Car comparison

Maserati Ghibli III (M157) · Facelift 2017 Trofeo 3.8 V8 GDIvsAlfa Romeo Giulia (952) GTAm 2.9 V6

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

New comparison

Maserati Ghibli III (M157) · Facelift 2017

Trofeo 3.8 V8 GDI

580 hp3799 ccGasolineRWDAutomaticTwin-turboSedan2020-present
VS

Alfa Romeo Giulia (952)

GTAm 2.9 V6

540 hp2891 ccGasolineRWDAutomaticTurbochargedSedan2020-2021

Comparison overview

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

Best choices

Alfa Romeo Giulia (952) GTAm 2.9 V6

  • Quickest 0-100 km/h
    3.6 s
  • Lightest
    1,580 kg
    3,483 lb
  • Best power-to-weight
    342 hp/t
    255 kW/t
    2.9 kg/hp
  • Lowest combined fuel consumption
    11.8 L/100 km
    19.9 mpg US
    23.9 mpg UK
  • Best performance score
    90/100
  • Best economy score
    75/100

Specification comparison

Specification comparison
ModelMaseratiGhibli III (M157)Facelift 2017Trofeo 3.8 V8 GDIAlfa RomeoGiulia (952)GTAm 2.9 V6
Power
580hp433kW
540hp403kW
Torque
730Nm538lb-ft
600Nm443lb-ft
Curb weight
2,094kg4,616lb
1,580kg3,483lb
Gross weight-
1,870kg4,123lb
Top speed
326 km/h
203 mph
Unrestricted
315 km/h196 mph
Restricted
300 km/h186 mph
Calculated
To 99% top speed
52.0s99% target: 323 km/h / 201 mph
Calculated
36.1s99% target: 312 km/h / 194 mph
Calculated
0-100 km/h
4.3s
3.6s
0-200 km/h
11.0s
Calculated
8.8s
Calculated
0-60 mph
4.1s
Calculated
3.5s
Calculated
Fuel consumption
14.7L/100 km16mpg US19.2mpg UK
11.8L/100 km19.9mpg US23.9mpg UK
Fuel consumption city
18.1L/100 km13mpg US15.6mpg UK
-
Fuel consumption highway
11.8L/100 km19.9mpg US23.9mpg UK
-
Quarter mile
11.9s
Calculated
11.0s
Calculated
Power-to-weight
277hp/t207kW/t126hp/1000 lb
Calculated
342hp/t255kW/t155hp/1000 lb
Calculated
Torque-to-weight
349Nm/t233lb-ft/ton
Calculated
380Nm/t254lb-ft/ton
Calculated
Estimated range-
492km305mi
Calculated
Displacement
3,799cc232cu in
2,891cc176cu in
Length
4,971mm196in
4,669mm184in
Width
1,945mm77in
1,923mm76in
Height
1,461mm58in
1,445mm57in
Wheelbase
2,998mm118in
2,820mm111in
Front track-
1,580mm62in
Rear track-
1,654mm65in
Trunk volume
500L
480L
Doors
5
4
Seats
5
2
Fuel tank-
58L
CO2 emissions-
274g/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.

Maserati Ghibli III (M157) Facelift 2017 Trofeo 3.8 V8 GDIAlfa Romeo Giulia (952) GTAm 2.9 V6PowerTorque
  • Maserati Ghibli III (M157) Facelift 2017 Trofeo 3.8 V8 GDI: Power / Torque
  • Alfa Romeo Giulia (952) GTAm 2.9 V6: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
MaseratiGhibli III (M157)Facelift 2017Trofeo 3.8 V8 GDI6,750 rpm2,250-5,250 rpm7,000 rpm
Alfa RomeoGiulia (952)GTAm 2.9 V66,500 rpm2,500 rpm6,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricMaseratiGhibli III (M157)Facelift 2017Trofeo 3.8 V8 GDIAlfa RomeoGiulia (952)GTAm 2.9 V6
Acceleration checkpoints
0-60 mph
0-97 km/h
4.1 s
3.5 s
0-100 km/h
0-62 mph
4.3 s
3.6 s
0-200 km/h
0-124 mph
11.0 s
8.8 s
0-200 mph
0-322 km/h
49.4 s
-
Top speed
326 km/h
203 mph
Unrestricted
315 km/h196 mph
Restricted
300 km/h186 mph
Likely limited
Drag race simulation
60 ft
18 m
2.3 s
2.1 s
330 ft
101 m
5.5 s
5.1 s
1/8 mile
201 m
8.0 s
7.4 s
1000 ft
305 m
10.2 s
9.4 s
1/4 mile
402 m
11.9 s
11.0 s
Trap speed
1/4 mile
402 m
210 km/h
130 mph
227 km/h
141 mph

