Car comparison

Porsche 911 (992) Turbo 3.8vsAlpina B8 Gran Coupe (G16) 4.4 V8

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

New comparison

Porsche 911 (992)

Turbo 3.8

580 hp3745 ccGasolineAWDDual-clutchTwin-turboCoupe2020-2024
VS

Alpina B8 Gran Coupe (G16)

4.4 V8

621 hp4395 ccGasolineAWDAutomaticTwin-turboCoupe2021-2022

Comparison overview

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

Best choices

Porsche 911 (992) Turbo 3.8

  • Quickest 0-100 km/h
    2.8 s
  • Fastest top speed
    330 km/h
    205 mph Unrestricted
    320 km/h
    199 mph Restricted
  • Lightest
    1,640 kg
    3,616 lb
  • Best power-to-weight
    354 hp/t
    264 kW/t
    2.8 kg/hp
  • Lowest combined fuel consumption
    11.1 L/100 km
    21.2 mpg US
    25.4 mpg UK
  • Lowest city consumption
    15.3 L/100 km
    15.4 mpg US
    18.5 mpg UK
  • Best performance score
    94/100
  • Best economy score
    77/100

Alpina B8 Gran Coupe (G16) 4.4 V8

  • Most powerful
    621 hp
    463 kW
  • Highest torque
    800 Nm
    590 lb-ft
  • Lowest highway consumption
    8.4 L/100 km
    28.0 mpg US
    33.6 mpg UK
  • Best estimated range
    613 km
    381 mi
  • Largest trunk
    440 L
  • Best overall score
    83/100
  • Best practicality score
    65/100

Specification comparison

Specification comparison
ModelPorsche911 (992)Turbo 3.8AlpinaB8 Gran Coupe (G16)4.4 V8
Power
580hp433kW
621hp463kW
Torque
750Nm553lb-ft
800Nm590lb-ft
Curb weight
1,640kg3,616lb
2,175kg4,795lb
Gross weight
2,040kg4,497lb
2,600kg5,732lb
Top speed
Unrestricted
330 km/h205 mph
Restricted
320 km/h199 mph
Calculated
324 km/h
201 mph
To 99% top speed
78.8s99% target: 327 km/h / 203 mph
Calculated
61.5s99% target: 321 km/h / 199 mph
Calculated
0-100 km/h
2.8s
3.4s
0-200 km/h
9.7s
10.2s
Calculated
0-60 mph
2.7s
Calculated
3.2s
Calculated
Fuel consumption
11.1L/100 km21.2mpg US25.4mpg UK
11.1L/100 km21.2mpg US25.4mpg UK
Fuel consumption city
15.3L/100 km15.4mpg US18.5mpg UK
15.8L/100 km14.9mpg US17.9mpg UK
Fuel consumption highway
8.7L/100 km27mpg US32.5mpg UK
8.4L/100 km28mpg US33.6mpg UK
Quarter mile
10.7s
Calculated
11.1s
Calculated
Power-to-weight
354hp/t264kW/t160hp/1000 lb
Calculated
286hp/t213kW/t130hp/1000 lb
Calculated
Torque-to-weight
457Nm/t306lb-ft/ton
Calculated
368Nm/t246lb-ft/ton
Calculated
Estimated range
604km375mi
Calculated
613km381mi
Calculated
Displacement
3,745cc229cu in
4,395cc268cu in
Length
4,535mm179in
5,092mm200in
Width
1,900mm75in
1,932mm76in
Height
1,303mm51in
1,428mm56in
Wheelbase
2,450mm96in
3,023mm119in
Front track
1,583mm62in
1,623mm64in
Rear track
1,600mm63in
1,666mm66in
Ground clearance-
135mm5in
Trunk volume
264L
440L
Doors
2
4
Seats
4
5
Fuel tank
67L
68L

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.

