Car comparison

Maserati GranTurismo I S 4.7 i V8 32VvsCadillac XLR V 4.4 i V8 32V

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

New comparison

Maserati GranTurismo I

S 4.7 i V8 32V

440 hp4691 ccGasolineRWDAutomaticNaturally aspiratedCoupe2008-2012

Cadillac XLR

V 4.4 i V8 32V

449 hp4371 ccGasolineRWDAutomaticSuperchargedCoupe2006-2009

Comparison overview

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

Maserati GranTurismo I S 4.7 i V8 32V

Quickest 0-100 km/h
4.9 s
Fastest top speed
295 km/h
183 mph
Lowest highway consumption
11.2 L/100 km
21.0 mpg US
25.2 mpg UK
Largest trunk
260 L
Best overall score
68/100
Best performance score
78/100
Best economy score
63/100
Best practicality score
46/100

Cadillac XLR V 4.4 i V8 32V

Most powerful
449 hp
335 kW
Highest torque
561 Nm
414 lb-ft
Lightest
1,730 kg
3,814 lb
Best power-to-weight
260 hp/t
194 kW/t
3.9 kg/hp
Lowest city consumption
21.1 L/100 km
11.1 mpg US
13.4 mpg UK

Specification comparison

Specification comparison
Model	MaseratiGranTurismo IS 4.7 i V8 32V	CadillacXLRV 4.4 i V8 32V
Power	440hp328kW	449hp335kW
Torque	490Nm361lb-ft	561Nm414lb-ft
Curb weight	1,880kg4,145lb	1,730kg3,814lb
Gross weight	2,250kg4,960lb	-
Top speed	295 km/h 183 mph	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph Calculated
To 99% top speed	79.1s99% target: 292 km/h / 181 mph Calculated	62.3s99% target: 262 km/h / 163 mph Calculated
0-100 km/h	4.9s	4.9s
0-200 km/h	15.7s Calculated	16.5s Calculated
0-60 mph	4.7s Calculated	4.7s Calculated
Fuel consumption	16.2L/100 km14.5mpg US17.4mpg UK	-
Fuel consumption city	25.8L/100 km9.1mpg US10.9mpg UK	21.1L/100 km11.1mpg US13.4mpg UK
Fuel consumption highway	11.2L/100 km21mpg US25.2mpg UK	11.3L/100 km20.8mpg US25.0mpg UK
Quarter mile	12.9s Calculated	13.0s Calculated
Power-to-weight	234hp/t175kW/t106hp/1000 lb Calculated	260hp/t194kW/t118hp/1000 lb Calculated
Torque-to-weight	261Nm/t174lb-ft/ton Calculated	324Nm/t217lb-ft/ton Calculated
Estimated range	531km330mi Calculated	-
Displacement	4,691cc286cu in	4,371cc267cu in
Length	4,881mm192in	4,513mm178in
Width	1,915mm75in	1,836mm72in
Height	1,353mm53in	1,279mm50in
Wheelbase	2,942mm116in	2,685mm106in
Front track	1,585mm62in	1,565mm62in
Rear track	1,560mm61in	1,578mm62in
Trunk volume	260L	125L
Max trunk volume	-	328L
Doors	2	2
Seats	4	2
Fuel tank	86L	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.

Maserati GranTurismo I S 4.7 i V8 32VCadillac XLR V 4.4 i V8 32VPowerTorque

Dyno simulation data table
Vehicle	Peak power RPM	Peak torque RPM	Max engine speed
MaseratiGranTurismo IS 4.7 i V8 32V	7,000 rpm	4,750 rpm	7,250 rpm
CadillacXLRV 4.4 i V8 32V	6,400 rpm	3,600 rpm	6,650 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	MaseratiGranTurismo IS 4.7 i V8 32V	CadillacXLRV 4.4 i V8 32V
	Acceleration checkpoints
0-60 mph 0-97 km/h	4.7 s	4.7 s
0-100 km/h 0-62 mph	4.9 s	4.9 s
0-200 km/h 0-124 mph	15.7 s	16.5 s
Top speed	295 km/h 183 mph	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph Likely limited
	Drag race simulation
60 ft 18 m	2.2 s	2.2 s
330 ft 101 m	5.7 s	5.7 s
1/8 mile 201 m	8.5 s	8.5 s
1000 ft 305 m	10.9 s	10.9 s
1/4 mile 402 m	12.9 s	13.0 s
Trap speed 1/4 mile 402 m	182 km/h 113 mph	180 km/h 112 mph

Power comparison

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

Chart data table
Vehicle	Value
MaseratiGranTurismo IS 4.7 i V8 32V	440 hp 328 kW
CadillacXLRV 4.4 i V8 32V	449 hp 335 kW

Cadillac XLR V 4.4 i V8 32V has 9 hp more than Maserati GranTurismo I S 4.7 i V8 32V.

