Car comparison

BMW Z4 Coupe (E86) 3.0 sivsPorsche Cayman (987C) 2.7

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

New comparison

BMW Z4 Coupe (E86)

3.0 si

265 hp2996 ccGasolineRWDManualNaturally aspiratedCoupe2006-2008
VS

Porsche Cayman (987C)

2.7

245 hp2687 ccGasolineRWDManualNaturally aspiratedCoupe2006-2009

Comparison overview

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

Best choices

BMW Z4 Coupe (E86) 3.0 si

  • Quickest 0-100 km/h
    5.7 s
  • Fastest top speed
    265 km/h
    165 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    265 hp
    198 kW
  • Highest torque
    315 Nm
    232 lb-ft
  • Best power-to-weight
    200 hp/t
    149 kW/t
    5.0 kg/hp
  • 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 overall score
    55/100
  • Best performance score
    63/100
  • Best practicality score
    37/100

Specification comparison

Specification comparison
ModelBMWZ4 Coupe (E86)3.0 siPorscheCayman (987C)2.7
Power
265hp198kW
245hp183kW
Torque
315Nm232lb-ft
273Nm201lb-ft
Curb weight
1,325kg2,921lb
1,300kg2,866lb
Gross weight
1,650kg3,638lb
1,620kg3,571lb
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
258 km/h
160 mph
To 99% top speed
74.0s99% target: 262 km/h / 163 mph
Calculated
93.6s99% target: 255 km/h / 159 mph
Calculated
0-100 km/h
5.7s
6.1s
0-200 km/h
19.4s
Calculated
23.7s
0-60 mph
5.4s
Calculated
5.8s
Calculated
Fuel consumption-
9.3L/100 km25.3mpg US30.4mpg UK
Fuel consumption city
13L/100 km18.1mpg US21.7mpg UK
13.8L/100 km17mpg US20.5mpg UK
Fuel consumption highway
6.5L/100 km36.2mpg US43.5mpg UK
6.8L/100 km34.6mpg US41.5mpg UK
Quarter mile
13.8s
Calculated
14.2s
Calculated
Power-to-weight
200hp/t149kW/t91hp/1000 lb
Calculated
188hp/t141kW/t85hp/1000 lb
Calculated
Torque-to-weight
238Nm/t159lb-ft/ton
Calculated
210Nm/t141lb-ft/ton
Calculated
Estimated range-
688km428mi
Calculated
Displacement
2,996cc183cu in
2,687cc164cu in
Length
4,091mm161in
4,341mm171in
Width
1,781mm70in
1,801mm71in
Height
1,268mm50in
1,305mm51in
Wheelbase
2,495mm98in
2,415mm95in
Front track
1,473mm58in
1,490mm59in
Rear track
1,523mm60in
1,534mm60in
Ground clearance-
121mm5in
Trunk volume
285L
260L
Max trunk volume
340L
-
Doors
2
2
Seats
2
2
Fuel tank
55L
64L
CO2 emissions-
222g/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.

BMW Z4 Coupe (E86) 3.0 siPorsche Cayman (987C) 2.7PowerTorque
  • BMW Z4 Coupe (E86) 3.0 si: Power / Torque
  • Porsche Cayman (987C) 2.7: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMWZ4 Coupe (E86)3.0 si6,600 rpm2,750 rpm6,850 rpm
PorscheCayman (987C)2.76,500 rpm4,600-6,000 rpm7,300 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMWZ4 Coupe (E86)3.0 siPorscheCayman (987C)2.7
Acceleration checkpoints
0-60 mph
0-97 km/h
5.4 s
5.8 s
0-100 km/h
0-62 mph
5.7 s
6.1 s
0-200 km/h
0-124 mph
19.4 s
23.7 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Likely limited
258 km/h
160 mph
Drag race simulation
60 ft
18 m
2.3 s
2.3 s
330 ft
101 m
6.1 s
6.1 s
1/8 mile
201 m
9.1 s
9.3 s
1000 ft
305 m
11.6 s
12.0 s
1/4 mile
402 m
13.8 s
14.2 s
Trap speed
1/4 mile
402 m
171 km/h
106 mph
161 km/h
100 mph

Power comparison

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

Chart data table
VehicleValue
BMWZ4 Coupe (E86)3.0 si
265 hp
198 kW
PorscheCayman (987C)2.7
245 hp
183 kW

BMW Z4 Coupe (E86) 3.0 si has 20 hp more than Porsche Cayman (987C) 2.7.

The biggest power difference is between Porsche Cayman (987C) 2.7 and BMW Z4 Coupe (E86) 3.0 si: 20 hp (15 kW).

Torque comparison

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

Chart data table
VehicleValue
BMWZ4 Coupe (E86)3.0 si
315 Nm
232 lb-ft
PorscheCayman (987C)2.7
273 Nm
201 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
BMWZ4 Coupe (E86)3.0 si
1,325 kg
2,921 lb
PorscheCayman (987C)2.7
1,300 kg
2,866 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
BMWZ4 Coupe (E86)3.0 si
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
PorscheCayman (987C)2.7
258 km/h
160 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
BMWZ4 Coupe (E86)3.0 si5.7 s
PorscheCayman (987C)2.76.1 s

The biggest 0-100 km/h difference is between BMW Z4 Coupe (E86) 3.0 si and Porsche Cayman (987C) 2.7: 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
BMWZ4 Coupe (E86)3.0 si
200 hp/t
149 kW/t
5.0 kg/hp
PorscheCayman (987C)2.7
188 hp/t
141 kW/t
5.3 kg/hp

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMWZ4 Coupe (E86)3.0 si
265 hp
198 kW
5.7 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
PorscheCayman (987C)2.7
245 hp
183 kW
6.1 s
258 km/h
160 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
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
PorscheCayman (987C)2.7
Power
245 hp
183 kW
0-100 km/h6.1 s
Top speed
258 km/h
160 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

Detailed score breakdown

Detailed score breakdown
VehicleBMWZ4 Coupe (E86)3.0 siPorscheCayman (987C)2.7
Power
265 hp
198 kW
245 hp
183 kW
Torque
315 Nm
232 lb-ft
273 Nm
201 lb-ft
Acceleration
5.7 s
6.1 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
258 km/h
160 mph
Lightness
1,325 kg
2,921 lb
1,300 kg
2,866 lb
Fuel consumption
-
9.3 L/100 km
25.3 mpg US
30.4 mpg UK
Practicality
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
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
Range score
-
688 km
428 mi
CO2 score
-
222 g/km
Trunk score
285 L
10.1 cu ft
260 L
9.2 cu ft
Power-to-weight score
200 hp/t
149 kW/t
5.0 kg/hp
188 hp/t
141 kW/t
5.3 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 Cayman (987C) 2.7
Consumption9.3 L/100 km25.3 mpg US30.4 mpg UK
Cost / 100 km16.28 LC100 km
Cost / 100 mi26.19 LC100 mi
Annual fuel used1,395 L369 US gal307 UK gal
Annual fuel cost2,441 LC/year

Head-to-head comparisons

BMW Z4 Coupe (E86) 3.0 si

  • Has 20 hp more
  • Has 42 Nm more
  • Is 0.4 s quicker from 0-100 km/h
  • Has 7 km/h (4 mph) higher top speed
  • Has 12 hp/t better power-to-weight
  • Has 25 L more trunk volume

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Most powerful
  • Highest torque
  • Best power-to-weight ratio
  • Largest trunk

Cons

  • Heaviest

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW Z4 Coupe (E86) 3.0 si
Porsche Cayman (987C) 2.7
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