Car comparison

BMW Z4 (G29) 30i · Stage 3vsBMW Z4 (G29) 30i · Stage 2vsBMW Z4 (G29) 30i · Stage 1vsBMW Z4 (G29) 30i

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

New comparison

BMW Z4 (G29)

30i (Stage 3)

387 hp1998 ccGasolineRWDAutomaticTurbochargedRoadster2018-2022
VS

BMW Z4 (G29)

30i (Stage 2)

335 hp1998 ccGasolineRWDAutomaticTurbochargedRoadster2018-2022
VS

BMW Z4 (G29)

30i (Stage 1)

304 hp1998 ccGasolineRWDAutomaticTurbochargedRoadster2018-2022
VS

BMW Z4 (G29)

30i

258 hp1998 ccGasolineRWDAutomaticTurbochargedRoadster2018-2022

Comparison overview

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

Best choices

BMW Z4 (G29) 30i (Stage 3) 387 hp

  • Quickest 0-100 km/h
    4.2 s
  • Fastest top speed
    292 km/h
    181 mph
  • Most powerful
    387 hp
    289 kW
  • Highest torque
    620 Nm
    457 lb-ft
  • Lightest
    1,415 kg
    3,120 lb
  • Best power-to-weight
    273 hp/t
    204 kW/t
    3.7 kg/hp
  • Lowest combined fuel consumption
    6.1 L/100 km
    38.6 mpg US
    46.3 mpg UK
  • Lowest city consumption
    7.4 L/100 km
    31.8 mpg US
    38.2 mpg UK
  • Lowest highway consumption
    5.3 L/100 km
    44.4 mpg US
    53.3 mpg UK
  • Lowest CO2 emissions
    139 g/km
  • Best estimated range
    852 km
    530 mi
  • Largest trunk
    281 L
  • Best overall score
    66/100
  • Best performance score
    82/100
  • Best economy score
    90/100
  • Best practicality score
    32/100

