Car comparison

Mercedes-Benz A-class (W177) · Facelift 2022 AMG A 45 SvsMercedes-Benz B-class (W247) · Facelift 2022 B 250

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

New comparison

Mercedes-Benz A-class (W177) · Facelift 2022

AMG A 45 S

421 hp1991 ccGasolineAWDDual-clutchTurbochargedHatchback2022-present
VS

Mercedes-Benz B-class (W247) · Facelift 2022

B 250

224 hp1991 ccGasolineAWDDual-clutchTurbochargedHatchback2022-present

Comparison overview

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

Best choices

Mercedes-Benz A-class (W177) Facelift 2022 AMG A 45 S

  • Quickest 0-100 km/h
    3.9 s
  • Fastest top speed
    280 km/h
    174 mph Unrestricted
    270 km/h
    168 mph Restricted
  • Most powerful
    421 hp
    314 kW
  • Highest torque
    500 Nm
    369 lb-ft
  • Best power-to-weight
    262 hp/t
    196 kW/t
    3.8 kg/hp
  • Best overall score
    78/100
  • Best performance score
    80/100

Mercedes-Benz B-class (W247) Facelift 2022 B 250

  • Lightest
    1,560 kg
    3,439 lb
  • Lowest combined fuel consumption
    7.7 L/100 km
    30.5 mpg US
    36.7 mpg UK
  • Best estimated range
    662 km
    412 mi
  • Largest trunk
    455 L
  • Best economy score
    86/100
  • Best practicality score
    78/100

Specification comparison

Specification comparison
ModelMercedes-BenzA-class (W177)Facelift 2022AMG A 45 SMercedes-BenzB-class (W247)Facelift 2022B 250
Power
421hp314kW
224hp167kW
Torque
500Nm369lb-ft
350Nm258lb-ft
Curb weight
1,605kg3,538lb
1,560kg3,439lb
Gross weight
2,130kg4,696lb
2,145kg4,729lb
Top speed
Unrestricted
280 km/h174 mph
Restricted
270 km/h168 mph
Calculated
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
47.5s99% target: 277 km/h / 172 mph
Calculated
80.7s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
3.9s
6.5s
0-200 km/h
11.9s
Calculated
22.4s
Calculated
0-60 mph
3.7s
Calculated
6.2s
Calculated
Fuel consumption
9.2L/100 km25.6mpg US30.7mpg UK
7.7L/100 km30.5mpg US36.7mpg UK
Quarter mile
11.8s
Calculated
14.5s
Calculated
Power-to-weight
262hp/t196kW/t119hp/1000 lb
Calculated
144hp/t107kW/t65hp/1000 lb
Calculated
Torque-to-weight
312Nm/t208lb-ft/ton
Calculated
224Nm/t150lb-ft/ton
Calculated
Estimated range
554km344mi
Calculated
662km412mi
Calculated
Displacement
1,991cc121cu in
1,991cc121cu in
Length
4,445mm175in
4,419mm174in
Width
1,850mm73in
-
Height
1,412mm56in
1,567mm62in
Wheelbase
2,729mm107in
2,729mm107in
Front track
1,597mm63in
1,567mm62in
Rear track
1,558mm61in
1,567mm62in
Trunk volume
370L
455L
Max trunk volume
1,210L
1,540L
Doors
5
5
Seats
5
5
Fuel tank
51L
51L

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) Facelift 2022 AMG A 45 SMercedes-Benz B-class (W247) Facelift 2022 B 250PowerTorque
  • Mercedes-Benz A-class (W177) Facelift 2022 AMG A 45 S: Power / Torque
  • Mercedes-Benz B-class (W247) Facelift 2022 B 250: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Mercedes-BenzA-class (W177)Facelift 2022AMG A 45 S6,750 rpm5,000-5,250 rpm7,000 rpm
Mercedes-BenzB-class (W247)Facelift 2022B 2505,500 rpm-5,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricMercedes-BenzA-class (W177)Facelift 2022AMG A 45 SMercedes-BenzB-class (W247)Facelift 2022B 250
Acceleration checkpoints
0-60 mph
0-97 km/h
3.7 s
6.2 s
0-100 km/h
0-62 mph
3.9 s
6.5 s
0-200 km/h
0-124 mph
11.9 s
22.4 s
Top speed
Unrestricted
280 km/h174 mph
Restricted
270 km/h168 mph
Limited
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Likely limited
Drag race simulation
60 ft
18 m
2.0 s
2.5 s
330 ft
101 m
5.2 s
6.4 s
1/8 mile
201 m
7.8 s
9.6 s
1000 ft
305 m
9.9 s
12.3 s
1/4 mile
402 m
11.8 s
14.5 s
Trap speed
1/4 mile
402 m
199 km/h
124 mph
164 km/h
102 mph

