Car comparison

Porsche 718 Boxster (982) 2.0vsAlfa Romeo 4C Spider 1.7

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

New comparison

Porsche 718 Boxster (982)

2.0

300 hp1988 ccGasolineRWDManualTurbochargedCabriolet / convertible2016-2018
VS

Alfa Romeo 4C Spider

1.7

240 hp1742 ccGasolineRWDAutomaticTurbochargedCabriolet / convertible2015-2019

Comparison overview

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

Best choices

Porsche 718 Boxster (982) 2.0

  • Fastest top speed
    285 km/h
    177 mph Unrestricted
    275 km/h
    171 mph Restricted
  • Most powerful
    300 hp
    224 kW
  • Highest torque
    380 Nm
    280 lb-ft
  • Lowest city consumption
    9.9 L/100 km
    23.8 mpg US
    28.5 mpg UK
  • Best estimated range
    730 km
    453 mi
  • Largest trunk
    275 L
  • Best overall score
    58/100
  • Best performance score
    70/100
  • Best practicality score
    34/100

Alfa Romeo 4C Spider 1.7

  • Quickest 0-100 km/h
    4.5 s
  • Lightest
    940 kg
    2,072 lb
  • Best power-to-weight
    255 hp/t
    190 kW/t
    3.9 kg/hp
  • Lowest combined fuel consumption
    6.9 L/100 km
    34.1 mpg US
    40.9 mpg UK
  • Lowest highway consumption
    5.1 L/100 km
    46.1 mpg US
    55.4 mpg UK
  • Lowest CO2 emissions
    161 g/km
  • Best economy score
    88/100

Specification comparison

Specification comparison
ModelPorsche718 Boxster (982)2.0Alfa Romeo4C Spider1.7
Power
300hp224kW
240hp179kW
Torque
380Nm280lb-ft
350Nm258lb-ft
Curb weight
1,335kg2,943lb
940kg2,072lb
Gross weight
1,655kg3,649lb
-
Top speed
Unrestricted
285 km/h177 mph
Restricted
275 km/h171 mph
Calculated
257 km/h
160 mph
To 99% top speed
70.8s99% target: 282 km/h / 175 mph
Calculated
52.1s99% target: 254 km/h / 158 mph
Calculated
0-100 km/h
5.1s
4.5s
0-200 km/h
16.0s
Calculated
15.3s
Calculated
0-60 mph
4.9s
Calculated
4.3s
Calculated
Fuel consumption
7.4L/100 km31.8mpg US38.2mpg UK
6.9L/100 km34.1mpg US40.9mpg UK
Fuel consumption city
9.9L/100 km23.8mpg US28.5mpg UK
10.1L/100 km23.3mpg US28.0mpg UK
Fuel consumption highway
6L/100 km39.2mpg US47.1mpg UK
5.1L/100 km46.1mpg US55.4mpg UK
Quarter mile
13.1s
Calculated
12.6s
Calculated
Power-to-weight
225hp/t168kW/t102hp/1000 lb
Calculated
255hp/t190kW/t116hp/1000 lb
Calculated
Torque-to-weight
285Nm/t190lb-ft/ton
Calculated
372Nm/t249lb-ft/ton
Calculated
Estimated range
730km453mi
Calculated
580km360mi
Calculated
Displacement
1,988cc121cu in
1,742cc106cu in
Length
4,379mm172in
3,989mm157in
Width
1,801mm71in
1,864mm73in
Height
1,281mm50in
1,183mm47in
Wheelbase
2,475mm97in
2,380mm94in
Front track
1,515mm60in
1,639mm65in
Rear track
1,532mm60in
1,604mm63in
Ground clearance-
113mm4in
Trunk volume
275L
110L
Doors
2
2
Seats
2
2
Fuel tank
54L
40L
CO2 emissions
168g/km
161g/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) 2.0Alfa Romeo 4C Spider 1.7PowerTorque
  • Porsche 718 Boxster (982) 2.0: Power / Torque
  • Alfa Romeo 4C Spider 1.7: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Porsche718 Boxster (982)2.06,500 rpm1,950-4,500 rpm6,750 rpm
Alfa Romeo4C Spider1.76,000 rpm2,200-4,250 rpm6,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricPorsche718 Boxster (982)2.0Alfa Romeo4C Spider1.7
Acceleration checkpoints
0-60 mph
0-97 km/h
4.9 s
4.3 s
0-100 km/h
0-62 mph
5.1 s
4.5 s
0-200 km/h
0-124 mph
16.0 s
15.3 s
Top speed
Unrestricted
285 km/h177 mph
Restricted
275 km/h171 mph
Likely limited
257 km/h
160 mph
Drag race simulation
60 ft
18 m
2.3 s
2.1 s
330 ft
101 m
5.8 s
5.5 s
1/8 mile
201 m
8.7 s
8.2 s
1000 ft
305 m
11.1 s
10.6 s
1/4 mile
402 m
13.1 s
12.6 s
Trap speed
1/4 mile
402 m
181 km/h
113 mph
184 km/h
114 mph

