Car comparison

BMW 4 Series Gran Coupe (F36) 428ivsBMW 4 Series Convertible (F33) 428i

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

New comparison

BMW 4 Series Gran Coupe (F36)

428i

245 hp1997 ccGasolineRWDAutomaticTurbochargedCoupe2014-2016
VS

BMW 4 Series Convertible (F33)

428i

245 hp1997 ccGasolineRWDManualTurbochargedCabriolet / convertible2014-2016

Comparison overview

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

Best choices

BMW 4 Series Gran Coupe (F36) 428i

  • Quickest 0-100 km/h
    6.0 s
  • Fastest top speed
    260 km/h
    162 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    245 hp
    183 kW
  • Highest torque
    350 Nm
    258 lb-ft
  • Lightest
    1,530 kg
    3,373 lb
  • Best power-to-weight
    160 hp/t
    119 kW/t
    6.2 kg/hp
  • Lowest combined fuel consumption
    6.3 L/100 km
    37.3 mpg US
    44.8 mpg UK
  • Lowest city consumption
    8.2 L/100 km
    28.7 mpg US
    34.4 mpg UK
  • Lowest highway consumption
    5.2 L/100 km
    45.2 mpg US
    54.3 mpg UK
  • Lowest CO2 emissions
    147 g/km
  • Best estimated range
    952 km
    592 mi
  • Largest trunk
    480 L
  • Best overall score
    63/100
  • Best performance score
    61/100
  • Best economy score
    90/100
  • Best practicality score
    68/100

Specification comparison

Specification comparison
ModelBMW4 Series Gran Coupe (F36)428iBMW4 Series Convertible (F33)428i
Power
245hp183kW
245hp183kW
Torque
350Nm258lb-ft
350Nm258lb-ft
Curb weight
1,530kg3,373lb
1,680kg3,704lb
Gross weight
2,090kg4,608lb
2,140kg4,718lb
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
83.6s99% target: 257 km/h / 160 mph
Calculated
93.9s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
6.0s
6.4s
0-200 km/h
21.9s
Calculated
24.0s
Calculated
0-60 mph
5.7s
Calculated
6.1s
Calculated
Fuel consumption
6.3L/100 km37.3mpg US44.8mpg UK
6.8L/100 km34.6mpg US41.5mpg UK
Fuel consumption city
8.2L/100 km28.7mpg US34.4mpg UK
8.8L/100 km26.7mpg US32.1mpg UK
Fuel consumption highway
5.2L/100 km45.2mpg US54.3mpg UK
5.7L/100 km41.3mpg US49.6mpg UK
Quarter mile
14.1s
Calculated
14.5s
Calculated
Power-to-weight
160hp/t119kW/t73hp/1000 lb
Calculated
146hp/t109kW/t66hp/1000 lb
Calculated
Torque-to-weight
229Nm/t153lb-ft/ton
Calculated
208Nm/t139lb-ft/ton
Calculated
Estimated range
952km592mi
Calculated
882km548mi
Calculated
Displacement
1,997cc122cu in
1,997cc122cu in
Length
4,638mm183in
4,638mm183in
Width
1,825mm72in
1,825mm72in
Height
1,389mm55in
1,384mm54in
Wheelbase
2,810mm111in
2,810mm111in
Front track
1,545mm61in
1,545mm61in
Rear track
1,594mm63in
1,594mm63in
Ground clearance
130mm5in
130mm5in
Trunk volume
480L
220L
Max trunk volume
1,300L
370L
Doors
5
2
Seats
5
4
Fuel tank
60L
60L
CO2 emissions
147g/km
159g/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 Gran Coupe (F36) 428iBMW 4 Series Convertible (F33) 428iPowerTorque
  • BMW 4 Series Gran Coupe (F36) 428i: Power / Torque
  • BMW 4 Series Convertible (F33) 428i: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMW4 Series Gran Coupe (F36)428i5,000-6,500 rpm1,250-4,800 rpm6,750 rpm
BMW4 Series Convertible (F33)428i5,000-6,500 rpm1,250-4,800 rpm6,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMW4 Series Gran Coupe (F36)428iBMW4 Series Convertible (F33)428i
Acceleration checkpoints
0-60 mph
0-97 km/h
5.7 s
6.1 s
0-100 km/h
0-62 mph
6.0 s
6.4 s
0-200 km/h
0-124 mph
21.9 s
24.0 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
2.4 s
330 ft
101 m
6.1 s
6.3 s
1/8 mile
201 m
9.2 s
9.5 s
1000 ft
305 m
11.9 s
12.2 s
1/4 mile
402 m
14.1 s
14.5 s
Trap speed
1/4 mile
402 m
165 km/h
103 mph
161 km/h
100 mph

Power comparison

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

Chart data table
VehicleValue
BMW4 Series Gran Coupe (F36)428i
245 hp
183 kW
BMW4 Series Convertible (F33)428i
245 hp
183 kW

