Car comparison

Mercedes-Benz B-class (W246) · Facelift 2014 B 250vsOpel Insignia Grand Sport (B) GSi 2.0 CDTI BiTurbo

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

Opel Insignia Grand Sport (B)

GSi 2.0 CDTI BiTurbo

210 hp1956 ccDieselAWDAutomaticTwin-turboHatchback2017-2019

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
  • Lightest
    1,505 kg
    3,318 lb
  • Best power-to-weight
    140 hp/t
    105 kW/t
    7.1 kg/hp
  • Lowest combined fuel consumption
    6.7 L/100 km
    35.1 mpg US
    42.2 mpg UK
  • Lowest city consumption
    8.4 L/100 km
    28.0 mpg US
    33.6 mpg UK
  • Lowest highway consumption
    5.7 L/100 km
    41.3 mpg US
    49.6 mpg UK
  • Lowest CO2 emissions
    156 g/km
  • Best overall score
    63/100
  • Best performance score
    56/100
  • Best economy score
    89/100
  • Best practicality score
    79/100

Specification comparison

Specification comparison
ModelMercedes-BenzB-class (W246)Facelift 2014B 250OpelInsignia Grand Sport (B)GSi 2.0 CDTI BiTurbo
Power
211hp157kW
210hp157kW
Torque
350Nm258lb-ft
480Nm354lb-ft
Curb weight
1,505kg3,318lb
1,697kg3,741lb
Gross weight
2,030kg4,475lb
2,315kg5,104lb
Top speed
235 km/h
146 mph
233 km/h
145 mph
To 99% top speed
73.8s99% target: 233 km/h / 145 mph
Calculated
95.5s99% target: 231 km/h / 143 mph
Calculated
0-100 km/h
6.7s
7.8s
0-200 km/h
27.1s
Calculated
34.5s
Calculated
0-60 mph
6.4s
Calculated
7.4s
Calculated
Fuel consumption
6.7L/100 km35.1mpg US42.2mpg UK
7.3L/100 km32.2mpg US38.7mpg UK
Fuel consumption city
8.4L/100 km28mpg US33.6mpg UK
8.9L/100 km26.4mpg US31.7mpg UK
Fuel consumption highway
5.7L/100 km41.3mpg US49.6mpg UK
6.1L/100 km38.6mpg US46.3mpg UK
Quarter mile
14.7s
Calculated
15.6s
Calculated
Power-to-weight
140hp/t105kW/t64hp/1000 lb
Calculated
124hp/t92kW/t56hp/1000 lb
Calculated
Torque-to-weight
233Nm/t156lb-ft/ton
Calculated
283Nm/t189lb-ft/ton
Calculated
Estimated range
836km519mi
Calculated
849km528mi
Calculated
Displacement
1,991cc121cu in
1,956cc119cu in
Length
4,393mm173in
4,910mm193in
Width
1,786mm70in
1,863mm73in
Height
1,557mm61in
1,445mm57in
Wheelbase
2,699mm106in
2,829mm111in
Front track
1,552mm61in
1,607mm63in
Rear track
1,549mm61in
1,610mm63in
Ground clearance
98mm4in
-
Trunk volume
488L
490L
Max trunk volume
1,547L
1,450L
Doors
5
5
Seats
5
5
Fuel tank
56L
62L
CO2 emissions
156g/km
192g/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 250Opel Insignia Grand Sport (B) GSi 2.0 CDTI BiTurboPowerTorque
  • Mercedes-Benz B-class (W246) Facelift 2014 B 250: Power / Torque
  • Opel Insignia Grand Sport (B) GSi 2.0 CDTI BiTurbo: 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
OpelInsignia Grand Sport (B)GSi 2.0 CDTI BiTurbo4,000 rpm1,500 rpm4,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricMercedes-BenzB-class (W246)Facelift 2014B 250OpelInsignia Grand Sport (B)GSi 2.0 CDTI BiTurbo
Acceleration checkpoints
0-60 mph
0-97 km/h
6.4 s
7.4 s
0-100 km/h
0-62 mph
6.7 s
7.8 s
0-200 km/h
0-124 mph
27.1 s
34.5 s
Top speed
235 km/h
146 mph
233 km/h
145 mph
Drag race simulation
60 ft
18 m
2.5 s
2.5 s
330 ft
101 m
6.5 s
6.8 s
1/8 mile
201 m
9.7 s
10.2 s
1000 ft
305 m
12.4 s
13.2 s
1/4 mile
402 m
14.7 s
15.6 s
Trap speed
1/4 mile
402 m
158 km/h
98 mph
148 km/h
92 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
OpelInsignia Grand Sport (B)GSi 2.0 CDTI BiTurbo
210 hp
157 kW

Mercedes-Benz B-class (W246) Facelift 2014 B 250 has 1 hp more than Opel Insignia Grand Sport (B) GSi 2.0 CDTI BiTurbo.