Power comparison

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

Chart data table
VehicleValue
Mercedes-BenzA-class (W177)Facelift 2022AMG A 45 S
421 hp
314 kW
Mercedes-BenzB-class (W247)Facelift 2022B 250
224 hp
167 kW

Mercedes-Benz A-class (W177) Facelift 2022 AMG A 45 S has 197 hp more than Mercedes-Benz B-class (W247) Facelift 2022 B 250.

The biggest power difference is between Mercedes-Benz B-class (W247) Facelift 2022 B 250 and Mercedes-Benz A-class (W177) Facelift 2022 AMG A 45 S: 197 hp (147 kW).

Torque comparison

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

Chart data table
VehicleValue
Mercedes-BenzA-class (W177)Facelift 2022AMG A 45 S
500 Nm
369 lb-ft
Mercedes-BenzB-class (W247)Facelift 2022B 250
350 Nm
258 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
Mercedes-BenzA-class (W177)Facelift 2022AMG A 45 S
1,605 kg
3,538 lb
Mercedes-BenzB-class (W247)Facelift 2022B 250
1,560 kg
3,439 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)Facelift 2022AMG A 45 S
Unrestricted
280 km/h174 mph
Restricted
270 km/h168 mph
Mercedes-BenzB-class (W247)Facelift 2022B 250
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 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)Facelift 2022AMG A 45 S3.9 s
Mercedes-BenzB-class (W247)Facelift 2022B 2506.5 s

The biggest 0-100 km/h difference is between Mercedes-Benz A-class (W177) Facelift 2022 AMG A 45 S and Mercedes-Benz B-class (W247) Facelift 2022 B 250: 2.6 s.

Fuel consumption comparison

Bar comparison chart for Fuel consumption. Lower is better · L/100 km / mpg US / mpg UK

Chart data table
VehicleValue
Mercedes-BenzA-class (W177)Facelift 2022AMG A 45 S
9.2 L/100 km
25.6 mpg US
30.7 mpg UK
Mercedes-BenzB-class (W247)Facelift 2022B 250
7.7 L/100 km
30.5 mpg US
36.7 mpg UK

The biggest fuel consumption difference is between Mercedes-Benz B-class (W247) Facelift 2022 B 250 and Mercedes-Benz A-class (W177) Facelift 2022 AMG A 45 S: 1.5 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
Mercedes-BenzA-class (W177)Facelift 2022AMG A 45 S
262 hp/t
196 kW/t
3.8 kg/hp
Mercedes-BenzB-class (W247)Facelift 2022B 250
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-BenzA-class (W177)Facelift 2022AMG A 45 S
554 km
344 mi
Mercedes-BenzB-class (W247)Facelift 2022B 250
662 km
412 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Mercedes-BenzA-class (W177)Facelift 2022AMG A 45 S
421 hp
314 kW
3.9 s
Unrestricted
280 km/h174 mph
Restricted
270 km/h168 mph
Mercedes-BenzB-class (W247)Facelift 2022B 250
224 hp
167 kW
6.5 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 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)Facelift 2022AMG A 45 S
Power
421 hp
314 kW
0-100 km/h3.9 s
Top speed
Unrestricted
280 km/h174 mph
Restricted
270 km/h168 mph
Doors/seats
5 doors
5 seats
Trunk
370 L
13.1 cu ft
Length
4,445 mm
175.0 in
Height
1,412 mm
55.6 in
Mercedes-BenzB-class (W247)Facelift 2022B 250
Power
224 hp
167 kW
0-100 km/h6.5 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
5 doors
5 seats
Trunk
455 L
16.1 cu ft
Length
4,419 mm
174.0 in
Height
1,567 mm
61.7 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)Facelift 2022AMG A 45 S
Power
421 hp
314 kW
0-100 km/h3.9 s
Top speed
Unrestricted
280 km/h174 mph
Restricted
270 km/h168 mph
9.2 L/100 km
25.6 mpg US
30.7 mpg UK
Mercedes-BenzB-class (W247)Facelift 2022B 250
Power
224 hp
167 kW
0-100 km/h6.5 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
7.7 L/100 km
30.5 mpg US
36.7 mpg UK