Power comparison

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

Chart data table
VehicleValue
MaseratiGhibli III (M157)Facelift 2017Trofeo 3.8 V8 GDI
580 hp
433 kW
Alfa RomeoGiulia (952)GTAm 2.9 V6
540 hp
403 kW

Maserati Ghibli III (M157) Facelift 2017 Trofeo 3.8 V8 GDI has 40 hp more than Alfa Romeo Giulia (952) GTAm 2.9 V6.

The biggest power difference is between Alfa Romeo Giulia (952) GTAm 2.9 V6 and Maserati Ghibli III (M157) Facelift 2017 Trofeo 3.8 V8 GDI: 40 hp (30 kW).

Torque comparison

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

Chart data table
VehicleValue
MaseratiGhibli III (M157)Facelift 2017Trofeo 3.8 V8 GDI
730 Nm
538 lb-ft
Alfa RomeoGiulia (952)GTAm 2.9 V6
600 Nm
443 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
MaseratiGhibli III (M157)Facelift 2017Trofeo 3.8 V8 GDI
2,094 kg
4,616 lb
Alfa RomeoGiulia (952)GTAm 2.9 V6
1,580 kg
3,483 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
MaseratiGhibli III (M157)Facelift 2017Trofeo 3.8 V8 GDI
326 km/h
203 mph
Alfa RomeoGiulia (952)GTAm 2.9 V6
Unrestricted
315 km/h196 mph
Restricted
300 km/h186 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
MaseratiGhibli III (M157)Facelift 2017Trofeo 3.8 V8 GDI4.3 s
Alfa RomeoGiulia (952)GTAm 2.9 V63.6 s

Although Maserati Ghibli III (M157) Facelift 2017 Trofeo 3.8 V8 GDI has more power, Alfa Romeo Giulia (952) GTAm 2.9 V6 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Alfa Romeo Giulia (952) GTAm 2.9 V6 and Maserati Ghibli III (M157) Facelift 2017 Trofeo 3.8 V8 GDI: 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
MaseratiGhibli III (M157)Facelift 2017Trofeo 3.8 V8 GDI
14.7 L/100 km
16.0 mpg US
19.2 mpg UK
Alfa RomeoGiulia (952)GTAm 2.9 V6
11.8 L/100 km
19.9 mpg US
23.9 mpg UK

The biggest fuel consumption difference is between Alfa Romeo Giulia (952) GTAm 2.9 V6 and Maserati Ghibli III (M157) Facelift 2017 Trofeo 3.8 V8 GDI: 2.9 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
MaseratiGhibli III (M157)Facelift 2017Trofeo 3.8 V8 GDI
277 hp/t
207 kW/t
3.6 kg/hp
Alfa RomeoGiulia (952)GTAm 2.9 V6
342 hp/t
255 kW/t
2.9 kg/hp

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
MaseratiGhibli III (M157)Facelift 2017Trofeo 3.8 V8 GDI
580 hp
433 kW
4.3 s
326 km/h
203 mph
Alfa RomeoGiulia (952)GTAm 2.9 V6
540 hp
403 kW
3.6 s
Unrestricted
315 km/h196 mph
Restricted
300 km/h186 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
MaseratiGhibli III (M157)Facelift 2017Trofeo 3.8 V8 GDI
Power
580 hp
433 kW
0-100 km/h4.3 s
Top speed
326 km/h
203 mph
Doors/seats
5 doors
5 seats
Trunk
500 L
17.7 cu ft
Length
4,971 mm
195.7 in
Height
1,461 mm
57.5 in
Alfa RomeoGiulia (952)GTAm 2.9 V6
Power
540 hp
403 kW
0-100 km/h3.6 s
Top speed
Unrestricted
315 km/h196 mph
Restricted
300 km/h186 mph
Doors/seats
4 doors
2 seats
Trunk
480 L
17.0 cu ft
Length
4,669 mm
183.8 in
Height
1,445 mm
56.9 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
MaseratiGhibli III (M157)Facelift 2017Trofeo 3.8 V8 GDI
Power
580 hp
433 kW
0-100 km/h4.3 s
Top speed
326 km/h
203 mph
14.7 L/100 km
16.0 mpg US
19.2 mpg UK
Alfa RomeoGiulia (952)GTAm 2.9 V6
Power
540 hp
403 kW
0-100 km/h3.6 s
Top speed
Unrestricted
315 km/h196 mph
Restricted
300 km/h186 mph
11.8 L/100 km
19.9 mpg US
23.9 mpg UK