Torque comparison

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

Chart data table
VehicleValue
BMW4 Series Gran Coupe (F36)428i
350 Nm
258 lb-ft
BMW4 Series Convertible (F33)428i
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 Gran Coupe (F36)428i
1,530 kg
3,373 lb
BMW4 Series Convertible (F33)428i
1,680 kg
3,704 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 Gran Coupe (F36)428i
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
BMW4 Series Convertible (F33)428i
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 Gran Coupe (F36)428i6.0 s
BMW4 Series Convertible (F33)428i6.4 s

The biggest 0-100 km/h difference is between BMW 4 Series Gran Coupe (F36) 428i and BMW 4 Series Convertible (F33) 428i: 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
BMW4 Series Gran Coupe (F36)428i
6.3 L/100 km
37.3 mpg US
44.8 mpg UK
BMW4 Series Convertible (F33)428i
6.8 L/100 km
34.6 mpg US
41.5 mpg UK

The biggest fuel consumption difference is between BMW 4 Series Gran Coupe (F36) 428i and BMW 4 Series Convertible (F33) 428i: 0.5 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
BMW4 Series Gran Coupe (F36)428i
160 hp/t
119 kW/t
6.2 kg/hp
BMW4 Series Convertible (F33)428i
146 hp/t
109 kW/t
6.9 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
BMW4 Series Gran Coupe (F36)428i
952 km
592 mi
BMW4 Series Convertible (F33)428i
882 km
548 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMW4 Series Gran Coupe (F36)428i
245 hp
183 kW
6.0 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
BMW4 Series Convertible (F33)428i
245 hp
183 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 Gran Coupe (F36)428i
Power
245 hp
183 kW
0-100 km/h6.0 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
5 doors
5 seats
Trunk
480 L
17.0 cu ft
Length
4,638 mm
182.6 in
Height
1,389 mm
54.7 in
BMW4 Series Convertible (F33)428i
Power
245 hp
183 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
220 L
7.8 cu ft
Length
4,638 mm
182.6 in
Height
1,384 mm
54.5 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 Gran Coupe (F36)428i
Power
245 hp
183 kW
0-100 km/h6.0 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
6.3 L/100 km
37.3 mpg US
44.8 mpg UK
BMW4 Series Convertible (F33)428i
Power
245 hp
183 kW
0-100 km/h6.4 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
6.8 L/100 km
34.6 mpg US
41.5 mpg UK

BMW 4 Series Gran Coupe (F36) 428i 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 Gran Coupe (F36)428i
6.3 L/100 km
37.3 mpg US
44.8 mpg UK
6.0 s
BMW4 Series Convertible (F33)428i
6.8 L/100 km
34.6 mpg US
41.5 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 Gran Coupe (F36)428i
160 hp/t
119 kW/t
6.2 kg/hp
6.3 L/100 km
37.3 mpg US
44.8 mpg UK
BMW4 Series Convertible (F33)428i
146 hp/t
109 kW/t
6.9 kg/hp
6.8 L/100 km
34.6 mpg US
41.5 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMW4 Series Gran Coupe (F36)428iBMW4 Series Convertible (F33)428i
Power
245 hp
183 kW
245 hp
183 kW
Torque
350 Nm
258 lb-ft
350 Nm
258 lb-ft
Acceleration
6.0 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
1,530 kg
3,373 lb
1,680 kg
3,704 lb
Fuel consumption
6.3 L/100 km
37.3 mpg US
44.8 mpg UK
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
Practicality
Doors/seats
5 doors
5 seats
Trunk
480 L
17.0 cu ft
Length
4,638 mm
182.6 in
Height
1,389 mm
54.7 in
Doors/seats
2 doors
4 seats
Trunk
220 L
7.8 cu ft
Length
4,638 mm
182.6 in
Height
1,384 mm
54.5 in
Range score
952 km
592 mi
882 km
548 mi
CO2 score
147 g/km
159 g/km
Trunk score
480 L
17.0 cu ft
220 L
7.8 cu ft
Power-to-weight score
160 hp/t
119 kW/t
6.2 kg/hp
146 hp/t
109 kW/t
6.9 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 Gran Coupe (F36) 428iBMW 4 Series Convertible (F33) 428i
Consumption6.3 L/100 km37.3 mpg US44.8 mpg UK6.8 L/100 km34.6 mpg US41.5 mpg UK
Cost / 100 km11.03 LC100 km11.90 LC100 km
Cost / 100 mi17.74 LC100 mi19.15 LC100 mi
Annual fuel used945 L250 US gal208 UK gal1,020 L269 US gal224 UK gal
Annual fuel cost1,654 LC/year1,785 LC/year

Head-to-head comparisons

BMW 4 Series Gran Coupe (F36) 428i

  • Is 150 kg lighter
  • Is 0.4 s quicker from 0-100 km/h
  • Uses 0.5 L/100 km less fuel
  • Has 14 hp/t better power-to-weight
  • Has 70 km (44 mi) more estimated range
  • Has 260 L more trunk volume
  • Emits 12 g/km less CO2

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

BMW 4 Series Convertible (F33) 428i

No measurable advantages in the available data.

Cons

  • Slowest 0-100 km/h
  • Highest combined fuel consumption
  • Heaviest
  • Smallest trunk
  • Highest CO2 emissions

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Model
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BMW 4 Series Gran Coupe (F36) 428i
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