Car comparison

Porsche 911 (991) Carrera 3.4vsPorsche 911 Targa (997) · Facelift 2008 Targa 4 3.6

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

Porsche 911 Targa (997) · Facelift 2008

Targa 4 3.6

345 hp3614 ccGasolineAWDDual-clutchNaturally aspirated2008-2013

Comparison overview

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

Porsche 911 (991) Carrera 3.4

Quickest 0-100 km/h
4.8 s
Fastest top speed
289 km/h
180 mph
Most powerful
350 hp
261 kW
Highest torque
390 Nm
288 lb-ft
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 overall score
66/100
Best performance score
74/100
Best economy score
83/100

Porsche 911 Targa (997) Facelift 2008 Targa 4 3.6

Best practicality score
56/100

Specification comparison

Specification comparison
Model	Porsche911 (991)Carrera 3.4	Porsche911 Targa (997)Facelift 2008Targa 4 3.6
Power	350hp261kW	345hp257kW
Torque	390Nm288lb-ft	390Nm288lb-ft
Curb weight	1,400kg3,086lb	1,560kg3,439lb
Gross weight	1,795kg3,957lb	1,940kg4,277lb
Top speed	289 km/h 180 mph	282 km/h 175 mph
To 99% top speed	65.7s99% target: 286 km/h / 178 mph Calculated	67.6s99% target: 279 km/h / 173 mph Calculated
0-100 km/h	4.8s	5.0s
0-200 km/h	14.7s Calculated	15.8s Calculated
0-60 mph	4.6s Calculated	4.8s Calculated
Fuel consumption	9L/100 km26.1mpg US31.4mpg UK	10.3L/100 km22.8mpg US27.4mpg UK
Fuel consumption city	12.4L/100 km19mpg US22.8mpg UK	15.5L/100 km15.2mpg US18.2mpg UK
Fuel consumption highway	7L/100 km33.6mpg US40.4mpg UK	7.4L/100 km31.8mpg US38.2mpg UK
Quarter mile	12.8s Calculated	13.0s Calculated
Power-to-weight	250hp/t186kW/t113hp/1000 lb Calculated	221hp/t165kW/t100hp/1000 lb Calculated
Torque-to-weight	279Nm/t186lb-ft/ton Calculated	250Nm/t167lb-ft/ton Calculated
Estimated range	711km442mi Calculated	650km404mi Calculated
Displacement	3,436cc210cu in	3,614cc221cu in
Length	4,491mm177in	4,435mm175in
Width	1,808mm71in	1,852mm73in
Height	1,303mm51in	1,310mm52in
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	242g/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) Facelift 2008 Targa 4 3.6PowerTorque

Dyno simulation data table
Vehicle	Peak power RPM	Peak torque RPM	Max engine speed
Porsche911 (991)Carrera 3.4	7,400 rpm	5,600 rpm	7,650 rpm
Porsche911 Targa (997)Facelift 2008Targa 4 3.6	6,500 rpm	4,400 rpm	6,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	Porsche911 (991)Carrera 3.4	Porsche911 Targa (997)Facelift 2008Targa 4 3.6
	Acceleration checkpoints
0-60 mph 0-97 km/h	4.6 s	4.8 s
0-100 km/h 0-62 mph	4.8 s	5.0 s
0-200 km/h 0-124 mph	14.7 s	15.8 s
Top speed	289 km/h 180 mph	282 km/h 175 mph
	Drag race simulation
60 ft 18 m	2.2 s	2.2 s
330 ft 101 m	5.7 s	5.8 s
1/8 mile 201 m	8.4 s	8.6 s
1000 ft 305 m	10.8 s	11.0 s
1/4 mile 402 m	12.8 s	13.0 s
Trap speed 1/4 mile 402 m	186 km/h 116 mph	182 km/h 113 mph

Power comparison

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

Chart data table
Vehicle	Value
Porsche911 (991)Carrera 3.4	350 hp 261 kW
Porsche911 Targa (997)Facelift 2008Targa 4 3.6	345 hp 257 kW

Porsche 911 (991) Carrera 3.4 has 5 hp more than Porsche 911 Targa (997) Facelift 2008 Targa 4 3.6.

The biggest power difference is between Porsche 911 Targa (997) Facelift 2008 Targa 4 3.6 and Porsche 911 (991) Carrera 3.4: 5 hp (4 kW).

