Car comparison

BMW Z4 (G29) 20i · Stage 3vsBMW Z4 (G29) 20i · Stage 2vsBMW Z4 (G29) 20i · Stage 1vsBMW Z4 (G29) 20i

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

New comparison

BMW Z4 (G29)

20i (Stage 3)

296 hp1998 ccGasolineRWDAutomaticTurbochargedRoadster2018-2022
VS

BMW Z4 (G29)

20i (Stage 2)

256 hp1998 ccGasolineRWDAutomaticTurbochargedRoadster2018-2022
VS

BMW Z4 (G29)

20i (Stage 1)

232 hp1998 ccGasolineRWDAutomaticTurbochargedRoadster2018-2022
VS

BMW Z4 (G29)

20i

197 hp1998 ccGasolineRWDAutomaticTurbochargedRoadster2018-2022

Comparison overview

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

Best choices

BMW Z4 (G29) 20i (Stage 3) 296 hp

  • Quickest 0-100 km/h
    5.1 s
  • Fastest top speed
    281 km/h
    175 mph
  • Most powerful
    296 hp
    220 kW
  • Highest torque
    496 Nm
    366 lb-ft
  • Lightest
    1,430 kg
    3,153 lb
  • Best power-to-weight
    207 hp/t
    154 kW/t
    4.8 kg/hp
  • Lowest combined fuel consumption
    6.0 L/100 km
    39.2 mpg US
    47.1 mpg UK
  • Lowest city consumption
    7.2 L/100 km
    32.7 mpg US
    39.2 mpg UK
  • Lowest highway consumption
    5.2 L/100 km
    45.2 mpg US
    54.3 mpg UK
  • Best estimated range
    867 km
    539 mi
  • Largest trunk
    281 L
  • Best overall score
    59/100
  • Best performance score
    71/100
  • Best economy score
    91/100
  • Best practicality score
    32/100

Specification comparison

Specification comparison
ModelBMWZ4 (G29)20i (Stage 3)296 hpBMWZ4 (G29)20i (Stage 2)256 hpBMWZ4 (G29)20i (Stage 1)232 hpBMWZ4 (G29)20i197 hp
Power
296hp220kW+99 hp
256hp191kW+59 hp
232hp173kW+35 hp
197hp147kW
Torque
496Nm366lb-ft+176 Nm
432Nm319lb-ft+112 Nm
390Nm288lb-ft+70 Nm
320Nm236lb-ft
Curb weight
1,430kg3,153lb
1,430kg3,153lb
1,430kg3,153lb
1,430kg3,153lb
Gross weight
1,740kg3,836lb
1,740kg3,836lb
1,740kg3,836lb
1,740kg3,836lb
Top speed
281 km/h
175 mph
+41 km/h
269 km/h
167 mph
+29 km/h
260 km/h
162 mph
+20 km/h
240 km/h
149 mph
To 99% top speed
69.9s99% target: 278 km/h / 173 mph-8.0 s
Calculated
74.4s99% target: 266 km/h / 165 mph-3.5 s
Calculated
76.8s99% target: 257 km/h / 160 mph-1.1 s
Calculated
77.9s99% target: 238 km/h / 148 mph
Calculated
0-100 km/h
5.1s-1.5 s
5.6s-1.0 s
6.0s-0.6 s
6.6s
0-200 km/h
16.3s-10.0 s
Calculated
18.8s-7.5 s
Calculated
20.9s-5.4 s
Calculated
26.3s
Calculated
0-60 mph
4.9s-1.4 s
Calculated
5.3s-0.9 s
Calculated
5.7s-0.6 s
Calculated
6.3s
Calculated
Fuel consumption
6L/100 km39.2mpg US47.1mpg UK
6L/100 km39.2mpg US47.1mpg UK
6L/100 km39.2mpg US47.1mpg UK
6L/100 km39.2mpg US47.1mpg UK
Fuel consumption city
7.2L/100 km32.7mpg US39.2mpg UK
7.2L/100 km32.7mpg US39.2mpg UK
7.2L/100 km32.7mpg US39.2mpg UK
7.2L/100 km32.7mpg US39.2mpg UK
Fuel consumption highway
5.2L/100 km45.2mpg US54.3mpg UK
5.2L/100 km45.2mpg US54.3mpg UK
5.2L/100 km45.2mpg US54.3mpg UK
5.2L/100 km45.2mpg US54.3mpg UK
Quarter mile
13.1s-1.5 s
Calculated
13.7s-1.0 s
Calculated
14.0s-0.6 s
Calculated
14.6s
Calculated
Power-to-weight
207hp/t154kW/t94hp/1000 lb
Calculated
179hp/t134kW/t81hp/1000 lb
Calculated
163hp/t121kW/t74hp/1000 lb
Calculated
138hp/t103kW/t62hp/1000 lb
Calculated
Torque-to-weight
347Nm/t232lb-ft/ton
Calculated
302Nm/t202lb-ft/ton
Calculated
273Nm/t183lb-ft/ton
Calculated
224Nm/t150lb-ft/ton
Calculated
Estimated range
867km539mi
Calculated
867km539mi
Calculated
867km539mi
Calculated
867km539mi
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

