Car comparison

Alpina B6 Coupe (E63) 4.4 V8 SvsMercedes-Benz CLK (C209) · Facelift 2005 AMG CLK 63 Black Series V8

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

New comparison

Alpina B6 Coupe (E63)

4.4 V8 S

530 hp4398 ccGasolineRWDAutomaticSuperchargedCoupe2008-2010
VS

Mercedes-Benz CLK (C209) · Facelift 2005

AMG CLK 63 Black Series V8

507 hp6208 ccGasolineRWDAutomaticNaturally aspiratedCoupe2007-2009

Comparison overview

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

Best choices

Alpina B6 Coupe (E63) 4.4 V8 S

  • Fastest top speed
    318 km/h
    198 mph
  • Most powerful
    530 hp
    395 kW
  • Highest torque
    725 Nm
    535 lb-ft
  • Best power-to-weight
    308 hp/t
    230 kW/t
    3.2 kg/hp
  • Lowest city consumption
    22.0 L/100 km
    10.7 mpg US
    12.8 mpg UK
  • Lowest highway consumption
    8.7 L/100 km
    27.0 mpg US
    32.5 mpg UK
  • Largest trunk
    450 L
  • Best overall score
    78/100
  • Best performance score
    90/100

Specification comparison

Specification comparison
ModelAlpinaB6 Coupe (E63)4.4 V8 SMercedes-BenzCLK (C209)Facelift 2005AMG CLK 63 Black Series V8
Power
530hp395kW
507hp378kW
Torque
725Nm535lb-ft
630Nm465lb-ft
Curb weight
1,720kg3,792lb
1,685kg3,715lb
Gross weight
2,190kg4,828lb
1,995kg4,398lb
Top speed
318 km/h
198 mph
Unrestricted
315 km/h196 mph
Restricted
300 km/h186 mph
Calculated
To 99% top speed
70.8s99% target: 315 km/h / 196 mph
Calculated
85.7s99% target: 312 km/h / 194 mph
Calculated
0-100 km/h
4.5s
4.3s
0-200 km/h
13.0s
Calculated
13.8s
0-60 mph
4.3s
Calculated
4.1s
Calculated
Fuel consumption
18.6L/100 km12.6mpg US15.2mpg UK
15.3L/100 km15.4mpg US18.5mpg UK
Fuel consumption city
22L/100 km10.7mpg US12.8mpg UK
23.3L/100 km10.1mpg US12.1mpg UK
Fuel consumption highway
8.7L/100 km27mpg US32.5mpg UK
10.8L/100 km21.8mpg US26.2mpg UK
Quarter mile
12.4s
Calculated
12.3s
Calculated
Power-to-weight
308hp/t230kW/t140hp/1000 lb
Calculated
301hp/t224kW/t136hp/1000 lb
Calculated
Torque-to-weight
422Nm/t282lb-ft/ton
Calculated
374Nm/t250lb-ft/ton
Calculated
Estimated range
376km234mi
Calculated
405km252mi
Calculated
Displacement
4,398cc268cu in
6,208cc379cu in
Length
4,820mm190in
4,657mm183in
Width
1,855mm73in
1,833mm72in
Height
1,371mm54in
1,365mm54in
Wheelbase
2,780mm109in
2,715mm107in
Front track
1,558mm61in
-
Rear track
1,598mm63in
-
Trunk volume-
435L
Max trunk volume
450L
-
Doors
2
2
Seats
4
4
Fuel tank
70L
62L

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.

Alpina B6 Coupe (E63) 4.4 V8 SMercedes-Benz CLK (C209) Facelift 2005 AMG CLK 63 Black Series V8PowerTorque
  • Alpina B6 Coupe (E63) 4.4 V8 S: Power / Torque
  • Mercedes-Benz CLK (C209) Facelift 2005 AMG CLK 63 Black Series V8: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
AlpinaB6 Coupe (E63)4.4 V8 S5,500 rpm4,750 rpm5,750 rpm
Mercedes-BenzCLK (C209)Facelift 2005AMG CLK 63 Black Series V86,800 rpm5,250 rpm7,050 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAlpinaB6 Coupe (E63)4.4 V8 SMercedes-BenzCLK (C209)Facelift 2005AMG CLK 63 Black Series V8
Acceleration checkpoints
0-60 mph
0-97 km/h
4.3 s
4.1 s
0-100 km/h
0-62 mph
4.5 s
4.3 s
0-200 km/h
0-124 mph
13.0 s
13.8 s
Top speed
318 km/h
198 mph
Unrestricted
315 km/h196 mph
Restricted
300 km/h186 mph
Limited
Drag race simulation
60 ft
18 m
2.2 s
2.0 s
330 ft
101 m
5.5 s
5.4 s
1/8 mile
201 m
8.2 s
8.1 s
1000 ft
305 m
10.5 s
10.4 s
1/4 mile
402 m
12.4 s
12.3 s
Trap speed
1/4 mile
402 m
194 km/h
121 mph
189 km/h
117 mph

