Car comparison

Porsche 911 Targa (997) Targa 4S 3.8vsPorsche 911 Cabriolet (991) Carrera 3.4

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

New comparison

Porsche 911 Targa (997)

Targa 4S 3.8

355 hp3824 ccGasolineAWDAutomaticNaturally aspirated2006-2008
VS

Porsche 911 Cabriolet (991)

Carrera 3.4

350 hp3436 ccGasolineRWDManualNaturally aspiratedCabriolet / convertible2011-2015

Comparison overview

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

Best choices

Porsche 911 Cabriolet (991) Carrera 3.4

  • Quickest 0-100 km/h
    5.0 s
  • Lightest
    1,470 kg
    3,241 lb
  • Best power-to-weight
    238 hp/t
    178 kW/t
    4.2 kg/hp
  • Lowest combined fuel consumption
    9.2 L/100 km
    25.6 mpg US
    30.7 mpg UK
  • Lowest city consumption
    12.7 L/100 km
    18.5 mpg US
    22.2 mpg UK
  • Lowest highway consumption
    7.2 L/100 km
    32.7 mpg US
    39.2 mpg UK
  • Lowest CO2 emissions
    216 g/km
  • Best estimated range
    696 km
    432 mi
  • Largest trunk
    290 L
  • Best economy score
    82/100

Porsche 911 Targa (997) Targa 4S 3.8

  • Fastest top speed
    290 km/h
    180 mph Unrestricted
    280 km/h
    174 mph Restricted
  • Most powerful
    355 hp
    265 kW
  • Highest torque
    400 Nm
    295 lb-ft
  • Best overall score
    67/100
  • Best performance score
    72/100
  • Best practicality score
    56/100

Specification comparison

Specification comparison
ModelPorsche911 Targa (997)Targa 4S 3.8Porsche911 Cabriolet (991)Carrera 3.4
Power
355hp265kW
350hp261kW
Torque
400Nm295lb-ft
390Nm288lb-ft
Curb weight
1,575kg3,472lb
1,470kg3,241lb
Gross weight
1,960kg4,321lb
1,850kg4,079lb
Top speed
Unrestricted
290 km/h180 mph
Restricted
280 km/h174 mph
Calculated
286 km/h
178 mph
To 99% top speed
74.2s99% target: 287 km/h / 178 mph
Calculated
68.9s99% target: 283 km/h / 176 mph
Calculated
0-100 km/h
5.4s
5.0s
0-200 km/h
16.5s
Calculated
15.6s
Calculated
0-60 mph
5.2s
Calculated
4.8s
Calculated
Fuel consumption
11.9L/100 km19.8mpg US23.7mpg UK
9.2L/100 km25.6mpg US30.7mpg UK
Fuel consumption city
18L/100 km13.1mpg US15.7mpg UK
12.7L/100 km18.5mpg US22.2mpg UK
Fuel consumption highway
8.6L/100 km27.4mpg US32.8mpg UK
7.2L/100 km32.7mpg US39.2mpg UK
Quarter mile
13.4s
Calculated
13.0s
Calculated
Power-to-weight
225hp/t168kW/t102hp/1000 lb
Calculated
238hp/t178kW/t108hp/1000 lb
Calculated
Torque-to-weight
254Nm/t170lb-ft/ton
Calculated
265Nm/t178lb-ft/ton
Calculated
Estimated range
563km350mi
Calculated
696km432mi
Calculated
Displacement
3,824cc233cu in
3,436cc210cu in
Length
4,427mm174in
4,491mm177in
Width
1,852mm73in
1,808mm71in
Height
1,300mm51in
1,299mm51in
Wheelbase
2,350mm93in
2,450mm96in
Front track-
1,532mm60in
Rear track-
1,518mm60in
Trunk volume-
290L
Max trunk volume
105L
-
Doors
2
2
Seats
4
4
Fuel tank
67L
64L
CO2 emissions
286g/km
216g/km

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.

Porsche 911 Targa (997) Targa 4S 3.8Porsche 911 Cabriolet (991) Carrera 3.4PowerTorque
  • Porsche 911 Targa (997) Targa 4S 3.8: Power / Torque
  • Porsche 911 Cabriolet (991) Carrera 3.4: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Porsche911 Targa (997)Targa 4S 3.86,600 rpm4,600 rpm6,850 rpm
Porsche911 Cabriolet (991)Carrera 3.47,400 rpm5,600 rpm7,650 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricPorsche911 Targa (997)Targa 4S 3.8Porsche911 Cabriolet (991)Carrera 3.4
Acceleration checkpoints
0-60 mph
0-97 km/h
5.2 s
4.8 s
0-100 km/h
0-62 mph
5.4 s
5.0 s
0-200 km/h
0-124 mph
16.5 s
15.6 s
Top speed
Unrestricted
290 km/h180 mph
Restricted
280 km/h174 mph
Likely limited
286 km/h
178 mph
Drag race simulation
60 ft
18 m
2.3 s
2.2 s
330 ft
101 m
6.0 s
5.8 s
1/8 mile
201 m
8.9 s
8.6 s
1000 ft
305 m
11.3 s
11.0 s
1/4 mile
402 m
13.4 s
13.0 s
Trap speed
1/4 mile
402 m
180 km/h
112 mph
183 km/h
114 mph

