Car comparison

BMW Z4 Coupe (E86) 3.0 sivsBMW 6 Series (E63) · Facelift 2007 635d

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

635d

286 hp2993 ccDieselRWDAutomaticTurbochargedCoupe2007-2010

Comparison overview

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

Best choices

BMW 6 Series (E63) Facelift 2007 635d

  • Most powerful
    286 hp
    213 kW
  • Highest torque
    580 Nm
    428 lb-ft
  • Lowest city consumption
    9.2 L/100 km
    25.6 mpg US
    30.7 mpg UK
  • Lowest highway consumption
    5.6 L/100 km
    42.0 mpg US
    50.4 mpg UK
  • Largest trunk
    450 L
  • Best overall score
    62/100
  • Best performance score
    66/100
  • Best economy score
    88/100
  • 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

Specification comparison

Specification comparison
ModelBMWZ4 Coupe (E86)3.0 siBMW6 Series (E63)Facelift 2007635d
Power
265hp198kW
286hp213kW
Torque
315Nm232lb-ft
580Nm428lb-ft
Curb weight
1,325kg2,921lb
1,650kg3,638lb
Gross weight
1,650kg3,638lb
2,100kg4,630lb
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
87.8s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
5.7s
6.3s
0-200 km/h
19.4s
Calculated
23.0s
Calculated
0-60 mph
5.4s
Calculated
6.0s
Calculated
Fuel consumption-
6.9L/100 km34.1mpg US40.9mpg UK
Fuel consumption city
13L/100 km18.1mpg US21.7mpg UK
9.2L/100 km25.6mpg US30.7mpg UK
Fuel consumption highway
6.5L/100 km36.2mpg US43.5mpg UK
5.6L/100 km42mpg US50.4mpg UK
Quarter mile
13.8s
Calculated
14.3s
Calculated
Power-to-weight
200hp/t149kW/t91hp/1000 lb
Calculated
173hp/t129kW/t79hp/1000 lb
Calculated
Torque-to-weight
238Nm/t159lb-ft/ton
Calculated
352Nm/t235lb-ft/ton
Calculated
Estimated range-
1,014km630mi
Calculated
Displacement
2,996cc183cu in
2,993cc183cu 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
CO2 emissions-
183g/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 siBMW 6 Series (E63) Facelift 2007 635dPowerTorque
  • BMW Z4 Coupe (E86) 3.0 si: Power / Torque
  • BMW 6 Series (E63) Facelift 2007 635d: 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 2007635d4,400 rpm1,750-2,250 rpm4,650 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMWZ4 Coupe (E86)3.0 siBMW6 Series (E63)Facelift 2007635d
Acceleration checkpoints
0-60 mph
0-97 km/h
5.4 s
6.0 s
0-100 km/h
0-62 mph
5.7 s
6.3 s
0-200 km/h
0-124 mph
19.4 s
23.0 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
Likely limited
Drag race simulation
60 ft
18 m
2.3 s
2.4 s
330 ft
101 m
6.1 s
6.3 s
1/8 mile
201 m
9.1 s
9.4 s
1000 ft
305 m
11.6 s
12.1 s
1/4 mile
402 m
13.8 s
14.3 s
Trap speed
1/4 mile
402 m
171 km/h
106 mph
162 km/h
101 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 2007635d
286 hp
213 kW

BMW 6 Series (E63) Facelift 2007 635d has 21 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 635d: 21 hp (16 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 2007635d
580 Nm
428 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 2007635d
1,650 kg
3,638 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 2007635d
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 2007635d6.3 s

Although BMW 6 Series (E63) Facelift 2007 635d 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 635d: 0.6 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 2007635d
173 hp/t
129 kW/t
5.8 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 2007635d
286 hp
213 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
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 2007635d
Power
286 hp
213 kW
0-100 km/h6.3 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 2007635d
Power
265 hp
198 kW
286 hp
213 kW
Torque
315 Nm
232 lb-ft
580 Nm
428 lb-ft
Acceleration
5.7 s
6.3 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
1,650 kg
3,638 lb
Fuel consumption
-
6.9 L/100 km
34.1 mpg US
40.9 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
-
1,014 km
630 mi
CO2 score
-
183 g/km
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
173 hp/t
129 kW/t
5.8 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 635d
Consumption6.9 L/100 km34.1 mpg US40.9 mpg UK
Cost / 100 km12.08 LC100 km
Cost / 100 mi19.43 LC100 mi
Annual fuel used1,035 L273 US gal228 UK gal
Annual fuel cost1,811 LC/year

Head-to-head comparisons

BMW Z4 Coupe (E86) 3.0 si

  • Is 325 kg lighter
  • Is 0.6 s quicker from 0-100 km/h
  • Has 5 km/h (3 mph) higher top speed
  • Has 27 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) 635d
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BMW Z4 Coupe (E86) 3.0 si vs BMW 6 Series (E63) · Facelift 2007 635d - car comparison - FastVsFaster