Porsche 911 (992) Turbo 3.8Alpina B8 Gran Coupe (G16) 4.4 V8PowerTorque
  • Porsche 911 (992) Turbo 3.8: Power / Torque
  • Alpina B8 Gran Coupe (G16) 4.4 V8: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Porsche911 (992)Turbo 3.86,500 rpm2,250-4,500 rpm7,200 rpm
AlpinaB8 Gran Coupe (G16)4.4 V85,500-6,500 rpm2,000-5,000 rpm6,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricPorsche911 (992)Turbo 3.8AlpinaB8 Gran Coupe (G16)4.4 V8
Acceleration checkpoints
0-60 mph
0-97 km/h
2.7 s
3.2 s
0-100 km/h
0-62 mph
2.8 s
3.4 s
0-200 km/h
0-124 mph
9.7 s
10.2 s
0-200 mph
0-322 km/h
59.2 s
68.0 s
Top speed
Unrestricted
330 km/h205 mph
Restricted
320 km/h199 mph
Likely limited
324 km/h
201 mph
Drag race simulation
60 ft
18 m
1.6 s
1.9 s
330 ft
101 m
4.5 s
4.9 s
1/8 mile
201 m
6.8 s
7.3 s
1000 ft
305 m
8.9 s
9.4 s
1/4 mile
402 m
10.7 s
11.1 s
Trap speed
1/4 mile
402 m
209 km/h
130 mph
209 km/h
130 mph

Power comparison

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

Chart data table
VehicleValue
Porsche911 (992)Turbo 3.8
580 hp
433 kW
AlpinaB8 Gran Coupe (G16)4.4 V8
621 hp
463 kW

Alpina B8 Gran Coupe (G16) 4.4 V8 has 41 hp more than Porsche 911 (992) Turbo 3.8.

The biggest power difference is between Porsche 911 (992) Turbo 3.8 and Alpina B8 Gran Coupe (G16) 4.4 V8: 41 hp (31 kW).

Torque comparison

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

Chart data table
VehicleValue
Porsche911 (992)Turbo 3.8
750 Nm
553 lb-ft
AlpinaB8 Gran Coupe (G16)4.4 V8
800 Nm
590 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
Porsche911 (992)Turbo 3.8
1,640 kg
3,616 lb
AlpinaB8 Gran Coupe (G16)4.4 V8
2,175 kg
4,795 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
Porsche911 (992)Turbo 3.8
Unrestricted
330 km/h205 mph
Restricted
320 km/h199 mph
AlpinaB8 Gran Coupe (G16)4.4 V8
324 km/h
201 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
Porsche911 (992)Turbo 3.82.8 s
AlpinaB8 Gran Coupe (G16)4.4 V83.4 s

Although Alpina B8 Gran Coupe (G16) 4.4 V8 has more power, Porsche 911 (992) Turbo 3.8 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Porsche 911 (992) Turbo 3.8 and Alpina B8 Gran Coupe (G16) 4.4 V8: 0.6 s.

Fuel consumption comparison

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

Chart data table
VehicleValue
Porsche911 (992)Turbo 3.8
11.1 L/100 km
21.2 mpg US
25.4 mpg UK
AlpinaB8 Gran Coupe (G16)4.4 V8
11.1 L/100 km
21.2 mpg US
25.4 mpg UK

Power-to-weight comparison

Bar comparison chart for Power-to-weight. Higher is better · hp/t / kW/t

Chart data table
VehicleValue
Porsche911 (992)Turbo 3.8
354 hp/t
264 kW/t
2.8 kg/hp
AlpinaB8 Gran Coupe (G16)4.4 V8
286 hp/t
213 kW/t
3.5 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
Porsche911 (992)Turbo 3.8
604 km
375 mi
AlpinaB8 Gran Coupe (G16)4.4 V8
613 km
381 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Porsche911 (992)Turbo 3.8
580 hp
433 kW
2.8 s
Unrestricted
330 km/h205 mph
Restricted
320 km/h199 mph
AlpinaB8 Gran Coupe (G16)4.4 V8
621 hp
463 kW
3.4 s
324 km/h
201 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
Porsche911 (992)Turbo 3.8
Power
580 hp
433 kW
0-100 km/h2.8 s
Top speed
Unrestricted
330 km/h205 mph
Restricted
320 km/h199 mph
Doors/seats
2 doors
4 seats
Trunk
264 L
9.3 cu ft
Length
4,535 mm
178.5 in
Height
1,303 mm
51.3 in
AlpinaB8 Gran Coupe (G16)4.4 V8
Power
621 hp
463 kW
0-100 km/h3.4 s
Top speed
324 km/h
201 mph
Doors/seats
4 doors
5 seats
Trunk
440 L
15.5 cu ft
Length
5,092 mm
200.5 in
Height
1,428 mm
56.2 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
Porsche911 (992)Turbo 3.8
Power
580 hp
433 kW
0-100 km/h2.8 s
Top speed
Unrestricted
330 km/h205 mph
Restricted
320 km/h199 mph
11.1 L/100 km
21.2 mpg US
25.4 mpg UK
AlpinaB8 Gran Coupe (G16)4.4 V8
Power
621 hp
463 kW
0-100 km/h3.4 s
Top speed
324 km/h
201 mph
11.1 L/100 km
21.2 mpg US
25.4 mpg UK