The biggest power difference is between Maserati GranTurismo I S 4.7 i V8 32V and Cadillac XLR V 4.4 i V8 32V: 9 hp (7 kW).

Torque comparison

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

Chart data table
Vehicle	Value
MaseratiGranTurismo IS 4.7 i V8 32V	490 Nm 361 lb-ft
CadillacXLRV 4.4 i V8 32V	561 Nm 414 lb-ft

Curb weight comparison

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

Chart data table
Vehicle	Value
MaseratiGranTurismo IS 4.7 i V8 32V	1,880 kg 4,145 lb
CadillacXLRV 4.4 i V8 32V	1,730 kg 3,814 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
MaseratiGranTurismo IS 4.7 i V8 32V	295 km/h 183 mph
CadillacXLRV 4.4 i V8 32V	Unrestricted 265 km/h165 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
Vehicle	Value
MaseratiGranTurismo IS 4.7 i V8 32V	4.9 s
CadillacXLRV 4.4 i V8 32V	4.9 s

Although Cadillac XLR V 4.4 i V8 32V has more power, Maserati GranTurismo I S 4.7 i V8 32V is quicker from 0-100 km/h.

Power-to-weight comparison

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

Chart data table
Vehicle	Value
MaseratiGranTurismo IS 4.7 i V8 32V	234 hp/t 175 kW/t 4.3 kg/hp
CadillacXLRV 4.4 i V8 32V	260 hp/t 194 kW/t 3.9 kg/hp

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
Vehicle	Power	Acceleration	Top speed
MaseratiGranTurismo IS 4.7 i V8 32V	440 hp 328 kW	4.9 s	295 km/h 183 mph
CadillacXLRV 4.4 i V8 32V	449 hp 335 kW	4.9 s	Unrestricted 265 km/h165 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.

Vehicle

Performance score

Practicality score

MaseratiGranTurismo IS 4.7 i V8 32V

Power	440 hp 328 kW
0-100 km/h	4.9 s
Top speed 295 km/h 183 mph

Doors/seats	2 doors 4 seats
Trunk	260 L 9.2 cu ft
Length	4,881 mm 192.2 in
Height	1,353 mm 53.3 in

CadillacXLRV 4.4 i V8 32V

Power	449 hp 335 kW
0-100 km/h	4.9 s
Top speed Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph

Doors/seats	2 doors 2 seats
Trunk	125 L 4.4 cu ft
Length	4,513 mm 177.7 in
Height	1,279 mm 50.4 in

Detailed score breakdown

Vehicle

MaseratiGranTurismo IS 4.7 i V8 32V

CadillacXLRV 4.4 i V8 32V

Power

440 hp

328 kW

449 hp

335 kW

Torque

490 Nm

361 lb-ft

561 Nm

414 lb-ft

Acceleration

4.9 s

Top speed

295 km/h

183 mph

Unrestricted

265 km/h165 mph

Restricted

250 km/h155 mph

Lightness

1,880 kg

4,145 lb

1,730 kg

3,814 lb

Fuel consumption

16.2 L/100 km

14.5 mpg US

17.4 mpg UK

Practicality

Doors/seats	2 doors 4 seats
Trunk	260 L 9.2 cu ft
Length	4,881 mm 192.2 in
Height	1,353 mm 53.3 in

Doors/seats	2 doors 2 seats
Trunk	125 L 4.4 cu ft
Length	4,513 mm 177.7 in
Height	1,279 mm 50.4 in

Range score

531 km

330 mi

Trunk score

260 L

9.2 cu ft

125 L

4.4 cu ft

Power-to-weight score

234 hp/t

175 kW/t

4.3 kg/hp

260 hp/t

194 kW/t

3.9 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 GranTurismo I S 4.7 i V8 32V
Consumption	16.2 L/100 km14.5 mpg US17.4 mpg UK
Cost / 100 km	28.35 LC100 km
Cost / 100 mi	45.62 LC100 mi
Annual fuel used	2,430 L642 US gal535 UK gal
Annual fuel cost	4,253 LC/year