Car comparison

Maserati Biturbo 425vsBMW 7 Series (E23) · Facelift 1983 745i

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

New comparison

Maserati Biturbo

425

203 hp2491 ccGasolineRWDManualTwin-turboSedan1984-1987

BMW 7 Series (E23) · Facelift 1983

745i

252 hp3430 ccGasolineRWDAutomaticTurbochargedSedan1983-1986

Comparison overview

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

Maserati Biturbo 425

Quickest 0-100 km/h
6.6 s
Fastest top speed
240 km/h
149 mph Unrestricted
230 km/h
143 mph Restricted
Lightest
1,180 kg
2,601 lb
Best power-to-weight
172 hp/t
128 kW/t
5.8 kg/hp
Largest trunk
550 L
Best overall score
62/100
Best performance score
55/100
Best practicality score
76/100

BMW 7 Series (E23) Facelift 1983 745i

Most powerful
252 hp
188 kW
Highest torque
380 Nm
280 lb-ft
Best economy score
75/100

Specification comparison

Specification comparison
Model	MaseratiBiturbo425	BMW7 Series (E23)Facelift 1983745i
Power	203hp151kW	252hp188kW
Torque	304Nm224lb-ft	380Nm280lb-ft
Curb weight	1,180kg2,601lb	1,590kg3,505lb
Gross weight	-	2,100kg4,630lb
Top speed	Unrestricted 240 km/h149 mph Restricted 230 km/h143 mph Calculated	227 km/h 141 mph
To 99% top speed	58.4s99% target: 238 km/h / 148 mph Calculated	75.3s99% target: 225 km/h / 140 mph Calculated
0-100 km/h	6.6s	7.9s
0-200 km/h	22.4s Calculated	32.5s Calculated
0-60 mph	6.3s Calculated	7.5s Calculated
Fuel consumption	-	11.8L/100 km19.9mpg US23.9mpg UK
Fuel consumption city	-	16.6L/100 km14.2mpg US17.0mpg UK
Fuel consumption highway	-	8.4L/100 km28mpg US33.6mpg UK
Quarter mile	14.6s Calculated	15.7s Calculated
Power-to-weight	172hp/t128kW/t78hp/1000 lb Calculated	158hp/t118kW/t72hp/1000 lb Calculated
Torque-to-weight	258Nm/t172lb-ft/ton Calculated	239Nm/t160lb-ft/ton Calculated
Estimated range	-	847km527mi Calculated
Displacement	2,491cc152cu in	3,430cc209cu in
Length	4,400mm173in	4,860mm191in
Width	1,730mm68in	1,800mm71in
Height	1,360mm54in	1,430mm56in
Wheelbase	2,600mm102in	2,795mm110in
Front track	1,442mm57in	1,502mm59in
Rear track	1,453mm57in	1,524mm60in
Ground clearance	-	132mm5in
Trunk volume	550L	480L
Doors	4	4
Seats	5	5
Fuel tank	82L	100L

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 Biturbo 425BMW 7 Series (E23) Facelift 1983 745iPowerTorque

Dyno simulation data table
Vehicle	Peak power RPM	Peak torque RPM	Max engine speed
MaseratiBiturbo425	5,500 rpm	3,200 rpm	5,750 rpm
BMW7 Series (E23)Facelift 1983745i	4,900 rpm	2,200 rpm	5,150 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	MaseratiBiturbo425	BMW7 Series (E23)Facelift 1983745i
	Acceleration checkpoints
0-60 mph 0-97 km/h	6.3 s	7.5 s
0-100 km/h 0-62 mph	6.6 s	7.9 s
0-200 km/h 0-124 mph	22.4 s	32.5 s
Top speed	Unrestricted 240 km/h149 mph Restricted 230 km/h143 mph Likely limited	227 km/h 141 mph
	Drag race simulation
60 ft 18 m	2.7 s	2.7 s
330 ft 101 m	6.6 s	7.0 s
1/8 mile 201 m	9.7 s	10.4 s
1000 ft 305 m	12.4 s	13.3 s
1/4 mile 402 m	14.6 s	15.7 s
Trap speed 1/4 mile 402 m	166 km/h 103 mph	151 km/h 94 mph

Power comparison

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

Chart data table
Vehicle	Value
MaseratiBiturbo425	203 hp 151 kW
BMW7 Series (E23)Facelift 1983745i	252 hp 188 kW

BMW 7 Series (E23) Facelift 1983 745i has 49 hp more than Maserati Biturbo 425.

