Car comparison

Porsche 911 (991 II) Turbo S 3.8vsPorsche 911 (997) Turbo 3.6

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

New comparison

Porsche 911 (991 II)

Turbo S 3.8

580 hp3800 ccGasolineAWDDual-clutchTwin-turboCoupe2015-2018
VS

Porsche 911 (997)

Turbo 3.6

480 hp3600 ccGasolineAWDAutomaticTurbochargedCoupe2006-2009

Comparison overview

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

Best choices

Porsche 911 (991 II) Turbo S 3.8

  • Quickest 0-100 km/h
    2.9 s
  • Fastest top speed
    330 km/h
    205 mph
  • Most powerful
    580 hp
    433 kW
  • Highest torque
    750 Nm
    553 lb-ft
  • Lightest
    1,600 kg
    3,527 lb
  • Best power-to-weight
    363 hp/t
    270 kW/t
    2.8 kg/hp
  • Lowest combined fuel consumption
    9.1 L/100 km
    25.8 mpg US
    31.0 mpg UK
  • Lowest city consumption
    11.8 L/100 km
    19.9 mpg US
    23.9 mpg UK
  • Lowest highway consumption
    7.5 L/100 km
    31.4 mpg US
    37.7 mpg UK
  • Lowest CO2 emissions
    212 g/km
  • Best estimated range
    747 km
    464 mi
  • Largest trunk
    115 L
  • Best overall score
    77/100
  • Best performance score
    95/100
  • Best economy score
    82/100

Specification comparison

Specification comparison
ModelPorsche911 (991 II)Turbo S 3.8Porsche911 (997)Turbo 3.6
Power
580hp433kW
480hp358kW
Torque
750Nm553lb-ft
620Nm457lb-ft
Curb weight
1,600kg3,527lb
1,620kg3,571lb
Gross weight
1,990kg4,387lb
1,680kg3,704lb
Top speed
330 km/h
205 mph
Unrestricted
320 km/h199 mph
Restricted
310 km/h193 mph
Calculated
To 99% top speed
42.8s99% target: 327 km/h / 203 mph
Calculated
57.5s99% target: 317 km/h / 197 mph
Calculated
0-100 km/h
2.9s
3.7s
0-200 km/h
7.9s
Calculated
10.6s
Calculated
0-60 mph
2.8s
Calculated
3.5s
Calculated
Fuel consumption
9.1L/100 km25.8mpg US31.0mpg UK
13.6L/100 km17.3mpg US20.8mpg UK
Fuel consumption city
11.8L/100 km19.9mpg US23.9mpg UK
19.8L/100 km11.9mpg US14.3mpg UK
Fuel consumption highway
7.5L/100 km31.4mpg US37.7mpg UK
9.6L/100 km24.5mpg US29.4mpg UK
Quarter mile
10.3s
Calculated
11.4s
Calculated
Power-to-weight
363hp/t270kW/t164hp/1000 lb
Calculated
296hp/t221kW/t134hp/1000 lb
Calculated
Torque-to-weight
469Nm/t314lb-ft/ton
Calculated
383Nm/t256lb-ft/ton
Calculated
Estimated range
747km464mi
Calculated
493km306mi
Calculated
Displacement
3,800cc232cu in
3,600cc220cu in
Length
4,507mm177in
4,450mm175in
Width
1,880mm74in
1,852mm73in
Height
1,297mm51in
1,300mm51in
Wheelbase
2,450mm96in
2,350mm93in
Front track
1,541mm61in
-
Rear track
1,590mm63in
-
Trunk volume
115L
-
Max trunk volume
260L
105L
Doors
2
2
Seats
4
4
Fuel tank
68L
67L
CO2 emissions
212g/km
326g/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 II) Turbo S 3.8Porsche 911 (997) Turbo 3.6PowerTorque
  • Porsche 911 (991 II) Turbo S 3.8: Power / Torque
  • Porsche 911 (997) Turbo 3.6: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Porsche911 (991 II)Turbo S 3.86,750 rpm2,250-4,000 rpm7,000 rpm
Porsche911 (997)Turbo 3.66,000 rpm1,950 rpm6,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricPorsche911 (991 II)Turbo S 3.8Porsche911 (997)Turbo 3.6
Acceleration checkpoints
0-60 mph
0-97 km/h
2.8 s
3.5 s
0-100 km/h
0-62 mph
2.9 s
3.7 s
0-200 km/h
0-124 mph
7.9 s
10.6 s
0-200 mph
0-322 km/h
34.0 s
-
Top speed
330 km/h
205 mph
Unrestricted
320 km/h199 mph
Restricted
310 km/h193 mph
Likely limited
Drag race simulation
60 ft
18 m
1.8 s
2.0 s
330 ft
101 m
4.6 s
5.1 s
1/8 mile
201 m
6.8 s
7.6 s
1000 ft
305 m
8.7 s
9.7 s
1/4 mile
402 m
10.3 s
11.4 s
Trap speed
1/4 mile
402 m
230 km/h
143 mph
208 km/h
129 mph

