Car comparison

Mercedes-Benz A-class (W177) A 180vsMercedes-Benz B-class (W247) B 180

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

New comparison

Mercedes-Benz A-class (W177)

A 180

136 hp1332 ccGasolineFWDManualTurbochargedHatchback2018-2022
VS

Mercedes-Benz B-class (W247)

B 180

136 hp1332 ccGasolineFWDDual-clutchTurbochargedHatchback2018-2022

Comparison overview

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

Best choices

Mercedes-Benz A-class (W177) A 180

  • Fastest top speed
    215 km/h
    134 mph
  • Most powerful
    136 hp
    101 kW
  • Highest torque
    200 Nm
    148 lb-ft
  • Lightest
    1,275 kg
    2,811 lb
  • Best power-to-weight
    107 hp/t
    80 kW/t
    9.4 kg/hp
  • Lowest city consumption
    7.5 L/100 km
    31.4 mpg US
    37.7 mpg UK
  • Best overall score
    54/100
  • Best performance score
    41/100
  • Best practicality score
    82/100

Mercedes-Benz B-class (W247) B 180

  • Quickest 0-100 km/h
    9.0 s
  • Lowest combined fuel consumption
    5.6 L/100 km
    42.0 mpg US
    50.4 mpg UK
  • Lowest highway consumption
    4.4 L/100 km
    53.5 mpg US
    64.2 mpg UK
  • Lowest CO2 emissions
    128 g/km
  • Best estimated range
    768 km
    477 mi
  • Best economy score
    92/100

Specification comparison

Specification comparison
ModelMercedes-BenzA-class (W177)A 180Mercedes-BenzB-class (W247)B 180
Power
136hp101kW
136hp101kW
Torque
200Nm148lb-ft
200Nm148lb-ft
Curb weight
1,275kg2,811lb
1,405kg3,097lb
Gross weight
1,865kg4,112lb
1,955kg4,310lb
Top speed
215 km/h
134 mph
212 km/h
132 mph
To 99% top speed
90.0s99% target: 213 km/h / 132 mph
Calculated
89.5s99% target: 210 km/h / 130 mph
Calculated
0-100 km/h
9.2s
9.0s
0-200 km/h
48.2s
Calculated
51.7s
Calculated
0-60 mph
8.7s
Calculated
8.5s
Calculated
Fuel consumption
5.8L/100 km40.6mpg US48.7mpg UK
5.6L/100 km42mpg US50.4mpg UK
Fuel consumption city
7.5L/100 km31.4mpg US37.7mpg UK
7.7L/100 km30.5mpg US36.7mpg UK
Fuel consumption highway
4.7L/100 km50mpg US60.1mpg UK
4.4L/100 km53.5mpg US64.2mpg UK
Quarter mile
16.7s
Calculated
16.5s
Calculated
Power-to-weight
107hp/t80kW/t48hp/1000 lb
Calculated
97hp/t72kW/t44hp/1000 lb
Calculated
Torque-to-weight
157Nm/t105lb-ft/ton
Calculated
142Nm/t95lb-ft/ton
Calculated
Estimated range
741km461mi
Calculated
768km477mi
Calculated
Displacement
1,332cc81cu in
1,332cc81cu in
Length
4,419mm174in
4,419mm174in
Width
1,796mm71in
1,796mm71in
Height
1,440mm57in
1,562mm61in
Wheelbase
2,729mm107in
2,729mm107in
Front track
1,567mm62in
1,567mm62in
Ground clearance
104mm4in
-
Trunk volume-
445L
Max trunk volume-
1,540L
Doors
5
5
Seats
5
5
Fuel tank
43L
43L
CO2 emissions
132g/km
128g/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.

Mercedes-Benz A-class (W177) A 180Mercedes-Benz B-class (W247) B 180PowerTorque
  • Mercedes-Benz A-class (W177) A 180: Power / Torque
  • Mercedes-Benz B-class (W247) B 180: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Mercedes-BenzA-class (W177)A 180-1,460 rpm1,710 rpm
Mercedes-BenzB-class (W247)B 180-1,460 rpm1,710 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricMercedes-BenzA-class (W177)A 180Mercedes-BenzB-class (W247)B 180
Acceleration checkpoints
0-60 mph
0-97 km/h
8.7 s
8.5 s
0-100 km/h
0-62 mph
9.2 s
9.0 s
0-200 km/h
0-124 mph
48.2 s
51.7 s
Top speed
215 km/h
134 mph
212 km/h
132 mph
Drag race simulation
60 ft
18 m
2.8 s
2.7 s
330 ft
101 m
7.3 s
7.2 s
1/8 mile
201 m
10.9 s
10.8 s
1000 ft
305 m
14.1 s
13.9 s
1/4 mile
402 m
16.7 s
16.5 s
Trap speed
1/4 mile
402 m
140 km/h
87 mph
140 km/h
87 mph

Power comparison

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

Chart data table
VehicleValue
Mercedes-BenzA-class (W177)A 180
136 hp
101 kW
Mercedes-BenzB-class (W247)B 180
136 hp
101 kW

Torque comparison

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

Chart data table
VehicleValue
Mercedes-BenzA-class (W177)A 180
200 Nm
148 lb-ft
Mercedes-BenzB-class (W247)B 180
200 Nm
148 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
Mercedes-BenzA-class (W177)A 180
1,275 kg
2,811 lb
Mercedes-BenzB-class (W247)B 180
1,405 kg
3,097 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
Mercedes-BenzA-class (W177)A 180
215 km/h
134 mph
Mercedes-BenzB-class (W247)B 180
212 km/h
132 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
Mercedes-BenzA-class (W177)A 1809.2 s
Mercedes-BenzB-class (W247)B 1809.0 s

