Car comparison

BMW Z4 (G29) M40ivsBMW Z4 Coupe (E86) M 3.2

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

New comparison

BMW Z4 (G29)

M40i

340 hp2998 ccGasolineAWDAutomaticTurbochargedRoadster2018-2022
VS

BMW Z4 Coupe (E86)

M 3.2

343 hp3246 ccGasolineRWDManualNaturally aspiratedCoupe2006-2008

Comparison overview

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

Best choices

BMW Z4 (G29) M40i

  • Quickest 0-100 km/h
    4.5 s
  • Fastest top speed
    265 km/h
    165 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Highest torque
    500 Nm
    369 lb-ft
  • Lowest combined fuel consumption
    7.4 L/100 km
    31.8 mpg US
    38.2 mpg UK
  • Lowest city consumption
    9.2 L/100 km
    25.6 mpg US
    30.7 mpg UK
  • Lowest highway consumption
    6.3 L/100 km
    37.3 mpg US
    44.8 mpg UK
  • Best estimated range
    703 km
    437 mi
  • Largest trunk
    281 L
  • Best overall score
    60/100
  • Best performance score
    73/100
  • Best economy score
    87/100

BMW Z4 Coupe (E86) M 3.2

  • Most powerful
    343 hp
    256 kW
  • Lightest
    1,425 kg
    3,142 lb
  • Best power-to-weight
    241 hp/t
    179 kW/t
    4.2 kg/hp
  • Best practicality score
    35/100

Specification comparison

Specification comparison
ModelBMWZ4 (G29)M40iBMWZ4 Coupe (E86)M 3.2
Power
340hp254kW
343hp256kW
Torque
500Nm369lb-ft
365Nm269lb-ft
Curb weight
1,535kg3,384lb
1,425kg3,142lb
Gross weight
1,860kg4,101lb
1,730kg3,814lb
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
57.6s99% target: 262 km/h / 163 mph
Calculated
62.0s99% target: 262 km/h / 163 mph
Calculated
0-100 km/h
4.5s
5.0s
0-200 km/h
15.2s
Calculated
16.7s
Calculated
0-60 mph
4.3s
Calculated
4.8s
Calculated
Fuel consumption
7.4L/100 km31.8mpg US38.2mpg UK
12.1L/100 km19.4mpg US23.3mpg UK
Fuel consumption city
9.2L/100 km25.6mpg US30.7mpg UK
18.2L/100 km12.9mpg US15.5mpg UK
Fuel consumption highway
6.3L/100 km37.3mpg US44.8mpg UK
8.6L/100 km27.4mpg US32.8mpg UK
Quarter mile
12.6s
Calculated
13.1s
Calculated
Power-to-weight
221hp/t165kW/t100hp/1000 lb
Calculated
241hp/t179kW/t109hp/1000 lb
Calculated
Torque-to-weight
326Nm/t218lb-ft/ton
Calculated
256Nm/t171lb-ft/ton
Calculated
Estimated range
703km437mi
Calculated
455km282mi
Calculated
Displacement
2,998cc183cu in
3,246cc198cu in
Length
4,324mm170in
4,113mm162in
Width
1,864mm73in
1,781mm70in
Height
1,304mm51in
1,271mm50in
Wheelbase
2,470mm97in
2,497mm98in
Front track
1,594mm63in
1,486mm59in
Rear track
1,589mm63in
1,516mm60in
Ground clearance
114mm4in
-
Trunk volume
281L
245L
Max trunk volume-
300L
Doors
2
2
Seats
2
2
Fuel tank
52L
55L
CO2 emissions
168g/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 (G29) M40iBMW Z4 Coupe (E86) M 3.2PowerTorque
  • BMW Z4 (G29) M40i: Power / Torque
  • BMW Z4 Coupe (E86) M 3.2: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMWZ4 (G29)M40i5,000-6,500 rpm1,600-4,500 rpm6,750 rpm
BMWZ4 Coupe (E86)M 3.27,900 rpm4,900 rpm8,150 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMWZ4 (G29)M40iBMWZ4 Coupe (E86)M 3.2
Acceleration checkpoints
0-60 mph
0-97 km/h
4.3 s
4.8 s
0-100 km/h
0-62 mph
4.5 s
5.0 s
0-200 km/h
0-124 mph
15.2 s
16.7 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Likely limited
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Likely limited
Drag race simulation
60 ft
18 m
2.1 s
2.2 s
330 ft
101 m
5.5 s
5.8 s
1/8 mile
201 m
8.2 s
8.6 s
1000 ft
305 m
10.6 s
11.0 s
1/4 mile
402 m
12.6 s
13.1 s
Trap speed
1/4 mile
402 m
184 km/h
114 mph
179 km/h
111 mph

Power comparison

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

Chart data table
VehicleValue
BMWZ4 (G29)M40i
340 hp
254 kW
BMWZ4 Coupe (E86)M 3.2
343 hp
256 kW

BMW Z4 Coupe (E86) M 3.2 has 3 hp more than BMW Z4 (G29) M40i.

The biggest power difference is between BMW Z4 (G29) M40i and BMW Z4 Coupe (E86) M 3.2: 3 hp (2 kW).