Power comparison

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

Chart data table
VehicleValue
Porsche911 (991 II)Turbo S 3.8
580 hp
433 kW
Porsche911 (997)Turbo 3.6
480 hp
358 kW

Porsche 911 (991 II) Turbo S 3.8 has 100 hp more than Porsche 911 (997) Turbo 3.6.

The biggest power difference is between Porsche 911 (997) Turbo 3.6 and Porsche 911 (991 II) Turbo S 3.8: 100 hp (75 kW).

Torque comparison

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

Chart data table
VehicleValue
Porsche911 (991 II)Turbo S 3.8
750 Nm
553 lb-ft
Porsche911 (997)Turbo 3.6
620 Nm
457 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
Porsche911 (991 II)Turbo S 3.8
1,600 kg
3,527 lb
Porsche911 (997)Turbo 3.6
1,620 kg
3,571 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 II)Turbo S 3.8
330 km/h
205 mph
Porsche911 (997)Turbo 3.6
Unrestricted
320 km/h199 mph
Restricted
310 km/h193 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
Porsche911 (991 II)Turbo S 3.82.9 s
Porsche911 (997)Turbo 3.63.7 s

The biggest 0-100 km/h difference is between Porsche 911 (991 II) Turbo S 3.8 and Porsche 911 (997) Turbo 3.6: 0.8 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 II)Turbo S 3.8
9.1 L/100 km
25.8 mpg US
31.0 mpg UK
Porsche911 (997)Turbo 3.6
13.6 L/100 km
17.3 mpg US
20.8 mpg UK

The biggest fuel consumption difference is between Porsche 911 (991 II) Turbo S 3.8 and Porsche 911 (997) Turbo 3.6: 4.5 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 II)Turbo S 3.8
363 hp/t
270 kW/t
2.8 kg/hp
Porsche911 (997)Turbo 3.6
296 hp/t
221 kW/t
3.4 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
Porsche911 (991 II)Turbo S 3.8
747 km
464 mi
Porsche911 (997)Turbo 3.6
493 km
306 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Porsche911 (991 II)Turbo S 3.8
580 hp
433 kW
2.9 s
330 km/h
205 mph
Porsche911 (997)Turbo 3.6
480 hp
358 kW
3.7 s
Unrestricted
320 km/h199 mph
Restricted
310 km/h193 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 II)Turbo S 3.8
Power
580 hp
433 kW
0-100 km/h2.9 s
Top speed
330 km/h
205 mph
Doors/seats
2 doors
4 seats
Trunk
115 L
4.1 cu ft
Length
4,507 mm
177.4 in
Height
1,297 mm
51.1 in
Porsche911 (997)Turbo 3.6
Power
480 hp
358 kW
0-100 km/h3.7 s
Top speed
Unrestricted
320 km/h199 mph
Restricted
310 km/h193 mph
Doors/seats
2 doors
4 seats
Trunk
105 L
3.7 cu ft
Length
4,450 mm
175.2 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 II)Turbo S 3.8
Power
580 hp
433 kW
0-100 km/h2.9 s
Top speed
330 km/h
205 mph
9.1 L/100 km
25.8 mpg US
31.0 mpg UK
Porsche911 (997)Turbo 3.6
Power
480 hp
358 kW
0-100 km/h3.7 s
Top speed
Unrestricted
320 km/h199 mph
Restricted
310 km/h193 mph
13.6 L/100 km
17.3 mpg US
20.8 mpg UK

