Car comparison

Alpina B3 Touring (G21) 3.0vsBMW 5 Series Touring (G31) M550d

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

BMW 5 Series Touring (G31)

M550d

400 hp2993 ccDieselAWDAutomaticTurbochargedWagon / estate2017-2020

Comparison overview

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

Best choices

BMW 5 Series Touring (G31) M550d

  • Highest torque
    760 Nm
    561 lb-ft
  • Lowest combined fuel consumption
    6.7 L/100 km
    35.1 mpg US
    42.2 mpg UK
  • Lowest city consumption
    7.8 L/100 km
    30.2 mpg US
    36.2 mpg UK
  • Lowest highway consumption
    6.1 L/100 km
    38.6 mpg US
    46.3 mpg UK
  • Lowest CO2 emissions
    176 g/km
  • Best estimated range
    985 km
    612 mi
  • Largest trunk
    570 L
  • Best economy score
    89/100
  • Best practicality score
    87/100

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
  • Lightest
    1,865 kg
    4,112 lb
  • Best power-to-weight
    248 hp/t
    185 kW/t
    4.0 kg/hp
  • Best overall score
    86/100
  • Best performance score
    87/100

Specification comparison

Specification comparison
ModelAlpinaB3 Touring (G21)3.0BMW5 Series Touring (G31)M550d
Power
462hp345kW
400hp298kW
Torque
700Nm516lb-ft
760Nm561lb-ft
Curb weight
1,865kg4,112lb
1,955kg4,310lb
Gross weight
2,490kg5,490lb
2,620kg5,776lb
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
48.4s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
3.9s
4.6s
0-200 km/h
10.7s
Calculated
14.6s
Calculated
0-60 mph
3.7s
Calculated
4.4s
Calculated
Fuel consumption
9.8L/100 km24mpg US28.8mpg UK
6.7L/100 km35.1mpg US42.2mpg UK
Fuel consumption city
13.2L/100 km17.8mpg US21.4mpg UK
7.8L/100 km30.2mpg US36.2mpg UK
Fuel consumption highway
7.9L/100 km29.8mpg US35.8mpg UK
6.1L/100 km38.6mpg US46.3mpg UK
Quarter mile
11.6s
Calculated
12.6s
Calculated
Power-to-weight
248hp/t185kW/t112hp/1000 lb
Calculated
205hp/t153kW/t93hp/1000 lb
Calculated
Torque-to-weight
375Nm/t251lb-ft/ton
Calculated
389Nm/t260lb-ft/ton
Calculated
Estimated range
602km374mi
Calculated
985km612mi
Calculated
Displacement
2,993cc183cu in
2,993cc183cu in
Length
4,719mm186in
4,962mm195in
Width
2,068mm81in
1,868mm74in
Height
1,438mm57in
1,488mm59in
Wheelbase
2,851mm112in
2,975mm117in
Front track
1,577mm62in
-
Rear track
1,572mm62in
-
Trunk volume
500L
570L
Max trunk volume
1,510L
1,700L
Doors
5
5
Seats
5
5
Fuel tank
59L
66L
CO2 emissions
224g/km
176g/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) 3.0BMW 5 Series Touring (G31) M550dPowerTorque
  • Alpina B3 Touring (G21) 3.0: Power / Torque
  • BMW 5 Series Touring (G31) M550d: 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
BMW5 Series Touring (G31)M550d4,400 rpm2,000-3,000 rpm4,650 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAlpinaB3 Touring (G21)3.0BMW5 Series Touring (G31)M550d
Acceleration checkpoints
0-60 mph
0-97 km/h
3.7 s
4.4 s
0-100 km/h
0-62 mph
3.9 s
4.6 s
0-200 km/h
0-124 mph
10.7 s
14.6 s
Top speed
300 km/h
186 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Likely limited
Drag race simulation
60 ft
18 m
2.1 s
2.2 s
330 ft
101 m
5.3 s
5.6 s
1/8 mile
201 m
7.7 s
8.3 s
1000 ft
305 m
9.8 s
10.6 s
1/4 mile
402 m
11.6 s
12.6 s
Trap speed
1/4 mile
402 m
209 km/h
130 mph
187 km/h
116 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
BMW5 Series Touring (G31)M550d
400 hp
298 kW

Alpina B3 Touring (G21) 3.0 has 62 hp more than BMW 5 Series Touring (G31) M550d.

