Car comparison

Mercedes-Benz B-class (W246) · Facelift 2014 B 250vsInfiniti QX30 2.0t

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 ccGasolineFWDDual-clutchTurbochargedHatchback2014-2018
VS

Infiniti QX30

2.0t

211 hp1991 ccGasolineAWDDual-clutchTurbochargedHatchback2017-present

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
    6.8 s
  • Fastest top speed
    250 km/h
    155 mph Unrestricted
    240 km/h
    149 mph Restricted
  • Most powerful
    211 hp
    157 kW
  • Highest torque
    350 Nm
    258 lb-ft
  • Lightest
    1,465 kg
    3,230 lb
  • Best power-to-weight
    144 hp/t
    107 kW/t
    6.9 kg/hp
  • Lowest combined fuel consumption
    6.1 L/100 km
    38.6 mpg US
    46.3 mpg UK
  • Lowest city consumption
    8.6 L/100 km
    27.4 mpg US
    32.8 mpg UK
  • Lowest highway consumption
    4.7 L/100 km
    50.0 mpg US
    60.1 mpg UK
  • Lowest CO2 emissions
    143 g/km
  • Largest trunk
    488 L
  • Best overall score
    64/100
  • Best performance score
    57/100
  • Best economy score
    90/100
  • Best practicality score
    79/100

Specification comparison

Specification comparison
ModelMercedes-BenzB-class (W246)Facelift 2014B 250InfinitiQX302.0t
Power
211hp157kW
211hp157kW
Torque
350Nm258lb-ft
350Nm258lb-ft
Curb weight
1,465kg3,230lb
1,467kg3,234lb
Gross weight
1,990kg4,387lb
1,990kg4,387lb
Top speed
Unrestricted
250 km/h155 mph
Restricted
240 km/h149 mph
Calculated
230 km/h
143 mph
To 99% top speed
81.3s99% target: 248 km/h / 154 mph
Calculated
86.1s99% target: 228 km/h / 141 mph
Calculated
0-100 km/h
6.8s
7.3s
0-200 km/h
24.8s
Calculated
32.9s
Calculated
0-60 mph
6.5s
Calculated
6.9s
Calculated
Fuel consumption
6.1L/100 km38.6mpg US46.3mpg UK
6.7L/100 km35.1mpg US42.2mpg UK
Fuel consumption city
8.6L/100 km27.4mpg US32.8mpg UK
8.7L/100 km27mpg US32.5mpg UK
Fuel consumption highway
4.7L/100 km50mpg US60.1mpg UK
5.5L/100 km42.8mpg US51.4mpg UK
Quarter mile
14.8s
Calculated
15.3s
Calculated
Power-to-weight
144hp/t107kW/t65hp/1000 lb
Calculated
144hp/t107kW/t65hp/1000 lb
Calculated
Torque-to-weight
239Nm/t160lb-ft/ton
Calculated
239Nm/t160lb-ft/ton
Calculated
Estimated range
820km509mi
Calculated
836km519mi
Calculated
Displacement
1,991cc121cu in
1,991cc121cu in
Length
4,393mm173in
4,425mm174in
Width
1,786mm70in
1,815mm71in
Height
1,557mm61in
1,530mm60in
Wheelbase
2,699mm106in
2,700mm106in
Front track
1,552mm61in
1,572mm62in
Rear track
1,549mm61in
1,573mm62in
Ground clearance
98mm4in
232mm9in
Trunk volume
488L
430L
Max trunk volume
1,547L
-
Doors
5
5
Seats
5
5
Fuel tank
50L
56L
CO2 emissions
143g/km
155g/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 250Infiniti QX30 2.0tPowerTorque
  • Mercedes-Benz B-class (W246) Facelift 2014 B 250: Power / Torque
  • Infiniti QX30 2.0t: 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
InfinitiQX302.0t5,500 rpm1,200-4,000 rpm5,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricMercedes-BenzB-class (W246)Facelift 2014B 250InfinitiQX302.0t
Acceleration checkpoints
0-60 mph
0-97 km/h
6.5 s
6.9 s
0-100 km/h
0-62 mph
6.8 s
7.3 s
0-200 km/h
0-124 mph
24.8 s
32.9 s
Top speed
Unrestricted
250 km/h155 mph
Restricted
240 km/h149 mph
Likely limited
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
6.6 s
1/8 mile
201 m
9.7 s
10.0 s
1000 ft
305 m
12.5 s
12.8 s
1/4 mile
402 m
14.8 s
15.3 s
Trap speed
1/4 mile
402 m
159 km/h
99 mph
151 km/h
94 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
InfinitiQX302.0t
211 hp
157 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
InfinitiQX302.0t
350 Nm
258 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
1,465 kg
3,230 lb
InfinitiQX302.0t
1,467 kg
3,234 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
Unrestricted
250 km/h155 mph
Restricted
240 km/h149 mph
InfinitiQX302.0t
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 2506.8 s
InfinitiQX302.0t7.3 s