Power comparison

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

Chart data table
VehicleValue
Porsche718 Boxster (982)2.0
300 hp
224 kW
Alfa Romeo4C Spider1.7
240 hp
179 kW

Porsche 718 Boxster (982) 2.0 has 60 hp more than Alfa Romeo 4C Spider 1.7.

The biggest power difference is between Alfa Romeo 4C Spider 1.7 and Porsche 718 Boxster (982) 2.0: 60 hp (45 kW).

Torque comparison

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

Chart data table
VehicleValue
Porsche718 Boxster (982)2.0
380 Nm
280 lb-ft
Alfa Romeo4C Spider1.7
350 Nm
258 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
Porsche718 Boxster (982)2.0
1,335 kg
2,943 lb
Alfa Romeo4C Spider1.7
940 kg
2,072 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)2.0
Unrestricted
285 km/h177 mph
Restricted
275 km/h171 mph
Alfa Romeo4C Spider1.7
257 km/h
160 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)2.05.1 s
Alfa Romeo4C Spider1.74.5 s

Although Porsche 718 Boxster (982) 2.0 has more power, Alfa Romeo 4C Spider 1.7 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Alfa Romeo 4C Spider 1.7 and Porsche 718 Boxster (982) 2.0: 0.6 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)2.0
7.4 L/100 km
31.8 mpg US
38.2 mpg UK
Alfa Romeo4C Spider1.7
6.9 L/100 km
34.1 mpg US
40.9 mpg UK

The biggest fuel consumption difference is between Alfa Romeo 4C Spider 1.7 and Porsche 718 Boxster (982) 2.0: 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
Porsche718 Boxster (982)2.0
225 hp/t
168 kW/t
4.4 kg/hp
Alfa Romeo4C Spider1.7
255 hp/t
190 kW/t
3.9 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
Porsche718 Boxster (982)2.0
730 km
453 mi
Alfa Romeo4C Spider1.7
580 km
360 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Porsche718 Boxster (982)2.0
300 hp
224 kW
5.1 s
Unrestricted
285 km/h177 mph
Restricted
275 km/h171 mph
Alfa Romeo4C Spider1.7
240 hp
179 kW
4.5 s
257 km/h
160 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)2.0
Power
300 hp
224 kW
0-100 km/h5.1 s
Top speed
Unrestricted
285 km/h177 mph
Restricted
275 km/h171 mph
Doors/seats
2 doors
2 seats
Trunk
275 L
9.7 cu ft
Length
4,379 mm
172.4 in
Height
1,281 mm
50.4 in
Alfa Romeo4C Spider1.7
Power
240 hp
179 kW
0-100 km/h4.5 s
Top speed
257 km/h
160 mph
Doors/seats
2 doors
2 seats
Trunk
110 L
3.9 cu ft
Length
3,989 mm
157.0 in
Height
1,183 mm
46.6 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)2.0
Power
300 hp
224 kW
0-100 km/h5.1 s
Top speed
Unrestricted
285 km/h177 mph
Restricted
275 km/h171 mph
7.4 L/100 km
31.8 mpg US
38.2 mpg UK
Alfa Romeo4C Spider1.7
Power
240 hp
179 kW
0-100 km/h4.5 s
Top speed
257 km/h
160 mph
6.9 L/100 km
34.1 mpg US
40.9 mpg UK

