Car comparison

Porsche 911 Cabriolet (997) Turbo 3.6vsMercedes-Benz CLK (A209) · Facelift 2005 AMG CLK DTM 5.5 V8

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

New comparison

Porsche 911 Cabriolet (997)

Turbo 3.6

480 hp3600 ccGasolineAWDManualTurbochargedCabriolet / convertible2007-2008
VS

Mercedes-Benz CLK (A209) · Facelift 2005

AMG CLK DTM 5.5 V8

582 hp5439 ccGasolineRWDAutomaticSuperchargedCabriolet / convertible2006-2006

Comparison overview

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

Best choices

Mercedes-Benz CLK (A209) Facelift 2005 AMG CLK DTM 5.5 V8

  • Most powerful
    582 hp
    434 kW
  • Highest torque
    800 Nm
    590 lb-ft
  • Best power-to-weight
    330 hp/t
    246 kW/t
    3.0 kg/hp
  • Lowest city consumption
    19.1 L/100 km
    12.3 mpg US
    14.8 mpg UK
  • Best estimated range
    672 km
    417 mi
  • Best overall score
    77/100
  • Best performance score
    91/100
  • Best practicality score
    48/100

Porsche 911 Cabriolet (997) Turbo 3.6

  • Quickest 0-100 km/h
    4.0 s
  • Fastest top speed
    320 km/h
    199 mph Unrestricted
    310 km/h
    193 mph Restricted
  • Lightest
    1,655 kg
    3,649 lb
  • Lowest combined fuel consumption
    12.9 L/100 km
    18.2 mpg US
    21.9 mpg UK
  • Lowest highway consumption
    9.5 L/100 km
    24.8 mpg US
    29.7 mpg UK
  • Best economy score
    72/100

Specification comparison

Specification comparison
ModelPorsche911 Cabriolet (997)Turbo 3.6Mercedes-BenzCLK (A209)Facelift 2005AMG CLK DTM 5.5 V8
Power
480hp358kW
582hp434kW
Torque
620Nm457lb-ft
800Nm590lb-ft
Curb weight
1,655kg3,649lb
1,765kg3,891lb
Gross weight
2,000kg4,409lb
2,210kg4,872lb
Top speed
Unrestricted
320 km/h199 mph
Restricted
310 km/h193 mph
Calculated
Unrestricted
310 km/h193 mph
Restricted
300 km/h186 mph
Calculated
To 99% top speed
61.0s99% target: 317 km/h / 197 mph
Calculated
51.4s99% target: 307 km/h / 191 mph
Calculated
0-100 km/h
4.0s
4.0s
0-200 km/h
11.4s
Calculated
11.0s
0-60 mph
3.8s
Calculated
3.8s
Calculated
Fuel consumption
12.9L/100 km18.2mpg US21.9mpg UK
13.7L/100 km17.2mpg US20.6mpg UK
Fuel consumption city
19.2L/100 km12.3mpg US14.7mpg UK
19.1L/100 km12.3mpg US14.8mpg UK
Fuel consumption highway
9.5L/100 km24.8mpg US29.7mpg UK
10.6L/100 km22.2mpg US26.6mpg UK
Quarter mile
11.8s
Calculated
11.7s
Calculated
Power-to-weight
290hp/t216kW/t132hp/1000 lb
Calculated
330hp/t246kW/t150hp/1000 lb
Calculated
Torque-to-weight
375Nm/t251lb-ft/ton
Calculated
453Nm/t303lb-ft/ton
Calculated
Estimated range
496km308mi
Calculated
672km417mi
Calculated
Displacement
3,600cc220cu in
5,439cc332cu in
Length
4,427mm174in
4,650mm183in
Width
1,808mm71in
1,800mm71in
Height
1,310mm52in
1,360mm54in
Wheelbase
2,350mm93in
2,715mm107in
Trunk volume-
390L
Doors
2
2
Seats
4
4
Fuel tank
64L
92L