Specification comparison

Specification comparison
ModelBMWZ4 (G29)30i (Stage 3)387 hpBMWZ4 (G29)30i (Stage 2)335 hpBMWZ4 (G29)30i (Stage 1)304 hpBMWZ4 (G29)30i258 hp
Power
387hp289kW+129 hp
335hp250kW+77 hp
304hp227kW+46 hp
258hp192kW
Torque
620Nm457lb-ft+220 Nm
540Nm398lb-ft+140 Nm
488Nm360lb-ft+88 Nm
400Nm295lb-ft
Curb weight
1,415kg3,120lb
1,415kg3,120lb
1,415kg3,120lb
1,415kg3,120lb
Gross weight
1,740kg3,836lb
1,740kg3,836lb
1,740kg3,836lb
1,740kg3,836lb
Top speed
292 km/h
181 mph
+32 km/h
Unrestricted
290 km/h180 mph
Restricted
280 km/h174 mph
+30 km/h
Calculated
273 km/h
170 mph
+13 km/h
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
55.5s99% target: 289 km/h / 180 mph-12.4 s
Calculated
63.0s99% target: 287 km/h / 178 mph-4.9 s
Calculated
63.1s99% target: 270 km/h / 168 mph-4.8 s
Calculated
67.9s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
4.2s-1.2 s
4.6s-0.8 s
4.9s-0.5 s
5.4s
0-200 km/h
12.5s-6.2 s
Calculated
14.0s-4.7 s
Calculated
15.8s-2.9 s
Calculated
18.7s
Calculated
0-60 mph
4.0s-1.1 s
Calculated
4.4s-0.8 s
Calculated
4.6s-0.5 s
Calculated
5.1s
Calculated
Fuel consumption
6.1L/100 km38.6mpg US46.3mpg UK
6.1L/100 km38.6mpg US46.3mpg UK
6.1L/100 km38.6mpg US46.3mpg UK
6.1L/100 km38.6mpg US46.3mpg UK
Fuel consumption city
7.4L/100 km31.8mpg US38.2mpg UK
7.4L/100 km31.8mpg US38.2mpg UK
7.4L/100 km31.8mpg US38.2mpg UK
7.4L/100 km31.8mpg US38.2mpg UK
Fuel consumption highway
5.3L/100 km44.4mpg US53.3mpg UK
5.3L/100 km44.4mpg US53.3mpg UK
5.3L/100 km44.4mpg US53.3mpg UK
5.3L/100 km44.4mpg US53.3mpg UK
Quarter mile
12.1s-1.4 s
Calculated
12.5s-1.0 s
Calculated
12.9s-0.6 s
Calculated
13.5s
Calculated
Power-to-weight
273hp/t204kW/t124hp/1000 lb
Calculated
237hp/t177kW/t108hp/1000 lb
Calculated
215hp/t160kW/t98hp/1000 lb
Calculated
182hp/t136kW/t83hp/1000 lb
Calculated
Torque-to-weight
438Nm/t293lb-ft/ton
Calculated
382Nm/t255lb-ft/ton
Calculated
345Nm/t231lb-ft/ton
Calculated
283Nm/t189lb-ft/ton
Calculated
Estimated range
852km530mi
Calculated
852km530mi
Calculated
852km530mi
Calculated
852km530mi
Calculated
Displacement
1,998cc122cu in
1,998cc122cu in
1,998cc122cu in
1,998cc122cu in
Length
4,324mm170in
4,324mm170in
4,324mm170in
4,324mm170in
Width
1,864mm73in
1,864mm73in
1,864mm73in
1,864mm73in
Height
1,304mm51in
1,304mm51in
1,304mm51in
1,304mm51in
Wheelbase
2,470mm97in
2,470mm97in
2,470mm97in
2,470mm97in
Front track
1,609mm63in
1,609mm63in
1,609mm63in
1,609mm63in
Rear track
1,616mm64in
1,616mm64in
1,616mm64in
1,616mm64in
Ground clearance
117mm5in
117mm5in
117mm5in
117mm5in
Trunk volume
281L
281L
281L
281L
Doors
2
2
2
2
Seats
2
2
2
2
Fuel tank
52L
52L
52L
52L
CO2 emissions
139g/km
139g/km
139g/km
139g/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) 30i (Stage 3) 387 hpBMW Z4 (G29) 30i (Stage 2) 335 hpBMW Z4 (G29) 30i (Stage 1) 304 hpBMW Z4 (G29) 30i 258 hpPowerTorque
  • BMW Z4 (G29) 30i (Stage 3) 387 hp: Power / Torque
  • BMW Z4 (G29) 30i (Stage 2) 335 hp: Power / Torque
  • BMW Z4 (G29) 30i (Stage 1) 304 hp: Power / Torque
  • BMW Z4 (G29) 30i 258 hp: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMWZ4 (G29)30i (Stage 3)387 hp5,000-6,500 rpm1,550-4,400 rpm6,750 rpm
BMWZ4 (G29)30i (Stage 2)335 hp5,000-6,500 rpm1,550-4,400 rpm6,750 rpm
BMWZ4 (G29)30i (Stage 1)304 hp5,000-6,500 rpm1,550-4,400 rpm6,750 rpm
BMWZ4 (G29)30i258 hp5,000-6,500 rpm1,550-4,400 rpm6,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMWZ4 (G29)30i (Stage 3)387 hpBMWZ4 (G29)30i (Stage 2)335 hpBMWZ4 (G29)30i (Stage 1)304 hpBMWZ4 (G29)30i258 hp
Acceleration checkpoints
0-60 mph
0-97 km/h
4.0 s
4.4 s
4.6 s
5.1 s
0-100 km/h
0-62 mph
4.2 s
4.6 s
4.9 s
5.4 s
0-200 km/h
0-124 mph
12.5 s
14.0 s
15.8 s
18.7 s
Top speed
292 km/h
181 mph
Unrestricted
290 km/h180 mph
Restricted
280 km/h174 mph
Likely limited
273 km/h
170 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Likely limited
Drag race simulation
60 ft
18 m
2.1 s
2.2 s
2.2 s
2.3 s
330 ft
101 m
5.4 s
5.6 s
5.7 s
5.9 s
1/8 mile
201 m
8.0 s
8.3 s
8.5 s
8.9 s
1000 ft
305 m
10.2 s
10.6 s
10.9 s
11.4 s
1/4 mile
402 m
12.1 s
12.5 s
12.9 s
13.5 s
Trap speed
1/4 mile
402 m
197 km/h
122 mph
189 km/h
118 mph
182 km/h
113 mph
173 km/h
108 mph

Power comparison

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

Chart data table
VehicleValue
BMWZ4 (G29)30i (Stage 3)387 hp
387 hp
289 kW
BMWZ4 (G29)30i (Stage 2)335 hp
335 hp
250 kW
BMWZ4 (G29)30i (Stage 1)304 hp
304 hp
227 kW
BMWZ4 (G29)30i258 hp
258 hp
192 kW

BMW Z4 (G29) 30i (Stage 3) 387 hp has 129 hp more than BMW Z4 (G29) 30i 258 hp.

The biggest power difference is between BMW Z4 (G29) 30i 258 hp and BMW Z4 (G29) 30i (Stage 3) 387 hp: 129 hp (96 kW).