Power comparison

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

Chart data table
VehicleValue
AlpinaB6 Coupe (E63)4.4 V8 S
530 hp
395 kW
Mercedes-BenzCLK (C209)Facelift 2005AMG CLK 63 Black Series V8
507 hp
378 kW

Alpina B6 Coupe (E63) 4.4 V8 S has 23 hp more than Mercedes-Benz CLK (C209) Facelift 2005 AMG CLK 63 Black Series V8.

The biggest power difference is between Mercedes-Benz CLK (C209) Facelift 2005 AMG CLK 63 Black Series V8 and Alpina B6 Coupe (E63) 4.4 V8 S: 23 hp (17 kW).

Torque comparison

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

Chart data table
VehicleValue
AlpinaB6 Coupe (E63)4.4 V8 S
725 Nm
535 lb-ft
Mercedes-BenzCLK (C209)Facelift 2005AMG CLK 63 Black Series V8
630 Nm
465 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
AlpinaB6 Coupe (E63)4.4 V8 S
1,720 kg
3,792 lb
Mercedes-BenzCLK (C209)Facelift 2005AMG CLK 63 Black Series V8
1,685 kg
3,715 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
AlpinaB6 Coupe (E63)4.4 V8 S
318 km/h
198 mph
Mercedes-BenzCLK (C209)Facelift 2005AMG CLK 63 Black Series V8
Unrestricted
315 km/h196 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
AlpinaB6 Coupe (E63)4.4 V8 S4.5 s
Mercedes-BenzCLK (C209)Facelift 2005AMG CLK 63 Black Series V84.3 s

Although Alpina B6 Coupe (E63) 4.4 V8 S has more power, Mercedes-Benz CLK (C209) Facelift 2005 AMG CLK 63 Black Series V8 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Mercedes-Benz CLK (C209) Facelift 2005 AMG CLK 63 Black Series V8 and Alpina B6 Coupe (E63) 4.4 V8 S: 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
VehicleValue
AlpinaB6 Coupe (E63)4.4 V8 S
18.6 L/100 km
12.6 mpg US
15.2 mpg UK
Mercedes-BenzCLK (C209)Facelift 2005AMG CLK 63 Black Series V8
15.3 L/100 km
15.4 mpg US
18.5 mpg UK

The biggest fuel consumption difference is between Mercedes-Benz CLK (C209) Facelift 2005 AMG CLK 63 Black Series V8 and Alpina B6 Coupe (E63) 4.4 V8 S: 3.3 L/100 km.

Power-to-weight comparison

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

Chart data table
VehicleValue
AlpinaB6 Coupe (E63)4.4 V8 S
308 hp/t
230 kW/t
3.2 kg/hp
Mercedes-BenzCLK (C209)Facelift 2005AMG CLK 63 Black Series V8
301 hp/t
224 kW/t
3.3 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
AlpinaB6 Coupe (E63)4.4 V8 S
376 km
234 mi
Mercedes-BenzCLK (C209)Facelift 2005AMG CLK 63 Black Series V8
405 km
252 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
AlpinaB6 Coupe (E63)4.4 V8 S
530 hp
395 kW
4.5 s
318 km/h
198 mph
Mercedes-BenzCLK (C209)Facelift 2005AMG CLK 63 Black Series V8
507 hp
378 kW
4.3 s
Unrestricted
315 km/h196 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
AlpinaB6 Coupe (E63)4.4 V8 S
Power
530 hp
395 kW
0-100 km/h4.5 s
Top speed
318 km/h
198 mph
Doors/seats
2 doors
4 seats
Trunk
450 L
15.9 cu ft
Length
4,820 mm
189.8 in
Height
1,371 mm
54.0 in
Mercedes-BenzCLK (C209)Facelift 2005AMG CLK 63 Black Series V8
Power
507 hp
378 kW
0-100 km/h4.3 s
Top speed
Unrestricted
315 km/h196 mph
Restricted
300 km/h186 mph
Doors/seats
2 doors
4 seats
Trunk
435 L
15.4 cu ft
Length
4,657 mm
183.3 in
Height
1,365 mm
53.7 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
AlpinaB6 Coupe (E63)4.4 V8 S
Power
530 hp
395 kW
0-100 km/h4.5 s
Top speed
318 km/h
198 mph
18.6 L/100 km
12.6 mpg US
15.2 mpg UK
Mercedes-BenzCLK (C209)Facelift 2005AMG CLK 63 Black Series V8
Power
507 hp
378 kW
0-100 km/h4.3 s
Top speed
Unrestricted
315 km/h196 mph
Restricted
300 km/h186 mph
15.3 L/100 km
15.4 mpg US
18.5 mpg UK