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 Cabriolet (997) Turbo 3.6Mercedes-Benz CLK (A209) Facelift 2005 AMG CLK DTM 5.5 V8PowerTorque
  • Porsche 911 Cabriolet (997) Turbo 3.6: Power / Torque
  • Mercedes-Benz CLK (A209) Facelift 2005 AMG CLK DTM 5.5 V8: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Porsche911 Cabriolet (997)Turbo 3.66,000 rpm1,950-5,000 rpm6,250 rpm
Mercedes-BenzCLK (A209)Facelift 2005AMG CLK DTM 5.5 V86,100 rpm3,500 rpm7,000 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricPorsche911 Cabriolet (997)Turbo 3.6Mercedes-BenzCLK (A209)Facelift 2005AMG CLK DTM 5.5 V8
Acceleration checkpoints
0-60 mph
0-97 km/h
3.8 s
3.8 s
0-100 km/h
0-62 mph
4.0 s
4.0 s
0-200 km/h
0-124 mph
11.4 s
11.0 s
Top speed
Unrestricted
320 km/h199 mph
Restricted
310 km/h193 mph
Likely limited
Unrestricted
310 km/h193 mph
Restricted
300 km/h186 mph
Limited
Drag race simulation
60 ft
18 m
2.1 s
2.1 s
330 ft
101 m
5.3 s
5.3 s
1/8 mile
201 m
7.8 s
7.8 s
1000 ft
305 m
10.0 s
9.9 s
1/4 mile
402 m
11.8 s
11.7 s
Trap speed
1/4 mile
402 m
204 km/h
127 mph
207 km/h
128 mph

Power comparison

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

Chart data table
VehicleValue
Porsche911 Cabriolet (997)Turbo 3.6
480 hp
358 kW
Mercedes-BenzCLK (A209)Facelift 2005AMG CLK DTM 5.5 V8
582 hp
434 kW

Mercedes-Benz CLK (A209) Facelift 2005 AMG CLK DTM 5.5 V8 has 102 hp more than Porsche 911 Cabriolet (997) Turbo 3.6.

The biggest power difference is between Porsche 911 Cabriolet (997) Turbo 3.6 and Mercedes-Benz CLK (A209) Facelift 2005 AMG CLK DTM 5.5 V8: 102 hp (76 kW).

Torque comparison

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

Chart data table
VehicleValue
Porsche911 Cabriolet (997)Turbo 3.6
620 Nm
457 lb-ft
Mercedes-BenzCLK (A209)Facelift 2005AMG CLK DTM 5.5 V8
800 Nm
590 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
Porsche911 Cabriolet (997)Turbo 3.6
1,655 kg
3,649 lb
Mercedes-BenzCLK (A209)Facelift 2005AMG CLK DTM 5.5 V8
1,765 kg
3,891 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 Cabriolet (997)Turbo 3.6
Unrestricted
320 km/h199 mph
Restricted
310 km/h193 mph
Mercedes-BenzCLK (A209)Facelift 2005AMG CLK DTM 5.5 V8
Unrestricted
310 km/h193 mph
Restricted
300 km/h186 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
Porsche911 Cabriolet (997)Turbo 3.64.0 s
Mercedes-BenzCLK (A209)Facelift 2005AMG CLK DTM 5.5 V84.0 s

Although Mercedes-Benz CLK (A209) Facelift 2005 AMG CLK DTM 5.5 V8 has more power, Porsche 911 Cabriolet (997) Turbo 3.6 is quicker from 0-100 km/h.

Fuel consumption comparison

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

Chart data table
VehicleValue
Porsche911 Cabriolet (997)Turbo 3.6
12.9 L/100 km
18.2 mpg US
21.9 mpg UK
Mercedes-BenzCLK (A209)Facelift 2005AMG CLK DTM 5.5 V8
13.7 L/100 km
17.2 mpg US
20.6 mpg UK

The biggest fuel consumption difference is between Porsche 911 Cabriolet (997) Turbo 3.6 and Mercedes-Benz CLK (A209) Facelift 2005 AMG CLK DTM 5.5 V8: 0.8 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 Cabriolet (997)Turbo 3.6
290 hp/t
216 kW/t
3.4 kg/hp
Mercedes-BenzCLK (A209)Facelift 2005AMG CLK DTM 5.5 V8
330 hp/t
246 kW/t
3.0 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
Porsche911 Cabriolet (997)Turbo 3.6
496 km
308 mi
Mercedes-BenzCLK (A209)Facelift 2005AMG CLK DTM 5.5 V8
672 km
417 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Porsche911 Cabriolet (997)Turbo 3.6
480 hp
358 kW
4.0 s
Unrestricted
320 km/h199 mph
Restricted
310 km/h193 mph
Mercedes-BenzCLK (A209)Facelift 2005AMG CLK DTM 5.5 V8
582 hp
434 kW
4.0 s
Unrestricted
310 km/h193 mph
Restricted
300 km/h186 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 Cabriolet (997)Turbo 3.6
Power
480 hp
358 kW
0-100 km/h4.0 s
Top speed
Unrestricted
320 km/h199 mph
Restricted
310 km/h193 mph
Doors/seats
2 doors
4 seats
Trunk-
Length
4,427 mm
174.3 in
Height
1,310 mm
51.6 in
Mercedes-BenzCLK (A209)Facelift 2005AMG CLK DTM 5.5 V8
Power
582 hp
434 kW
0-100 km/h4.0 s
Top speed
Unrestricted
310 km/h193 mph
Restricted
300 km/h186 mph
Doors/seats
2 doors
4 seats
Trunk
390 L
13.8 cu ft
Length
4,650 mm
183.1 in
Height
1,360 mm
53.5 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 Cabriolet (997)Turbo 3.6
Power
480 hp
358 kW
0-100 km/h4.0 s
Top speed
Unrestricted
320 km/h199 mph
Restricted
310 km/h193 mph
12.9 L/100 km
18.2 mpg US
21.9 mpg UK
Mercedes-BenzCLK (A209)Facelift 2005AMG CLK DTM 5.5 V8
Power
582 hp
434 kW
0-100 km/h4.0 s
Top speed
Unrestricted
310 km/h193 mph
Restricted
300 km/h186 mph
13.7 L/100 km
17.2 mpg US
20.6 mpg UK

