Car comparison

Maserati Quattroporte III 4.9vsMaserati Biturbo 425

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

New comparison

Maserati Quattroporte III

4.9

280 hp4930 ccGasolineRWDManualNaturally aspiratedSedan1978-1988

Maserati Biturbo

425

203 hp2491 ccGasolineRWDManualTwin-turboSedan1984-1987

Comparison overview

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

Maserati Quattroporte III 4.9

Fastest top speed
245 km/h
152 mph Unrestricted
230 km/h
143 mph Restricted
Most powerful
280 hp
209 kW
Highest torque
393 Nm
290 lb-ft
Largest trunk
600 L
Best overall score
65/100
Best performance score
58/100
Best economy score
55/100
Best practicality score
79/100

Maserati Biturbo 425

Quickest 0-100 km/h
6.6 s
Lightest
1,180 kg
2,601 lb
Best power-to-weight
172 hp/t
128 kW/t
5.8 kg/hp

Specification comparison

Specification comparison
Model	MaseratiQuattroporte III4.9	MaseratiBiturbo425
Power	280hp209kW	203hp151kW
Torque	393Nm290lb-ft	304Nm224lb-ft
Curb weight	1,900kg4,189lb	1,180kg2,601lb
Gross weight	2,325kg5,126lb	-
Top speed	Unrestricted 245 km/h152 mph Restricted 230 km/h143 mph Calculated	Unrestricted 240 km/h149 mph Restricted 230 km/h143 mph Calculated
To 99% top speed	66.1s99% target: 243 km/h / 151 mph Calculated	58.4s99% target: 238 km/h / 148 mph Calculated
0-100 km/h	7.0s	6.6s
0-200 km/h	23.5s Calculated	22.4s Calculated
0-60 mph	6.7s Calculated	6.3s Calculated
Fuel consumption	19.5L/100 km12.1mpg US14.5mpg UK	-
Quarter mile	14.9s Calculated	14.6s Calculated
Power-to-weight	147hp/t110kW/t67hp/1000 lb Calculated	172hp/t128kW/t78hp/1000 lb Calculated
Torque-to-weight	207Nm/t138lb-ft/ton Calculated	258Nm/t172lb-ft/ton Calculated
Displacement	4,930cc301cu in	2,491cc152cu in
Length	4,980mm196in	4,400mm173in
Width	1,790mm70in	1,730mm68in
Height	1,350mm53in	1,360mm54in
Wheelbase	2,800mm110in	2,600mm102in
Front track	1,525mm60in	1,442mm57in
Rear track	1,525mm60in	1,453mm57in
Trunk volume	600L	550L
Doors	4	4
Seats	5	5
Fuel tank	-	82L

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 Quattroporte III 4.9Maserati Biturbo 425PowerTorque

Dyno simulation data table
Vehicle	Peak power RPM	Peak torque RPM	Max engine speed
MaseratiQuattroporte III4.9	5,600 rpm	3,200 rpm	5,850 rpm
MaseratiBiturbo425	5,500 rpm	3,200 rpm	5,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	MaseratiQuattroporte III4.9	MaseratiBiturbo425
	Acceleration checkpoints
0-60 mph 0-97 km/h	6.7 s	6.3 s
0-100 km/h 0-62 mph	7.0 s	6.6 s
0-200 km/h 0-124 mph	23.5 s	22.4 s
Top speed	Unrestricted 245 km/h152 mph Restricted 230 km/h143 mph Likely limited	Unrestricted 240 km/h149 mph Restricted 230 km/h143 mph Likely limited
	Drag race simulation
60 ft 18 m	2.7 s	2.7 s
330 ft 101 m	6.8 s	6.6 s
1/8 mile 201 m	9.9 s	9.7 s
1000 ft 305 m	12.7 s	12.4 s
1/4 mile 402 m	14.9 s	14.6 s
Trap speed 1/4 mile 402 m	163 km/h 101 mph	166 km/h 103 mph

Power comparison

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

Chart data table
Vehicle	Value
MaseratiQuattroporte III4.9	280 hp 209 kW
MaseratiBiturbo425	203 hp 151 kW

Maserati Quattroporte III 4.9 has 77 hp more than Maserati Biturbo 425.

The biggest power difference is between Maserati Biturbo 425 and Maserati Quattroporte III 4.9: 77 hp (57 kW).

