Car comparison

BMW Z4 (G29) 20ivsLotus Elise (SERIES 3) · Facelift 2017 Sport 220 1.8

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

New comparison

BMW Z4 (G29)

20i

197 hp1998 ccGasolineRWDManualTurbochargedRoadster2018-2022
VS

Lotus Elise (SERIES 3) · Facelift 2017

Sport 220 1.8

220 hp1798 ccGasolineRWDManualSuperchargedRoadster2017-2021

Comparison overview

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

Best choices

BMW Z4 (G29) 20i

  • Fastest top speed
    241 km/h
    150 mph
  • Highest torque
    320 Nm
    236 lb-ft
  • Lowest combined fuel consumption
    6.9 L/100 km
    34.1 mpg US
    40.9 mpg UK
  • Lowest city consumption
    9.1 L/100 km
    25.8 mpg US
    31.0 mpg UK
  • Lowest highway consumption
    5.6 L/100 km
    42.0 mpg US
    50.4 mpg UK
  • Best estimated range
    754 km
    468 mi
  • Best economy score
    88/100
  • Best practicality score
    32/100

Specification comparison

Specification comparison
ModelBMWZ4 (G29)20iLotusElise (SERIES 3)Facelift 2017Sport 220 1.8
Power
197hp147kW
220hp164kW
Torque
320Nm236lb-ft
250Nm184lb-ft
Curb weight
1,420kg3,131lb
904kg1,993lb
Gross weight
1,725kg3,803lb
-
Top speed
241 km/h
150 mph
234 km/h
145 mph
To 99% top speed
80.6s99% target: 239 km/h / 148 mph
Calculated
43.7s99% target: 232 km/h / 144 mph
Calculated
0-100 km/h
6.8s
4.6s
0-200 km/h
26.9s
Calculated
17.3s
Calculated
0-60 mph
6.5s
Calculated
4.4s
Calculated
Fuel consumption
6.9L/100 km34.1mpg US40.9mpg UK
7.5L/100 km31.4mpg US37.7mpg UK
Fuel consumption city
9.1L/100 km25.8mpg US31.0mpg UK
10.3L/100 km22.8mpg US27.4mpg UK
Fuel consumption highway
5.6L/100 km42mpg US50.4mpg UK
5.9L/100 km39.9mpg US47.9mpg UK
Quarter mile
14.8s
Calculated
12.8s
Calculated
Power-to-weight
139hp/t103kW/t63hp/1000 lb
Calculated
243hp/t181kW/t110hp/1000 lb
Calculated
Torque-to-weight
225Nm/t151lb-ft/ton
Calculated
277Nm/t185lb-ft/ton
Calculated
Estimated range
754km468mi
Calculated
533km331mi
Calculated
Displacement
1,998cc122cu in
1,798cc110cu in
Length
4,324mm170in
3,824mm151in
Width
1,864mm73in
1,719mm68in
Height
1,304mm51in
1,117mm44in
Wheelbase
2,470mm97in
-
Front track
1,609mm63in
-
Rear track
1,616mm64in
-
Ground clearance
117mm5in
-
Trunk volume
281L
-
Doors
2
2
Seats
2
2
Fuel tank
52L
40L
CO2 emissions-
173g/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) 20iLotus Elise (SERIES 3) Facelift 2017 Sport 220 1.8PowerTorque
  • BMW Z4 (G29) 20i: Power / Torque
  • Lotus Elise (SERIES 3) Facelift 2017 Sport 220 1.8: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMWZ4 (G29)20i4,500-6,500 rpm1,450-4,200 rpm6,750 rpm
LotusElise (SERIES 3)Facelift 2017Sport 220 1.86,800 rpm4,600 rpm7,050 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMWZ4 (G29)20iLotusElise (SERIES 3)Facelift 2017Sport 220 1.8
Acceleration checkpoints
0-60 mph
0-97 km/h
6.5 s
4.4 s
0-100 km/h
0-62 mph
6.8 s
4.6 s
0-200 km/h
0-124 mph
26.9 s
17.3 s
Top speed
241 km/h
150 mph
234 km/h
145 mph
Drag race simulation
60 ft
18 m
2.5 s
2.2 s
330 ft
101 m
6.5 s
5.6 s
1/8 mile
201 m
9.7 s
8.3 s
1000 ft
305 m
12.5 s
10.7 s
1/4 mile
402 m
14.8 s
12.8 s
Trap speed
1/4 mile
402 m
157 km/h
98 mph
179 km/h
111 mph

Power comparison

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

Chart data table
VehicleValue
BMWZ4 (G29)20i
197 hp
147 kW
LotusElise (SERIES 3)Facelift 2017Sport 220 1.8
220 hp
164 kW

Lotus Elise (SERIES 3) Facelift 2017 Sport 220 1.8 has 23 hp more than BMW Z4 (G29) 20i.

The biggest power difference is between BMW Z4 (G29) 20i and Lotus Elise (SERIES 3) Facelift 2017 Sport 220 1.8: 23 hp (17 kW).

