Car comparison

Porsche Cayman (987C) S 3.4vsBMW Z4 Coupe (E86) 3.0 si

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

New comparison

Porsche Cayman (987C)

S 3.4

295 hp3386 ccGasolineRWDAutomaticNaturally aspiratedCoupe2005-2009
VS

BMW Z4 Coupe (E86)

3.0 si

265 hp2996 ccGasolineRWDManualNaturally aspiratedCoupe2006-2008

Comparison overview

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

Best choices

Porsche Cayman (987C) S 3.4

  • Fastest top speed
    267 km/h
    166 mph
  • Most powerful
    295 hp
    220 kW
  • Highest torque
    340 Nm
    251 lb-ft
  • Best power-to-weight
    212 hp/t
    158 kW/t
    4.7 kg/hp
  • Best overall score
    55/100
  • Best performance score
    64/100
  • Best economy score
    77/100

BMW Z4 Coupe (E86) 3.0 si

  • Quickest 0-100 km/h
    5.7 s
  • Lightest
    1,325 kg
    2,921 lb
  • Lowest city consumption
    13.0 L/100 km
    18.1 mpg US
    21.7 mpg UK
  • Lowest highway consumption
    6.5 L/100 km
    36.2 mpg US
    43.5 mpg UK
  • Largest trunk
    285 L
  • Best practicality score
    37/100

Specification comparison

Specification comparison
ModelPorscheCayman (987C)S 3.4BMWZ4 Coupe (E86)3.0 si
Power
295hp220kW
265hp198kW
Torque
340Nm251lb-ft
315Nm232lb-ft
Curb weight
1,390kg3,064lb
1,325kg2,921lb
Gross weight
1,670kg3,682lb
1,650kg3,638lb
Top speed
267 km/h
166 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
88.3s99% target: 264 km/h / 164 mph
Calculated
74.0s99% target: 262 km/h / 163 mph
Calculated
0-100 km/h
6.1s
5.7s
0-200 km/h
21.6s
19.4s
Calculated
0-60 mph
5.8s
Calculated
5.4s
Calculated
Fuel consumption
11L/100 km21.4mpg US25.7mpg UK
-
Fuel consumption city
16.3L/100 km14.4mpg US17.3mpg UK
13L/100 km18.1mpg US21.7mpg UK
Fuel consumption highway
7.9L/100 km29.8mpg US35.8mpg UK
6.5L/100 km36.2mpg US43.5mpg UK
Quarter mile
14.2s
Calculated
13.8s
Calculated
Power-to-weight
212hp/t158kW/t96hp/1000 lb
Calculated
200hp/t149kW/t91hp/1000 lb
Calculated
Torque-to-weight
245Nm/t164lb-ft/ton
Calculated
238Nm/t159lb-ft/ton
Calculated
Estimated range
582km362mi
Calculated
-
Displacement
3,386cc207cu in
2,996cc183cu in
Length
4,341mm171in
4,091mm161in
Width
1,801mm71in
1,781mm70in
Height
1,305mm51in
1,268mm50in
Wheelbase
2,415mm95in
2,495mm98in
Front track
1,486mm59in
1,473mm58in
Rear track
1,528mm60in
1,523mm60in
Ground clearance
121mm5in
-
Trunk volume
260L
285L
Max trunk volume-
340L
Doors
2
2
Seats
2
2
Fuel tank
64L
55L
CO2 emissions
262g/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 Cayman (987C) S 3.4BMW Z4 Coupe (E86) 3.0 siPowerTorque
  • Porsche Cayman (987C) S 3.4: Power / Torque
  • BMW Z4 Coupe (E86) 3.0 si: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
PorscheCayman (987C)S 3.46,250 rpm4,400-6,000 rpm7,300 rpm
BMWZ4 Coupe (E86)3.0 si6,600 rpm2,750 rpm6,850 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricPorscheCayman (987C)S 3.4BMWZ4 Coupe (E86)3.0 si
Acceleration checkpoints
0-60 mph
0-97 km/h
5.8 s
5.4 s
0-100 km/h
0-62 mph
6.1 s
5.7 s
0-200 km/h
0-124 mph
21.6 s
19.4 s
Top speed
267 km/h
166 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Likely limited
Drag race simulation
60 ft
18 m
2.4 s
2.3 s
330 ft
101 m
6.2 s
6.1 s
1/8 mile
201 m
9.3 s
9.1 s
1000 ft
305 m
11.9 s
11.6 s
1/4 mile
402 m
14.2 s
13.8 s
Trap speed
1/4 mile
402 m
165 km/h
103 mph
171 km/h
106 mph

Power comparison

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

Chart data table
VehicleValue
PorscheCayman (987C)S 3.4
295 hp
220 kW
BMWZ4 Coupe (E86)3.0 si
265 hp
198 kW

Porsche Cayman (987C) S 3.4 has 30 hp more than BMW Z4 Coupe (E86) 3.0 si.

