Car comparison

Mercedes-Benz CLA Shooting Brake (X118) AMG CLA 45 SvsBMW 3 Series Touring (G21) M340i

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

New comparison

Mercedes-Benz CLA Shooting Brake (X118)

AMG CLA 45 S

421 hp1991 ccGasolineAWDDual-clutchTurbochargedWagon / estate2019-2023
VS

BMW 3 Series Touring (G21)

M340i

374 hp2998 ccGasolineAWDAutomaticTurbochargedWagon / estate2019-2022

Comparison overview

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

Best choices

Mercedes-Benz CLA Shooting Brake (X118) AMG CLA 45 S

  • Quickest 0-100 km/h
    4.0 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
  • Lightest
    1,640 kg
    3,616 lb
  • Best power-to-weight
    257 hp/t
    191 kW/t
    3.9 kg/hp
  • Largest trunk
    505 L
  • Best overall score
    81/100
  • Best performance score
    79/100
  • Best practicality score
    84/100

BMW 3 Series Touring (G21) M340i

  • Lowest combined fuel consumption
    7.6 L/100 km
    30.9 mpg US
    37.2 mpg UK
  • Lowest city consumption
    9.7 L/100 km
    24.2 mpg US
    29.1 mpg UK
  • Lowest highway consumption
    6.3 L/100 km
    37.3 mpg US
    44.8 mpg UK
  • Best estimated range
    776 km
    482 mi
  • Best economy score
    86/100

Specification comparison

Specification comparison
ModelMercedes-BenzCLA Shooting Brake (X118)AMG CLA 45 SBMW3 Series Touring (G21)M340i
Power
421hp314kW
374hp279kW
Torque
500Nm369lb-ft
500Nm369lb-ft
Curb weight
1,640kg3,616lb
1,770kg3,902lb
Gross weight
2,205kg4,861lb
2,365kg5,214lb
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
40.1s99% target: 277 km/h / 172 mph
Calculated
44.2s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
4.0s
4.5s
0-200 km/h
11.2s
Calculated
13.8s
Calculated
0-60 mph
3.8s
Calculated
4.3s
Calculated
Fuel consumption
8.3L/100 km28.3mpg US34.0mpg UK
7.6L/100 km30.9mpg US37.2mpg UK
Fuel consumption city
10.7L/100 km22mpg US26.4mpg UK
9.7L/100 km24.2mpg US29.1mpg UK
Fuel consumption highway
7.2L/100 km32.7mpg US39.2mpg UK
6.3L/100 km37.3mpg US44.8mpg UK
Quarter mile
11.7s
Calculated
12.4s
Calculated
Power-to-weight
257hp/t191kW/t116hp/1000 lb
Calculated
211hp/t158kW/t96hp/1000 lb
Calculated
Torque-to-weight
305Nm/t204lb-ft/ton
Calculated
282Nm/t189lb-ft/ton
Calculated
Estimated range
614km382mi
Calculated
776km482mi
Calculated
Displacement
1,991cc121cu in
2,998cc183cu in
Length
4,688mm185in
4,713mm186in
Width
1,830mm72in
1,827mm72in
Height
1,442mm57in
1,440mm57in
Wheelbase
2,729mm107in
2,851mm112in
Front track-
1,583mm62in
Rear track-
1,567mm62in
Ground clearance-
130mm5in
Trunk volume
505L
500L
Max trunk volume
1,370L
1,510L
Doors
5
5
Seats
5
5
Fuel tank
51L
59L
CO2 emissions-
172g/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 CLA Shooting Brake (X118) AMG CLA 45 SBMW 3 Series Touring (G21) M340iPowerTorque
  • Mercedes-Benz CLA Shooting Brake (X118) AMG CLA 45 S: Power / Torque
  • BMW 3 Series Touring (G21) M340i: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Mercedes-BenzCLA Shooting Brake (X118)AMG CLA 45 S6,750 rpm5,000-5,250 rpm7,000 rpm
BMW3 Series Touring (G21)M340i5,500-6,500 rpm1,850-5,000 rpm6,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricMercedes-BenzCLA Shooting Brake (X118)AMG CLA 45 SBMW3 Series Touring (G21)M340i
Acceleration checkpoints
0-60 mph
0-97 km/h
3.8 s
4.3 s
0-100 km/h
0-62 mph
4.0 s
4.5 s
0-200 km/h
0-124 mph
11.2 s
13.8 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
2.2 s
2.2 s
330 ft
101 m
5.3 s
5.6 s
1/8 mile
201 m
7.8 s
8.2 s
1000 ft
305 m
9.9 s
10.5 s
1/4 mile
402 m
11.7 s
12.4 s
Trap speed
1/4 mile
402 m
205 km/h
127 mph
191 km/h
118 mph