Mercedes-Benz A-class (W177) Facelift 2022 AMG A 45 S 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)Facelift 2022AMG A 45 S
9.2 L/100 km
25.6 mpg US
30.7 mpg UK
3.9 s
Mercedes-BenzB-class (W247)Facelift 2022B 250
7.7 L/100 km
30.5 mpg US
36.7 mpg UK
6.5 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
Mercedes-BenzA-class (W177)Facelift 2022AMG A 45 S
262 hp/t
196 kW/t
3.8 kg/hp
9.2 L/100 km
25.6 mpg US
30.7 mpg UK
Mercedes-BenzB-class (W247)Facelift 2022B 250
144 hp/t
107 kW/t
7.0 kg/hp
7.7 L/100 km
30.5 mpg US
36.7 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleMercedes-BenzA-class (W177)Facelift 2022AMG A 45 SMercedes-BenzB-class (W247)Facelift 2022B 250
Power
421 hp
314 kW
224 hp
167 kW
Torque
500 Nm
369 lb-ft
350 Nm
258 lb-ft
Acceleration
3.9 s
6.5 s
Top speed
Unrestricted
280 km/h174 mph
Restricted
270 km/h168 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
1,605 kg
3,538 lb
1,560 kg
3,439 lb
Fuel consumption
9.2 L/100 km
25.6 mpg US
30.7 mpg UK
7.7 L/100 km
30.5 mpg US
36.7 mpg UK
Practicality
Doors/seats
5 doors
5 seats
Trunk
370 L
13.1 cu ft
Length
4,445 mm
175.0 in
Height
1,412 mm
55.6 in
Doors/seats
5 doors
5 seats
Trunk
455 L
16.1 cu ft
Length
4,419 mm
174.0 in
Height
1,567 mm
61.7 in
Range score
554 km
344 mi
662 km
412 mi
Trunk score
370 L
13.1 cu ft
455 L
16.1 cu ft
Power-to-weight score
262 hp/t
196 kW/t
3.8 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 A-class (W177) Facelift 2022 AMG A 45 SMercedes-Benz B-class (W247) Facelift 2022 B 250
Consumption9.2 L/100 km25.6 mpg US30.7 mpg UK7.7 L/100 km30.5 mpg US36.7 mpg UK
Cost / 100 km16.10 LC100 km13.48 LC100 km
Cost / 100 mi25.91 LC100 mi21.69 LC100 mi
Annual fuel used1,380 L365 US gal304 UK gal1,155 L305 US gal254 UK gal
Annual fuel cost2,415 LC/year2,021 LC/year

Head-to-head comparisons

Mercedes-Benz A-class (W177) Facelift 2022 AMG A 45 S

  • Has 197 hp more
  • Has 150 Nm more
  • Is 2.6 s quicker from 0-100 km/h
  • Has 20 km/h (12 mph) higher top speed
  • Has 119 hp/t better power-to-weight

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Most powerful
  • Highest torque
  • Best power-to-weight ratio

Cons

  • Highest combined fuel consumption
  • Heaviest
  • Smallest trunk

Mercedes-Benz B-class (W247) Facelift 2022 B 250

  • Is 45 kg lighter
  • Uses 1.5 L/100 km less fuel
  • Has 108 km (67 mi) more estimated range
  • Has 85 L more trunk volume

Pros

  • Lightest
  • Lowest combined fuel consumption
  • Best estimated range
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
Mercedes-Benz A-class (W177) AMG A 45 S
Mercedes-Benz B-class (W247) B 250
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2 vehicles selected

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