Mercedes-Benz CLK (C209) Facelift 2005 AMG CLK 63 Black Series V8 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
AlpinaB6 Coupe (E63)4.4 V8 S
18.6 L/100 km
12.6 mpg US
15.2 mpg UK
4.5 s
Mercedes-BenzCLK (C209)Facelift 2005AMG CLK 63 Black Series V8
15.3 L/100 km
15.4 mpg US
18.5 mpg UK
4.3 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
AlpinaB6 Coupe (E63)4.4 V8 S
308 hp/t
230 kW/t
3.2 kg/hp
18.6 L/100 km
12.6 mpg US
15.2 mpg UK
Mercedes-BenzCLK (C209)Facelift 2005AMG CLK 63 Black Series V8
301 hp/t
224 kW/t
3.3 kg/hp
15.3 L/100 km
15.4 mpg US
18.5 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleAlpinaB6 Coupe (E63)4.4 V8 SMercedes-BenzCLK (C209)Facelift 2005AMG CLK 63 Black Series V8
Power
530 hp
395 kW
507 hp
378 kW
Torque
725 Nm
535 lb-ft
630 Nm
465 lb-ft
Acceleration
4.5 s
4.3 s
Top speed
318 km/h
198 mph
Unrestricted
315 km/h196 mph
Restricted
300 km/h186 mph
Lightness
1,720 kg
3,792 lb
1,685 kg
3,715 lb
Fuel consumption
18.6 L/100 km
12.6 mpg US
15.2 mpg UK
15.3 L/100 km
15.4 mpg US
18.5 mpg UK
Practicality
Doors/seats
2 doors
4 seats
Trunk
450 L
15.9 cu ft
Length
4,820 mm
189.8 in
Height
1,371 mm
54.0 in
Doors/seats
2 doors
4 seats
Trunk
435 L
15.4 cu ft
Length
4,657 mm
183.3 in
Height
1,365 mm
53.7 in
Range score
376 km
234 mi
405 km
252 mi
Trunk score
450 L
15.9 cu ft
435 L
15.4 cu ft
Power-to-weight score
308 hp/t
230 kW/t
3.2 kg/hp
301 hp/t
224 kW/t
3.3 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
VehicleAlpina B6 Coupe (E63) 4.4 V8 SMercedes-Benz CLK (C209) Facelift 2005 AMG CLK 63 Black Series V8
Consumption18.6 L/100 km12.6 mpg US15.2 mpg UK15.3 L/100 km15.4 mpg US18.5 mpg UK
Cost / 100 km32.55 LC100 km26.78 LC100 km
Cost / 100 mi52.38 LC100 mi43.09 LC100 mi
Annual fuel used2,790 L737 US gal614 UK gal2,295 L606 US gal505 UK gal
Annual fuel cost4,883 LC/year4,016 LC/year

Head-to-head comparisons

Alpina B6 Coupe (E63) 4.4 V8 S

  • Has 23 hp more
  • Has 95 Nm more
  • Has 3 km/h (2 mph) higher top speed
  • Has 7 hp/t better power-to-weight
  • Has 15 L more trunk volume

Pros

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

Cons

  • Slowest 0-100 km/h
  • Highest combined fuel consumption
  • Heaviest

Mercedes-Benz CLK (C209) Facelift 2005 AMG CLK 63 Black Series V8

  • Is 35 kg lighter
  • Is 0.2 s quicker from 0-100 km/h
  • Uses 3.3 L/100 km less fuel
  • Has 29 km (18 mi) more estimated range

Pros

  • Quickest 0-100 km/h in this comparison
  • Lightest
  • Lowest combined fuel consumption
  • Best estimated range

Cons

  • Lowest power
  • Lowest top speed
  • Smallest trunk

Choose cars to compare

Brand
Model
Generation
Engine or modification
Alpina B6 Coupe (E63) 4.4 V8 S
Mercedes-Benz CLK (C209) AMG CLK 63 Black Series V8
Compare selected cars
2 vehicles selected

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