Car comparison

Alpina B3 Touring (G21) · Facelift 2024 GT 3.0vsMercedes-Benz CLA Shooting Brake (X118) AMG CLA 45 S

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

New comparison

Alpina B3 Touring (G21) · Facelift 2024

GT 3.0

529 hp2993 ccGasolineAWDAutomaticTwin-turboWagon / estate2024-present
VS

Mercedes-Benz CLA Shooting Brake (X118)

AMG CLA 45 S

421 hp1991 ccGasolineAWDDual-clutchTurbochargedWagon / estate2019-2023

Comparison overview

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

Best choices

Alpina B3 Touring (G21) Facelift 2024 GT 3.0

  • Quickest 0-100 km/h
    3.5 s
  • Fastest top speed
    305 km/h
    190 mph
  • Most powerful
    529 hp
    394 kW
  • Highest torque
    730 Nm
    538 lb-ft
  • Best power-to-weight
    283 hp/t
    211 kW/t
    3.5 kg/hp
  • Best overall score
    89/100
  • Best performance score
    91/100
  • Best practicality score
    84/100

Specification comparison

Specification comparison
ModelAlpinaB3 Touring (G21)Facelift 2024GT 3.0Mercedes-BenzCLA Shooting Brake (X118)AMG CLA 45 S
Power
529hp394kW
421hp314kW
Torque
730Nm538lb-ft
500Nm369lb-ft
Curb weight
1,870kg4,123lb
1,640kg3,616lb
Gross weight
2,430kg5,357lb
2,205kg4,861lb
Top speed
305 km/h
190 mph
Unrestricted
280 km/h174 mph
Restricted
270 km/h168 mph
Calculated
To 99% top speed
74.5s99% target: 302 km/h / 188 mph
Calculated
40.1s99% target: 277 km/h / 172 mph
Calculated
0-100 km/h
3.5s
4.0s
0-200 km/h
12.0s
11.2s
Calculated
0-60 mph
3.3s
Calculated
3.8s
Calculated
Fuel consumption
10.6L/100 km22.2mpg US26.6mpg UK
8.3L/100 km28.3mpg US34.0mpg UK
Fuel consumption city-
10.7L/100 km22mpg US26.4mpg UK
Fuel consumption highway-
7.2L/100 km32.7mpg US39.2mpg UK
Quarter mile
11.5s
Calculated
11.7s
Calculated
Power-to-weight
283hp/t211kW/t128hp/1000 lb
Calculated
257hp/t191kW/t116hp/1000 lb
Calculated
Torque-to-weight
390Nm/t261lb-ft/ton
Calculated
305Nm/t204lb-ft/ton
Calculated
Estimated range
557km346mi
Calculated
614km382mi
Calculated
Displacement
2,993cc183cu in
1,991cc121cu in
Length
4,725mm186in
4,688mm185in
Width
1,827mm72in
1,830mm72in
Height
1,438mm57in
1,442mm57in
Wheelbase
2,851mm112in
2,729mm107in
Front track
1,577mm62in
-
Rear track
1,572mm62in
-
Trunk volume
500L
505L
Max trunk volume
1,510L
1,370L
Doors
5
5
Seats
5
5
Fuel tank
59L
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.

Alpina B3 Touring (G21) Facelift 2024 GT 3.0Mercedes-Benz CLA Shooting Brake (X118) AMG CLA 45 SPowerTorque
  • Alpina B3 Touring (G21) Facelift 2024 GT 3.0: Power / Torque
  • Mercedes-Benz CLA Shooting Brake (X118) AMG CLA 45 S: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
AlpinaB3 Touring (G21)Facelift 2024GT 3.06,250-6,500 rpm2,500-4,500 rpm6,750 rpm
Mercedes-BenzCLA Shooting Brake (X118)AMG CLA 45 S6,750 rpm5,000-5,250 rpm7,000 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAlpinaB3 Touring (G21)Facelift 2024GT 3.0Mercedes-BenzCLA Shooting Brake (X118)AMG CLA 45 S
Acceleration checkpoints
0-60 mph
0-97 km/h
3.3 s
3.8 s
0-100 km/h
0-62 mph
3.5 s
4.0 s
0-200 km/h
0-124 mph
12.0 s
11.2 s
Top speed
305 km/h
190 mph
Unrestricted
280 km/h174 mph
Restricted
270 km/h168 mph
Limited
Drag race simulation
60 ft
18 m
1.8 s
2.2 s
330 ft
101 m
4.9 s
5.3 s
1/8 mile
201 m
7.4 s
7.8 s
1000 ft
305 m
9.7 s
9.9 s
1/4 mile
402 m
11.5 s
11.7 s
Trap speed
1/4 mile
402 m
196 km/h
122 mph
205 km/h
127 mph

Power comparison

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

Chart data table
VehicleValue
AlpinaB3 Touring (G21)Facelift 2024GT 3.0
529 hp
394 kW
Mercedes-BenzCLA Shooting Brake (X118)AMG CLA 45 S
421 hp
314 kW

Alpina B3 Touring (G21) Facelift 2024 GT 3.0 has 108 hp more than Mercedes-Benz CLA Shooting Brake (X118) AMG CLA 45 S.

The biggest power difference is between Mercedes-Benz CLA Shooting Brake (X118) AMG CLA 45 S and Alpina B3 Touring (G21) Facelift 2024 GT 3.0: 108 hp (81 kW).