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) 20i (Stage 3) 296 hpBMW Z4 (G29) 20i (Stage 2) 256 hpBMW Z4 (G29) 20i (Stage 1) 232 hpBMW Z4 (G29) 20i 197 hpPowerTorque
  • BMW Z4 (G29) 20i (Stage 3) 296 hp: Power / Torque
  • BMW Z4 (G29) 20i (Stage 2) 256 hp: Power / Torque
  • BMW Z4 (G29) 20i (Stage 1) 232 hp: Power / Torque
  • BMW Z4 (G29) 20i 197 hp: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMWZ4 (G29)20i (Stage 3)296 hp4,500-6,500 rpm1,450-4,200 rpm6,750 rpm
BMWZ4 (G29)20i (Stage 2)256 hp4,500-6,500 rpm1,450-4,200 rpm6,750 rpm
BMWZ4 (G29)20i (Stage 1)232 hp4,500-6,500 rpm1,450-4,200 rpm6,750 rpm
BMWZ4 (G29)20i197 hp4,500-6,500 rpm1,450-4,200 rpm6,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMWZ4 (G29)20i (Stage 3)296 hpBMWZ4 (G29)20i (Stage 2)256 hpBMWZ4 (G29)20i (Stage 1)232 hpBMWZ4 (G29)20i197 hp
Acceleration checkpoints
0-60 mph
0-97 km/h
4.9 s
5.3 s
5.7 s
6.3 s
0-100 km/h
0-62 mph
5.1 s
5.6 s
6.0 s
6.6 s
0-200 km/h
0-124 mph
16.3 s
18.8 s
20.9 s
26.3 s
Top speed
281 km/h
175 mph
269 km/h
167 mph
260 km/h
162 mph
240 km/h
149 mph
Drag race simulation
60 ft
18 m
2.3 s
2.3 s
2.4 s
2.4 s
330 ft
101 m
5.8 s
6.0 s
6.2 s
6.4 s
1/8 mile
201 m
8.7 s
9.0 s
9.2 s
9.6 s
1000 ft
305 m
11.1 s
11.5 s
11.8 s
12.3 s
1/4 mile
402 m
13.1 s
13.7 s
14.0 s
14.6 s
Trap speed
1/4 mile
402 m
180 km/h
112 mph
172 km/h
107 mph
167 km/h
104 mph
158 km/h
98 mph

Power comparison

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

Chart data table
VehicleValue
BMWZ4 (G29)20i (Stage 3)296 hp
296 hp
220 kW
BMWZ4 (G29)20i (Stage 2)256 hp
256 hp
191 kW
BMWZ4 (G29)20i (Stage 1)232 hp
232 hp
173 kW
BMWZ4 (G29)20i197 hp
197 hp
147 kW

BMW Z4 (G29) 20i (Stage 3) 296 hp has 99 hp more than BMW Z4 (G29) 20i 197 hp.

The biggest power difference is between BMW Z4 (G29) 20i 197 hp and BMW Z4 (G29) 20i (Stage 3) 296 hp: 99 hp (73 kW).

