Car comparison

BMW 6 Series (E63) · Facelift 2007 630ivsMercedes-Benz CLC (CL203) CLC 350 V6

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

New comparison

BMW 6 Series (E63) · Facelift 2007

630i

272 hp2996 ccGasolineRWDManualNaturally aspiratedCoupe2007-2010
VS

Mercedes-Benz CLC (CL203)

CLC 350 V6

272 hp3498 ccGasolineRWDAutomaticNaturally aspiratedCoupe2008-2011

Comparison overview

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

Best choices

BMW 6 Series (E63) Facelift 2007 630i

  • Quickest 0-100 km/h
    6.2 s
  • Fastest top speed
    260 km/h
    162 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    272 hp
    203 kW
  • Lowest combined fuel consumption
    7.9 L/100 km
    29.8 mpg US
    35.8 mpg UK
  • Lowest city consumption
    11.2 L/100 km
    21.0 mpg US
    25.2 mpg UK
  • Lowest highway consumption
    6.0 L/100 km
    39.2 mpg US
    47.1 mpg UK
  • Best estimated range
    886 km
    551 mi
  • Largest trunk
    450 L
  • Best overall score
    58/100
  • Best performance score
    61/100
  • Best economy score
    86/100
  • Best practicality score
    53/100

Specification comparison

Specification comparison
ModelBMW6 Series (E63)Facelift 2007630iMercedes-BenzCLC (CL203)CLC 350 V6
Power
272hp203kW
272hp203kW
Torque
320Nm236lb-ft
350Nm258lb-ft
Curb weight
1,530kg3,373lb
1,495kg3,296lb
Gross weight
1,980kg4,365lb
2,020kg4,453lb
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
84.9s99% target: 257 km/h / 160 mph
Calculated
84.9s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
6.2s
6.3s
0-200 km/h
22.4s
Calculated
22.6s
Calculated
0-60 mph
5.9s
Calculated
6.0s
Calculated
Fuel consumption
7.9L/100 km29.8mpg US35.8mpg UK
10L/100 km23.5mpg US28.2mpg UK
Fuel consumption city
11.2L/100 km21mpg US25.2mpg UK
14.2L/100 km16.6mpg US19.9mpg UK
Fuel consumption highway
6L/100 km39.2mpg US47.1mpg UK
7.6L/100 km30.9mpg US37.2mpg UK
Quarter mile
14.3s
Calculated
14.3s
Calculated
Power-to-weight
178hp/t133kW/t81hp/1000 lb
Calculated
182hp/t136kW/t83hp/1000 lb
Calculated
Torque-to-weight
209Nm/t140lb-ft/ton
Calculated
234Nm/t157lb-ft/ton
Calculated
Estimated range
886km551mi
Calculated
620km385mi
Calculated
Displacement
2,996cc183cu in
3,498cc213cu in
Length
4,820mm190in
4,448mm175in
Width
1,855mm73in
1,728mm68in
Height
1,374mm54in
1,405mm55in
Wheelbase
2,780mm109in
2,715mm107in
Front track
1,558mm61in
1,505mm59in
Rear track
1,596mm63in
1,476mm58in
Trunk volume
450L
310L
Max trunk volume-
1,100L
Doors
2
3
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.

BMW 6 Series (E63) Facelift 2007 630iMercedes-Benz CLC (CL203) CLC 350 V6PowerTorque
  • BMW 6 Series (E63) Facelift 2007 630i: Power / Torque
  • Mercedes-Benz CLC (CL203) CLC 350 V6: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMW6 Series (E63)Facelift 2007630i6,700 rpm2,750-3,000 rpm6,950 rpm
Mercedes-BenzCLC (CL203)CLC 350 V66,000 rpm2,400-5,000 rpm6,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMW6 Series (E63)Facelift 2007630iMercedes-BenzCLC (CL203)CLC 350 V6
Acceleration checkpoints
0-60 mph
0-97 km/h
5.9 s
6.0 s
0-100 km/h
0-62 mph
6.2 s
6.3 s
0-200 km/h
0-124 mph
22.4 s
22.6 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Limited
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Limited
Drag race simulation
60 ft
18 m
2.4 s
2.4 s
330 ft
101 m
6.2 s
6.3 s
1/8 mile
201 m
9.4 s
9.4 s
1000 ft
305 m
12.0 s
12.1 s
1/4 mile
402 m
14.3 s
14.3 s
Trap speed
1/4 mile
402 m
164 km/h
102 mph
163 km/h
101 mph

Power comparison

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

Chart data table
VehicleValue
BMW6 Series (E63)Facelift 2007630i
272 hp
203 kW
Mercedes-BenzCLC (CL203)CLC 350 V6
272 hp
203 kW

Torque comparison

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

Chart data table
VehicleValue
BMW6 Series (E63)Facelift 2007630i
320 Nm
236 lb-ft
Mercedes-BenzCLC (CL203)CLC 350 V6
350 Nm
258 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
BMW6 Series (E63)Facelift 2007630i
1,530 kg
3,373 lb
Mercedes-BenzCLC (CL203)CLC 350 V6
1,495 kg
3,296 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
BMW6 Series (E63)Facelift 2007630i
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Mercedes-BenzCLC (CL203)CLC 350 V6
Unrestricted
260 km/h162 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
BMW6 Series (E63)Facelift 2007630i6.2 s
Mercedes-BenzCLC (CL203)CLC 350 V66.3 s

The biggest 0-100 km/h difference is between BMW 6 Series (E63) Facelift 2007 630i and Mercedes-Benz CLC (CL203) CLC 350 V6: 0.1 s.

