Car comparison

BMW 4 Series Convertible (G23) 430ivsBMW 4 Series Convertible (F33) · Facelift 2017 430i

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

New comparison

BMW 4 Series Convertible (G23)

430i

258 hp1998 ccGasolineRWDAutomaticTurbochargedCabriolet / convertible2020-2024
VS

BMW 4 Series Convertible (F33) · Facelift 2017

430i

252 hp1998 ccGasolineAWDAutomaticTurbochargedCabriolet / convertible2017-2020

Comparison overview

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

Best choices

BMW 4 Series Convertible (G23) 430i

  • Quickest 0-100 km/h
    6.2 s
  • Fastest top speed
    260 km/h
    162 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    258 hp
    192 kW
  • Highest torque
    400 Nm
    295 lb-ft
  • Lightest
    1,715 kg
    3,781 lb
  • Best power-to-weight
    150 hp/t
    112 kW/t
    6.6 kg/hp
  • Lowest combined fuel consumption
    6.4 L/100 km
    36.8 mpg US
    44.1 mpg UK
  • Lowest city consumption
    7.8 L/100 km
    30.2 mpg US
    36.2 mpg UK
  • Lowest highway consumption
    5.6 L/100 km
    42.0 mpg US
    50.4 mpg UK
  • Best estimated range
    922 km
    573 mi
  • Best overall score
    56/100
  • Best performance score
    61/100
  • Best economy score
    90/100

Specification comparison

Specification comparison
ModelBMW4 Series Convertible (G23)430iBMW4 Series Convertible (F33)Facelift 2017430i
Power
258hp192kW
252hp188kW
Torque
400Nm295lb-ft
350Nm258lb-ft
Curb weight
1,715kg3,781lb
1,805kg3,979lb
Gross weight
2,200kg4,850lb
2,255kg4,971lb
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
88.4s99% target: 257 km/h / 160 mph
Calculated
98.0s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
6.2s
6.4s
0-200 km/h
22.9s
Calculated
24.5s
Calculated
0-60 mph
5.9s
Calculated
6.1s
Calculated
Fuel consumption
6.4L/100 km36.8mpg US44.1mpg UK
6.7L/100 km35.1mpg US42.2mpg UK
Fuel consumption city
7.8L/100 km30.2mpg US36.2mpg UK
8.5L/100 km27.7mpg US33.2mpg UK
Fuel consumption highway
5.6L/100 km42mpg US50.4mpg UK
5.7L/100 km41.3mpg US49.6mpg UK
Quarter mile
14.3s
Calculated
14.5s
Calculated
Power-to-weight
150hp/t112kW/t68hp/1000 lb
Calculated
140hp/t104kW/t63hp/1000 lb
Calculated
Torque-to-weight
233Nm/t156lb-ft/ton
Calculated
194Nm/t130lb-ft/ton
Calculated
Estimated range
922km573mi
Calculated
896km556mi
Calculated
Displacement
1,998cc122cu in
1,998cc122cu in
Length
4,768mm188in
4,640mm183in
Width
1,852mm73in
1,825mm72in
Height
1,384mm54in
1,399mm55in
Wheelbase
2,851mm112in
2,810mm111in
Front track
1,575mm62in
1,543mm61in
Rear track
1,611mm63in
1,593mm63in
Ground clearance
124mm5in
145mm6in
Trunk volume
300L
370L
Max trunk volume
385L
-
Doors
2
2
Seats
4
4
Fuel tank
59L
60L
CO2 emissions-
156g/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 4 Series Convertible (G23) 430iBMW 4 Series Convertible (F33) Facelift 2017 430iPowerTorque
  • BMW 4 Series Convertible (G23) 430i: Power / Torque
  • BMW 4 Series Convertible (F33) Facelift 2017 430i: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMW4 Series Convertible (G23)430i5,000-6,500 rpm1,550-4,400 rpm6,750 rpm
BMW4 Series Convertible (F33)Facelift 2017430i5,200 rpm1,450-4,800 rpm5,450 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMW4 Series Convertible (G23)430iBMW4 Series Convertible (F33)Facelift 2017430i
Acceleration checkpoints
0-60 mph
0-97 km/h
5.9 s
6.1 s
0-100 km/h
0-62 mph
6.2 s
6.4 s
0-200 km/h
0-124 mph
22.9 s
24.5 s
Top speed
Unrestricted
260 km/h162 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
2.3 s
330 ft
101 m
6.2 s
6.3 s
1/8 mile
201 m
9.3 s
9.4 s
1000 ft
305 m
12.0 s
12.2 s
1/4 mile
402 m
14.3 s
14.5 s
Trap speed
1/4 mile
402 m
163 km/h
101 mph
160 km/h
99 mph

Power comparison

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

Chart data table
VehicleValue
BMW4 Series Convertible (G23)430i
258 hp
192 kW
BMW4 Series Convertible (F33)Facelift 2017430i
252 hp
188 kW

BMW 4 Series Convertible (G23) 430i has 6 hp more than BMW 4 Series Convertible (F33) Facelift 2017 430i.

The biggest power difference is between BMW 4 Series Convertible (F33) Facelift 2017 430i and BMW 4 Series Convertible (G23) 430i: 6 hp (4 kW).

