Car comparison

Mercedes-Benz B-class (W246) · Facelift 2014 B 250vsFord Fiesta VII (MK7) · Facelift 2012 ST 1.6 EcoBoost

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

New comparison

Mercedes-Benz B-class (W246) · Facelift 2014

B 250

211 hp1991 ccGasolineAWDDual-clutchTurbochargedHatchback2014-2018
VS

Ford Fiesta VII (MK7) · Facelift 2012

ST 1.6 EcoBoost

200 hp1596 ccGasolineFWDManualTurbochargedHatchback2016-2017

Comparison overview

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

Best choices

Mercedes-Benz B-class (W246) Facelift 2014 B 250

  • Quickest 0-100 km/h
    6.7 s
  • Fastest top speed
    235 km/h
    146 mph
  • Most powerful
    211 hp
    157 kW
  • Highest torque
    350 Nm
    258 lb-ft
  • Best estimated range
    836 km
    519 mi
  • Largest trunk
    488 L
  • Best overall score
    63/100
  • Best performance score
    56/100
  • Best practicality score
    79/100

Ford Fiesta VII (MK7) Facelift 2012 ST 1.6 EcoBoost

  • Lightest
    1,088 kg
    2,399 lb
  • Best power-to-weight
    184 hp/t
    137 kW/t
    5.4 kg/hp
  • Lowest combined fuel consumption
    6.1 L/100 km
    38.6 mpg US
    46.3 mpg UK
  • Lowest city consumption
    8.2 L/100 km
    28.7 mpg US
    34.4 mpg UK
  • Lowest highway consumption
    4.9 L/100 km
    48.0 mpg US
    57.6 mpg UK
  • Lowest CO2 emissions
    140 g/km
  • Best economy score
    90/100

Specification comparison

Specification comparison
ModelMercedes-BenzB-class (W246)Facelift 2014B 250FordFiesta VII (MK7)Facelift 2012ST 1.6 EcoBoost
Power
211hp157kW
200hp149kW
Torque
350Nm258lb-ft
290Nm214lb-ft
Curb weight
1,505kg3,318lb
1,088kg2,399lb
Gross weight
2,030kg4,475lb
1,575kg3,472lb
Top speed
235 km/h
146 mph
230 km/h
143 mph
To 99% top speed
73.8s99% target: 233 km/h / 145 mph
Calculated
68.9s99% target: 228 km/h / 141 mph
Calculated
0-100 km/h
6.7s
6.7s
0-200 km/h
27.1s
Calculated
27.7s
Calculated
0-60 mph
6.4s
Calculated
6.4s
Calculated
Fuel consumption
6.7L/100 km35.1mpg US42.2mpg UK
6.1L/100 km38.6mpg US46.3mpg UK
Fuel consumption city
8.4L/100 km28mpg US33.6mpg UK
8.2L/100 km28.7mpg US34.4mpg UK
Fuel consumption highway
5.7L/100 km41.3mpg US49.6mpg UK
4.9L/100 km48mpg US57.6mpg UK
Quarter mile
14.7s
Calculated
14.7s
Calculated
Power-to-weight
140hp/t105kW/t64hp/1000 lb
Calculated
184hp/t137kW/t83hp/1000 lb
Calculated
Torque-to-weight
233Nm/t156lb-ft/ton
Calculated
267Nm/t178lb-ft/ton
Calculated
Estimated range
836km519mi
Calculated
787km489mi
Calculated
Displacement
1,991cc121cu in
1,596cc97cu in
Length
4,393mm173in
3,982mm157in
Width
1,786mm70in
1,709mm67in
Height
1,557mm61in
1,456mm57in
Wheelbase
2,699mm106in
2,489mm98in
Front track
1,552mm61in
-
Rear track
1,549mm61in
-
Ground clearance
98mm4in
-
Trunk volume
488L
276L
Max trunk volume
1,547L
960L
Doors
5
3
Seats
5
5
Fuel tank
56L
48L
CO2 emissions
156g/km
140g/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 B-class (W246) Facelift 2014 B 250Ford Fiesta VII (MK7) Facelift 2012 ST 1.6 EcoBoostPowerTorque
  • Mercedes-Benz B-class (W246) Facelift 2014 B 250: Power / Torque
  • Ford Fiesta VII (MK7) Facelift 2012 ST 1.6 EcoBoost: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Mercedes-BenzB-class (W246)Facelift 2014B 2505,500 rpm1,200-4,000 rpm5,750 rpm
FordFiesta VII (MK7)Facelift 2012ST 1.6 EcoBoost6,000 rpm2,500-4,000 rpm6,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricMercedes-BenzB-class (W246)Facelift 2014B 250FordFiesta VII (MK7)Facelift 2012ST 1.6 EcoBoost
Acceleration checkpoints
0-60 mph
0-97 km/h
6.4 s
6.4 s
0-100 km/h
0-62 mph
6.7 s
6.7 s
0-200 km/h
0-124 mph
27.1 s
27.7 s
Top speed
235 km/h
146 mph
230 km/h
143 mph
Drag race simulation
60 ft
18 m
2.5 s
2.5 s
330 ft
101 m
6.5 s
6.5 s
1/8 mile
201 m
9.7 s
9.7 s
1000 ft
305 m
12.4 s
12.4 s
1/4 mile
402 m
14.7 s
14.7 s
Trap speed
1/4 mile
402 m
158 km/h
98 mph
158 km/h
98 mph