The biggest 0-100 km/h difference is between Mercedes-Benz B-class (W246) Facelift 2014 B 250 and Infiniti QX30 2.0t: 0.5 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
6.1 L/100 km
38.6 mpg US
46.3 mpg UK
InfinitiQX302.0t
6.7 L/100 km
35.1 mpg US
42.2 mpg UK

The biggest fuel consumption difference is between Mercedes-Benz B-class (W246) Facelift 2014 B 250 and Infiniti QX30 2.0t: 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
144 hp/t
107 kW/t
6.9 kg/hp
InfinitiQX302.0t
144 hp/t
107 kW/t
7.0 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
820 km
509 mi
InfinitiQX302.0t
836 km
519 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
6.8 s
Unrestricted
250 km/h155 mph
Restricted
240 km/h149 mph
InfinitiQX302.0t
211 hp
157 kW
7.3 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/h6.8 s
Top speed
Unrestricted
250 km/h155 mph
Restricted
240 km/h149 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
InfinitiQX302.0t
Power
211 hp
157 kW
0-100 km/h7.3 s
Top speed
230 km/h
143 mph
Doors/seats
5 doors
5 seats
Trunk
430 L
15.2 cu ft
Length
4,425 mm
174.2 in
Height
1,530 mm
60.2 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/h6.8 s
Top speed
Unrestricted
250 km/h155 mph
Restricted
240 km/h149 mph
6.1 L/100 km
38.6 mpg US
46.3 mpg UK
InfinitiQX302.0t
Power
211 hp
157 kW
0-100 km/h7.3 s
Top speed
230 km/h
143 mph
6.7 L/100 km
35.1 mpg US
42.2 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
6.1 L/100 km
38.6 mpg US
46.3 mpg UK
6.8 s
InfinitiQX302.0t
6.7 L/100 km
35.1 mpg US
42.2 mpg UK
7.3 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
144 hp/t
107 kW/t
6.9 kg/hp
6.1 L/100 km
38.6 mpg US
46.3 mpg UK
InfinitiQX302.0t
144 hp/t
107 kW/t
7.0 kg/hp
6.7 L/100 km
35.1 mpg US
42.2 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleMercedes-BenzB-class (W246)Facelift 2014B 250InfinitiQX302.0t
Power
211 hp
157 kW
211 hp
157 kW
Torque
350 Nm
258 lb-ft
350 Nm
258 lb-ft
Acceleration
6.8 s
7.3 s
Top speed
Unrestricted
250 km/h155 mph
Restricted
240 km/h149 mph
230 km/h
143 mph
Lightness
1,465 kg
3,230 lb
1,467 kg
3,234 lb
Fuel consumption
6.1 L/100 km
38.6 mpg US
46.3 mpg UK
6.7 L/100 km
35.1 mpg US
42.2 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
5 doors
5 seats
Trunk
430 L
15.2 cu ft
Length
4,425 mm
174.2 in
Height
1,530 mm
60.2 in
Range score
820 km
509 mi
836 km
519 mi
CO2 score
143 g/km
155 g/km
Trunk score
488 L
17.2 cu ft
430 L
15.2 cu ft
Power-to-weight score
144 hp/t
107 kW/t
6.9 kg/hp
144 hp/t
107 kW/t
7.0 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 250Infiniti QX30 2.0t
Consumption6.1 L/100 km38.6 mpg US46.3 mpg UK6.7 L/100 km35.1 mpg US42.2 mpg UK
Cost / 100 km10.67 LC100 km11.73 LC100 km
Cost / 100 mi17.18 LC100 mi18.87 LC100 mi
Annual fuel used915 L242 US gal201 UK gal1,005 L265 US gal221 UK gal
Annual fuel cost1,601 LC/year1,759 LC/year

Head-to-head comparisons

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

  • Is 2 kg lighter
  • Is 0.5 s quicker from 0-100 km/h
  • Has 20 km/h (12 mph) higher top speed
  • Uses 0.6 L/100 km less fuel
  • Has 0 hp/t better power-to-weight
  • Has 58 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
  • Largest trunk

Infiniti QX30 2.0t

  • Has 16 km (10 mi) more estimated range

Pros

  • Best estimated range

Cons

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

Choose cars to compare

Brand
Model
Generation
Engine or modification
Mercedes-Benz B-class (W246) B 250
Infiniti QX30 2.0t
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