The biggest power difference is between Opel Insignia Grand Sport (B) GSi 2.0 CDTI BiTurbo and Mercedes-Benz B-class (W246) Facelift 2014 B 250: 1 hp (1 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
OpelInsignia Grand Sport (B)GSi 2.0 CDTI BiTurbo
480 Nm
354 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
OpelInsignia Grand Sport (B)GSi 2.0 CDTI BiTurbo
1,697 kg
3,741 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
OpelInsignia Grand Sport (B)GSi 2.0 CDTI BiTurbo
233 km/h
145 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
OpelInsignia Grand Sport (B)GSi 2.0 CDTI BiTurbo7.8 s

The biggest 0-100 km/h difference is between Mercedes-Benz B-class (W246) Facelift 2014 B 250 and Opel Insignia Grand Sport (B) GSi 2.0 CDTI BiTurbo: 1.1 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
OpelInsignia Grand Sport (B)GSi 2.0 CDTI BiTurbo
7.3 L/100 km
32.2 mpg US
38.7 mpg UK

The biggest fuel consumption difference is between Mercedes-Benz B-class (W246) Facelift 2014 B 250 and Opel Insignia Grand Sport (B) GSi 2.0 CDTI BiTurbo: 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
OpelInsignia Grand Sport (B)GSi 2.0 CDTI BiTurbo
124 hp/t
92 kW/t
8.1 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
OpelInsignia Grand Sport (B)GSi 2.0 CDTI BiTurbo
849 km
528 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
OpelInsignia Grand Sport (B)GSi 2.0 CDTI BiTurbo
210 hp
157 kW
7.8 s
233 km/h
145 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
OpelInsignia Grand Sport (B)GSi 2.0 CDTI BiTurbo
Power
210 hp
157 kW
0-100 km/h7.8 s
Top speed
233 km/h
145 mph
Doors/seats
5 doors
5 seats
Trunk
490 L
17.3 cu ft
Length
4,910 mm
193.3 in
Height
1,445 mm
56.9 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
OpelInsignia Grand Sport (B)GSi 2.0 CDTI BiTurbo
Power
210 hp
157 kW
0-100 km/h7.8 s
Top speed
233 km/h
145 mph
7.3 L/100 km
32.2 mpg US
38.7 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
OpelInsignia Grand Sport (B)GSi 2.0 CDTI BiTurbo
7.3 L/100 km
32.2 mpg US
38.7 mpg UK
7.8 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
OpelInsignia Grand Sport (B)GSi 2.0 CDTI BiTurbo
124 hp/t
92 kW/t
8.1 kg/hp
7.3 L/100 km
32.2 mpg US
38.7 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleMercedes-BenzB-class (W246)Facelift 2014B 250OpelInsignia Grand Sport (B)GSi 2.0 CDTI BiTurbo
Power
211 hp
157 kW
210 hp
157 kW
Torque
350 Nm
258 lb-ft
480 Nm
354 lb-ft
Acceleration
6.7 s
7.8 s
Top speed
235 km/h
146 mph
233 km/h
145 mph
Lightness
1,505 kg
3,318 lb
1,697 kg
3,741 lb
Fuel consumption
6.7 L/100 km
35.1 mpg US
42.2 mpg UK
7.3 L/100 km
32.2 mpg US
38.7 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
490 L
17.3 cu ft
Length
4,910 mm
193.3 in
Height
1,445 mm
56.9 in
Range score
836 km
519 mi
849 km
528 mi
CO2 score
156 g/km
192 g/km
Trunk score
488 L
17.2 cu ft
490 L
17.3 cu ft
Power-to-weight score
140 hp/t
105 kW/t
7.1 kg/hp
124 hp/t
92 kW/t
8.1 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 250Opel Insignia Grand Sport (B) GSi 2.0 CDTI BiTurbo
Consumption6.7 L/100 km35.1 mpg US42.2 mpg UK7.3 L/100 km32.2 mpg US38.7 mpg UK
Cost / 100 km11.73 LC100 km12.78 LC100 km
Cost / 100 mi18.87 LC100 mi20.56 LC100 mi
Annual fuel used1,005 L265 US gal221 UK gal1,095 L289 US gal241 UK gal
Annual fuel cost1,759 LC/year1,916 LC/year

Head-to-head comparisons

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

  • Has 1 hp more
  • Is 192 kg lighter
  • Is 1.1 s quicker from 0-100 km/h
  • Has 2 km/h (1 mph) higher top speed
  • Uses 0.6 L/100 km less fuel
  • Has 16 hp/t better power-to-weight
  • Emits 36 g/km less CO2

Pros

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

Cons

  • Smallest trunk

Opel Insignia Grand Sport (B) GSi 2.0 CDTI BiTurbo

  • Has 130 Nm more
  • Has 13 km (8 mi) more estimated range
  • Has 2 L more trunk volume

Pros

  • Highest torque
  • Best estimated range
  • Largest trunk

Cons

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

Choose cars to compare

Brand
Model
Generation
Engine or modification
Mercedes-Benz B-class (W246) B 250
Opel Insignia Grand Sport (B) GSi 2.0 CDTI BiTurbo
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