Fuel consumption comparison

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

Chart data table
VehicleValue
BMW6 Series (E63)Facelift 2007630i
7.9 L/100 km
29.8 mpg US
35.8 mpg UK
Mercedes-BenzCLC (CL203)CLC 350 V6
10.0 L/100 km
23.5 mpg US
28.2 mpg UK

The biggest fuel consumption difference is between BMW 6 Series (E63) Facelift 2007 630i and Mercedes-Benz CLC (CL203) CLC 350 V6: 2.1 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
BMW6 Series (E63)Facelift 2007630i
178 hp/t
133 kW/t
5.6 kg/hp
Mercedes-BenzCLC (CL203)CLC 350 V6
182 hp/t
136 kW/t
5.5 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
BMW6 Series (E63)Facelift 2007630i
886 km
551 mi
Mercedes-BenzCLC (CL203)CLC 350 V6
620 km
385 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMW6 Series (E63)Facelift 2007630i
272 hp
203 kW
6.2 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Mercedes-BenzCLC (CL203)CLC 350 V6
272 hp
203 kW
6.3 s
Unrestricted
260 km/h162 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
BMW6 Series (E63)Facelift 2007630i
Power
272 hp
203 kW
0-100 km/h6.2 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
2 doors
4 seats
Trunk
450 L
15.9 cu ft
Length
4,820 mm
189.8 in
Height
1,374 mm
54.1 in
Mercedes-BenzCLC (CL203)CLC 350 V6
Power
272 hp
203 kW
0-100 km/h6.3 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
3 doors
4 seats
Trunk
310 L
10.9 cu ft
Length
4,448 mm
175.1 in
Height
1,405 mm
55.3 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
BMW6 Series (E63)Facelift 2007630i
Power
272 hp
203 kW
0-100 km/h6.2 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
7.9 L/100 km
29.8 mpg US
35.8 mpg UK
Mercedes-BenzCLC (CL203)CLC 350 V6
Power
272 hp
203 kW
0-100 km/h6.3 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
10.0 L/100 km
23.5 mpg US
28.2 mpg UK

BMW 6 Series (E63) Facelift 2007 630i 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
BMW6 Series (E63)Facelift 2007630i
7.9 L/100 km
29.8 mpg US
35.8 mpg UK
6.2 s
Mercedes-BenzCLC (CL203)CLC 350 V6
10.0 L/100 km
23.5 mpg US
28.2 mpg UK
6.3 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
BMW6 Series (E63)Facelift 2007630i
178 hp/t
133 kW/t
5.6 kg/hp
7.9 L/100 km
29.8 mpg US
35.8 mpg UK
Mercedes-BenzCLC (CL203)CLC 350 V6
182 hp/t
136 kW/t
5.5 kg/hp
10.0 L/100 km
23.5 mpg US
28.2 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMW6 Series (E63)Facelift 2007630iMercedes-BenzCLC (CL203)CLC 350 V6
Power
272 hp
203 kW
272 hp
203 kW
Torque
320 Nm
236 lb-ft
350 Nm
258 lb-ft
Acceleration
6.2 s
6.3 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
1,530 kg
3,373 lb
1,495 kg
3,296 lb
Fuel consumption
7.9 L/100 km
29.8 mpg US
35.8 mpg UK
10.0 L/100 km
23.5 mpg US
28.2 mpg UK
Practicality
Doors/seats
2 doors
4 seats
Trunk
450 L
15.9 cu ft
Length
4,820 mm
189.8 in
Height
1,374 mm
54.1 in
Doors/seats
3 doors
4 seats
Trunk
310 L
10.9 cu ft
Length
4,448 mm
175.1 in
Height
1,405 mm
55.3 in
Range score
886 km
551 mi
620 km
385 mi
Trunk score
450 L
15.9 cu ft
310 L
10.9 cu ft
Power-to-weight score
178 hp/t
133 kW/t
5.6 kg/hp
182 hp/t
136 kW/t
5.5 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
VehicleBMW 6 Series (E63) Facelift 2007 630iMercedes-Benz CLC (CL203) CLC 350 V6
Consumption7.9 L/100 km29.8 mpg US35.8 mpg UK10 L/100 km23.5 mpg US28.2 mpg UK
Cost / 100 km13.83 LC100 km17.50 LC100 km
Cost / 100 mi22.25 LC100 mi28.16 LC100 mi
Annual fuel used1,185 L313 US gal261 UK gal1,500 L396 US gal330 UK gal
Annual fuel cost2,074 LC/year2,625 LC/year

Head-to-head comparisons

BMW 6 Series (E63) Facelift 2007 630i

  • Is 0.1 s quicker from 0-100 km/h
  • Uses 2.1 L/100 km less fuel
  • Has 266 km (165 mi) more estimated range
  • Has 140 L more trunk volume

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Most powerful
  • Lowest combined fuel consumption
  • Best estimated range
  • Largest trunk

Cons

  • Heaviest

Mercedes-Benz CLC (CL203) CLC 350 V6

  • Has 30 Nm more
  • Is 35 kg lighter
  • Has 4 hp/t better power-to-weight

Pros

  • Highest torque
  • Lightest
  • Best power-to-weight ratio

Cons

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

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW 6 Series (E63) 630i
Mercedes-Benz CLC (CL203) CLC 350 V6
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