Car comparison

Alpina B3 Touring (G21) 3.0vsMercedes-Benz CLA Shooting Brake (X118) AMG CLA 45

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

New comparison

Alpina B3 Touring (G21)

3.0

462 hp2993 ccGasolineAWDAutomaticTwin-turboWagon / estate2019-2022
VS

Mercedes-Benz CLA Shooting Brake (X118)

AMG CLA 45

387 hp1991 ccGasolineAWDDual-clutchTurbochargedWagon / estate2019-2021

Comparison overview

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

Best choices

Alpina B3 Touring (G21) 3.0

  • Quickest 0-100 km/h
    3.9 s
  • Fastest top speed
    300 km/h
    186 mph
  • Most powerful
    462 hp
    345 kW
  • Highest torque
    700 Nm
    516 lb-ft
  • Best power-to-weight
    248 hp/t
    185 kW/t
    4.0 kg/hp
  • Best overall score
    86/100
  • Best performance score
    87/100
  • Best practicality score
    84/100

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

  • Lightest
    1,630 kg
    3,594 lb
  • Lowest combined fuel consumption
    8.4 L/100 km
    28.0 mpg US
    33.6 mpg UK
  • Lowest city consumption
    10.7 L/100 km
    22.0 mpg US
    26.4 mpg UK
  • Lowest highway consumption
    7.1 L/100 km
    33.1 mpg US
    39.8 mpg UK
  • Best estimated range
    607 km
    377 mi
  • Largest trunk
    505 L
  • Best economy score
    84/100

Specification comparison

Specification comparison
ModelAlpinaB3 Touring (G21)3.0Mercedes-BenzCLA Shooting Brake (X118)AMG CLA 45
Power
462hp345kW
387hp289kW
Torque
700Nm516lb-ft
480Nm354lb-ft
Curb weight
1,865kg4,112lb
1,630kg3,594lb
Gross weight
2,490kg5,490lb
2,205kg4,861lb
Top speed
300 km/h
186 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
45.6s99% target: 297 km/h / 185 mph
Calculated
38.6s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
3.9s
4.1s
0-200 km/h
10.7s
Calculated
12.3s
Calculated
0-60 mph
3.7s
Calculated
3.9s
Calculated
Fuel consumption
9.8L/100 km24mpg US28.8mpg UK
8.4L/100 km28mpg US33.6mpg UK
Fuel consumption city
13.2L/100 km17.8mpg US21.4mpg UK
10.7L/100 km22mpg US26.4mpg UK
Fuel consumption highway
7.9L/100 km29.8mpg US35.8mpg UK
7.1L/100 km33.1mpg US39.8mpg UK
Quarter mile
11.6s
Calculated
12.0s
Calculated
Power-to-weight
248hp/t185kW/t112hp/1000 lb
Calculated
237hp/t177kW/t108hp/1000 lb
Calculated
Torque-to-weight
375Nm/t251lb-ft/ton
Calculated
294Nm/t197lb-ft/ton
Calculated
Estimated range
602km374mi
Calculated
607km377mi
Calculated
Displacement
2,993cc183cu in
1,991cc121cu in
Length
4,719mm186in
4,688mm185in
Width
2,068mm81in
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
CO2 emissions
224g/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.

Alpina B3 Touring (G21) 3.0Mercedes-Benz CLA Shooting Brake (X118) AMG CLA 45PowerTorque
  • Alpina B3 Touring (G21) 3.0: Power / Torque
  • Mercedes-Benz CLA Shooting Brake (X118) AMG CLA 45: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
AlpinaB3 Touring (G21)3.05,000-7,000 rpm3,000-4,250 rpm7,250 rpm
Mercedes-BenzCLA Shooting Brake (X118)AMG CLA 456,500 rpm4,750-5,000 rpm6,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAlpinaB3 Touring (G21)3.0Mercedes-BenzCLA Shooting Brake (X118)AMG CLA 45
Acceleration checkpoints
0-60 mph
0-97 km/h
3.7 s
3.9 s
0-100 km/h
0-62 mph
3.9 s
4.1 s
0-200 km/h
0-124 mph
10.7 s
12.3 s
Top speed
300 km/h
186 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Limited
Drag race simulation
60 ft
18 m
2.1 s
2.2 s
330 ft
101 m
5.3 s
5.4 s
1/8 mile
201 m
7.7 s
7.9 s
1000 ft
305 m
9.8 s
10.1 s
1/4 mile
402 m
11.6 s
12.0 s
Trap speed
1/4 mile
402 m
209 km/h
130 mph
197 km/h
123 mph

Power comparison

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

Chart data table
VehicleValue
AlpinaB3 Touring (G21)3.0
462 hp
345 kW
Mercedes-BenzCLA Shooting Brake (X118)AMG CLA 45
387 hp
289 kW

Alpina B3 Touring (G21) 3.0 has 75 hp more than Mercedes-Benz CLA Shooting Brake (X118) AMG CLA 45.

The biggest power difference is between Mercedes-Benz CLA Shooting Brake (X118) AMG CLA 45 and Alpina B3 Touring (G21) 3.0: 75 hp (56 kW).