Porsche 911 (991 II) Turbo S 3.8 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 II)Turbo S 3.8
9.1 L/100 km
25.8 mpg US
31.0 mpg UK
2.9 s
Porsche911 (997)Turbo 3.6
13.6 L/100 km
17.3 mpg US
20.8 mpg UK
3.7 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 II)Turbo S 3.8
363 hp/t
270 kW/t
2.8 kg/hp
9.1 L/100 km
25.8 mpg US
31.0 mpg UK
Porsche911 (997)Turbo 3.6
296 hp/t
221 kW/t
3.4 kg/hp
13.6 L/100 km
17.3 mpg US
20.8 mpg UK

Detailed score breakdown

Detailed score breakdown
VehiclePorsche911 (991 II)Turbo S 3.8Porsche911 (997)Turbo 3.6
Power
580 hp
433 kW
480 hp
358 kW
Torque
750 Nm
553 lb-ft
620 Nm
457 lb-ft
Acceleration
2.9 s
3.7 s
Top speed
330 km/h
205 mph
Unrestricted
320 km/h199 mph
Restricted
310 km/h193 mph
Lightness
1,600 kg
3,527 lb
1,620 kg
3,571 lb
Fuel consumption
9.1 L/100 km
25.8 mpg US
31.0 mpg UK
13.6 L/100 km
17.3 mpg US
20.8 mpg UK
Practicality
Doors/seats
2 doors
4 seats
Trunk
115 L
4.1 cu ft
Length
4,507 mm
177.4 in
Height
1,297 mm
51.1 in
Doors/seats
2 doors
4 seats
Trunk
105 L
3.7 cu ft
Length
4,450 mm
175.2 in
Height
1,300 mm
51.2 in
Range score
747 km
464 mi
493 km
306 mi
CO2 score
212 g/km
326 g/km
Trunk score
115 L
4.1 cu ft
105 L
3.7 cu ft
Power-to-weight score
363 hp/t
270 kW/t
2.8 kg/hp
296 hp/t
221 kW/t
3.4 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 II) Turbo S 3.8Porsche 911 (997) Turbo 3.6
Consumption9.1 L/100 km25.8 mpg US31 mpg UK13.6 L/100 km17.3 mpg US20.8 mpg UK
Cost / 100 km15.92 LC100 km23.80 LC100 km
Cost / 100 mi25.63 LC100 mi38.30 LC100 mi
Annual fuel used1,365 L361 US gal300 UK gal2,040 L539 US gal449 UK gal
Annual fuel cost2,389 LC/year3,570 LC/year

Head-to-head comparisons

Porsche 911 (991 II) Turbo S 3.8

  • Has 100 hp more
  • Has 130 Nm more
  • Is 20 kg lighter
  • Is 0.8 s quicker from 0-100 km/h
  • Has 10 km/h (6 mph) higher top speed
  • Uses 4.5 L/100 km less fuel
  • Has 66 hp/t better power-to-weight
  • Has 255 km (158 mi) more estimated range
  • Has 10 L more trunk volume
  • Emits 114 g/km less CO2

Pros

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

Porsche 911 (997) Turbo 3.6

No measurable advantages in the available data.

Cons

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

Choose cars to compare

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Model
Generation
Engine or modification
Porsche 911 (991 II) Turbo S 3.8
Porsche 911 (997) Turbo 3.6
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