Car comparison

Ferrari Roma Spider 3.9 V8vsPorsche 911 Cabriolet (992) · Facelift 2024 Turbo S 3.6

Compare specs, acceleration, fuel consumption, dimensions, practicality, and estimated running costs side by side.

New comparison

Ferrari Roma Spider

3.9 V8

620 hp3855 ccGasolineRWDDual-clutchTwin-turboCabriolet / convertible2023-present

Porsche 911 Cabriolet (992) · Facelift 2024

Turbo S 3.6

640 hp3591 ccGasolineAWDDual-clutchTurbochargedCabriolet / convertible2025-present

Comparison overview

Use the estimates as comparison hints and verify exact figures before making decisions.

Ferrari Roma Spider 3.9 V8

Fastest top speed
330 km/h
205 mph Unrestricted
320 km/h
199 mph Restricted
Highest torque
760 Nm
561 lb-ft
Lightest
1,556 kg
3,430 lb
Best power-to-weight
398 hp/t
297 kW/t
2.5 kg/hp
Largest trunk
255 L
Best overall score
78/100
Best performance score
94/100
Best practicality score
43/100

Porsche 911 Cabriolet (992) Facelift 2024 Turbo S 3.6

Quickest 0-100 km/h
2.6 s
Most powerful
640 hp
477 kW
Best economy score
75/100

Specification comparison

Specification comparison
Model	FerrariRoma Spider3.9 V8	Porsche911 Cabriolet (992)Facelift 2024Turbo S 3.6
Power	620hp462kW	640hp477kW
Torque	760Nm561lb-ft	760Nm561lb-ft
Curb weight	1,556kg3,430lb	1,810kg3,990lb
Gross weight	-	2,175kg4,795lb
Top speed	Unrestricted 330 km/h205 mph Restricted 320 km/h199 mph Calculated	322 km/h 200 mph
To 99% top speed	56.8s99% target: 327 km/h / 203 mph Calculated	63.7s99% target: 319 km/h / 198 mph Calculated
0-100 km/h	3.4s	2.6s
0-200 km/h	9.7s	8.8s
0-60 mph	3.3s Calculated	2.5s Calculated
Fuel consumption	-	11.8L/100 km19.9mpg US23.9mpg UK
Quarter mile	11.0s Calculated	10.3s Calculated
Power-to-weight	398hp/t297kW/t181hp/1000 lb Calculated	354hp/t264kW/t160hp/1000 lb Calculated
Torque-to-weight	488Nm/t327lb-ft/ton Calculated	420Nm/t281lb-ft/ton Calculated
Estimated range	-	534km332mi Calculated
Displacement	3,855cc235cu in	3,591cc219cu in
Length	4,656mm183in	4,551mm179in
Width	1,974mm78in	1,900mm75in
Height	1,306mm51in	1,304mm51in
Wheelbase	2,670mm105in	2,450mm96in
Front track	1,652mm65in	-
Rear track	1,679mm66in	-
Ground clearance	-	125mm5in
Trunk volume	255L	163L
Doors	2	2
Seats	4	4
Fuel tank	80L	63L

Performance charts

Use the estimates as comparison hints and verify exact figures before making decisions.

Dyno simulation

Estimated stock-style power and torque curves by engine speed.

Ferrari Roma Spider 3.9 V8Porsche 911 Cabriolet (992) Facelift 2024 Turbo S 3.6PowerTorque

Dyno simulation data table
Vehicle	Peak power RPM	Peak torque RPM	Max engine speed
FerrariRoma Spider3.9 V8	5,750-7,500 rpm	3,000-5,750 rpm	7,750 rpm
Porsche911 Cabriolet (992)Facelift 2024Turbo S 3.6	6,500-7,000 rpm	2,300-6,000 rpm	7,500 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	FerrariRoma Spider3.9 V8	Porsche911 Cabriolet (992)Facelift 2024Turbo S 3.6
	Acceleration checkpoints
0-60 mph 0-97 km/h	3.3 s	2.5 s
0-100 km/h 0-62 mph	3.4 s	2.6 s
0-200 km/h 0-124 mph	9.7 s	8.8 s
0-200 mph 0-322 km/h	44.6 s	-
Top speed	Unrestricted 330 km/h205 mph Restricted 320 km/h199 mph Likely limited	322 km/h 200 mph
	Drag race simulation
60 ft 18 m	1.9 s	1.6 s
330 ft 101 m	4.9 s	4.3 s
1/8 mile 201 m	7.3 s	6.6 s
1000 ft 305 m	9.3 s	8.7 s
1/4 mile 402 m	11.0 s	10.3 s
Trap speed 1/4 mile 402 m	214 km/h 133 mph	215 km/h 134 mph

Power comparison

Bar comparison chart for Power. Higher is better · hp / kW

Chart data table
Vehicle	Value
FerrariRoma Spider3.9 V8	620 hp 462 kW
Porsche911 Cabriolet (992)Facelift 2024Turbo S 3.6	640 hp 477 kW

Porsche 911 Cabriolet (992) Facelift 2024 Turbo S 3.6 has 20 hp more than Ferrari Roma Spider 3.9 V8.