Alfa Romeo Giulia (952) GTAm 2.9 V6 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
MaseratiGhibli III (M157)Facelift 2017Trofeo 3.8 V8 GDI
14.7 L/100 km
16.0 mpg US
19.2 mpg UK
4.3 s
Alfa RomeoGiulia (952)GTAm 2.9 V6
11.8 L/100 km
19.9 mpg US
23.9 mpg UK
3.6 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
MaseratiGhibli III (M157)Facelift 2017Trofeo 3.8 V8 GDI
277 hp/t
207 kW/t
3.6 kg/hp
14.7 L/100 km
16.0 mpg US
19.2 mpg UK
Alfa RomeoGiulia (952)GTAm 2.9 V6
342 hp/t
255 kW/t
2.9 kg/hp
11.8 L/100 km
19.9 mpg US
23.9 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleMaseratiGhibli III (M157)Facelift 2017Trofeo 3.8 V8 GDIAlfa RomeoGiulia (952)GTAm 2.9 V6
Power
580 hp
433 kW
540 hp
403 kW
Torque
730 Nm
538 lb-ft
600 Nm
443 lb-ft
Acceleration
4.3 s
3.6 s
Top speed
326 km/h
203 mph
Unrestricted
315 km/h196 mph
Restricted
300 km/h186 mph
Lightness
2,094 kg
4,616 lb
1,580 kg
3,483 lb
Fuel consumption
14.7 L/100 km
16.0 mpg US
19.2 mpg UK
11.8 L/100 km
19.9 mpg US
23.9 mpg UK
Practicality
Doors/seats
5 doors
5 seats
Trunk
500 L
17.7 cu ft
Length
4,971 mm
195.7 in
Height
1,461 mm
57.5 in
Doors/seats
4 doors
2 seats
Trunk
480 L
17.0 cu ft
Length
4,669 mm
183.8 in
Height
1,445 mm
56.9 in
Range score
-
492 km
305 mi
CO2 score
-
274 g/km
Trunk score
500 L
17.7 cu ft
480 L
17.0 cu ft
Power-to-weight score
277 hp/t
207 kW/t
3.6 kg/hp
342 hp/t
255 kW/t
2.9 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
VehicleMaserati Ghibli III (M157) Facelift 2017 Trofeo 3.8 V8 GDIAlfa Romeo Giulia (952) GTAm 2.9 V6
Consumption14.7 L/100 km16 mpg US19.2 mpg UK11.8 L/100 km19.9 mpg US23.9 mpg UK
Cost / 100 km25.72 LC100 km20.65 LC100 km
Cost / 100 mi41.40 LC100 mi33.23 LC100 mi
Annual fuel used2,205 L582 US gal485 UK gal1,770 L468 US gal389 UK gal
Annual fuel cost3,859 LC/year3,098 LC/year

Head-to-head comparisons

Alfa Romeo Giulia (952) GTAm 2.9 V6

  • Is 514 kg lighter
  • Is 0.7 s quicker from 0-100 km/h
  • Uses 2.9 L/100 km less fuel
  • Has 65 hp/t better power-to-weight

Pros

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

Cons

  • Lowest power
  • Lowest top speed
  • Smallest trunk

Choose cars to compare

Brand
Model
Generation
Engine or modification
Maserati Ghibli III (M157) Trofeo 3.8 V8 GDI
Alfa Romeo Giulia (952) GTAm 2.9 V6
Compare selected cars
2 vehicles selected

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