Torque comparison

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

Chart data table
VehicleValue
AlpinaB3 Touring (G21)Facelift 2024GT 3.0
730 Nm
538 lb-ft
Mercedes-BenzCLA Shooting Brake (X118)AMG CLA 45 S
500 Nm
369 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
AlpinaB3 Touring (G21)Facelift 2024GT 3.0
1,870 kg
4,123 lb
Mercedes-BenzCLA Shooting Brake (X118)AMG CLA 45 S
1,640 kg
3,616 lb

Top speed without limiter comparison

Bar comparison chart for Top speed without limiter. Higher is better · km/h / mph

Chart data table
VehicleValue
AlpinaB3 Touring (G21)Facelift 2024GT 3.0
305 km/h
190 mph
Mercedes-BenzCLA Shooting Brake (X118)AMG CLA 45 S
Unrestricted
280 km/h174 mph
Restricted
270 km/h168 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
AlpinaB3 Touring (G21)Facelift 2024GT 3.03.5 s
Mercedes-BenzCLA Shooting Brake (X118)AMG CLA 45 S4.0 s

The biggest 0-100 km/h difference is between Alpina B3 Touring (G21) Facelift 2024 GT 3.0 and Mercedes-Benz CLA Shooting Brake (X118) AMG CLA 45 S: 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
AlpinaB3 Touring (G21)Facelift 2024GT 3.0
10.6 L/100 km
22.2 mpg US
26.6 mpg UK
Mercedes-BenzCLA Shooting Brake (X118)AMG CLA 45 S
8.3 L/100 km
28.3 mpg US
34.0 mpg UK

The biggest fuel consumption difference is between Mercedes-Benz CLA Shooting Brake (X118) AMG CLA 45 S and Alpina B3 Touring (G21) Facelift 2024 GT 3.0: 2.3 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
AlpinaB3 Touring (G21)Facelift 2024GT 3.0
283 hp/t
211 kW/t
3.5 kg/hp
Mercedes-BenzCLA Shooting Brake (X118)AMG CLA 45 S
257 hp/t
191 kW/t
3.9 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
AlpinaB3 Touring (G21)Facelift 2024GT 3.0
557 km
346 mi
Mercedes-BenzCLA Shooting Brake (X118)AMG CLA 45 S
614 km
382 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
AlpinaB3 Touring (G21)Facelift 2024GT 3.0
529 hp
394 kW
3.5 s
305 km/h
190 mph
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

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
AlpinaB3 Touring (G21)Facelift 2024GT 3.0
Power
529 hp
394 kW
0-100 km/h3.5 s
Top speed
305 km/h
190 mph
Doors/seats
5 doors
5 seats
Trunk
500 L
17.7 cu ft
Length
4,725 mm
186.0 in
Height
1,438 mm
56.6 in
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

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
AlpinaB3 Touring (G21)Facelift 2024GT 3.0
Power
529 hp
394 kW
0-100 km/h3.5 s
Top speed
305 km/h
190 mph
10.6 L/100 km
22.2 mpg US
26.6 mpg UK
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

Alpina B3 Touring (G21) Facelift 2024 GT 3.0 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
AlpinaB3 Touring (G21)Facelift 2024GT 3.0
10.6 L/100 km
22.2 mpg US
26.6 mpg UK
3.5 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

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
AlpinaB3 Touring (G21)Facelift 2024GT 3.0
283 hp/t
211 kW/t
3.5 kg/hp
10.6 L/100 km
22.2 mpg US
26.6 mpg UK
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

Detailed score breakdown

Detailed score breakdown
VehicleAlpinaB3 Touring (G21)Facelift 2024GT 3.0Mercedes-BenzCLA Shooting Brake (X118)AMG CLA 45 S
Power
529 hp
394 kW
421 hp
314 kW
Torque
730 Nm
538 lb-ft
500 Nm
369 lb-ft
Acceleration
3.5 s
4.0 s
Top speed
305 km/h
190 mph
Unrestricted
280 km/h174 mph
Restricted
270 km/h168 mph
Lightness
1,870 kg
4,123 lb
1,640 kg
3,616 lb
Fuel consumption
10.6 L/100 km
22.2 mpg US
26.6 mpg UK
8.3 L/100 km
28.3 mpg US
34.0 mpg UK
Practicality
Doors/seats
5 doors
5 seats
Trunk
500 L
17.7 cu ft
Length
4,725 mm
186.0 in
Height
1,438 mm
56.6 in
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
Range score
557 km
346 mi
614 km
382 mi
Trunk score
500 L
17.7 cu ft
505 L
17.8 cu ft
Power-to-weight score
283 hp/t
211 kW/t
3.5 kg/hp
257 hp/t
191 kW/t
3.9 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
VehicleAlpina B3 Touring (G21) Facelift 2024 GT 3.0Mercedes-Benz CLA Shooting Brake (X118) AMG CLA 45 S
Consumption10.6 L/100 km22.2 mpg US26.6 mpg UK8.3 L/100 km28.3 mpg US34 mpg UK
Cost / 100 km18.55 LC100 km14.53 LC100 km
Cost / 100 mi29.85 LC100 mi23.38 LC100 mi
Annual fuel used1,590 L420 US gal350 UK gal1,245 L329 US gal274 UK gal
Annual fuel cost2,783 LC/year2,179 LC/year

Head-to-head comparisons

Alpina B3 Touring (G21) Facelift 2024 GT 3.0

  • Has 108 hp more
  • Has 230 Nm more
  • Is 0.5 s quicker from 0-100 km/h
  • Has 25 km/h (16 mph) higher top speed
  • Has 26 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 CLA Shooting Brake (X118) AMG CLA 45 S

  • Is 230 kg lighter
  • Uses 2.3 L/100 km less fuel
  • Has 58 km (36 mi) more estimated range
  • Has 5 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
Alpina B3 Touring (G21) GT 3.0
Mercedes-Benz CLA Shooting Brake (X118) AMG CLA 45 S
Compare selected cars
2 vehicles selected

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