Power comparison

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

Chart data table
VehicleValue
Mercedes-BenzB-class (W246)Facelift 2014B 250
211 hp
157 kW
FordFiesta VII (MK7)Facelift 2012ST 1.6 EcoBoost
200 hp
149 kW

Mercedes-Benz B-class (W246) Facelift 2014 B 250 has 11 hp more than Ford Fiesta VII (MK7) Facelift 2012 ST 1.6 EcoBoost.

The biggest power difference is between Ford Fiesta VII (MK7) Facelift 2012 ST 1.6 EcoBoost and Mercedes-Benz B-class (W246) Facelift 2014 B 250: 11 hp (8 kW).

Torque comparison

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

Chart data table
VehicleValue
Mercedes-BenzB-class (W246)Facelift 2014B 250
350 Nm
258 lb-ft
FordFiesta VII (MK7)Facelift 2012ST 1.6 EcoBoost
290 Nm
214 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
Mercedes-BenzB-class (W246)Facelift 2014B 250
1,505 kg
3,318 lb
FordFiesta VII (MK7)Facelift 2012ST 1.6 EcoBoost
1,088 kg
2,399 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-BenzB-class (W246)Facelift 2014B 250
235 km/h
146 mph
FordFiesta VII (MK7)Facelift 2012ST 1.6 EcoBoost
230 km/h
143 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
Mercedes-BenzB-class (W246)Facelift 2014B 2506.7 s
FordFiesta VII (MK7)Facelift 2012ST 1.6 EcoBoost6.7 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-BenzB-class (W246)Facelift 2014B 250
6.7 L/100 km
35.1 mpg US
42.2 mpg UK
FordFiesta VII (MK7)Facelift 2012ST 1.6 EcoBoost
6.1 L/100 km
38.6 mpg US
46.3 mpg UK

The biggest fuel consumption difference is between Ford Fiesta VII (MK7) Facelift 2012 ST 1.6 EcoBoost and Mercedes-Benz B-class (W246) Facelift 2014 B 250: 0.6 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
Mercedes-BenzB-class (W246)Facelift 2014B 250
140 hp/t
105 kW/t
7.1 kg/hp
FordFiesta VII (MK7)Facelift 2012ST 1.6 EcoBoost
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
Mercedes-BenzB-class (W246)Facelift 2014B 250
836 km
519 mi
FordFiesta VII (MK7)Facelift 2012ST 1.6 EcoBoost
787 km
489 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Mercedes-BenzB-class (W246)Facelift 2014B 250
211 hp
157 kW
6.7 s
235 km/h
146 mph
FordFiesta VII (MK7)Facelift 2012ST 1.6 EcoBoost
200 hp
149 kW
6.7 s
230 km/h
143 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-BenzB-class (W246)Facelift 2014B 250
Power
211 hp
157 kW
0-100 km/h6.7 s
Top speed
235 km/h
146 mph
Doors/seats
5 doors
5 seats
Trunk
488 L
17.2 cu ft
Length
4,393 mm
173.0 in
Height
1,557 mm
61.3 in
FordFiesta VII (MK7)Facelift 2012ST 1.6 EcoBoost
Power
200 hp
149 kW
0-100 km/h6.7 s
Top speed
230 km/h
143 mph
Doors/seats
3 doors
5 seats
Trunk
276 L
9.7 cu ft
Length
3,982 mm
156.8 in
Height
1,456 mm
57.3 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-BenzB-class (W246)Facelift 2014B 250
Power
211 hp
157 kW
0-100 km/h6.7 s
Top speed
235 km/h
146 mph
6.7 L/100 km
35.1 mpg US
42.2 mpg UK
FordFiesta VII (MK7)Facelift 2012ST 1.6 EcoBoost
Power
200 hp
149 kW
0-100 km/h6.7 s
Top speed
230 km/h
143 mph
6.1 L/100 km
38.6 mpg US
46.3 mpg UK