Torque comparison

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

Chart data table
VehicleValue
BMW4 Series Convertible (G23)430i
400 Nm
295 lb-ft
BMW4 Series Convertible (F33)Facelift 2017430i
350 Nm
258 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
BMW4 Series Convertible (G23)430i
1,715 kg
3,781 lb
BMW4 Series Convertible (F33)Facelift 2017430i
1,805 kg
3,979 lb

Top speed without limiter comparison

Bar comparison chart for Top speed without limiter. Higher is better · km/h / mph

Chart data table
VehicleValue
BMW4 Series Convertible (G23)430i
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
BMW4 Series Convertible (F33)Facelift 2017430i
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
BMW4 Series Convertible (G23)430i6.2 s
BMW4 Series Convertible (F33)Facelift 2017430i6.4 s

The biggest 0-100 km/h difference is between BMW 4 Series Convertible (G23) 430i and BMW 4 Series Convertible (F33) Facelift 2017 430i: 0.2 s.

Fuel consumption comparison

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

Chart data table
VehicleValue
BMW4 Series Convertible (G23)430i
6.4 L/100 km
36.8 mpg US
44.1 mpg UK
BMW4 Series Convertible (F33)Facelift 2017430i
6.7 L/100 km
35.1 mpg US
42.2 mpg UK

Power-to-weight comparison

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

Chart data table
VehicleValue
BMW4 Series Convertible (G23)430i
150 hp/t
112 kW/t
6.6 kg/hp
BMW4 Series Convertible (F33)Facelift 2017430i
140 hp/t
104 kW/t
7.2 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
BMW4 Series Convertible (G23)430i
922 km
573 mi
BMW4 Series Convertible (F33)Facelift 2017430i
896 km
556 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMW4 Series Convertible (G23)430i
258 hp
192 kW
6.2 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
BMW4 Series Convertible (F33)Facelift 2017430i
252 hp
188 kW
6.4 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
BMW4 Series Convertible (G23)430i
Power
258 hp
192 kW
0-100 km/h6.2 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
2 doors
4 seats
Trunk
300 L
10.6 cu ft
Length
4,768 mm
187.7 in
Height
1,384 mm
54.5 in
BMW4 Series Convertible (F33)Facelift 2017430i
Power
252 hp
188 kW
0-100 km/h6.4 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
2 doors
4 seats
Trunk
370 L
13.1 cu ft
Length
4,640 mm
182.7 in
Height
1,399 mm
55.1 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
BMW4 Series Convertible (G23)430i
Power
258 hp
192 kW
0-100 km/h6.2 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
6.4 L/100 km
36.8 mpg US
44.1 mpg UK
BMW4 Series Convertible (F33)Facelift 2017430i
Power
252 hp
188 kW
0-100 km/h6.4 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
6.7 L/100 km
35.1 mpg US
42.2 mpg UK

BMW 4 Series Convertible (G23) 430i 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
BMW4 Series Convertible (G23)430i
6.4 L/100 km
36.8 mpg US
44.1 mpg UK
6.2 s
BMW4 Series Convertible (F33)Facelift 2017430i
6.7 L/100 km
35.1 mpg US
42.2 mpg UK
6.4 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
BMW4 Series Convertible (G23)430i
150 hp/t
112 kW/t
6.6 kg/hp
6.4 L/100 km
36.8 mpg US
44.1 mpg UK
BMW4 Series Convertible (F33)Facelift 2017430i
140 hp/t
104 kW/t
7.2 kg/hp
6.7 L/100 km
35.1 mpg US
42.2 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMW4 Series Convertible (G23)430iBMW4 Series Convertible (F33)Facelift 2017430i
Power
258 hp
192 kW
252 hp
188 kW
Torque
400 Nm
295 lb-ft
350 Nm
258 lb-ft
Acceleration
6.2 s
6.4 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
1,715 kg
3,781 lb
1,805 kg
3,979 lb
Fuel consumption
6.4 L/100 km
36.8 mpg US
44.1 mpg UK
6.7 L/100 km
35.1 mpg US
42.2 mpg UK
Practicality
Doors/seats
2 doors
4 seats
Trunk
300 L
10.6 cu ft
Length
4,768 mm
187.7 in
Height
1,384 mm
54.5 in
Doors/seats
2 doors
4 seats
Trunk
370 L
13.1 cu ft
Length
4,640 mm
182.7 in
Height
1,399 mm
55.1 in
Range score
922 km
573 mi
896 km
556 mi
CO2 score
-
156 g/km
Trunk score
300 L
10.6 cu ft
370 L
13.1 cu ft
Power-to-weight score
150 hp/t
112 kW/t
6.6 kg/hp
140 hp/t
104 kW/t
7.2 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 4 Series Convertible (G23) 430iBMW 4 Series Convertible (F33) Facelift 2017 430i
Consumption6.4 L/100 km36.8 mpg US44.1 mpg UK6.7 L/100 km35.1 mpg US42.2 mpg UK
Cost / 100 km11.20 LC100 km11.73 LC100 km
Cost / 100 mi18.02 LC100 mi18.87 LC100 mi
Annual fuel used960 L254 US gal211 UK gal1,005 L265 US gal221 UK gal
Annual fuel cost1,680 LC/year1,759 LC/year

Head-to-head comparisons

BMW 4 Series Convertible (G23) 430i

  • Has 6 hp more
  • Has 50 Nm more
  • Is 90 kg lighter
  • Is 0.2 s quicker from 0-100 km/h
  • Uses 0.3 L/100 km less fuel
  • Has 11 hp/t better power-to-weight
  • Has 26 km (16 mi) more estimated range

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

Cons

  • Smallest trunk

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW 4 Series Convertible (G23) 430i
BMW 4 Series Convertible (F33) 430i
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BMW 4 Series Convertible (G23) 430i vs BMW 4 Series Convertible (F33) · Facelift 2017 430i - car comparison - FastVsFaster