Torque comparison

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

Chart data table
VehicleValue
BMWZ4 (G29)30i (Stage 3)387 hp
620 Nm
457 lb-ft
BMWZ4 (G29)30i (Stage 2)335 hp
540 Nm
398 lb-ft
BMWZ4 (G29)30i (Stage 1)304 hp
488 Nm
360 lb-ft
BMWZ4 (G29)30i258 hp
400 Nm
295 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
BMWZ4 (G29)30i (Stage 3)387 hp
1,415 kg
3,120 lb
BMWZ4 (G29)30i (Stage 2)335 hp
1,415 kg
3,120 lb
BMWZ4 (G29)30i (Stage 1)304 hp
1,415 kg
3,120 lb
BMWZ4 (G29)30i258 hp
1,415 kg
3,120 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)30i (Stage 3)387 hp
292 km/h
181 mph
BMWZ4 (G29)30i (Stage 2)335 hp
Unrestricted
290 km/h180 mph
Restricted
280 km/h174 mph
BMWZ4 (G29)30i (Stage 1)304 hp
273 km/h
170 mph
BMWZ4 (G29)30i258 hp
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

The biggest 0-100 km/h difference is between BMW Z4 (G29) 30i (Stage 3) 387 hp and BMW Z4 (G29) 30i 258 hp: 1.2 s.

The closest cars by acceleration are BMW Z4 (G29) 30i (Stage 2) 335 hp and BMW Z4 (G29) 30i (Stage 1) 304 hp, separated by only 0.3 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)30i (Stage 3)387 hp
6.1 L/100 km
38.6 mpg US
46.3 mpg UK
BMWZ4 (G29)30i (Stage 2)335 hp
6.1 L/100 km
38.6 mpg US
46.3 mpg UK
BMWZ4 (G29)30i (Stage 1)304 hp
6.1 L/100 km
38.6 mpg US
46.3 mpg UK
BMWZ4 (G29)30i258 hp
6.1 L/100 km
38.6 mpg US
46.3 mpg UK

Power-to-weight comparison

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

Chart data table
VehicleValue
BMWZ4 (G29)30i (Stage 3)387 hp
273 hp/t
204 kW/t
3.7 kg/hp
BMWZ4 (G29)30i (Stage 2)335 hp
237 hp/t
177 kW/t
4.2 kg/hp
BMWZ4 (G29)30i (Stage 1)304 hp
215 hp/t
160 kW/t
4.6 kg/hp
BMWZ4 (G29)30i258 hp
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
BMWZ4 (G29)30i (Stage 3)387 hp
852 km
530 mi
BMWZ4 (G29)30i (Stage 2)335 hp
852 km
530 mi
BMWZ4 (G29)30i (Stage 1)304 hp
852 km
530 mi
BMWZ4 (G29)30i258 hp
852 km
530 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMWZ4 (G29)30i (Stage 3)387 hp
387 hp
289 kW
4.2 s
292 km/h
181 mph
BMWZ4 (G29)30i (Stage 2)335 hp
335 hp
250 kW
4.6 s
Unrestricted
290 km/h180 mph
Restricted
280 km/h174 mph
BMWZ4 (G29)30i (Stage 1)304 hp
304 hp
227 kW
4.9 s
273 km/h
170 mph
BMWZ4 (G29)30i258 hp
258 hp
192 kW
5.4 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 (G29)30i (Stage 3)387 hp
Power
387 hp
289 kW
0-100 km/h4.2 s
Top speed
292 km/h
181 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 (G29)30i (Stage 2)335 hp
Power
335 hp
250 kW
0-100 km/h4.6 s
Top speed
Unrestricted
290 km/h180 mph
Restricted
280 km/h174 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 (G29)30i (Stage 1)304 hp
Power
304 hp
227 kW
0-100 km/h4.9 s
Top speed
273 km/h
170 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 (G29)30i258 hp
Power
258 hp
192 kW
0-100 km/h5.4 s
Top speed
Unrestricted
260 km/h162 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

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)30i (Stage 3)387 hp
Power
387 hp
289 kW
0-100 km/h4.2 s
Top speed
292 km/h
181 mph
6.1 L/100 km
38.6 mpg US
46.3 mpg UK
BMWZ4 (G29)30i (Stage 2)335 hp
Power
335 hp
250 kW
0-100 km/h4.6 s
Top speed
Unrestricted
290 km/h180 mph
Restricted
280 km/h174 mph
6.1 L/100 km
38.6 mpg US
46.3 mpg UK
BMWZ4 (G29)30i (Stage 1)304 hp
Power
304 hp
227 kW
0-100 km/h4.9 s
Top speed
273 km/h
170 mph
6.1 L/100 km
38.6 mpg US
46.3 mpg UK
BMWZ4 (G29)30i258 hp
Power
258 hp
192 kW
0-100 km/h5.4 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
6.1 L/100 km
38.6 mpg US
46.3 mpg UK