The biggest power difference is between Ferrari Roma Spider 3.9 V8 and Porsche 911 Cabriolet (992) Facelift 2024 Turbo S 3.6: 20 hp (15 kW).

Torque comparison

Bar comparison chart for Torque. Higher is better · Nm / lb-ft

Chart data table
Vehicle	Value
FerrariRoma Spider3.9 V8	760 Nm 561 lb-ft
Porsche911 Cabriolet (992)Facelift 2024Turbo S 3.6	760 Nm 561 lb-ft

Curb weight comparison

Bar comparison chart for Curb weight. Lower is better · kg / lb

Chart data table
Vehicle	Value
FerrariRoma Spider3.9 V8	1,556 kg 3,430 lb
Porsche911 Cabriolet (992)Facelift 2024Turbo S 3.6	1,810 kg 3,990 lb

Top speed without limiter comparison

Bar comparison chart for Top speed without limiter. Higher is better · km/h / mph

Chart data table
Vehicle	Value
FerrariRoma Spider3.9 V8	Unrestricted 330 km/h205 mph Restricted 320 km/h199 mph
Porsche911 Cabriolet (992)Facelift 2024Turbo S 3.6	322 km/h 200 mph

0-100 km/h comparison

Bar comparison chart for 0-100 km/h. Lower is better · seconds

Chart data table
Vehicle	Value
FerrariRoma Spider3.9 V8	3.4 s
Porsche911 Cabriolet (992)Facelift 2024Turbo S 3.6	2.6 s

The biggest 0-100 km/h difference is between Porsche 911 Cabriolet (992) Facelift 2024 Turbo S 3.6 and Ferrari Roma Spider 3.9 V8: 0.8 s.

Power-to-weight comparison

Bar comparison chart for Power-to-weight. Higher is better · hp/t / kW/t

Chart data table
Vehicle	Value
FerrariRoma Spider3.9 V8	398 hp/t 297 kW/t 2.5 kg/hp
Porsche911 Cabriolet (992)Facelift 2024Turbo S 3.6	354 hp/t 264 kW/t 2.8 kg/hp

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
Vehicle	Power	Acceleration	Top speed
FerrariRoma Spider3.9 V8	620 hp 462 kW	3.4 s	Unrestricted 330 km/h205 mph Restricted 320 km/h199 mph
Porsche911 Cabriolet (992)Facelift 2024Turbo S 3.6	640 hp 477 kW	2.6 s	322 km/h 200 mph

Most attractive quadrant

Scatter chart with performance score on the X axis and practicality score on the Y axis.

Vehicle

Performance score

Practicality score

FerrariRoma Spider3.9 V8

Power	620 hp 462 kW
0-100 km/h	3.4 s
Top speed Unrestricted 330 km/h205 mph Restricted 320 km/h199 mph

Doors/seats	2 doors 4 seats
Trunk	255 L 9.0 cu ft
Length	4,656 mm 183.3 in
Height	1,306 mm 51.4 in

Porsche911 Cabriolet (992)Facelift 2024Turbo S 3.6

Power	640 hp 477 kW
0-100 km/h	2.6 s
Top speed 322 km/h 200 mph

Doors/seats	2 doors 4 seats
Trunk	163 L 5.8 cu ft
Length	4,551 mm 179.2 in
Height	1,304 mm 51.3 in

Detailed score breakdown

Vehicle

FerrariRoma Spider3.9 V8

Porsche911 Cabriolet (992)Facelift 2024Turbo S 3.6

Power

620 hp

462 kW

640 hp

477 kW

Torque

760 Nm

561 lb-ft

760 Nm

561 lb-ft

Acceleration

3.4 s

2.6 s

Top speed

Unrestricted

330 km/h205 mph

Restricted

320 km/h199 mph

322 km/h

200 mph

Lightness

1,556 kg

3,430 lb

1,810 kg

3,990 lb

Fuel consumption

11.8 L/100 km

19.9 mpg US

23.9 mpg UK

Practicality

Doors/seats	2 doors 4 seats
Trunk	255 L 9.0 cu ft
Length	4,656 mm 183.3 in
Height	1,306 mm 51.4 in

Doors/seats	2 doors 4 seats
Trunk	163 L 5.8 cu ft
Length	4,551 mm 179.2 in
Height	1,304 mm 51.3 in

Range score

534 km

332 mi

Trunk score

255 L

9.0 cu ft

163 L

5.8 cu ft

Power-to-weight score

398 hp/t

297 kW/t

2.5 kg/hp

354 hp/t

264 kW/t

2.8 kg/hp

Overall

Fixed score

Fuel cost and annual usage

Estimate running costs from combined consumption, your annual distance, and the fuel price in your local currency.

Average annual distanceDistance unitFuel price in your local currencyPrice unit

Enter the fuel price in your local currency, for example €/L, $/gal, £/L or any other local currency.

LC = Local Currency

Fuel cost and annual usage
Vehicle	Porsche 911 Cabriolet (992) Facelift 2024 Turbo S 3.6
Consumption	11.8 L/100 km19.9 mpg US23.9 mpg UK
Cost / 100 km	20.65 LC100 km
Cost / 100 mi	33.23 LC100 mi
Annual fuel used	1,770 L468 US gal389 UK gal
Annual fuel cost	3,098 LC/year