a price difference of around 247,714 £.

Fuel consumption also shows a difference: the Ferrari 849 Testarossa Coupe uses 9.3 L/100km and is somewhat more efficient than the Porsche 911 Convertible with 10.5 L/100km. The difference is about 1.2 L/100km.

849 Testarossa Coupe

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 Ferrari 849 Testarossa Coupe offers clearly more power – delivering 1,050 HP compared to 711 HP. That’s roughly 339 HP more horsepower.

When accelerating from 0 to 100 km/h, the Ferrari 849 Testarossa Coupe is a bit quicker – completing the sprint in 2.3 s, while the Porsche 911 Convertible takes 2.6 s. That’s about 0.3 s quicker.

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: Porsche 911 Convertible offers more seats – 4 vs 2.

In terms of curb weight, Porsche 911 Convertible is clearly lighter – 1,572 kg compared to 1,890 kg. The difference is around 318 kg.

Looking at boot space, the Porsche 911 Convertible offers clearly more boot space – 373 L compared to 74 L. That’s a difference of about 299 L.

When it comes to payload, the Porsche 911 Convertible carries substantially more – 345 kg compared to 190 kg. That’s a difference of about 155 kg.

Who wins the race in the data check?

The Porsche 911 Convertible 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 £138,000
911 Convertible

Porsche 911 Convertible

  • Engine Type Petrol, Full Hybrid
  • Transmission Manual, 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
Ferrari 849 Testarossa Coupe

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

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

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Ferrari 849 Testarossa Coupe

The Ferrari Testarossa coupe still turns heads with its slash-sided styling and a soundtrack that insists you’re driving a piece of Italian theatre. For buyers who crave drama over practicality, it delivers intoxicating presence and raw driver engagement — just be ready to explain to friends why that midlife crisis looks so good.

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Porsche 911 Convertible
Ferrari 849 Testarossa Coupe

Costs and Consumption
Price
138,000 - 244,500 £
Price
385,700 £
Consumption L/100km
10.5 - 13.7 L/100km
Consumption L/100km
9.3 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
21 km
Battery Capacity
-
Battery Capacity
-
co2
237 - 310 g/km
co2
212 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Convertible
Body Type
Coupe
Seats
2 - 4
Seats
2
Doors
-
Doors
-
Curb weight
1,572 - 1,900 kg
Curb weight
1,890 kg
Trunk capacity
163 - 373 L
Trunk capacity
74 L
Length
-
Length
-
Width
1,852 - 1,900 mm
Width
1,999 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
195 - 345 kg
Payload
190 kg

Engine and Performance
Engine Type
Petrol, Full Hybrid
Engine Type
Plug-in Hybrid
Transmission
Manual, Automatic
Transmission
Automatic
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
Transmission Detail
Dual-Clutch Automatic
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
394 - 711 HP
Power HP
1,050 HP
Acceleration 0-100km/h
2.6 - 4.7 s
Acceleration 0-100km/h
2.3 s
Max Speed
-
Max Speed
-
Torque
450 - 800 Nm
Torque
-
Number of Cylinders
6
Number of Cylinders
8
Power kW
290 - 523 kW
Power kW
772 kW
Engine capacity
2,981 - 3,996 cm3
Engine capacity
3,990 cm3

General
Model Year
2,024 - 2,026
Model Year
2026
CO2 Efficiency Class
G
CO2 Efficiency Class
G
Brand
Porsche
Brand
Ferrari
What drivetrain options does the Porsche 911 Convertible have?

The Porsche 911 Convertible is offered with Rear-Wheel Drive or 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.