Power comparison

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

Chart data table
VehicleValue
Mercedes-BenzCLA Shooting Brake (X118)AMG CLA 45 S
421 hp
314 kW
BMW3 Series Touring (G21)M340i
374 hp
279 kW

Mercedes-Benz CLA Shooting Brake (X118) AMG CLA 45 S has 47 hp more than BMW 3 Series Touring (G21) M340i.

The biggest power difference is between BMW 3 Series Touring (G21) M340i and Mercedes-Benz CLA Shooting Brake (X118) AMG CLA 45 S: 47 hp (35 kW).

Torque comparison

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

Chart data table
VehicleValue
Mercedes-BenzCLA Shooting Brake (X118)AMG CLA 45 S
500 Nm
369 lb-ft
BMW3 Series Touring (G21)M340i
500 Nm
369 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
Mercedes-BenzCLA Shooting Brake (X118)AMG CLA 45 S
1,640 kg
3,616 lb
BMW3 Series Touring (G21)M340i
1,770 kg
3,902 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-BenzCLA Shooting Brake (X118)AMG CLA 45 S
Unrestricted
280 km/h174 mph
Restricted
270 km/h168 mph
BMW3 Series Touring (G21)M340i
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-BenzCLA Shooting Brake (X118)AMG CLA 45 S4.0 s
BMW3 Series Touring (G21)M340i4.5 s

The biggest 0-100 km/h difference is between Mercedes-Benz CLA Shooting Brake (X118) AMG CLA 45 S and BMW 3 Series Touring (G21) M340i: 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-BenzCLA Shooting Brake (X118)AMG CLA 45 S
8.3 L/100 km
28.3 mpg US
34.0 mpg UK
BMW3 Series Touring (G21)M340i
7.6 L/100 km
30.9 mpg US
37.2 mpg UK

The biggest fuel consumption difference is between BMW 3 Series Touring (G21) M340i and Mercedes-Benz CLA Shooting Brake (X118) AMG CLA 45 S: 0.7 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-BenzCLA Shooting Brake (X118)AMG CLA 45 S
257 hp/t
191 kW/t
3.9 kg/hp
BMW3 Series Touring (G21)M340i
211 hp/t
158 kW/t
4.7 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
Mercedes-BenzCLA Shooting Brake (X118)AMG CLA 45 S
614 km
382 mi
BMW3 Series Touring (G21)M340i
776 km
482 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Mercedes-BenzCLA Shooting Brake (X118)AMG CLA 45 S
421 hp
314 kW
4.0 s
Unrestricted
280 km/h174 mph
Restricted
270 km/h168 mph
BMW3 Series Touring (G21)M340i
374 hp
279 kW
4.5 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-BenzCLA Shooting Brake (X118)AMG CLA 45 S
Power
421 hp
314 kW
0-100 km/h4.0 s
Top speed
Unrestricted
280 km/h174 mph
Restricted
270 km/h168 mph
Doors/seats
5 doors
5 seats
Trunk
505 L
17.8 cu ft
Length
4,688 mm
184.6 in
Height
1,442 mm
56.8 in
BMW3 Series Touring (G21)M340i
Power
374 hp
279 kW
0-100 km/h4.5 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
5 doors
5 seats
Trunk
500 L
17.7 cu ft
Length
4,713 mm
185.6 in
Height
1,440 mm
56.7 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-BenzCLA Shooting Brake (X118)AMG CLA 45 S
Power
421 hp
314 kW
0-100 km/h4.0 s
Top speed
Unrestricted
280 km/h174 mph
Restricted
270 km/h168 mph
8.3 L/100 km
28.3 mpg US
34.0 mpg UK
BMW3 Series Touring (G21)M340i
Power
374 hp
279 kW
0-100 km/h4.5 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
7.6 L/100 km
30.9 mpg US
37.2 mpg UK