The biggest power difference is between BMW 5 Series Touring (G31) M550d and Alpina B3 Touring (G21) 3.0: 62 hp (46 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
BMW5 Series Touring (G31)M550d
760 Nm
561 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
BMW5 Series Touring (G31)M550d
1,955 kg
4,310 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
BMW5 Series Touring (G31)M550d
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
BMW5 Series Touring (G31)M550d4.6 s

The biggest 0-100 km/h difference is between Alpina B3 Touring (G21) 3.0 and BMW 5 Series Touring (G31) M550d: 0.7 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
BMW5 Series Touring (G31)M550d
6.7 L/100 km
35.1 mpg US
42.2 mpg UK

The biggest fuel consumption difference is between BMW 5 Series Touring (G31) M550d and Alpina B3 Touring (G21) 3.0: 3.1 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
BMW5 Series Touring (G31)M550d
205 hp/t
153 kW/t
4.9 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
BMW5 Series Touring (G31)M550d
985 km
612 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
BMW5 Series Touring (G31)M550d
400 hp
298 kW
4.6 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
BMW5 Series Touring (G31)M550d
Power
400 hp
298 kW
0-100 km/h4.6 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
5 doors
5 seats
Trunk
570 L
20.1 cu ft
Length
4,962 mm
195.4 in
Height
1,488 mm
58.6 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
BMW5 Series Touring (G31)M550d
Power
400 hp
298 kW
0-100 km/h4.6 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
6.7 L/100 km
35.1 mpg US
42.2 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
BMW5 Series Touring (G31)M550d
6.7 L/100 km
35.1 mpg US
42.2 mpg UK
4.6 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
BMW5 Series Touring (G31)M550d
205 hp/t
153 kW/t
4.9 kg/hp
6.7 L/100 km
35.1 mpg US
42.2 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleAlpinaB3 Touring (G21)3.0BMW5 Series Touring (G31)M550d
Power
462 hp
345 kW
400 hp
298 kW
Torque
700 Nm
516 lb-ft
760 Nm
561 lb-ft
Acceleration
3.9 s
4.6 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
1,955 kg
4,310 lb
Fuel consumption
9.8 L/100 km
24.0 mpg US
28.8 mpg UK
6.7 L/100 km
35.1 mpg US
42.2 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
570 L
20.1 cu ft
Length
4,962 mm
195.4 in
Height
1,488 mm
58.6 in
Range score
602 km
374 mi
985 km
612 mi
CO2 score
224 g/km
176 g/km
Trunk score
500 L
17.7 cu ft
570 L
20.1 cu ft
Power-to-weight score
248 hp/t
185 kW/t
4.0 kg/hp
205 hp/t
153 kW/t
4.9 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) 3.0BMW 5 Series Touring (G31) M550d
Consumption9.8 L/100 km24 mpg US28.8 mpg UK6.7 L/100 km35.1 mpg US42.2 mpg UK
Cost / 100 km17.15 LC100 km11.73 LC100 km
Cost / 100 mi27.60 LC100 mi18.87 LC100 mi
Annual fuel used1,470 L388 US gal323 UK gal1,005 L265 US gal221 UK gal
Annual fuel cost2,573 LC/year1,759 LC/year

Head-to-head comparisons

Alpina B3 Touring (G21) 3.0

  • Has 62 hp more
  • Is 90 kg lighter
  • Is 0.7 s quicker from 0-100 km/h
  • Has 40 km/h (25 mph) higher top speed
  • Has 43 hp/t better power-to-weight

Pros

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

Cons

  • Highest combined fuel consumption
  • Smallest trunk
  • Highest CO2 emissions

BMW 5 Series Touring (G31) M550d

  • Has 60 Nm more
  • Uses 3.1 L/100 km less fuel
  • Has 383 km (238 mi) more estimated range
  • Has 70 L more trunk volume
  • Emits 48 g/km less CO2

Pros

  • Highest torque
  • Lowest combined fuel consumption
  • Best estimated range
  • Largest trunk

Cons

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

Choose cars to compare

Brand
Model
Generation
Engine or modification
Alpina B3 Touring (G21) 3.0
BMW 5 Series Touring (G31) M550d
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