Car comparison

BMW Z4 Coupe (E86) 3.0 sivsBMW 6 Series (E63) · Facelift 2007 630i

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

BMW 6 Series (E63) · Facelift 2007

630i

272 hp2996 ccGasolineRWDManualNaturally aspiratedCoupe2007-2010

Comparison overview

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

Best choices

BMW 6 Series (E63) Facelift 2007 630i

  • Most powerful
    272 hp
    203 kW
  • Highest torque
    320 Nm
    236 lb-ft
  • 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
  • Largest trunk
    450 L
  • Best overall score
    58/100
  • Best economy score
    86/100
  • Best practicality score
    53/100

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
  • Lightest
    1,325 kg
    2,921 lb
  • Best power-to-weight
    200 hp/t
    149 kW/t
    5.0 kg/hp
  • Best performance score
    63/100

Specification comparison

Specification comparison
ModelBMWZ4 Coupe (E86)3.0 siBMW6 Series (E63)Facelift 2007630i
Power
265hp198kW
272hp203kW
Torque
315Nm232lb-ft
320Nm236lb-ft
Curb weight
1,325kg2,921lb
1,530kg3,373lb
Gross weight
1,650kg3,638lb
1,980kg4,365lb
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
74.0s99% target: 262 km/h / 163 mph
Calculated
84.9s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
5.7s
6.2s
0-200 km/h
19.4s
Calculated
22.4s
Calculated
0-60 mph
5.4s
Calculated
5.9s
Calculated
Fuel consumption-
7.9L/100 km29.8mpg US35.8mpg UK
Fuel consumption city
13L/100 km18.1mpg US21.7mpg UK
11.2L/100 km21mpg US25.2mpg UK
Fuel consumption highway
6.5L/100 km36.2mpg US43.5mpg UK
6L/100 km39.2mpg US47.1mpg UK
Quarter mile
13.8s
Calculated
14.3s
Calculated
Power-to-weight
200hp/t149kW/t91hp/1000 lb
Calculated
178hp/t133kW/t81hp/1000 lb
Calculated
Torque-to-weight
238Nm/t159lb-ft/ton
Calculated
209Nm/t140lb-ft/ton
Calculated
Estimated range-
886km551mi
Calculated
Displacement
2,996cc183cu in
2,996cc183cu in
Length
4,091mm161in
4,820mm190in
Width
1,781mm70in
1,855mm73in
Height
1,268mm50in
1,374mm54in
Wheelbase
2,495mm98in
2,780mm109in
Front track
1,473mm58in
1,558mm61in
Rear track
1,523mm60in
1,596mm63in
Trunk volume
285L
450L
Max trunk volume
340L
-
Doors
2
2
Seats
2
4
Fuel tank
55L
70L

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 siBMW 6 Series (E63) Facelift 2007 630iPowerTorque
  • BMW Z4 Coupe (E86) 3.0 si: Power / Torque
  • BMW 6 Series (E63) Facelift 2007 630i: 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
BMW6 Series (E63)Facelift 2007630i6,700 rpm2,750-3,000 rpm6,950 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMWZ4 Coupe (E86)3.0 siBMW6 Series (E63)Facelift 2007630i
Acceleration checkpoints
0-60 mph
0-97 km/h
5.4 s
5.9 s
0-100 km/h
0-62 mph
5.7 s
6.2 s
0-200 km/h
0-124 mph
19.4 s
22.4 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Likely limited
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Limited
Drag race simulation
60 ft
18 m
2.3 s
2.4 s
330 ft
101 m
6.1 s
6.2 s
1/8 mile
201 m
9.1 s
9.4 s
1000 ft
305 m
11.6 s
12.0 s
1/4 mile
402 m
13.8 s
14.3 s
Trap speed
1/4 mile
402 m
171 km/h
106 mph
164 km/h
102 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
BMW6 Series (E63)Facelift 2007630i
272 hp
203 kW

BMW 6 Series (E63) Facelift 2007 630i has 7 hp more than BMW Z4 Coupe (E86) 3.0 si.

The biggest power difference is between BMW Z4 Coupe (E86) 3.0 si and BMW 6 Series (E63) Facelift 2007 630i: 7 hp (5 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
BMW6 Series (E63)Facelift 2007630i
320 Nm
236 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
BMW6 Series (E63)Facelift 2007630i
1,530 kg
3,373 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
BMW6 Series (E63)Facelift 2007630i
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
BMWZ4 Coupe (E86)3.0 si5.7 s
BMW6 Series (E63)Facelift 2007630i6.2 s

Although BMW 6 Series (E63) Facelift 2007 630i 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 BMW 6 Series (E63) Facelift 2007 630i: 0.5 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
BMW6 Series (E63)Facelift 2007630i
178 hp/t
133 kW/t
5.6 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
BMW6 Series (E63)Facelift 2007630i
272 hp
203 kW
6.2 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
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
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

Detailed score breakdown

Detailed score breakdown
VehicleBMWZ4 Coupe (E86)3.0 siBMW6 Series (E63)Facelift 2007630i
Power
265 hp
198 kW
272 hp
203 kW
Torque
315 Nm
232 lb-ft
320 Nm
236 lb-ft
Acceleration
5.7 s
6.2 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
1,325 kg
2,921 lb
1,530 kg
3,373 lb
Fuel consumption
-
7.9 L/100 km
29.8 mpg US
35.8 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
4 seats
Trunk
450 L
15.9 cu ft
Length
4,820 mm
189.8 in
Height
1,374 mm
54.1 in
Range score
-
886 km
551 mi
Trunk score
285 L
10.1 cu ft
450 L
15.9 cu ft
Power-to-weight score
200 hp/t
149 kW/t
5.0 kg/hp
178 hp/t
133 kW/t
5.6 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 630i
Consumption7.9 L/100 km29.8 mpg US35.8 mpg UK
Cost / 100 km13.83 LC100 km
Cost / 100 mi22.25 LC100 mi
Annual fuel used1,185 L313 US gal261 UK gal
Annual fuel cost2,074 LC/year

Head-to-head comparisons

BMW Z4 Coupe (E86) 3.0 si

  • Is 205 kg lighter
  • Is 0.5 s quicker from 0-100 km/h
  • Has 5 km/h (3 mph) higher top speed
  • Has 22 hp/t better power-to-weight

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Lightest
  • Best power-to-weight ratio

Cons

  • Lowest power
  • Smallest trunk

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW Z4 Coupe (E86) 3.0 si
BMW 6 Series (E63) 630i
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BMW Z4 Coupe (E86) 3.0 si vs BMW 6 Series (E63) · Facelift 2007 630i - car comparison - FastVsFaster