Car comparison

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

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

New comparison

Porsche 911 (991)

Carrera 3.4

350 hp3436 ccGasolineRWDManualNaturally aspiratedCoupe2011-2015
VS

Porsche 911 Targa (997)

Targa 4S 3.8

355 hp3824 ccGasolineAWDManualNaturally aspirated2006-2008

Comparison overview

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

Best choices

Porsche 911 (991) Carrera 3.4

  • Quickest 0-100 km/h
    4.8 s
  • Fastest top speed
    289 km/h
    180 mph
  • Lightest
    1,400 kg
    3,086 lb
  • Best power-to-weight
    250 hp/t
    186 kW/t
    4.0 kg/hp
  • Lowest combined fuel consumption
    9.0 L/100 km
    26.1 mpg US
    31.4 mpg UK
  • Lowest city consumption
    12.4 L/100 km
    19.0 mpg US
    22.8 mpg UK
  • Lowest highway consumption
    7.0 L/100 km
    33.6 mpg US
    40.4 mpg UK
  • Lowest CO2 emissions
    211 g/km
  • Best estimated range
    711 km
    442 mi
  • Largest trunk
    340 L
  • Best performance score
    74/100
  • Best economy score
    83/100

Specification comparison

Specification comparison
ModelPorsche911 (991)Carrera 3.4Porsche911 Targa (997)Targa 4S 3.8
Power
350hp261kW
355hp265kW
Torque
390Nm288lb-ft
400Nm295lb-ft
Curb weight
1,400kg3,086lb
1,535kg3,384lb
Gross weight
1,795kg3,957lb
1,915kg4,222lb
Top speed
289 km/h
180 mph
288 km/h
179 mph
To 99% top speed
65.7s99% target: 286 km/h / 178 mph
Calculated
65.9s99% target: 285 km/h / 177 mph
Calculated
0-100 km/h
4.8s
4.9s
0-200 km/h
14.7s
Calculated
15.0s
Calculated
0-60 mph
4.6s
Calculated
4.7s
Calculated
Fuel consumption
9L/100 km26.1mpg US31.4mpg UK
11.8L/100 km19.9mpg US23.9mpg UK
Fuel consumption city
12.4L/100 km19mpg US22.8mpg UK
17.5L/100 km13.4mpg US16.1mpg UK
Fuel consumption highway
7L/100 km33.6mpg US40.4mpg UK
8.5L/100 km27.7mpg US33.2mpg UK
Quarter mile
12.8s
Calculated
12.9s
Calculated
Power-to-weight
250hp/t186kW/t113hp/1000 lb
Calculated
231hp/t172kW/t105hp/1000 lb
Calculated
Torque-to-weight
279Nm/t186lb-ft/ton
Calculated
261Nm/t174lb-ft/ton
Calculated
Estimated range
711km442mi
Calculated
568km353mi
Calculated
Displacement
3,436cc210cu in
3,824cc233cu in
Length
4,491mm177in
4,427mm174in
Width
1,808mm71in
1,852mm73in
Height
1,303mm51in
1,300mm51in
Wheelbase
2,450mm96in
2,350mm93in
Front track
1,532mm60in
-
Rear track
1,518mm60in
-
Trunk volume
340L
-
Max trunk volume-
105L
Doors
2
2
Seats
4
4
Fuel tank
64L
67L
CO2 emissions
211g/km
285g/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 (991) Carrera 3.4Porsche 911 Targa (997) Targa 4S 3.8PowerTorque
  • Porsche 911 (991) Carrera 3.4: Power / Torque
  • Porsche 911 Targa (997) Targa 4S 3.8: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Porsche911 (991)Carrera 3.47,400 rpm5,600 rpm7,650 rpm
Porsche911 Targa (997)Targa 4S 3.86,600 rpm4,600 rpm6,850 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricPorsche911 (991)Carrera 3.4Porsche911 Targa (997)Targa 4S 3.8
Acceleration checkpoints
0-60 mph
0-97 km/h
4.6 s
4.7 s
0-100 km/h
0-62 mph
4.8 s
4.9 s
0-200 km/h
0-124 mph
14.7 s
15.0 s
Top speed
289 km/h
180 mph
288 km/h
179 mph
Drag race simulation
60 ft
18 m
2.2 s
2.2 s
330 ft
101 m
5.7 s
5.7 s
1/8 mile
201 m
8.4 s
8.5 s
1000 ft
305 m
10.8 s
10.9 s
1/4 mile
402 m
12.8 s
12.9 s
Trap speed
1/4 mile
402 m
186 km/h
116 mph
185 km/h
115 mph

Power comparison

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

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

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

The biggest power difference is between Porsche 911 (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 (991)Carrera 3.4
390 Nm
288 lb-ft
Porsche911 Targa (997)Targa 4S 3.8
400 Nm
295 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
Porsche911 (991)Carrera 3.4
1,400 kg
3,086 lb
Porsche911 Targa (997)Targa 4S 3.8
1,535 kg
3,384 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 (991)Carrera 3.4
289 km/h
180 mph
Porsche911 Targa (997)Targa 4S 3.8
288 km/h
179 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
Porsche911 (991)Carrera 3.44.8 s
Porsche911 Targa (997)Targa 4S 3.84.9 s