Torque comparison

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

Chart data table
Vehicle	Value
Porsche911 (991)Carrera 3.4	390 Nm 288 lb-ft
Porsche911 Targa (997)Facelift 2008Targa 4 3.6	390 Nm 288 lb-ft

Curb weight comparison

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

Chart data table
Vehicle	Value
Porsche911 (991)Carrera 3.4	1,400 kg 3,086 lb
Porsche911 Targa (997)Facelift 2008Targa 4 3.6	1,560 kg 3,439 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
Porsche911 (991)Carrera 3.4	289 km/h 180 mph
Porsche911 Targa (997)Facelift 2008Targa 4 3.6	282 km/h 175 mph

0-100 km/h comparison

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

Chart data table
Vehicle	Value
Porsche911 (991)Carrera 3.4	4.8 s
Porsche911 Targa (997)Facelift 2008Targa 4 3.6	5.0 s

The biggest 0-100 km/h difference is between Porsche 911 (991) Carrera 3.4 and Porsche 911 Targa (997) Facelift 2008 Targa 4 3.6: 0.2 s.

Fuel consumption comparison

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

Chart data table
Vehicle	Value
Porsche911 (991)Carrera 3.4	9.0 L/100 km 26.1 mpg US 31.4 mpg UK
Porsche911 Targa (997)Facelift 2008Targa 4 3.6	10.3 L/100 km 22.8 mpg US 27.4 mpg UK

The biggest fuel consumption difference is between Porsche 911 (991) Carrera 3.4 and Porsche 911 Targa (997) Facelift 2008 Targa 4 3.6: 1.3 L/100 km.

Power-to-weight comparison

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

Chart data table
Vehicle	Value
Porsche911 (991)Carrera 3.4	250 hp/t 186 kW/t 4.0 kg/hp
Porsche911 Targa (997)Facelift 2008Targa 4 3.6	221 hp/t 165 kW/t 4.5 kg/hp

Estimated range comparison

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

Chart data table
Vehicle	Value
Porsche911 (991)Carrera 3.4	711 km 442 mi
Porsche911 Targa (997)Facelift 2008Targa 4 3.6	650 km 404 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
Vehicle	Power	Acceleration	Top speed
Porsche911 (991)Carrera 3.4	350 hp 261 kW	4.8 s	289 km/h 180 mph
Porsche911 Targa (997)Facelift 2008Targa 4 3.6	345 hp 257 kW	5.0 s	282 km/h 175 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

Porsche911 (991)Carrera 3.4

Power	350 hp 261 kW
0-100 km/h	4.8 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)Facelift 2008Targa 4 3.6

Power	345 hp 257 kW
0-100 km/h	5.0 s
Top speed 282 km/h 175 mph

Doors/seats	2 doors 4 seats
Trunk	105 L 3.7 cu ft
Length	4,435 mm 174.6 in
Height	1,310 mm 51.6 in

Performance vs fuel economy

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

Vehicle

Performance score

Fuel economy score

Porsche911 (991)Carrera 3.4

Power	350 hp 261 kW
0-100 km/h	4.8 s
Top speed 289 km/h 180 mph

9.0 L/100 km

26.1 mpg US

31.4 mpg UK

Porsche911 Targa (997)Facelift 2008Targa 4 3.6

Power	345 hp 257 kW
0-100 km/h	5.0 s
Top speed 282 km/h 175 mph

10.3 L/100 km

22.8 mpg US

27.4 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
Vehicle	Fuel consumption, L/100 km	0-100 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)Facelift 2008Targa 4 3.6	10.3 L/100 km 22.8 mpg US 27.4 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
Vehicle	Power-to-weight, hp/t	Fuel 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)Facelift 2008Targa 4 3.6	221 hp/t 165 kW/t 4.5 kg/hp	10.3 L/100 km 22.8 mpg US 27.4 mpg UK

Detailed score breakdown

Vehicle

Porsche911 (991)Carrera 3.4

Porsche911 Targa (997)Facelift 2008Targa 4 3.6

Power

350 hp

261 kW

345 hp

257 kW

Torque

390 Nm

288 lb-ft

390 Nm

288 lb-ft

Acceleration

4.8 s

5.0 s

Top speed

289 km/h

180 mph

282 km/h

175 mph

Lightness

1,400 kg

3,086 lb

1,560 kg

3,439 lb

Fuel consumption

9.0 L/100 km

26.1 mpg US

31.4 mpg UK

10.3 L/100 km

22.8 mpg US

27.4 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	4,435 mm 174.6 in
Height	1,310 mm 51.6 in

Range score

711 km

442 mi

650 km

404 mi

CO2 score

211 g/km

242 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

221 hp/t

165 kW/t

4.5 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 (991) Carrera 3.4	Porsche 911 Targa (997) Facelift 2008 Targa 4 3.6
Consumption	9 L/100 km26.1 mpg US31.4 mpg UK	10.3 L/100 km22.8 mpg US27.4 mpg UK
Cost / 100 km	15.75 LC100 km	18.03 LC100 km
Cost / 100 mi	25.35 LC100 mi	29.01 LC100 mi
Annual fuel used	1,350 L357 US gal297 UK gal	1,545 L408 US gal340 UK gal
Annual fuel cost	2,363 LC/year	2,704 LC/year