Porsche 718 Boxster (982) 2.0 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)2.0
7.4 L/100 km
31.8 mpg US
38.2 mpg UK
5.1 s
Alfa Romeo4C Spider1.7
6.9 L/100 km
34.1 mpg US
40.9 mpg UK
4.5 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)2.0
225 hp/t
168 kW/t
4.5 kg/hp
7.4 L/100 km
31.8 mpg US
38.2 mpg UK
Alfa Romeo4C Spider1.7
255 hp/t
190 kW/t
3.9 kg/hp
6.9 L/100 km
34.1 mpg US
40.9 mpg UK

Detailed score breakdown

Detailed score breakdown
VehiclePorsche718 Boxster (982)2.0Alfa Romeo4C Spider1.7
Power
300 hp
224 kW
240 hp
179 kW
Torque
380 Nm
280 lb-ft
350 Nm
258 lb-ft
Acceleration
5.1 s
4.5 s
Top speed
Unrestricted
285 km/h177 mph
Restricted
275 km/h171 mph
257 km/h
160 mph
Lightness
1,335 kg
2,943 lb
940 kg
2,072 lb
Fuel consumption
7.4 L/100 km
31.8 mpg US
38.2 mpg UK
6.9 L/100 km
34.1 mpg US
40.9 mpg UK
Practicality
Doors/seats
2 doors
2 seats
Trunk
275 L
9.7 cu ft
Length
4,379 mm
172.4 in
Height
1,281 mm
50.4 in
Doors/seats
2 doors
2 seats
Trunk
110 L
3.9 cu ft
Length
3,989 mm
157.0 in
Height
1,183 mm
46.6 in
Range score
730 km
453 mi
580 km
360 mi
CO2 score
168 g/km
161 g/km
Trunk score
275 L
9.7 cu ft
110 L
3.9 cu ft
Power-to-weight score
225 hp/t
168 kW/t
4.5 kg/hp
255 hp/t
190 kW/t
3.9 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
VehiclePorsche 718 Boxster (982) 2.0Alfa Romeo 4C Spider 1.7
Consumption7.4 L/100 km31.8 mpg US38.2 mpg UK6.9 L/100 km34.1 mpg US40.9 mpg UK
Cost / 100 km12.95 LC100 km12.08 LC100 km
Cost / 100 mi20.84 LC100 mi19.43 LC100 mi
Annual fuel used1,110 L293 US gal244 UK gal1,035 L273 US gal228 UK gal
Annual fuel cost1,943 LC/year1,811 LC/year

Head-to-head comparisons

Porsche 718 Boxster (982) 2.0

  • Has 60 hp more
  • Has 30 Nm more
  • Has 28 km/h (17 mph) higher top speed
  • Has 150 km (93 mi) more estimated range
  • Has 165 L more trunk volume

Pros

  • Highest top speed
  • Most powerful
  • Highest torque
  • Best estimated range
  • Largest trunk

Cons

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

Alfa Romeo 4C Spider 1.7

  • Is 395 kg lighter
  • Is 0.6 s quicker from 0-100 km/h
  • Uses 0.5 L/100 km less fuel
  • Has 31 hp/t better power-to-weight
  • Emits 7 g/km less CO2

Pros

  • Quickest 0-100 km/h in this comparison
  • Lightest
  • Lowest combined fuel consumption
  • Best power-to-weight ratio

Cons

  • Lowest power
  • Lowest top speed
  • Smallest trunk

Choose cars to compare

Brand
Model
Generation
Engine or modification
Porsche 718 Boxster (982) 2.0
Alfa Romeo 4C Spider 1.7
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