The biggest power difference is between Maserati Biturbo 425 and BMW 7 Series (E23) Facelift 1983 745i: 49 hp (37 kW).

Torque comparison

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

Chart data table
Vehicle	Value
MaseratiBiturbo425	304 Nm 224 lb-ft
BMW7 Series (E23)Facelift 1983745i	380 Nm 280 lb-ft

Curb weight comparison

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

Chart data table
Vehicle	Value
MaseratiBiturbo425	1,180 kg 2,601 lb
BMW7 Series (E23)Facelift 1983745i	1,590 kg 3,505 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
MaseratiBiturbo425	Unrestricted 240 km/h149 mph Restricted 230 km/h143 mph
BMW7 Series (E23)Facelift 1983745i	227 km/h 141 mph

0-100 km/h comparison

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

Chart data table
Vehicle	Value
MaseratiBiturbo425	6.6 s
BMW7 Series (E23)Facelift 1983745i	7.9 s

Although BMW 7 Series (E23) Facelift 1983 745i 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 BMW 7 Series (E23) Facelift 1983 745i: 1.3 s.

Power-to-weight comparison

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

Chart data table
Vehicle	Value
MaseratiBiturbo425	172 hp/t 128 kW/t 5.8 kg/hp
BMW7 Series (E23)Facelift 1983745i	158 hp/t 118 kW/t 6.3 kg/hp

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
Vehicle	Power	Acceleration	Top speed
MaseratiBiturbo425	203 hp 151 kW	6.6 s	Unrestricted 240 km/h149 mph Restricted 230 km/h143 mph
BMW7 Series (E23)Facelift 1983745i	252 hp 188 kW	7.9 s	227 km/h 141 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

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

BMW7 Series (E23)Facelift 1983745i

Power	252 hp 188 kW
0-100 km/h	7.9 s
Top speed 227 km/h 141 mph

Doors/seats	4 doors 5 seats
Trunk	480 L 17.0 cu ft
Length	4,860 mm 191.3 in
Height	1,430 mm 56.3 in

Detailed score breakdown

Vehicle

MaseratiBiturbo425

BMW7 Series (E23)Facelift 1983745i

Power

203 hp

151 kW

252 hp

188 kW

Torque

304 Nm

224 lb-ft

380 Nm

280 lb-ft

Acceleration

6.6 s

7.9 s

Top speed

Unrestricted

240 km/h149 mph

Restricted

230 km/h143 mph

227 km/h

141 mph

Lightness

1,180 kg

2,601 lb

1,590 kg

3,505 lb

Fuel consumption

11.8 L/100 km

19.9 mpg US

23.9 mpg UK

Practicality

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

Doors/seats	4 doors 5 seats
Trunk	480 L 17.0 cu ft
Length	4,860 mm 191.3 in
Height	1,430 mm 56.3 in

Range score

847 km

527 mi

Trunk score

550 L

19.4 cu ft

480 L

17.0 cu ft

Power-to-weight score

172 hp/t

128 kW/t

5.8 kg/hp

158 hp/t

118 kW/t

6.3 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	BMW 7 Series (E23) Facelift 1983 745i
Consumption	11.8 L/100 km19.9 mpg US23.9 mpg UK
Cost / 100 km	20.65 LC100 km
Cost / 100 mi	33.23 LC100 mi
Annual fuel used	1,770 L468 US gal389 UK gal
Annual fuel cost	3,098 LC/year