Porsche 911 Cabriolet (997) Turbo 3.6 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 Cabriolet (997)Turbo 3.6
12.9 L/100 km
18.2 mpg US
21.9 mpg UK
4.0 s
Mercedes-BenzCLK (A209)Facelift 2005AMG CLK DTM 5.5 V8
13.7 L/100 km
17.2 mpg US
20.6 mpg UK
4.0 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
VehiclePower-to-weight, hp/tFuel consumption, L/100 km
Porsche911 Cabriolet (997)Turbo 3.6
290 hp/t
216 kW/t
3.4 kg/hp
12.9 L/100 km
18.2 mpg US
21.9 mpg UK
Mercedes-BenzCLK (A209)Facelift 2005AMG CLK DTM 5.5 V8
330 hp/t
246 kW/t
3.0 kg/hp
13.7 L/100 km
17.2 mpg US
20.6 mpg UK

Detailed score breakdown

Detailed score breakdown
VehiclePorsche911 Cabriolet (997)Turbo 3.6Mercedes-BenzCLK (A209)Facelift 2005AMG CLK DTM 5.5 V8
Power
480 hp
358 kW
582 hp
434 kW
Torque
620 Nm
457 lb-ft
800 Nm
590 lb-ft
Acceleration
4.0 s
4.0 s
Top speed
Unrestricted
320 km/h199 mph
Restricted
310 km/h193 mph
Unrestricted
310 km/h193 mph
Restricted
300 km/h186 mph
Lightness
1,655 kg
3,649 lb
1,765 kg
3,891 lb
Fuel consumption
12.9 L/100 km
18.2 mpg US
21.9 mpg UK
13.7 L/100 km
17.2 mpg US
20.6 mpg UK
Practicality
Doors/seats
2 doors
4 seats
Trunk-
Length
4,427 mm
174.3 in
Height
1,310 mm
51.6 in
Doors/seats
2 doors
4 seats
Trunk
390 L
13.8 cu ft
Length
4,650 mm
183.1 in
Height
1,360 mm
53.5 in
Range score
496 km
308 mi
672 km
417 mi
Trunk score
-
390 L
13.8 cu ft
Power-to-weight score
290 hp/t
216 kW/t
3.4 kg/hp
330 hp/t
246 kW/t
3.0 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 911 Cabriolet (997) Turbo 3.6Mercedes-Benz CLK (A209) Facelift 2005 AMG CLK DTM 5.5 V8
Consumption12.9 L/100 km18.2 mpg US21.9 mpg UK13.7 L/100 km17.2 mpg US20.6 mpg UK
Cost / 100 km22.58 LC100 km23.97 LC100 km
Cost / 100 mi36.33 LC100 mi38.58 LC100 mi
Annual fuel used1,935 L511 US gal426 UK gal2,055 L543 US gal452 UK gal
Annual fuel cost3,386 LC/year3,596 LC/year

Head-to-head comparisons

Porsche 911 Cabriolet (997) Turbo 3.6

  • Is 110 kg lighter
  • Has 10 km/h (6 mph) higher top speed
  • Uses 0.8 L/100 km less fuel

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Lightest
  • Lowest combined fuel consumption

Cons

  • Lowest power

Mercedes-Benz CLK (A209) Facelift 2005 AMG CLK DTM 5.5 V8

  • Has 102 hp more
  • Has 180 Nm more
  • Has 40 hp/t better power-to-weight
  • Has 175 km (109 mi) more estimated range

Pros

  • Most powerful
  • Highest torque
  • Best power-to-weight ratio
  • Best estimated range

Cons

  • Highest combined fuel consumption
  • Heaviest
  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
Porsche 911 Cabriolet (997) Turbo 3.6
Mercedes-Benz CLK (A209) AMG CLK DTM 5.5 V8
Compare selected cars
2 vehicles selected

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