Car comparison

Porsche 718 Boxster (982) S 2.5vsBMW 4 Series Convertible (F33) · Facelift 2017 440i

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

New comparison

Porsche 718 Boxster (982)

S 2.5

350 hp2497 ccGasolineRWDDual-clutchTurbochargedCabriolet / convertible2018-2020
VS

BMW 4 Series Convertible (F33) · Facelift 2017

440i

326 hp2998 ccGasolineRWDAutomaticTurbochargedCabriolet / convertible2017-2020

Comparison overview

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

Best choices

BMW 4 Series Convertible (F33) Facelift 2017 440i

  • Highest torque
    450 Nm
    332 lb-ft
  • Lowest combined fuel consumption
    7.2 L/100 km
    32.7 mpg US
    39.2 mpg UK
  • Lowest city consumption
    9.5 L/100 km
    24.8 mpg US
    29.7 mpg UK
  • Lowest highway consumption
    5.8 L/100 km
    40.6 mpg US
    48.7 mpg UK
  • Lowest CO2 emissions
    167 g/km
  • Best estimated range
    833 km
    518 mi
  • Largest trunk
    370 L
  • Best economy score
    87/100
  • Best practicality score
    47/100

Porsche 718 Boxster (982) S 2.5

  • Quickest 0-100 km/h
    4.4 s
  • Fastest top speed
    285 km/h
    177 mph
  • Most powerful
    350 hp
    261 kW
  • Lightest
    1,385 kg
    3,053 lb
  • Best power-to-weight
    253 hp/t
    188 kW/t
    4.0 kg/hp
  • Best overall score
    62/100
  • Best performance score
    75/100

Specification comparison

Specification comparison
ModelPorsche718 Boxster (982)S 2.5BMW4 Series Convertible (F33)Facelift 2017440i
Power
350hp261kW
326hp243kW
Torque
420Nm310lb-ft
450Nm332lb-ft
Curb weight
1,385kg3,053lb
1,770kg3,902lb
Gross weight
1,695kg3,737lb
2,230kg4,916lb
Top speed
285 km/h
177 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
59.6s99% target: 282 km/h / 175 mph
Calculated
74.8s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
4.4s
5.4s
0-200 km/h
13.7s
Calculated
19.7s
Calculated
0-60 mph
4.2s
Calculated
5.1s
Calculated
Fuel consumption
8.5L/100 km27.7mpg US33.2mpg UK
7.2L/100 km32.7mpg US39.2mpg UK
Fuel consumption city
11.8L/100 km19.9mpg US23.9mpg UK
9.5L/100 km24.8mpg US29.7mpg UK
Fuel consumption highway
6.5L/100 km36.2mpg US43.5mpg UK
5.8L/100 km40.6mpg US48.7mpg UK
Quarter mile
12.4s
Calculated
13.5s
Calculated
Power-to-weight
253hp/t188kW/t115hp/1000 lb
Calculated
184hp/t137kW/t84hp/1000 lb
Calculated
Torque-to-weight
303Nm/t203lb-ft/ton
Calculated
254Nm/t170lb-ft/ton
Calculated
Estimated range
635km395mi
Calculated
833km518mi
Calculated
Displacement
2,497cc152cu in
2,998cc183cu in
Length
4,379mm172in
4,640mm183in
Width
1,801mm71in
1,825mm72in
Height
1,280mm50in
1,384mm54in
Wheelbase
2,475mm97in
2,810mm111in
Front track
1,515mm60in
1,544mm61in
Rear track
1,539mm61in
1,593mm63in
Ground clearance-
130mm5in
Trunk volume-
370L
Max trunk volume
150L
-
Doors
2
2
Seats
2
4
Fuel tank
54L
60L
CO2 emissions
194g/km
167g/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.

Porsche 718 Boxster (982) S 2.5BMW 4 Series Convertible (F33) Facelift 2017 440iPowerTorque
  • Porsche 718 Boxster (982) S 2.5: Power / Torque
  • BMW 4 Series Convertible (F33) Facelift 2017 440i: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Porsche718 Boxster (982)S 2.56,500 rpm2,100-4,500 rpm6,750 rpm
BMW4 Series Convertible (F33)Facelift 2017440i5,500 rpm1,380-5,000 rpm5,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricPorsche718 Boxster (982)S 2.5BMW4 Series Convertible (F33)Facelift 2017440i
Acceleration checkpoints
0-60 mph
0-97 km/h
4.2 s
5.1 s
0-100 km/h
0-62 mph
4.4 s
5.4 s
0-200 km/h
0-124 mph
13.7 s
19.7 s
Top speed
285 km/h
177 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
330 ft
101 m
5.5 s
5.9 s
1/8 mile
201 m
8.1 s
8.8 s
1000 ft
305 m
10.4 s
11.4 s
1/4 mile
402 m
12.4 s
13.5 s
Trap speed
1/4 mile
402 m
190 km/h
118 mph
170 km/h
106 mph