Power comparison

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

Chart data table
VehicleValue
Porsche911 Targa (997)Targa 4S 3.8
355 hp
265 kW
Porsche911 Cabriolet (991)Carrera 3.4
350 hp
261 kW

Porsche 911 Targa (997) Targa 4S 3.8 has 5 hp more than Porsche 911 Cabriolet (991) Carrera 3.4.

The biggest power difference is between Porsche 911 Cabriolet (991) Carrera 3.4 and Porsche 911 Targa (997) Targa 4S 3.8: 5 hp (4 kW).

Torque comparison

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

Chart data table
VehicleValue
Porsche911 Targa (997)Targa 4S 3.8
400 Nm
295 lb-ft
Porsche911 Cabriolet (991)Carrera 3.4
390 Nm
288 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
Porsche911 Targa (997)Targa 4S 3.8
1,575 kg
3,472 lb
Porsche911 Cabriolet (991)Carrera 3.4
1,470 kg
3,241 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
Porsche911 Targa (997)Targa 4S 3.8
Unrestricted
290 km/h180 mph
Restricted
280 km/h174 mph
Porsche911 Cabriolet (991)Carrera 3.4
286 km/h
178 mph

0-100 km/h comparison

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

Although Porsche 911 Targa (997) Targa 4S 3.8 has more power, Porsche 911 Cabriolet (991) Carrera 3.4 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Porsche 911 Cabriolet (991) Carrera 3.4 and Porsche 911 Targa (997) Targa 4S 3.8: 0.4 s.

Fuel consumption comparison

Bar comparison chart for Fuel consumption. Lower is better · L/100 km / mpg US / mpg UK

Chart data table
VehicleValue
Porsche911 Targa (997)Targa 4S 3.8
11.9 L/100 km
19.8 mpg US
23.7 mpg UK
Porsche911 Cabriolet (991)Carrera 3.4
9.2 L/100 km
25.6 mpg US
30.7 mpg UK

The biggest fuel consumption difference is between Porsche 911 Cabriolet (991) Carrera 3.4 and Porsche 911 Targa (997) Targa 4S 3.8: 2.7 L/100 km.

Power-to-weight comparison

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

Chart data table
VehicleValue
Porsche911 Targa (997)Targa 4S 3.8
225 hp/t
168 kW/t
4.4 kg/hp
Porsche911 Cabriolet (991)Carrera 3.4
238 hp/t
178 kW/t
4.2 kg/hp

Estimated range comparison

Bar comparison chart for Estimated range. Higher is better · km / mi

Chart data table
VehicleValue
Porsche911 Targa (997)Targa 4S 3.8
563 km
350 mi
Porsche911 Cabriolet (991)Carrera 3.4
696 km
432 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Porsche911 Targa (997)Targa 4S 3.8
355 hp
265 kW
5.4 s
Unrestricted
290 km/h180 mph
Restricted
280 km/h174 mph
Porsche911 Cabriolet (991)Carrera 3.4
350 hp
261 kW
5.0 s
286 km/h
178 mph

Most attractive quadrant

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

Chart data table
VehiclePerformance scorePracticality score
Porsche911 Targa (997)Targa 4S 3.8
Power
355 hp
265 kW
0-100 km/h5.4 s
Top speed
Unrestricted
290 km/h180 mph
Restricted
280 km/h174 mph
Doors/seats
2 doors
4 seats
Trunk
105 L
3.7 cu ft
Length
4,427 mm
174.3 in
Height
1,300 mm
51.2 in
Porsche911 Cabriolet (991)Carrera 3.4
Power
350 hp
261 kW
0-100 km/h5.0 s
Top speed
286 km/h
178 mph
Doors/seats
2 doors
4 seats
Trunk
290 L
10.2 cu ft
Length
4,491 mm
176.8 in
Height
1,299 mm
51.1 in

Performance vs fuel economy

Cars closer to the top-right corner combine stronger performance with better fuel economy scores.

Performance vs fuel economy data table
VehiclePerformance scoreFuel economy score
Porsche911 Targa (997)Targa 4S 3.8
Power
355 hp
265 kW
0-100 km/h5.4 s
Top speed
Unrestricted
290 km/h180 mph
Restricted
280 km/h174 mph
11.9 L/100 km
19.8 mpg US
23.7 mpg UK
Porsche911 Cabriolet (991)Carrera 3.4
Power
350 hp
261 kW
0-100 km/h5.0 s
Top speed
286 km/h
178 mph
9.2 L/100 km
25.6 mpg US
30.7 mpg UK

Porsche 911 Cabriolet (991) Carrera 3.4 is closest to the top-right balance target for performance and fuel economy.