Torque comparison

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

Chart data table
VehicleValue
BMWZ4 (G29)20i
320 Nm
236 lb-ft
LotusElise (SERIES 3)Facelift 2017Sport 220 1.8
250 Nm
184 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
BMWZ4 (G29)20i
1,420 kg
3,131 lb
LotusElise (SERIES 3)Facelift 2017Sport 220 1.8
904 kg
1,993 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
241 km/h
150 mph
LotusElise (SERIES 3)Facelift 2017Sport 220 1.8
234 km/h
145 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
BMWZ4 (G29)20i6.8 s
LotusElise (SERIES 3)Facelift 2017Sport 220 1.84.6 s

The biggest 0-100 km/h difference is between Lotus Elise (SERIES 3) Facelift 2017 Sport 220 1.8 and BMW Z4 (G29) 20i: 2.2 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
6.9 L/100 km
34.1 mpg US
40.9 mpg UK
LotusElise (SERIES 3)Facelift 2017Sport 220 1.8
7.5 L/100 km
31.4 mpg US
37.7 mpg UK

The biggest fuel consumption difference is between BMW Z4 (G29) 20i and Lotus Elise (SERIES 3) Facelift 2017 Sport 220 1.8: 0.6 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)20i
139 hp/t
103 kW/t
7.2 kg/hp
LotusElise (SERIES 3)Facelift 2017Sport 220 1.8
243 hp/t
181 kW/t
4.1 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
BMWZ4 (G29)20i
754 km
468 mi
LotusElise (SERIES 3)Facelift 2017Sport 220 1.8
533 km
331 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMWZ4 (G29)20i
197 hp
147 kW
6.8 s
241 km/h
150 mph
LotusElise (SERIES 3)Facelift 2017Sport 220 1.8
220 hp
164 kW
4.6 s
234 km/h
145 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
Power
197 hp
147 kW
0-100 km/h6.8 s
Top speed
241 km/h
150 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
LotusElise (SERIES 3)Facelift 2017Sport 220 1.8
Power
220 hp
164 kW
0-100 km/h4.6 s
Top speed
234 km/h
145 mph
Doors/seats
2 doors
2 seats
Trunk-
Length
3,824 mm
150.6 in
Height
1,117 mm
44.0 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)20i
Power
197 hp
147 kW
0-100 km/h6.8 s
Top speed
241 km/h
150 mph
6.9 L/100 km
34.1 mpg US
40.9 mpg UK
LotusElise (SERIES 3)Facelift 2017Sport 220 1.8
Power
220 hp
164 kW
0-100 km/h4.6 s
Top speed
234 km/h
145 mph
7.5 L/100 km
31.4 mpg US
37.7 mpg UK

Lotus Elise (SERIES 3) Facelift 2017 Sport 220 1.8 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
6.9 L/100 km
34.1 mpg US
40.9 mpg UK
6.8 s
LotusElise (SERIES 3)Facelift 2017Sport 220 1.8
7.5 L/100 km
31.4 mpg US
37.7 mpg UK
4.6 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
139 hp/t
103 kW/t
7.2 kg/hp
6.9 L/100 km
34.1 mpg US
40.9 mpg UK
LotusElise (SERIES 3)Facelift 2017Sport 220 1.8
243 hp/t
181 kW/t
4.1 kg/hp
7.5 L/100 km
31.4 mpg US
37.7 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMWZ4 (G29)20iLotusElise (SERIES 3)Facelift 2017Sport 220 1.8
Power
197 hp
147 kW
220 hp
164 kW
Torque
320 Nm
236 lb-ft
250 Nm
184 lb-ft
Acceleration
6.8 s
4.6 s
Top speed
241 km/h
150 mph
234 km/h
145 mph
Lightness
1,420 kg
3,131 lb
904 kg
1,993 lb
Fuel consumption
6.9 L/100 km
34.1 mpg US
40.9 mpg UK
7.5 L/100 km
31.4 mpg US
37.7 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-
Length
3,824 mm
150.6 in
Height
1,117 mm
44.0 in
Range score
754 km
468 mi
533 km
331 mi
CO2 score
-
173 g/km
Trunk score
281 L
9.9 cu ft
-
Power-to-weight score
139 hp/t
103 kW/t
7.2 kg/hp
243 hp/t
181 kW/t
4.1 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) 20iLotus Elise (SERIES 3) Facelift 2017 Sport 220 1.8
Consumption6.9 L/100 km34.1 mpg US40.9 mpg UK7.5 L/100 km31.4 mpg US37.7 mpg UK
Cost / 100 km12.08 LC100 km13.13 LC100 km
Cost / 100 mi19.43 LC100 mi21.12 LC100 mi
Annual fuel used1,035 L273 US gal228 UK gal1,125 L297 US gal247 UK gal
Annual fuel cost1,811 LC/year1,969 LC/year

Head-to-head comparisons

BMW Z4 (G29) 20i

  • Has 70 Nm more
  • Has 7 km/h (4 mph) higher top speed
  • Uses 0.6 L/100 km less fuel
  • Has 220 km (137 mi) more estimated range

Pros

  • Highest top speed
  • Highest torque
  • Lowest combined fuel consumption
  • Best estimated range

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Heaviest

Lotus Elise (SERIES 3) Facelift 2017 Sport 220 1.8

  • Has 23 hp more
  • Is 516 kg lighter
  • Is 2.2 s quicker from 0-100 km/h
  • Has 105 hp/t better power-to-weight

Pros

  • Quickest 0-100 km/h in this comparison
  • Most powerful
  • Lightest
  • Best power-to-weight ratio

Cons

  • Highest combined fuel consumption
  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW Z4 (G29) 20i
Lotus Elise (SERIES 3) Sport 220 1.8
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