Car comparison

Cadillac XLR 4.6 i V8 32VvsPontiac GTO 5.7i V8 16V

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

New comparison

Cadillac XLR

4.6 i V8 32V

325 hp4565 ccGasolineRWDAutomaticNaturally aspiratedCoupe2003-2009

Pontiac GTO

5.7i V8 16V

344 hp5665 ccGasolineRWDManualNaturally aspiratedCoupe2004-2005

Comparison overview

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

Pontiac GTO 5.7i V8 16V

Most powerful
344 hp
257 kW
Highest torque
488 Nm
360 lb-ft
Lightest
1,650 kg
3,638 lb
Best power-to-weight
208 hp/t
155 kW/t
4.8 kg/hp
Largest trunk
370 L
Best overall score
62/100
Best performance score
68/100
Best practicality score
50/100

Cadillac XLR 4.6 i V8 32V

Quickest 0-100 km/h
5.9 s
Fastest top speed
265 km/h
165 mph Unrestricted
250 km/h
155 mph Restricted
Best economy score
74/100

Specification comparison

Specification comparison
Model	CadillacXLR4.6 i V8 32V	PontiacGTO5.7i V8 16V
Power	325hp242kW	344hp257kW
Torque	420Nm310lb-ft	488Nm360lb-ft
Curb weight	1,690kg3,726lb	1,650kg3,638lb
Top speed	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph Calculated	257 km/h 160 mph
To 99% top speed	81.8s99% target: 262 km/h / 163 mph Calculated	80.0s99% target: 254 km/h / 158 mph Calculated
0-100 km/h	5.9s	6.0s
0-200 km/h	20.7s Calculated	21.9s Calculated
0-60 mph	5.6s Calculated	5.7s Calculated
Fuel consumption	12.3L/100 km19.1mpg US23.0mpg UK	-
Fuel consumption city	18.2L/100 km12.9mpg US15.5mpg UK	-
Fuel consumption highway	9L/100 km26.1mpg US31.4mpg UK	-
Quarter mile	14.0s Calculated	14.1s Calculated
Power-to-weight	192hp/t143kW/t87hp/1000 lb Calculated	208hp/t155kW/t95hp/1000 lb Calculated
Torque-to-weight	249Nm/t166lb-ft/ton Calculated	296Nm/t198lb-ft/ton Calculated
Estimated range	553km344mi Calculated	-
Displacement	4,565cc279cu in	5,665cc346cu in
Length	4,513mm178in	4,800mm189in
Width	1,836mm72in	1,840mm72in
Height	1,279mm50in	1,400mm55in
Wheelbase	2,685mm106in	2,788mm110in
Front track	1,580mm62in	1,559mm61in
Rear track	1,580mm62in	1,577mm62in
Trunk volume	125L	370L
Max trunk volume	328L	-
Doors	2	2
Seats	2	4
Fuel tank	68L	75L
CO2 emissions	291g/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.

Cadillac XLR 4.6 i V8 32VPontiac GTO 5.7i V8 16VPowerTorque

Dyno simulation data table
Vehicle	Peak power RPM	Peak torque RPM	Max engine speed
CadillacXLR4.6 i V8 32V	6,400 rpm	4,400 rpm	6,650 rpm
PontiacGTO5.7i V8 16V	5,200 rpm	4,000 rpm	5,450 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	CadillacXLR4.6 i V8 32V	PontiacGTO5.7i V8 16V
	Acceleration checkpoints
0-60 mph 0-97 km/h	5.6 s	5.7 s
0-100 km/h 0-62 mph	5.9 s	6.0 s
0-200 km/h 0-124 mph	20.7 s	21.9 s
Top speed	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph Likely limited	257 km/h 160 mph
	Drag race simulation
60 ft 18 m	2.3 s	2.3 s
330 ft 101 m	6.1 s	6.2 s
1/8 mile 201 m	9.2 s	9.2 s
1000 ft 305 m	11.8 s	11.9 s
1/4 mile 402 m	14.0 s	14.1 s
Trap speed 1/4 mile 402 m	167 km/h 104 mph	165 km/h 103 mph

Power comparison

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

Chart data table
Vehicle	Value
CadillacXLR4.6 i V8 32V	325 hp 242 kW
PontiacGTO5.7i V8 16V	344 hp 257 kW

Pontiac GTO 5.7i V8 16V has 19 hp more than Cadillac XLR 4.6 i V8 32V.