Torque comparison

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

Chart data table
VehicleValue
BMWZ4 (G29)20i (Stage 3)296 hp
496 Nm
366 lb-ft
BMWZ4 (G29)20i (Stage 2)256 hp
432 Nm
319 lb-ft
BMWZ4 (G29)20i (Stage 1)232 hp
390 Nm
288 lb-ft
BMWZ4 (G29)20i197 hp
320 Nm
236 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
BMWZ4 (G29)20i (Stage 3)296 hp
1,430 kg
3,153 lb
BMWZ4 (G29)20i (Stage 2)256 hp
1,430 kg
3,153 lb
BMWZ4 (G29)20i (Stage 1)232 hp
1,430 kg
3,153 lb
BMWZ4 (G29)20i197 hp
1,430 kg
3,153 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)20i (Stage 3)296 hp
281 km/h
175 mph
BMWZ4 (G29)20i (Stage 2)256 hp
269 km/h
167 mph
BMWZ4 (G29)20i (Stage 1)232 hp
260 km/h
162 mph
BMWZ4 (G29)20i197 hp
240 km/h
149 mph

0-100 km/h comparison

Bar comparison chart for 0-100 km/h. Lower is better · seconds

Chart data table
VehicleValue
BMWZ4 (G29)20i (Stage 3)296 hp5.1 s
BMWZ4 (G29)20i (Stage 2)256 hp5.6 s
BMWZ4 (G29)20i (Stage 1)232 hp6.0 s
BMWZ4 (G29)20i197 hp6.6 s

The biggest 0-100 km/h difference is between BMW Z4 (G29) 20i (Stage 3) 296 hp and BMW Z4 (G29) 20i 197 hp: 1.5 s.

The closest cars by acceleration are BMW Z4 (G29) 20i (Stage 2) 256 hp and BMW Z4 (G29) 20i (Stage 1) 232 hp, separated by only 0.4 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)20i (Stage 3)296 hp
6.0 L/100 km
39.2 mpg US
47.1 mpg UK
BMWZ4 (G29)20i (Stage 2)256 hp
6.0 L/100 km
39.2 mpg US
47.1 mpg UK
BMWZ4 (G29)20i (Stage 1)232 hp
6.0 L/100 km
39.2 mpg US
47.1 mpg UK
BMWZ4 (G29)20i197 hp
6.0 L/100 km
39.2 mpg US
47.1 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)20i (Stage 3)296 hp
207 hp/t
154 kW/t
4.8 kg/hp
BMWZ4 (G29)20i (Stage 2)256 hp
179 hp/t
134 kW/t
5.6 kg/hp
BMWZ4 (G29)20i (Stage 1)232 hp
163 hp/t
121 kW/t
6.2 kg/hp
BMWZ4 (G29)20i197 hp
138 hp/t
103 kW/t
7.3 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
BMWZ4 (G29)20i (Stage 3)296 hp
867 km
539 mi
BMWZ4 (G29)20i (Stage 2)256 hp
867 km
539 mi
BMWZ4 (G29)20i (Stage 1)232 hp
867 km
539 mi
BMWZ4 (G29)20i197 hp
867 km
539 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMWZ4 (G29)20i (Stage 3)296 hp
296 hp
220 kW
5.1 s
281 km/h
175 mph
BMWZ4 (G29)20i (Stage 2)256 hp
256 hp
191 kW
5.6 s
269 km/h
167 mph
BMWZ4 (G29)20i (Stage 1)232 hp
232 hp
173 kW
6.0 s
260 km/h
162 mph
BMWZ4 (G29)20i197 hp
197 hp
147 kW
6.6 s
240 km/h
149 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)20i (Stage 3)296 hp
Power
296 hp
220 kW
0-100 km/h5.1 s
Top speed
281 km/h
175 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)20i (Stage 2)256 hp
Power
256 hp
191 kW
0-100 km/h5.6 s
Top speed
269 km/h
167 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)20i (Stage 1)232 hp
Power
232 hp
173 kW
0-100 km/h6.0 s
Top speed
260 km/h
162 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)20i197 hp
Power
197 hp
147 kW
0-100 km/h6.6 s
Top speed
240 km/h
149 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)20i (Stage 3)296 hp
Power
296 hp
220 kW
0-100 km/h5.1 s
Top speed
281 km/h
175 mph
6.0 L/100 km
39.2 mpg US
47.1 mpg UK
BMWZ4 (G29)20i (Stage 2)256 hp
Power
256 hp
191 kW
0-100 km/h5.6 s
Top speed
269 km/h
167 mph
6.0 L/100 km
39.2 mpg US
47.1 mpg UK
BMWZ4 (G29)20i (Stage 1)232 hp
Power
232 hp
173 kW
0-100 km/h6.0 s
Top speed
260 km/h
162 mph
6.0 L/100 km
39.2 mpg US
47.1 mpg UK
BMWZ4 (G29)20i197 hp
Power
197 hp
147 kW
0-100 km/h6.6 s
Top speed
240 km/h
149 mph
6.0 L/100 km
39.2 mpg US
47.1 mpg UK