Torque comparison

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

Chart data table
VehicleValue
AlpinaB3 Touring (G21)3.0
700 Nm
516 lb-ft
Mercedes-BenzCLA Shooting Brake (X118)AMG CLA 45
480 Nm
354 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
AlpinaB3 Touring (G21)3.0
1,865 kg
4,112 lb
Mercedes-BenzCLA Shooting Brake (X118)AMG CLA 45
1,630 kg
3,594 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)3.0
300 km/h
186 mph
Mercedes-BenzCLA Shooting Brake (X118)AMG CLA 45
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
AlpinaB3 Touring (G21)3.03.9 s
Mercedes-BenzCLA Shooting Brake (X118)AMG CLA 454.1 s

The biggest 0-100 km/h difference is between Alpina B3 Touring (G21) 3.0 and Mercedes-Benz CLA Shooting Brake (X118) AMG CLA 45: 0.2 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)3.0
9.8 L/100 km
24.0 mpg US
28.8 mpg UK
Mercedes-BenzCLA Shooting Brake (X118)AMG CLA 45
8.4 L/100 km
28.0 mpg US
33.6 mpg UK

The biggest fuel consumption difference is between Mercedes-Benz CLA Shooting Brake (X118) AMG CLA 45 and Alpina B3 Touring (G21) 3.0: 1.4 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)3.0
248 hp/t
185 kW/t
4.0 kg/hp
Mercedes-BenzCLA Shooting Brake (X118)AMG CLA 45
237 hp/t
177 kW/t
4.2 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
AlpinaB3 Touring (G21)3.0
602 km
374 mi
Mercedes-BenzCLA Shooting Brake (X118)AMG CLA 45
607 km
377 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
AlpinaB3 Touring (G21)3.0
462 hp
345 kW
3.9 s
300 km/h
186 mph
Mercedes-BenzCLA Shooting Brake (X118)AMG CLA 45
387 hp
289 kW
4.1 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
AlpinaB3 Touring (G21)3.0
Power
462 hp
345 kW
0-100 km/h3.9 s
Top speed
300 km/h
186 mph
Doors/seats
5 doors
5 seats
Trunk
500 L
17.7 cu ft
Length
4,719 mm
185.8 in
Height
1,438 mm
56.6 in
Mercedes-BenzCLA Shooting Brake (X118)AMG CLA 45
Power
387 hp
289 kW
0-100 km/h4.1 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 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)3.0
Power
462 hp
345 kW
0-100 km/h3.9 s
Top speed
300 km/h
186 mph
9.8 L/100 km
24.0 mpg US
28.8 mpg UK
Mercedes-BenzCLA Shooting Brake (X118)AMG CLA 45
Power
387 hp
289 kW
0-100 km/h4.1 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
8.4 L/100 km
28.0 mpg US
33.6 mpg UK

Alpina B3 Touring (G21) 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)3.0
9.8 L/100 km
24.0 mpg US
28.8 mpg UK
3.9 s
Mercedes-BenzCLA Shooting Brake (X118)AMG CLA 45
8.4 L/100 km
28.0 mpg US
33.6 mpg UK
4.1 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)3.0
248 hp/t
185 kW/t
4.0 kg/hp
9.8 L/100 km
24.0 mpg US
28.8 mpg UK
Mercedes-BenzCLA Shooting Brake (X118)AMG CLA 45
237 hp/t
177 kW/t
4.2 kg/hp
8.4 L/100 km
28.0 mpg US
33.6 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleAlpinaB3 Touring (G21)3.0Mercedes-BenzCLA Shooting Brake (X118)AMG CLA 45
Power
462 hp
345 kW
387 hp
289 kW
Torque
700 Nm
516 lb-ft
480 Nm
354 lb-ft
Acceleration
3.9 s
4.1 s
Top speed
300 km/h
186 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
1,865 kg
4,112 lb
1,630 kg
3,594 lb
Fuel consumption
9.8 L/100 km
24.0 mpg US
28.8 mpg UK
8.4 L/100 km
28.0 mpg US
33.6 mpg UK
Practicality
Doors/seats
5 doors
5 seats
Trunk
500 L
17.7 cu ft
Length
4,719 mm
185.8 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
602 km
374 mi
607 km
377 mi
CO2 score
224 g/km
-
Trunk score
500 L
17.7 cu ft
505 L
17.8 cu ft
Power-to-weight score
248 hp/t
185 kW/t
4.0 kg/hp
237 hp/t
177 kW/t
4.2 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) 3.0Mercedes-Benz CLA Shooting Brake (X118) AMG CLA 45
Consumption9.8 L/100 km24 mpg US28.8 mpg UK8.4 L/100 km28 mpg US33.6 mpg UK
Cost / 100 km17.15 LC100 km14.70 LC100 km
Cost / 100 mi27.60 LC100 mi23.66 LC100 mi
Annual fuel used1,470 L388 US gal323 UK gal1,260 L333 US gal277 UK gal
Annual fuel cost2,573 LC/year2,205 LC/year

Head-to-head comparisons

Alpina B3 Touring (G21) 3.0

  • Has 75 hp more
  • Has 220 Nm more
  • Is 0.2 s quicker from 0-100 km/h
  • Has 40 km/h (25 mph) higher top speed
  • Has 10 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

  • Is 235 kg lighter
  • Uses 1.4 L/100 km less fuel
  • Has 5 km (3 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) 3.0
Mercedes-Benz CLA Shooting Brake (X118) AMG CLA 45
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2 vehicles selected

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