The biggest power difference is between Cadillac XLR 4.6 i V8 32V and Pontiac GTO 5.7i V8 16V: 19 hp (14 kW).

Torque comparison

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

Chart data table
Vehicle	Value
CadillacXLR4.6 i V8 32V	420 Nm 310 lb-ft
PontiacGTO5.7i V8 16V	488 Nm 360 lb-ft

Curb weight comparison

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

Chart data table
Vehicle	Value
CadillacXLR4.6 i V8 32V	1,690 kg 3,726 lb
PontiacGTO5.7i V8 16V	1,650 kg 3,638 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
CadillacXLR4.6 i V8 32V	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph
PontiacGTO5.7i V8 16V	257 km/h 160 mph

0-100 km/h comparison

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

Chart data table
Vehicle	Value
CadillacXLR4.6 i V8 32V	5.9 s
PontiacGTO5.7i V8 16V	6.0 s

Although Pontiac GTO 5.7i V8 16V has more power, Cadillac XLR 4.6 i V8 32V is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Cadillac XLR 4.6 i V8 32V and Pontiac GTO 5.7i V8 16V: 0.1 s.

Power-to-weight comparison

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

Chart data table
Vehicle	Value
CadillacXLR4.6 i V8 32V	192 hp/t 143 kW/t 5.2 kg/hp
PontiacGTO5.7i V8 16V	208 hp/t 155 kW/t 4.8 kg/hp

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
Vehicle	Power	Acceleration	Top speed
CadillacXLR4.6 i V8 32V	325 hp 242 kW	5.9 s	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph
PontiacGTO5.7i V8 16V	344 hp 257 kW	6.0 s	257 km/h 160 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

CadillacXLR4.6 i V8 32V

Power	325 hp 242 kW
0-100 km/h	5.9 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

PontiacGTO5.7i V8 16V

Power	344 hp 257 kW
0-100 km/h	6.0 s
Top speed 257 km/h 160 mph

Doors/seats	2 doors 4 seats
Trunk	370 L 13.1 cu ft
Length	4,800 mm 189.0 in
Height	1,400 mm 55.1 in

Detailed score breakdown

Vehicle

CadillacXLR4.6 i V8 32V

PontiacGTO5.7i V8 16V

Power

325 hp

242 kW

344 hp

257 kW

Torque

420 Nm

310 lb-ft

488 Nm

360 lb-ft

Acceleration

5.9 s

6.0 s

Top speed

Unrestricted

265 km/h165 mph

Restricted

250 km/h155 mph

257 km/h

160 mph

Lightness

1,690 kg

3,726 lb

1,650 kg

3,638 lb

Fuel consumption

12.3 L/100 km

19.1 mpg US

23.0 mpg UK

Practicality

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

Doors/seats	2 doors 4 seats
Trunk	370 L 13.1 cu ft
Length	4,800 mm 189.0 in
Height	1,400 mm 55.1 in

Range score

553 km

344 mi

CO2 score

291 g/km

Trunk score

125 L

4.4 cu ft

370 L

13.1 cu ft

Power-to-weight score

192 hp/t

143 kW/t

5.2 kg/hp

208 hp/t

155 kW/t

4.8 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	Cadillac XLR 4.6 i V8 32V
Consumption	12.3 L/100 km19.1 mpg US23 mpg UK
Cost / 100 km	21.53 LC100 km
Cost / 100 mi	34.64 LC100 mi
Annual fuel used	1,845 L487 US gal406 UK gal
Annual fuel cost	3,229 LC/year