Power comparison

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

Chart data table
VehicleValue
Porsche718 Boxster (982)S 2.5
350 hp
261 kW
BMW4 Series Convertible (F33)Facelift 2017440i
326 hp
243 kW

Porsche 718 Boxster (982) S 2.5 has 24 hp more than BMW 4 Series Convertible (F33) Facelift 2017 440i.

The biggest power difference is between BMW 4 Series Convertible (F33) Facelift 2017 440i and Porsche 718 Boxster (982) S 2.5: 24 hp (18 kW).

Torque comparison

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

Chart data table
VehicleValue
Porsche718 Boxster (982)S 2.5
420 Nm
310 lb-ft
BMW4 Series Convertible (F33)Facelift 2017440i
450 Nm
332 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
Porsche718 Boxster (982)S 2.5
1,385 kg
3,053 lb
BMW4 Series Convertible (F33)Facelift 2017440i
1,770 kg
3,902 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
Porsche718 Boxster (982)S 2.5
285 km/h
177 mph
BMW4 Series Convertible (F33)Facelift 2017440i
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
Porsche718 Boxster (982)S 2.54.4 s
BMW4 Series Convertible (F33)Facelift 2017440i5.4 s

The biggest 0-100 km/h difference is between Porsche 718 Boxster (982) S 2.5 and BMW 4 Series Convertible (F33) Facelift 2017 440i: 1.0 s.

Fuel consumption comparison

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

Chart data table
VehicleValue
Porsche718 Boxster (982)S 2.5
8.5 L/100 km
27.7 mpg US
33.2 mpg UK
BMW4 Series Convertible (F33)Facelift 2017440i
7.2 L/100 km
32.7 mpg US
39.2 mpg UK

The biggest fuel consumption difference is between BMW 4 Series Convertible (F33) Facelift 2017 440i and Porsche 718 Boxster (982) S 2.5: 1.3 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
Porsche718 Boxster (982)S 2.5
253 hp/t
188 kW/t
4.0 kg/hp
BMW4 Series Convertible (F33)Facelift 2017440i
184 hp/t
137 kW/t
5.4 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
Porsche718 Boxster (982)S 2.5
635 km
395 mi
BMW4 Series Convertible (F33)Facelift 2017440i
833 km
518 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Porsche718 Boxster (982)S 2.5
350 hp
261 kW
4.4 s
285 km/h
177 mph
BMW4 Series Convertible (F33)Facelift 2017440i
326 hp
243 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
Porsche718 Boxster (982)S 2.5
Power
350 hp
261 kW
0-100 km/h4.4 s
Top speed
285 km/h
177 mph
Doors/seats
2 doors
2 seats
Trunk
150 L
5.3 cu ft
Length
4,379 mm
172.4 in
Height
1,280 mm
50.4 in
BMW4 Series Convertible (F33)Facelift 2017440i
Power
326 hp
243 kW
0-100 km/h5.4 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
1,384 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
Porsche718 Boxster (982)S 2.5
Power
350 hp
261 kW
0-100 km/h4.4 s
Top speed
285 km/h
177 mph
8.5 L/100 km
27.7 mpg US
33.2 mpg UK
BMW4 Series Convertible (F33)Facelift 2017440i
Power
326 hp
243 kW
0-100 km/h5.4 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
7.2 L/100 km
32.7 mpg US
39.2 mpg UK

Porsche 718 Boxster (982) S 2.5 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
Porsche718 Boxster (982)S 2.5
8.5 L/100 km
27.7 mpg US
33.2 mpg UK
4.4 s
BMW4 Series Convertible (F33)Facelift 2017440i
7.2 L/100 km
32.7 mpg US
39.2 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
Porsche718 Boxster (982)S 2.5
253 hp/t
188 kW/t
4.0 kg/hp
8.5 L/100 km
27.7 mpg US
33.2 mpg UK
BMW4 Series Convertible (F33)Facelift 2017440i
184 hp/t
137 kW/t
5.4 kg/hp
7.2 L/100 km
32.7 mpg US
39.2 mpg UK