The biggest 0-100 km/h difference is between Mercedes-Benz B-class (W247) B 180 and Mercedes-Benz A-class (W177) A 180: 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
Mercedes-BenzA-class (W177)A 180
5.8 L/100 km
40.6 mpg US
48.7 mpg UK
Mercedes-BenzB-class (W247)B 180
5.6 L/100 km
42.0 mpg US
50.4 mpg UK

Power-to-weight comparison

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

Chart data table
VehicleValue
Mercedes-BenzA-class (W177)A 180
107 hp/t
80 kW/t
9.4 kg/hp
Mercedes-BenzB-class (W247)B 180
97 hp/t
72 kW/t
10.3 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
Mercedes-BenzA-class (W177)A 180
741 km
461 mi
Mercedes-BenzB-class (W247)B 180
768 km
477 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Mercedes-BenzA-class (W177)A 180
136 hp
101 kW
9.2 s
215 km/h
134 mph
Mercedes-BenzB-class (W247)B 180
136 hp
101 kW
9.0 s
212 km/h
132 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
Mercedes-BenzA-class (W177)A 180
Power
136 hp
101 kW
0-100 km/h9.2 s
Top speed
215 km/h
134 mph
Doors/seats
5 doors
5 seats
Trunk-
Length
4,419 mm
174.0 in
Height
1,440 mm
56.7 in
Mercedes-BenzB-class (W247)B 180
Power
136 hp
101 kW
0-100 km/h9.0 s
Top speed
212 km/h
132 mph
Doors/seats
5 doors
5 seats
Trunk
445 L
15.7 cu ft
Length
4,419 mm
174.0 in
Height
1,562 mm
61.5 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
Mercedes-BenzA-class (W177)A 180
Power
136 hp
101 kW
0-100 km/h9.2 s
Top speed
215 km/h
134 mph
5.8 L/100 km
40.6 mpg US
48.7 mpg UK
Mercedes-BenzB-class (W247)B 180
Power
136 hp
101 kW
0-100 km/h9.0 s
Top speed
212 km/h
132 mph
5.6 L/100 km
42.0 mpg US
50.4 mpg UK

Mercedes-Benz B-class (W247) B 180 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
Mercedes-BenzA-class (W177)A 180
5.8 L/100 km
40.6 mpg US
48.7 mpg UK
9.2 s
Mercedes-BenzB-class (W247)B 180
5.6 L/100 km
42.0 mpg US
50.4 mpg UK
9.0 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
Mercedes-BenzA-class (W177)A 180
107 hp/t
80 kW/t
9.4 kg/hp
5.8 L/100 km
40.6 mpg US
48.7 mpg UK
Mercedes-BenzB-class (W247)B 180
97 hp/t
72 kW/t
10.3 kg/hp
5.6 L/100 km
42.0 mpg US
50.4 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleMercedes-BenzA-class (W177)A 180Mercedes-BenzB-class (W247)B 180
Power
136 hp
101 kW
136 hp
101 kW
Torque
200 Nm
148 lb-ft
200 Nm
148 lb-ft
Acceleration
9.2 s
9.0 s
Top speed
215 km/h
134 mph
212 km/h
132 mph
Lightness
1,275 kg
2,811 lb
1,405 kg
3,097 lb
Fuel consumption
5.8 L/100 km
40.6 mpg US
48.7 mpg UK
5.6 L/100 km
42.0 mpg US
50.4 mpg UK
Practicality
Doors/seats
5 doors
5 seats
Trunk-
Length
4,419 mm
174.0 in
Height
1,440 mm
56.7 in
Doors/seats
5 doors
5 seats
Trunk
445 L
15.7 cu ft
Length
4,419 mm
174.0 in
Height
1,562 mm
61.5 in
Range score
741 km
461 mi
768 km
477 mi
CO2 score
132 g/km
128 g/km
Trunk score
-
445 L
15.7 cu ft
Power-to-weight score
107 hp/t
80 kW/t
9.4 kg/hp
97 hp/t
72 kW/t
10.3 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
VehicleMercedes-Benz A-class (W177) A 180Mercedes-Benz B-class (W247) B 180
Consumption5.8 L/100 km40.6 mpg US48.7 mpg UK5.6 L/100 km42 mpg US50.4 mpg UK
Cost / 100 km10.15 LC100 km9.80 LC100 km
Cost / 100 mi16.33 LC100 mi15.77 LC100 mi
Annual fuel used870 L230 US gal191 UK gal840 L222 US gal185 UK gal
Annual fuel cost1,523 LC/year1,470 LC/year

Head-to-head comparisons

Mercedes-Benz A-class (W177) A 180

  • Is 130 kg lighter
  • Has 3 km/h (2 mph) higher top speed
  • Has 10 hp/t better power-to-weight

Pros

  • Highest top speed
  • Most powerful
  • Highest torque
  • Lightest
  • Best power-to-weight ratio

Cons

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

Mercedes-Benz B-class (W247) B 180

  • Is 0.2 s quicker from 0-100 km/h
  • Uses 0.2 L/100 km less fuel
  • Has 26 km (16 mi) more estimated range
  • Emits 4 g/km less CO2

Pros

  • Quickest 0-100 km/h in this comparison
  • Lowest combined fuel consumption
  • Best estimated range

Cons

  • Heaviest
  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
Mercedes-Benz A-class (W177) A 180
Mercedes-Benz B-class (W247) B 180
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