Mercedes-Benz B-class (W246) Facelift 2014 B 250 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-BenzB-class (W246)Facelift 2014B 250
6.7 L/100 km
35.1 mpg US
42.2 mpg UK
6.7 s
FordFiesta VII (MK7)Facelift 2012ST 1.6 EcoBoost
6.1 L/100 km
38.6 mpg US
46.3 mpg UK
6.7 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-BenzB-class (W246)Facelift 2014B 250
140 hp/t
105 kW/t
7.1 kg/hp
6.7 L/100 km
35.1 mpg US
42.2 mpg UK
FordFiesta VII (MK7)Facelift 2012ST 1.6 EcoBoost
184 hp/t
137 kW/t
5.4 kg/hp
6.1 L/100 km
38.6 mpg US
46.3 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleMercedes-BenzB-class (W246)Facelift 2014B 250FordFiesta VII (MK7)Facelift 2012ST 1.6 EcoBoost
Power
211 hp
157 kW
200 hp
149 kW
Torque
350 Nm
258 lb-ft
290 Nm
214 lb-ft
Acceleration
6.7 s
6.7 s
Top speed
235 km/h
146 mph
230 km/h
143 mph
Lightness
1,505 kg
3,318 lb
1,088 kg
2,399 lb
Fuel consumption
6.7 L/100 km
35.1 mpg US
42.2 mpg UK
6.1 L/100 km
38.6 mpg US
46.3 mpg UK
Practicality
Doors/seats
5 doors
5 seats
Trunk
488 L
17.2 cu ft
Length
4,393 mm
173.0 in
Height
1,557 mm
61.3 in
Doors/seats
3 doors
5 seats
Trunk
276 L
9.7 cu ft
Length
3,982 mm
156.8 in
Height
1,456 mm
57.3 in
Range score
836 km
519 mi
787 km
489 mi
CO2 score
156 g/km
140 g/km
Trunk score
488 L
17.2 cu ft
276 L
9.7 cu ft
Power-to-weight score
140 hp/t
105 kW/t
7.1 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
VehicleMercedes-Benz B-class (W246) Facelift 2014 B 250Ford Fiesta VII (MK7) Facelift 2012 ST 1.6 EcoBoost
Consumption6.7 L/100 km35.1 mpg US42.2 mpg UK6.1 L/100 km38.6 mpg US46.3 mpg UK
Cost / 100 km11.73 LC100 km10.67 LC100 km
Cost / 100 mi18.87 LC100 mi17.18 LC100 mi
Annual fuel used1,005 L265 US gal221 UK gal915 L242 US gal201 UK gal
Annual fuel cost1,759 LC/year1,601 LC/year

Head-to-head comparisons

Mercedes-Benz B-class (W246) Facelift 2014 B 250

  • Has 11 hp more
  • Has 60 Nm more
  • Has 5 km/h (3 mph) higher top speed
  • Has 49 km (30 mi) more estimated range
  • Has 212 L more trunk volume

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Most powerful
  • Highest torque
  • Best estimated range
  • Largest trunk

Cons

  • Highest combined fuel consumption
  • Heaviest
  • Highest CO2 emissions

Ford Fiesta VII (MK7) Facelift 2012 ST 1.6 EcoBoost

  • Is 417 kg lighter
  • Uses 0.6 L/100 km less fuel
  • Has 44 hp/t better power-to-weight
  • Emits 16 g/km less CO2

Pros

  • 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
Mercedes-Benz B-class (W246) B 250
Ford Fiesta VII (MK7) ST 1.6 EcoBoost
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2 vehicles selected

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