The biggest power difference is between BMW Z4 Coupe (E86) 3.0 si and Porsche Cayman (987C) S 3.4: 30 hp (22 kW).

Torque comparison

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

Chart data table
VehicleValue
PorscheCayman (987C)S 3.4
340 Nm
251 lb-ft
BMWZ4 Coupe (E86)3.0 si
315 Nm
232 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
PorscheCayman (987C)S 3.4
1,390 kg
3,064 lb
BMWZ4 Coupe (E86)3.0 si
1,325 kg
2,921 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
PorscheCayman (987C)S 3.4
267 km/h
166 mph
BMWZ4 Coupe (E86)3.0 si
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
PorscheCayman (987C)S 3.46.1 s
BMWZ4 Coupe (E86)3.0 si5.7 s

Although Porsche Cayman (987C) S 3.4 has more power, BMW Z4 Coupe (E86) 3.0 si is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between BMW Z4 Coupe (E86) 3.0 si and Porsche Cayman (987C) S 3.4: 0.4 s.

Power-to-weight comparison

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

Chart data table
VehicleValue
PorscheCayman (987C)S 3.4
212 hp/t
158 kW/t
4.7 kg/hp
BMWZ4 Coupe (E86)3.0 si
200 hp/t
149 kW/t
5.0 kg/hp

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
PorscheCayman (987C)S 3.4
295 hp
220 kW
6.1 s
267 km/h
166 mph
BMWZ4 Coupe (E86)3.0 si
265 hp
198 kW
5.7 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 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
PorscheCayman (987C)S 3.4
Power
295 hp
220 kW
0-100 km/h6.1 s
Top speed
267 km/h
166 mph
Doors/seats
2 doors
2 seats
Trunk
260 L
9.2 cu ft
Length
4,341 mm
170.9 in
Height
1,305 mm
51.4 in
BMWZ4 Coupe (E86)3.0 si
Power
265 hp
198 kW
0-100 km/h5.7 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
2 doors
2 seats
Trunk
285 L
10.1 cu ft
Length
4,091 mm
161.1 in
Height
1,268 mm
49.9 in

Detailed score breakdown

Detailed score breakdown
VehiclePorscheCayman (987C)S 3.4BMWZ4 Coupe (E86)3.0 si
Power
295 hp
220 kW
265 hp
198 kW
Torque
340 Nm
251 lb-ft
315 Nm
232 lb-ft
Acceleration
6.1 s
5.7 s
Top speed
267 km/h
166 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Lightness
1,390 kg
3,064 lb
1,325 kg
2,921 lb
Fuel consumption
11.0 L/100 km
21.4 mpg US
25.7 mpg UK
-
Practicality
Doors/seats
2 doors
2 seats
Trunk
260 L
9.2 cu ft
Length
4,341 mm
170.9 in
Height
1,305 mm
51.4 in
Doors/seats
2 doors
2 seats
Trunk
285 L
10.1 cu ft
Length
4,091 mm
161.1 in
Height
1,268 mm
49.9 in
Range score
582 km
362 mi
-
CO2 score
262 g/km
-
Trunk score
260 L
9.2 cu ft
285 L
10.1 cu ft
Power-to-weight score
212 hp/t
158 kW/t
4.7 kg/hp
200 hp/t
149 kW/t
5.0 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 Cayman (987C) S 3.4
Consumption11 L/100 km21.4 mpg US25.7 mpg UK
Cost / 100 km19.25 LC100 km
Cost / 100 mi30.98 LC100 mi
Annual fuel used1,650 L436 US gal363 UK gal
Annual fuel cost2,888 LC/year

Head-to-head comparisons

Porsche Cayman (987C) S 3.4

  • Has 30 hp more
  • Has 25 Nm more
  • Has 2 km/h (1 mph) higher top speed
  • Has 12 hp/t better power-to-weight

Pros

  • Highest top speed
  • Most powerful
  • Highest torque
  • Best power-to-weight ratio

Cons

  • Slowest 0-100 km/h
  • Heaviest
  • Smallest trunk

BMW Z4 Coupe (E86) 3.0 si

  • Is 65 kg lighter
  • Is 0.4 s quicker from 0-100 km/h
  • Has 25 L more trunk volume

Pros

  • Quickest 0-100 km/h in this comparison
  • Lightest
  • Largest trunk

Cons

  • Lowest power
  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
Porsche Cayman (987C) S 3.4
BMW Z4 Coupe (E86) 3.0 si
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