Porsche 911 (992) Turbo 3.8 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
Porsche911 (992)Turbo 3.8
11.1 L/100 km
21.2 mpg US
25.4 mpg UK
2.8 s
AlpinaB8 Gran Coupe (G16)4.4 V8
11.1 L/100 km
21.2 mpg US
25.4 mpg UK
3.4 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
Porsche911 (992)Turbo 3.8
354 hp/t
264 kW/t
2.8 kg/hp
11.1 L/100 km
21.2 mpg US
25.4 mpg UK
AlpinaB8 Gran Coupe (G16)4.4 V8
286 hp/t
213 kW/t
3.5 kg/hp
11.1 L/100 km
21.2 mpg US
25.4 mpg UK

Detailed score breakdown

Detailed score breakdown
VehiclePorsche911 (992)Turbo 3.8AlpinaB8 Gran Coupe (G16)4.4 V8
Power
580 hp
433 kW
621 hp
463 kW
Torque
750 Nm
553 lb-ft
800 Nm
590 lb-ft
Acceleration
2.8 s
3.4 s
Top speed
Unrestricted
330 km/h205 mph
Restricted
320 km/h199 mph
324 km/h
201 mph
Lightness
1,640 kg
3,616 lb
2,175 kg
4,795 lb
Fuel consumption
11.1 L/100 km
21.2 mpg US
25.4 mpg UK
11.1 L/100 km
21.2 mpg US
25.4 mpg UK
Practicality
Doors/seats
2 doors
4 seats
Trunk
264 L
9.3 cu ft
Length
4,535 mm
178.5 in
Height
1,303 mm
51.3 in
Doors/seats
4 doors
5 seats
Trunk
440 L
15.5 cu ft
Length
5,092 mm
200.5 in
Height
1,428 mm
56.2 in
Range score
604 km
375 mi
613 km
381 mi
Trunk score
264 L
9.3 cu ft
440 L
15.5 cu ft
Power-to-weight score
354 hp/t
264 kW/t
2.8 kg/hp
286 hp/t
213 kW/t
3.5 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
VehiclePorsche 911 (992) Turbo 3.8Alpina B8 Gran Coupe (G16) 4.4 V8
Consumption11.1 L/100 km21.2 mpg US25.4 mpg UK11.1 L/100 km21.2 mpg US25.4 mpg UK
Cost / 100 km19.43 LC100 km19.43 LC100 km
Cost / 100 mi31.26 LC100 mi31.26 LC100 mi
Annual fuel used1,665 L440 US gal366 UK gal1,665 L440 US gal366 UK gal
Annual fuel cost2,914 LC/year2,914 LC/year

Head-to-head comparisons

Porsche 911 (992) Turbo 3.8

  • Is 535 kg lighter
  • Is 0.6 s quicker from 0-100 km/h
  • Has 6 km/h (4 mph) higher top speed
  • Has 68 hp/t better power-to-weight

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Lightest
  • Lowest combined fuel consumption
  • Best power-to-weight ratio

Cons

  • Lowest power
  • Smallest trunk

Alpina B8 Gran Coupe (G16) 4.4 V8

  • Has 41 hp more
  • Has 50 Nm more
  • Has 9 km (6 mi) more estimated range
  • Has 176 L more trunk volume

Pros

  • Most powerful
  • Highest torque
  • Best estimated range
  • Largest trunk

Cons

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

Choose cars to compare

Brand
Model
Generation
Engine or modification
Porsche 911 (992) Turbo 3.8
Alpina B8 Gran Coupe (G16) 4.4 V8
Compare selected cars
2 vehicles selected

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