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

The biggest 0-100 km/h difference is between Porsche 911 (991) Carrera 3.4 and Porsche 911 Targa (997) Targa 4S 3.8: 0.1 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 (991)Carrera 3.4
9.0 L/100 km
26.1 mpg US
31.4 mpg UK
Porsche911 Targa (997)Targa 4S 3.8
11.8 L/100 km
19.9 mpg US
23.9 mpg UK

The biggest fuel consumption difference is between Porsche 911 (991) Carrera 3.4 and Porsche 911 Targa (997) Targa 4S 3.8: 2.8 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 (991)Carrera 3.4
250 hp/t
186 kW/t
4.0 kg/hp
Porsche911 Targa (997)Targa 4S 3.8
231 hp/t
172 kW/t
4.3 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
Porsche911 (991)Carrera 3.4
711 km
442 mi
Porsche911 Targa (997)Targa 4S 3.8
568 km
353 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Porsche911 (991)Carrera 3.4
350 hp
261 kW
4.8 s
289 km/h
180 mph
Porsche911 Targa (997)Targa 4S 3.8
355 hp
265 kW
4.9 s
288 km/h
179 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 (991)Carrera 3.4
Power
350 hp
261 kW
0-100 km/h4.8 s
Top speed
289 km/h
180 mph
Doors/seats
2 doors
4 seats
Trunk
340 L
12.0 cu ft
Length
4,491 mm
176.8 in
Height
1,303 mm
51.3 in
Porsche911 Targa (997)Targa 4S 3.8
Power
355 hp
265 kW
0-100 km/h4.9 s
Top speed
288 km/h
179 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

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 (991)Carrera 3.4
Power
350 hp
261 kW
0-100 km/h4.8 s
Top speed
289 km/h
180 mph
9.0 L/100 km
26.1 mpg US
31.4 mpg UK
Porsche911 Targa (997)Targa 4S 3.8
Power
355 hp
265 kW
0-100 km/h4.9 s
Top speed
288 km/h
179 mph
11.8 L/100 km
19.9 mpg US
23.9 mpg UK

Porsche 911 (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 (991)Carrera 3.4
9.0 L/100 km
26.1 mpg US
31.4 mpg UK
4.8 s
Porsche911 Targa (997)Targa 4S 3.8
11.8 L/100 km
19.9 mpg US
23.9 mpg UK
4.9 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 (991)Carrera 3.4
250 hp/t
186 kW/t
4.0 kg/hp
9.0 L/100 km
26.1 mpg US
31.4 mpg UK
Porsche911 Targa (997)Targa 4S 3.8
231 hp/t
172 kW/t
4.3 kg/hp
11.8 L/100 km
19.9 mpg US
23.9 mpg UK

Detailed score breakdown

Detailed score breakdown
VehiclePorsche911 (991)Carrera 3.4Porsche911 Targa (997)Targa 4S 3.8
Power
350 hp
261 kW
355 hp
265 kW
Torque
390 Nm
288 lb-ft
400 Nm
295 lb-ft
Acceleration
4.8 s
4.9 s
Top speed
289 km/h
180 mph
288 km/h
179 mph
Lightness
1,400 kg
3,086 lb
1,535 kg
3,384 lb
Fuel consumption
9.0 L/100 km
26.1 mpg US
31.4 mpg UK
11.8 L/100 km
19.9 mpg US
23.9 mpg UK
Practicality
Doors/seats
2 doors
4 seats
Trunk
340 L
12.0 cu ft
Length
4,491 mm
176.8 in
Height
1,303 mm
51.3 in
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
Range score
711 km
442 mi
568 km
353 mi
CO2 score
211 g/km
285 g/km
Trunk score
340 L
12.0 cu ft
105 L
3.7 cu ft
Power-to-weight score
250 hp/t
186 kW/t
4.0 kg/hp
231 hp/t
172 kW/t
4.3 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 (991) Carrera 3.4Porsche 911 Targa (997) Targa 4S 3.8
Consumption9 L/100 km26.1 mpg US31.4 mpg UK11.8 L/100 km19.9 mpg US23.9 mpg UK
Cost / 100 km15.75 LC100 km20.65 LC100 km
Cost / 100 mi25.35 LC100 mi33.23 LC100 mi
Annual fuel used1,350 L357 US gal297 UK gal1,770 L468 US gal389 UK gal
Annual fuel cost2,363 LC/year3,098 LC/year

Head-to-head comparisons

Porsche 911 (991) Carrera 3.4

  • Is 135 kg lighter
  • Is 0.1 s quicker from 0-100 km/h
  • Has 1 km/h (1 mph) higher top speed
  • Uses 2.8 L/100 km less fuel
  • Has 19 hp/t better power-to-weight
  • Has 143 km (89 mi) more estimated range
  • Has 235 L more trunk volume
  • Emits 74 g/km less CO2

Pros

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

Cons

  • Lowest power

Porsche 911 Targa (997) Targa 4S 3.8

  • Has 5 hp more
  • Has 10 Nm more

Pros

  • Most powerful
  • Highest torque

Cons

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

Choose cars to compare

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