Torque comparison

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

Chart data table
Vehicle	Value
MaseratiQuattroporte III4.9	393 Nm 290 lb-ft
MaseratiBiturbo425	304 Nm 224 lb-ft

Curb weight comparison

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

Chart data table
Vehicle	Value
MaseratiQuattroporte III4.9	1,900 kg 4,189 lb
MaseratiBiturbo425	1,180 kg 2,601 lb

Top speed without limiter comparison

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

Chart data table
Vehicle	Value
MaseratiQuattroporte III4.9	Unrestricted 245 km/h152 mph Restricted 230 km/h143 mph
MaseratiBiturbo425	Unrestricted 240 km/h149 mph Restricted 230 km/h143 mph

0-100 km/h comparison

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

Chart data table
Vehicle	Value
MaseratiQuattroporte III4.9	7.0 s
MaseratiBiturbo425	6.6 s

Although Maserati Quattroporte III 4.9 has more power, Maserati Biturbo 425 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Maserati Biturbo 425 and Maserati Quattroporte III 4.9: 0.4 s.

Power-to-weight comparison

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

Chart data table
Vehicle	Value
MaseratiQuattroporte III4.9	147 hp/t 110 kW/t 6.8 kg/hp
MaseratiBiturbo425	172 hp/t 128 kW/t 5.8 kg/hp

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
Vehicle	Power	Acceleration	Top speed
MaseratiQuattroporte III4.9	280 hp 209 kW	7.0 s	Unrestricted 245 km/h152 mph Restricted 230 km/h143 mph
MaseratiBiturbo425	203 hp 151 kW	6.6 s	Unrestricted 240 km/h149 mph Restricted 230 km/h143 mph

Most attractive quadrant

Scatter chart with performance score on the X axis and practicality score on the Y axis.

Vehicle

Performance score

Practicality score

MaseratiQuattroporte III4.9

Power	280 hp 209 kW
0-100 km/h	7.0 s
Top speed Unrestricted 245 km/h152 mph Restricted 230 km/h143 mph

Doors/seats	4 doors 5 seats
Trunk	600 L 21.2 cu ft
Length	4,980 mm 196.1 in
Height	1,350 mm 53.1 in

MaseratiBiturbo425

Power	203 hp 151 kW
0-100 km/h	6.6 s
Top speed Unrestricted 240 km/h149 mph Restricted 230 km/h143 mph

Doors/seats	4 doors 5 seats
Trunk	550 L 19.4 cu ft
Length	4,400 mm 173.2 in
Height	1,360 mm 53.5 in

Detailed score breakdown

Vehicle

MaseratiQuattroporte III4.9

MaseratiBiturbo425

Power

280 hp

209 kW

203 hp

151 kW

Torque

393 Nm

290 lb-ft

304 Nm

224 lb-ft

Acceleration

7.0 s

6.6 s

Top speed

Unrestricted

245 km/h152 mph

Restricted

230 km/h143 mph

Unrestricted

240 km/h149 mph

Restricted

230 km/h143 mph

Lightness

1,900 kg

4,189 lb

1,180 kg

2,601 lb

Fuel consumption

19.5 L/100 km

12.1 mpg US

14.5 mpg UK

Practicality

Doors/seats	4 doors 5 seats
Trunk	600 L 21.2 cu ft
Length	4,980 mm 196.1 in
Height	1,350 mm 53.1 in

Doors/seats	4 doors 5 seats
Trunk	550 L 19.4 cu ft
Length	4,400 mm 173.2 in
Height	1,360 mm 53.5 in

Trunk score

600 L

21.2 cu ft

550 L

19.4 cu ft

Power-to-weight score

147 hp/t

110 kW/t

6.8 kg/hp

172 hp/t

128 kW/t

5.8 kg/hp

Overall

Fixed score

Fuel cost and annual usage

Estimate running costs from combined consumption, your annual distance, and the fuel price in your local currency.

Average annual distanceDistance unitFuel price in your local currencyPrice unit

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
Vehicle	Maserati Quattroporte III 4.9
Consumption	19.5 L/100 km12.1 mpg US14.5 mpg UK
Cost / 100 km	34.13 LC100 km
Cost / 100 mi	54.92 LC100 mi
Annual fuel used	2,925 L773 US gal643 UK gal
Annual fuel cost	5,119 LC/year