Acceleration vs fuel consumption

Cars closer to the lower-left corner offer a better mix of quick acceleration and low fuel consumption.

Acceleration vs fuel consumption data table
VehicleFuel consumption, L/100 km0-100 km/h, s
Porsche911 Targa (997)Targa 4S 3.8
11.9 L/100 km
19.8 mpg US
23.7 mpg UK
5.4 s
Porsche911 Cabriolet (991)Carrera 3.4
9.2 L/100 km
25.6 mpg US
30.7 mpg UK
5.0 s

Power-to-weight vs fuel consumption

The shaded area favors higher power-to-weight with lower combined fuel consumption.

Power-to-weight vs fuel consumption data table
VehiclePower-to-weight, hp/tFuel consumption, L/100 km
Porsche911 Targa (997)Targa 4S 3.8
225 hp/t
168 kW/t
4.4 kg/hp
11.9 L/100 km
19.8 mpg US
23.7 mpg UK
Porsche911 Cabriolet (991)Carrera 3.4
238 hp/t
178 kW/t
4.2 kg/hp
9.2 L/100 km
25.6 mpg US
30.7 mpg UK

Detailed score breakdown

Detailed score breakdown
VehiclePorsche911 Targa (997)Targa 4S 3.8Porsche911 Cabriolet (991)Carrera 3.4
Power
355 hp
265 kW
350 hp
261 kW
Torque
400 Nm
295 lb-ft
390 Nm
288 lb-ft
Acceleration
5.4 s
5.0 s
Top speed
Unrestricted
290 km/h180 mph
Restricted
280 km/h174 mph
286 km/h
178 mph
Lightness
1,575 kg
3,472 lb
1,470 kg
3,241 lb
Fuel consumption
11.9 L/100 km
19.8 mpg US
23.7 mpg UK
9.2 L/100 km
25.6 mpg US
30.7 mpg UK
Practicality
Doors/seats
2 doors
4 seats
Trunk
105 L
3.7 cu ft
Length
4,427 mm
174.3 in
Height
1,300 mm
51.2 in
Doors/seats
2 doors
4 seats
Trunk
290 L
10.2 cu ft
Length
4,491 mm
176.8 in
Height
1,299 mm
51.1 in
Range score
563 km
350 mi
696 km
432 mi
CO2 score
286 g/km
216 g/km
Trunk score
105 L
3.7 cu ft
290 L
10.2 cu ft
Power-to-weight score
225 hp/t
168 kW/t
4.4 kg/hp
238 hp/t
178 kW/t
4.2 kg/hp
Overall
Fixed score
Fixed score

Fuel cost and annual usage

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

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
VehiclePorsche 911 Targa (997) Targa 4S 3.8Porsche 911 Cabriolet (991) Carrera 3.4
Consumption11.9 L/100 km19.8 mpg US23.7 mpg UK9.2 L/100 km25.6 mpg US30.7 mpg UK
Cost / 100 km20.83 LC100 km16.10 LC100 km
Cost / 100 mi33.51 LC100 mi25.91 LC100 mi
Annual fuel used1,785 L472 US gal393 UK gal1,380 L365 US gal304 UK gal
Annual fuel cost3,124 LC/year2,415 LC/year

Head-to-head comparisons

Porsche 911 Targa (997) Targa 4S 3.8

  • Has 5 hp more
  • Has 10 Nm more
  • Has 4 km/h (2 mph) higher top speed

Pros

  • Highest top speed
  • Most powerful
  • Highest torque

Cons

  • Slowest 0-100 km/h
  • Highest combined fuel consumption
  • Heaviest
  • Smallest trunk
  • Highest CO2 emissions

Porsche 911 Cabriolet (991) Carrera 3.4

  • Is 105 kg lighter
  • Is 0.4 s quicker from 0-100 km/h
  • Uses 2.7 L/100 km less fuel
  • Has 13 hp/t better power-to-weight
  • Has 133 km (82 mi) more estimated range
  • Has 185 L more trunk volume
  • Emits 70 g/km less CO2

Pros

  • Quickest 0-100 km/h in this comparison
  • Lightest
  • Lowest combined fuel consumption
  • Best power-to-weight ratio
  • Best estimated range
  • Largest trunk

Cons

  • Lowest power
  • Lowest top speed

Choose cars to compare

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Model
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Engine or modification
Porsche 911 Targa (997) Targa 4S 3.8
Porsche 911 Cabriolet (991) Carrera 3.4
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