Torque comparison

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

Chart data table
VehicleValue
BMWZ4 (G29)M40i
500 Nm
369 lb-ft
BMWZ4 Coupe (E86)M 3.2
365 Nm
269 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
BMWZ4 (G29)M40i
1,535 kg
3,384 lb
BMWZ4 Coupe (E86)M 3.2
1,425 kg
3,142 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 (G29)M40i
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
BMWZ4 Coupe (E86)M 3.2
Unrestricted
265 km/h165 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 (G29)M40i4.5 s
BMWZ4 Coupe (E86)M 3.25.0 s

Although BMW Z4 Coupe (E86) M 3.2 has more power, BMW Z4 (G29) M40i is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between BMW Z4 (G29) M40i and BMW Z4 Coupe (E86) M 3.2: 0.5 s.

Fuel consumption comparison

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

Chart data table
VehicleValue
BMWZ4 (G29)M40i
7.4 L/100 km
31.8 mpg US
38.2 mpg UK
BMWZ4 Coupe (E86)M 3.2
12.1 L/100 km
19.4 mpg US
23.3 mpg UK

The biggest fuel consumption difference is between BMW Z4 (G29) M40i and BMW Z4 Coupe (E86) M 3.2: 4.7 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
BMWZ4 (G29)M40i
221 hp/t
165 kW/t
4.5 kg/hp
BMWZ4 Coupe (E86)M 3.2
241 hp/t
179 kW/t
4.2 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
BMWZ4 (G29)M40i
703 km
437 mi
BMWZ4 Coupe (E86)M 3.2
455 km
282 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMWZ4 (G29)M40i
340 hp
254 kW
4.5 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
BMWZ4 Coupe (E86)M 3.2
343 hp
256 kW
5.0 s
Unrestricted
265 km/h165 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 (G29)M40i
Power
340 hp
254 kW
0-100 km/h4.5 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
2 doors
2 seats
Trunk
281 L
9.9 cu ft
Length
4,324 mm
170.2 in
Height
1,304 mm
51.3 in
BMWZ4 Coupe (E86)M 3.2
Power
343 hp
256 kW
0-100 km/h5.0 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
2 doors
2 seats
Trunk
245 L
8.7 cu ft
Length
4,113 mm
161.9 in
Height
1,271 mm
50.0 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
BMWZ4 (G29)M40i
Power
340 hp
254 kW
0-100 km/h4.5 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
7.4 L/100 km
31.8 mpg US
38.2 mpg UK
BMWZ4 Coupe (E86)M 3.2
Power
343 hp
256 kW
0-100 km/h5.0 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
12.1 L/100 km
19.4 mpg US
23.3 mpg UK

BMW Z4 (G29) M40i 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
BMWZ4 (G29)M40i
7.4 L/100 km
31.8 mpg US
38.2 mpg UK
4.5 s
BMWZ4 Coupe (E86)M 3.2
12.1 L/100 km
19.4 mpg US
23.3 mpg UK
5.0 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
BMWZ4 (G29)M40i
221 hp/t
165 kW/t
4.5 kg/hp
7.4 L/100 km
31.8 mpg US
38.2 mpg UK
BMWZ4 Coupe (E86)M 3.2
241 hp/t
179 kW/t
4.2 kg/hp
12.1 L/100 km
19.4 mpg US
23.3 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMWZ4 (G29)M40iBMWZ4 Coupe (E86)M 3.2
Power
340 hp
254 kW
343 hp
256 kW
Torque
500 Nm
369 lb-ft
365 Nm
269 lb-ft
Acceleration
4.5 s
5.0 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Lightness
1,535 kg
3,384 lb
1,425 kg
3,142 lb
Fuel consumption
7.4 L/100 km
31.8 mpg US
38.2 mpg UK
12.1 L/100 km
19.4 mpg US
23.3 mpg UK
Practicality
Doors/seats
2 doors
2 seats
Trunk
281 L
9.9 cu ft
Length
4,324 mm
170.2 in
Height
1,304 mm
51.3 in
Doors/seats
2 doors
2 seats
Trunk
245 L
8.7 cu ft
Length
4,113 mm
161.9 in
Height
1,271 mm
50.0 in
Range score
703 km
437 mi
455 km
282 mi
CO2 score
168 g/km
-
Trunk score
281 L
9.9 cu ft
245 L
8.7 cu ft
Power-to-weight score
221 hp/t
165 kW/t
4.5 kg/hp
241 hp/t
179 kW/t
4.2 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 Z4 (G29) M40iBMW Z4 Coupe (E86) M 3.2
Consumption7.4 L/100 km31.8 mpg US38.2 mpg UK12.1 L/100 km19.4 mpg US23.3 mpg UK
Cost / 100 km12.95 LC100 km21.18 LC100 km
Cost / 100 mi20.84 LC100 mi34.08 LC100 mi
Annual fuel used1,110 L293 US gal244 UK gal1,815 L479 US gal399 UK gal
Annual fuel cost1,943 LC/year3,176 LC/year

Head-to-head comparisons

BMW Z4 (G29) M40i

  • Has 135 Nm more
  • Is 0.5 s quicker from 0-100 km/h
  • Uses 4.7 L/100 km less fuel
  • Has 248 km (154 mi) more estimated range
  • Has 36 L more trunk volume

Pros

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

Cons

  • Lowest power
  • Heaviest

BMW Z4 Coupe (E86) M 3.2

  • Has 3 hp more
  • Is 110 kg lighter
  • Has 19 hp/t better power-to-weight

Pros

  • Most powerful
  • 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 Z4 (G29) M40i
BMW Z4 Coupe (E86) M 3.2
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