Car comparison

BMW M6 (E63) 5.0 V10vsCadillac XLR V 4.4 i V8 32V

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

New comparison

BMW M6 (E63)

5.0 V10

507 hp4999 ccGasolineRWDAutomaticNaturally aspiratedCoupe2005-2007

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.

BMW M6 (E63) 5.0 V10

Quickest 0-100 km/h
4.6 s
Fastest top speed
265 km/h
165 mph Unrestricted
250 km/h
155 mph Restricted
Most powerful
507 hp
378 kW
Lightest
1,710 kg
3,770 lb
Best power-to-weight
296 hp/t
221 kW/t
3.4 kg/hp
Lowest highway consumption
10.2 L/100 km
23.1 mpg US
27.7 mpg UK
Largest trunk
450 L
Best overall score
71/100
Best performance score
80/100
Best economy score
67/100
Best practicality score
53/100

Cadillac XLR V 4.4 i V8 32V

Highest torque
561 Nm
414 lb-ft
Lowest city consumption
21.1 L/100 km
11.1 mpg US
13.4 mpg UK

Specification comparison

Specification comparison
Model	BMWM6 (E63)5.0 V10	CadillacXLRV 4.4 i V8 32V
Power	507hp378kW	449hp335kW
Torque	520Nm384lb-ft	561Nm414lb-ft
Curb weight	1,710kg3,770lb	1,730kg3,814lb
Gross weight	2,200kg4,850lb	-
Top speed	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph Calculated	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph Calculated
To 99% top speed	57.3s99% target: 262 km/h / 163 mph Calculated	61.8s99% target: 262 km/h / 163 mph Calculated
0-100 km/h	4.6s	4.9s
0-200 km/h	15.4s Calculated	16.5s Calculated
0-60 mph	4.4s Calculated	4.7s Calculated
Fuel consumption	14.8L/100 km15.9mpg US19.1mpg UK	-
Fuel consumption city	22.8L/100 km10.3mpg US12.4mpg UK	21.1L/100 km11.1mpg US13.4mpg UK
Fuel consumption highway	10.2L/100 km23.1mpg US27.7mpg UK	11.3L/100 km20.8mpg US25.0mpg UK
Quarter mile	12.7s Calculated	13.0s Calculated
Power-to-weight	296hp/t221kW/t134hp/1000 lb Calculated	260hp/t194kW/t118hp/1000 lb Calculated
Torque-to-weight	304Nm/t203lb-ft/ton Calculated	324Nm/t217lb-ft/ton Calculated
Estimated range	473km294mi Calculated	-
Displacement	4,999cc305cu in	4,371cc267cu in
Length	4,871mm192in	4,513mm178in
Width	1,855mm73in	1,836mm72in
Height	1,372mm54in	1,279mm50in
Wheelbase	2,781mm109in	2,685mm106in
Front track	1,567mm62in	1,565mm62in
Rear track	1,584mm62in	1,578mm62in
Trunk volume	450L	125L
Max trunk volume	-	328L
Doors	2	2
Seats	4	2
Fuel tank	70L	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.

BMW M6 (E63) 5.0 V10Cadillac XLR V 4.4 i V8 32VPowerTorque

Dyno simulation data table
Vehicle	Peak power RPM	Peak torque RPM	Max engine speed
BMWM6 (E63)5.0 V10	7,750 rpm	6,100 rpm	8,250 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	BMWM6 (E63)5.0 V10	CadillacXLRV 4.4 i V8 32V
	Acceleration checkpoints
0-60 mph 0-97 km/h	4.4 s	4.7 s
0-100 km/h 0-62 mph	4.6 s	4.9 s
0-200 km/h 0-124 mph	15.4 s	16.5 s
Top speed	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph Limited	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph Likely limited
	Drag race simulation
60 ft 18 m	2.1 s	2.2 s
330 ft 101 m	5.6 s	5.7 s
1/8 mile 201 m	8.3 s	8.5 s
1000 ft 305 m	10.7 s	10.9 s
1/4 mile 402 m	12.7 s	13.0 s
Trap speed 1/4 mile 402 m	184 km/h 114 mph	180 km/h 112 mph

Power comparison

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

Chart data table
Vehicle	Value
BMWM6 (E63)5.0 V10	507 hp 378 kW
CadillacXLRV 4.4 i V8 32V	449 hp 335 kW

BMW M6 (E63) 5.0 V10 has 58 hp more than Cadillac XLR V 4.4 i V8 32V.

The biggest power difference is between Cadillac XLR V 4.4 i V8 32V and BMW M6 (E63) 5.0 V10: 58 hp (43 kW).

Torque comparison

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

Chart data table
Vehicle	Value
BMWM6 (E63)5.0 V10	520 Nm 384 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
BMWM6 (E63)5.0 V10	1,710 kg 3,770 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
BMWM6 (E63)5.0 V10	Unrestricted 265 km/h165 mph Restricted 250 km/h155 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
BMWM6 (E63)5.0 V10	4.6 s
CadillacXLRV 4.4 i V8 32V	4.9 s

The biggest 0-100 km/h difference is between BMW M6 (E63) 5.0 V10 and Cadillac XLR V 4.4 i V8 32V: 0.3 s.

Power-to-weight comparison

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

Chart data table
Vehicle	Value
BMWM6 (E63)5.0 V10	296 hp/t 221 kW/t 3.4 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
BMWM6 (E63)5.0 V10	507 hp 378 kW	4.6 s	Unrestricted 265 km/h165 mph Restricted 250 km/h155 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

BMWM6 (E63)5.0 V10

Power	507 hp 378 kW
0-100 km/h	4.6 s
Top speed Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph

Doors/seats	2 doors 4 seats
Trunk	450 L 15.9 cu ft
Length	4,871 mm 191.8 in
Height	1,372 mm 54.0 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

BMWM6 (E63)5.0 V10

CadillacXLRV 4.4 i V8 32V

Power

507 hp

378 kW

449 hp

335 kW

Torque

520 Nm

384 lb-ft

561 Nm

414 lb-ft

Acceleration

4.6 s

4.9 s

Top speed

Unrestricted

265 km/h165 mph

Restricted

250 km/h155 mph

Unrestricted

265 km/h165 mph

Restricted

250 km/h155 mph

Lightness

1,710 kg

3,770 lb

1,730 kg

3,814 lb

Fuel consumption

14.8 L/100 km

15.9 mpg US

19.1 mpg UK

Practicality

Doors/seats	2 doors 4 seats
Trunk	450 L 15.9 cu ft
Length	4,871 mm 191.8 in
Height	1,372 mm 54.0 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

473 km

294 mi

Trunk score

450 L

15.9 cu ft

125 L

4.4 cu ft

Power-to-weight score

296 hp/t

221 kW/t

3.4 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	BMW M6 (E63) 5.0 V10
Consumption	14.8 L/100 km15.9 mpg US19.1 mpg UK
Cost / 100 km	25.90 LC100 km
Cost / 100 mi	41.68 LC100 mi
Annual fuel used	2,220 L586 US gal488 UK gal
Annual fuel cost	3,885 LC/year