BMW Z4 (G29) 30i (Stage 3) 387 hp 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)30i (Stage 3)387 hp
6.1 L/100 km
38.6 mpg US
46.3 mpg UK
4.2 s
BMWZ4 (G29)30i (Stage 2)335 hp
6.1 L/100 km
38.6 mpg US
46.3 mpg UK
4.6 s
BMWZ4 (G29)30i (Stage 1)304 hp
6.1 L/100 km
38.6 mpg US
46.3 mpg UK
4.9 s
BMWZ4 (G29)30i258 hp
6.1 L/100 km
38.6 mpg US
46.3 mpg UK
5.4 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)30i (Stage 3)387 hp
273 hp/t
204 kW/t
3.7 kg/hp
6.1 L/100 km
38.6 mpg US
46.3 mpg UK
BMWZ4 (G29)30i (Stage 2)335 hp
237 hp/t
177 kW/t
4.2 kg/hp
6.1 L/100 km
38.6 mpg US
46.3 mpg UK
BMWZ4 (G29)30i (Stage 1)304 hp
215 hp/t
160 kW/t
4.6 kg/hp
6.1 L/100 km
38.6 mpg US
46.3 mpg UK
BMWZ4 (G29)30i258 hp
182 hp/t
136 kW/t
5.5 kg/hp
6.1 L/100 km
38.6 mpg US
46.3 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMWZ4 (G29)30i (Stage 3)387 hpBMWZ4 (G29)30i (Stage 2)335 hpBMWZ4 (G29)30i (Stage 1)304 hpBMWZ4 (G29)30i258 hp
Power
387 hp
289 kW
335 hp
250 kW
304 hp
227 kW
258 hp
192 kW
Torque
620 Nm
457 lb-ft
540 Nm
398 lb-ft
488 Nm
360 lb-ft
400 Nm
295 lb-ft
Acceleration
4.2 s
4.6 s
4.9 s
5.4 s
Top speed
292 km/h
181 mph
Unrestricted
290 km/h180 mph
Restricted
280 km/h174 mph
273 km/h
170 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
1,415 kg
3,120 lb
1,415 kg
3,120 lb
1,415 kg
3,120 lb
1,415 kg
3,120 lb
Fuel consumption
6.1 L/100 km
38.6 mpg US
46.3 mpg UK
6.1 L/100 km
38.6 mpg US
46.3 mpg UK
6.1 L/100 km
38.6 mpg US
46.3 mpg UK
6.1 L/100 km
38.6 mpg US
46.3 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
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
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
281 L
9.9 cu ft
Length
4,324 mm
170.2 in
Height
1,304 mm
51.3 in
Range score
852 km
530 mi
852 km
530 mi
852 km
530 mi
852 km
530 mi
CO2 score
139 g/km
139 g/km
139 g/km
139 g/km
Trunk score
281 L
9.9 cu ft
281 L
9.9 cu ft
281 L
9.9 cu ft
281 L
9.9 cu ft
Power-to-weight score
273 hp/t
204 kW/t
3.7 kg/hp
237 hp/t
177 kW/t
4.2 kg/hp
215 hp/t
160 kW/t
4.6 kg/hp
182 hp/t
136 kW/t
5.5 kg/hp
Overall
Fixed score
Fixed score
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) 30i (Stage 3) 387 hpBMW Z4 (G29) 30i (Stage 2) 335 hpBMW Z4 (G29) 30i (Stage 1) 304 hpBMW Z4 (G29) 30i 258 hp
Consumption6.1 L/100 km38.6 mpg US46.3 mpg UK6.1 L/100 km38.6 mpg US46.3 mpg UK6.1 L/100 km38.6 mpg US46.3 mpg UK6.1 L/100 km38.6 mpg US46.3 mpg UK
Cost / 100 km10.67 LC100 km10.67 LC100 km10.67 LC100 km10.67 LC100 km
Cost / 100 mi17.18 LC100 mi17.18 LC100 mi17.18 LC100 mi17.18 LC100 mi
Annual fuel used915 L242 US gal201 UK gal915 L242 US gal201 UK gal915 L242 US gal201 UK gal915 L242 US gal201 UK gal
Annual fuel cost1,601 LC/year1,601 LC/year1,601 LC/year1,601 LC/year

Head-to-head comparisons

BMW Z4 (G29) 30i (Stage 3) 387 hp

  • Has 52 hp more
  • Has 80 Nm more
  • Is 0.4 s quicker from 0-100 km/h
  • Has 2 km/h (1 mph) higher top speed
  • Has 36 hp/t better power-to-weight

Pros

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

Cons

  • Highest CO2 emissions

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BMW Z4 (G29) 30i · Stage 3 vs BMW Z4 (G29) 30i · Stage 2 vs BMW Z4 (G29) 30i · Stage 1 vs BMW Z4 (G29) 30i - car comparison - FastVsFaster