Detailed score breakdown

Detailed score breakdown
VehiclePorsche718 Boxster (982)S 2.5BMW4 Series Convertible (F33)Facelift 2017440i
Power
350 hp
261 kW
326 hp
243 kW
Torque
420 Nm
310 lb-ft
450 Nm
332 lb-ft
Acceleration
4.4 s
5.4 s
Top speed
285 km/h
177 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
1,385 kg
3,053 lb
1,770 kg
3,902 lb
Fuel consumption
8.5 L/100 km
27.7 mpg US
33.2 mpg UK
7.2 L/100 km
32.7 mpg US
39.2 mpg UK
Practicality
Doors/seats
2 doors
2 seats
Trunk
150 L
5.3 cu ft
Length
4,379 mm
172.4 in
Height
1,280 mm
50.4 in
Doors/seats
2 doors
4 seats
Trunk
370 L
13.1 cu ft
Length
4,640 mm
182.7 in
Height
1,384 mm
54.5 in
Range score
635 km
395 mi
833 km
518 mi
CO2 score
194 g/km
167 g/km
Trunk score
150 L
5.3 cu ft
370 L
13.1 cu ft
Power-to-weight score
253 hp/t
188 kW/t
4.0 kg/hp
184 hp/t
137 kW/t
5.4 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
VehiclePorsche 718 Boxster (982) S 2.5BMW 4 Series Convertible (F33) Facelift 2017 440i
Consumption8.5 L/100 km27.7 mpg US33.2 mpg UK7.2 L/100 km32.7 mpg US39.2 mpg UK
Cost / 100 km14.88 LC100 km12.60 LC100 km
Cost / 100 mi23.94 LC100 mi20.28 LC100 mi
Annual fuel used1,275 L337 US gal280 UK gal1,080 L285 US gal238 UK gal
Annual fuel cost2,231 LC/year1,890 LC/year

Head-to-head comparisons

Porsche 718 Boxster (982) S 2.5

  • Has 24 hp more
  • Is 385 kg lighter
  • Is 1.0 s quicker from 0-100 km/h
  • Has 25 km/h (16 mph) higher top speed
  • Has 69 hp/t better power-to-weight

Pros

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

Cons

  • Highest combined fuel consumption
  • Smallest trunk
  • Highest CO2 emissions

BMW 4 Series Convertible (F33) Facelift 2017 440i

  • Has 30 Nm more
  • Uses 1.3 L/100 km less fuel
  • Has 198 km (123 mi) more estimated range
  • Has 220 L more trunk volume
  • Emits 27 g/km less CO2

Pros

  • Highest torque
  • Lowest combined fuel consumption
  • Best estimated range
  • Largest trunk

Cons

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

Choose cars to compare

Brand
Model
Generation
Engine or modification
Porsche 718 Boxster (982) S 2.5
BMW 4 Series Convertible (F33) 440i
Compare selected cars
2 vehicles selected

Popular comparisons

S 2.5
4.0
VS
Porsche718 Boxster (982)S 2.5vsPorsche718 Spyder (982)4.0
440i
440i
VS
BMW4 Series Convertible (F33)Facelift 2017440ivsBMW4 Series Convertible (F33)440i
S 2.5
S 2.5
VS
Porsche718 Boxster (982)S 2.5vsPorsche718 Cayman (982)S 2.5
440i
M440d
VS
BMW4 Series Convertible (F33)Facelift 2017440ivsBMW4 Series Convertible (G23)M440d
S 2.5
Carrera 3.0
VS
Porsche718 Boxster (982)S 2.5vsPorsche911 Cabriolet (992)Carrera 3.0
440i
440i
VS
BMW4 Series Convertible (F33)Facelift 2017440ivsBMW4 Series Coupe (F32)Facelift 2017440i
S 2.5
Carrera 4 3.4
VS
Porsche718 Boxster (982)S 2.5vsPorsche911 Cabriolet (991)Carrera 4 3.4
440i
440i
VS
BMW4 Series Convertible (F33)Facelift 2017440ivsBMW4 Series Gran Coupe (F36)Facelift 2017440i
S 2.5
Carrera 3.0
VS
Porsche718 Boxster (982)S 2.5vsPorsche911 Cabriolet (992)Facelift 2024Carrera 3.0
440i
440i
VS
BMW4 Series Convertible (F33)Facelift 2017440ivsBMW4 Series Gran Coupe (F36)440i
S 2.5
P380 V6
VS
Porsche718 Boxster (982)S 2.5vsJaguarF-type ConvertibleFacelift 2017P380 V6
440i
440i
VS
BMW4 Series Convertible (F33)Facelift 2017440ivsBMW4 Series Coupe (F32)440i
Porsche 718 Boxster (982) S 2.5 vs BMW 4 Series Convertible (F33) · Facelift 2017 440i - car comparison - FastVsFaster