BMW Z4 (G29) 20i (Stage 3) 296 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)20i (Stage 3)296 hp
6.0 L/100 km
39.2 mpg US
47.1 mpg UK
5.1 s
BMWZ4 (G29)20i (Stage 2)256 hp
6.0 L/100 km
39.2 mpg US
47.1 mpg UK
5.6 s
BMWZ4 (G29)20i (Stage 1)232 hp
6.0 L/100 km
39.2 mpg US
47.1 mpg UK
6.0 s
BMWZ4 (G29)20i197 hp
6.0 L/100 km
39.2 mpg US
47.1 mpg UK
6.6 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)20i (Stage 3)296 hp
207 hp/t
154 kW/t
4.8 kg/hp
6.0 L/100 km
39.2 mpg US
47.1 mpg UK
BMWZ4 (G29)20i (Stage 2)256 hp
179 hp/t
134 kW/t
5.6 kg/hp
6.0 L/100 km
39.2 mpg US
47.1 mpg UK
BMWZ4 (G29)20i (Stage 1)232 hp
163 hp/t
121 kW/t
6.2 kg/hp
6.0 L/100 km
39.2 mpg US
47.1 mpg UK
BMWZ4 (G29)20i197 hp
138 hp/t
103 kW/t
7.3 kg/hp
6.0 L/100 km
39.2 mpg US
47.1 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMWZ4 (G29)20i (Stage 3)296 hpBMWZ4 (G29)20i (Stage 2)256 hpBMWZ4 (G29)20i (Stage 1)232 hpBMWZ4 (G29)20i197 hp
Power
296 hp
220 kW
256 hp
191 kW
232 hp
173 kW
197 hp
147 kW
Torque
496 Nm
366 lb-ft
432 Nm
319 lb-ft
390 Nm
288 lb-ft
320 Nm
236 lb-ft
Acceleration
5.1 s
5.6 s
6.0 s
6.6 s
Top speed
281 km/h
175 mph
269 km/h
167 mph
260 km/h
162 mph
240 km/h
149 mph
Lightness
1,430 kg
3,153 lb
1,430 kg
3,153 lb
1,430 kg
3,153 lb
1,430 kg
3,153 lb
Fuel consumption
6.0 L/100 km
39.2 mpg US
47.1 mpg UK
6.0 L/100 km
39.2 mpg US
47.1 mpg UK
6.0 L/100 km
39.2 mpg US
47.1 mpg UK
6.0 L/100 km
39.2 mpg US
47.1 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
867 km
539 mi
867 km
539 mi
867 km
539 mi
867 km
539 mi
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
207 hp/t
154 kW/t
4.8 kg/hp
179 hp/t
134 kW/t
5.6 kg/hp
163 hp/t
121 kW/t
6.2 kg/hp
138 hp/t
103 kW/t
7.3 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) 20i (Stage 3) 296 hpBMW Z4 (G29) 20i (Stage 2) 256 hpBMW Z4 (G29) 20i (Stage 1) 232 hpBMW Z4 (G29) 20i 197 hp
Consumption6 L/100 km39.2 mpg US47.1 mpg UK6 L/100 km39.2 mpg US47.1 mpg UK6 L/100 km39.2 mpg US47.1 mpg UK6 L/100 km39.2 mpg US47.1 mpg UK
Cost / 100 km10.50 LC100 km10.50 LC100 km10.50 LC100 km10.50 LC100 km
Cost / 100 mi16.90 LC100 mi16.90 LC100 mi16.90 LC100 mi16.90 LC100 mi
Annual fuel used900 L238 US gal198 UK gal900 L238 US gal198 UK gal900 L238 US gal198 UK gal900 L238 US gal198 UK gal
Annual fuel cost1,575 LC/year1,575 LC/year1,575 LC/year1,575 LC/year

Head-to-head comparisons

BMW Z4 (G29) 20i (Stage 3) 296 hp

  • Has 39 hp more
  • Has 64 Nm more
  • Is 0.5 s quicker from 0-100 km/h
  • Has 12 km/h (7 mph) higher top speed
  • Has 28 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

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Engine or modification
BMW Z4 (G29) 20i
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BMW Z4 (G29) 20i · Stage 3 vs BMW Z4 (G29) 20i · Stage 2 vs BMW Z4 (G29) 20i · Stage 1 vs BMW Z4 (G29) 20i - car comparison - FastVsFaster