Mercedes-Benz CLA Shooting Brake (X118) AMG CLA 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-BenzCLA Shooting Brake (X118)AMG CLA 45 S
8.3 L/100 km
28.3 mpg US
34.0 mpg UK
4.0 s
BMW3 Series Touring (G21)M340i
7.6 L/100 km
30.9 mpg US
37.2 mpg UK
4.5 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-BenzCLA Shooting Brake (X118)AMG CLA 45 S
257 hp/t
191 kW/t
3.9 kg/hp
8.3 L/100 km
28.3 mpg US
34.0 mpg UK
BMW3 Series Touring (G21)M340i
211 hp/t
158 kW/t
4.7 kg/hp
7.6 L/100 km
30.9 mpg US
37.2 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleMercedes-BenzCLA Shooting Brake (X118)AMG CLA 45 SBMW3 Series Touring (G21)M340i
Power
421 hp
314 kW
374 hp
279 kW
Torque
500 Nm
369 lb-ft
500 Nm
369 lb-ft
Acceleration
4.0 s
4.5 s
Top speed
Unrestricted
280 km/h174 mph
Restricted
270 km/h168 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
1,640 kg
3,616 lb
1,770 kg
3,902 lb
Fuel consumption
8.3 L/100 km
28.3 mpg US
34.0 mpg UK
7.6 L/100 km
30.9 mpg US
37.2 mpg UK
Practicality
Doors/seats
5 doors
5 seats
Trunk
505 L
17.8 cu ft
Length
4,688 mm
184.6 in
Height
1,442 mm
56.8 in
Doors/seats
5 doors
5 seats
Trunk
500 L
17.7 cu ft
Length
4,713 mm
185.6 in
Height
1,440 mm
56.7 in
Range score
614 km
382 mi
776 km
482 mi
CO2 score
-
172 g/km
Trunk score
505 L
17.8 cu ft
500 L
17.7 cu ft
Power-to-weight score
257 hp/t
191 kW/t
3.9 kg/hp
211 hp/t
158 kW/t
4.7 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 CLA Shooting Brake (X118) AMG CLA 45 SBMW 3 Series Touring (G21) M340i
Consumption8.3 L/100 km28.3 mpg US34 mpg UK7.6 L/100 km30.9 mpg US37.2 mpg UK
Cost / 100 km14.53 LC100 km13.30 LC100 km
Cost / 100 mi23.38 LC100 mi21.40 LC100 mi
Annual fuel used1,245 L329 US gal274 UK gal1,140 L301 US gal251 UK gal
Annual fuel cost2,179 LC/year1,995 LC/year

Head-to-head comparisons

Mercedes-Benz CLA Shooting Brake (X118) AMG CLA 45 S

  • Has 47 hp more
  • Is 130 kg lighter
  • Is 0.5 s quicker from 0-100 km/h
  • Has 20 km/h (12 mph) higher top speed
  • Has 45 hp/t better power-to-weight
  • Has 5 L more trunk volume

Pros

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

Cons

  • Highest combined fuel consumption

BMW 3 Series Touring (G21) M340i

  • Uses 0.7 L/100 km less fuel
  • Has 162 km (101 mi) more estimated range

Pros

  • Lowest combined fuel consumption
  • Best estimated range

Cons

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

Choose cars to compare

Brand
Model
Generation
Engine or modification
Mercedes-Benz CLA Shooting Brake (X118) AMG CLA 45 S
BMW 3 Series Touring (G21) M340i
Compare selected cars
2 vehicles selected

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