Car comparison

BMW Z4 Coupe (E86) M 3.2vsCadillac XLR 4.6 i V8 32V

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

New comparison

BMW Z4 Coupe (E86)

M 3.2

343 hp3246 ccGasolineRWDManualNaturally aspiratedCoupe2006-2008
VS

Cadillac XLR

4.6 i V8 32V

325 hp4565 ccGasolineRWDAutomaticNaturally aspiratedCoupe2003-2009

Comparison overview

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

Best choices

BMW Z4 Coupe (E86) M 3.2

  • Quickest 0-100 km/h
    5.0 s
  • Fastest top speed
    265 km/h
    165 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    343 hp
    256 kW
  • Lightest
    1,425 kg
    3,142 lb
  • Best power-to-weight
    241 hp/t
    179 kW/t
    4.2 kg/hp
  • Lowest combined fuel consumption
    12.1 L/100 km
    19.4 mpg US
    23.3 mpg UK
  • Lowest city consumption
    18.2 L/100 km
    12.9 mpg US
    15.5 mpg UK
  • Lowest highway consumption
    8.6 L/100 km
    27.4 mpg US
    32.8 mpg UK
  • Largest trunk
    245 L
  • Best overall score
    58/100
  • Best performance score
    69/100
  • Best economy score
    74/100
  • Best practicality score
    35/100

Specification comparison

Specification comparison
ModelBMWZ4 Coupe (E86)M 3.2CadillacXLR4.6 i V8 32V
Power
343hp256kW
325hp242kW
Torque
365Nm269lb-ft
420Nm310lb-ft
Curb weight
1,425kg3,142lb
1,690kg3,726lb
Gross weight
1,730kg3,814lb
-
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
62.0s99% target: 262 km/h / 163 mph
Calculated
81.2s99% target: 262 km/h / 163 mph
Calculated
0-100 km/h
5.0s
5.9s
0-200 km/h
16.7s
Calculated
20.7s
Calculated
0-60 mph
4.8s
Calculated
5.6s
Calculated
Fuel consumption
12.1L/100 km19.4mpg US23.3mpg UK
12.3L/100 km19.1mpg US23.0mpg UK
Fuel consumption city
18.2L/100 km12.9mpg US15.5mpg UK
18.2L/100 km12.9mpg US15.5mpg UK
Fuel consumption highway
8.6L/100 km27.4mpg US32.8mpg UK
9L/100 km26.1mpg US31.4mpg UK
Quarter mile
13.1s
Calculated
14.0s
Calculated
Power-to-weight
241hp/t179kW/t109hp/1000 lb
Calculated
192hp/t143kW/t87hp/1000 lb
Calculated
Torque-to-weight
256Nm/t171lb-ft/ton
Calculated
249Nm/t166lb-ft/ton
Calculated
Estimated range
455km282mi
Calculated
553km344mi
Calculated
Displacement
3,246cc198cu in
4,565cc279cu in
Length
4,113mm162in
4,513mm178in
Width
1,781mm70in
1,836mm72in
Height
1,271mm50in
1,279mm50in
Wheelbase
2,497mm98in
2,685mm106in
Front track
1,486mm59in
1,580mm62in
Rear track
1,516mm60in
1,580mm62in
Trunk volume
245L
125L
Max trunk volume
300L
328L
Doors
2
2
Seats
2
2
Fuel tank
55L
68L
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.

BMW Z4 Coupe (E86) M 3.2Cadillac XLR 4.6 i V8 32VPowerTorque
  • BMW Z4 Coupe (E86) M 3.2: Power / Torque
  • Cadillac XLR 4.6 i V8 32V: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMWZ4 Coupe (E86)M 3.27,900 rpm4,900 rpm8,150 rpm
CadillacXLR4.6 i V8 32V6,400 rpm4,400 rpm6,650 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMWZ4 Coupe (E86)M 3.2CadillacXLR4.6 i V8 32V
Acceleration checkpoints
0-60 mph
0-97 km/h
4.8 s
5.6 s
0-100 km/h
0-62 mph
5.0 s
5.9 s
0-200 km/h
0-124 mph
16.7 s
20.7 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Likely limited
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Likely limited
Drag race simulation
60 ft
18 m
2.2 s
2.3 s
330 ft
101 m
5.8 s
6.1 s
1/8 mile
201 m
8.6 s
9.2 s
1000 ft
305 m
11.0 s
11.8 s
1/4 mile
402 m
13.1 s
14.0 s
Trap speed
1/4 mile
402 m
179 km/h
111 mph
168 km/h
104 mph

Power comparison

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

Chart data table
VehicleValue
BMWZ4 Coupe (E86)M 3.2
343 hp
256 kW
CadillacXLR4.6 i V8 32V
325 hp
242 kW

BMW Z4 Coupe (E86) M 3.2 has 18 hp more than Cadillac XLR 4.6 i V8 32V.

The biggest power difference is between Cadillac XLR 4.6 i V8 32V and BMW Z4 Coupe (E86) M 3.2: 18 hp (13 kW).

Torque comparison

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

Chart data table
VehicleValue
BMWZ4 Coupe (E86)M 3.2
365 Nm
269 lb-ft
CadillacXLR4.6 i V8 32V
420 Nm
310 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
BMWZ4 Coupe (E86)M 3.2
1,425 kg
3,142 lb
CadillacXLR4.6 i V8 32V
1,690 kg
3,726 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
BMWZ4 Coupe (E86)M 3.2
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
CadillacXLR4.6 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
VehicleValue
BMWZ4 Coupe (E86)M 3.25.0 s
CadillacXLR4.6 i V8 32V5.9 s

The biggest 0-100 km/h difference is between BMW Z4 Coupe (E86) M 3.2 and Cadillac XLR 4.6 i V8 32V: 0.9 s.

Fuel consumption comparison

Bar comparison chart for Fuel consumption. Lower is better · L/100 km / mpg US / mpg UK

Chart data table
VehicleValue
BMWZ4 Coupe (E86)M 3.2
12.1 L/100 km
19.4 mpg US
23.3 mpg UK
CadillacXLR4.6 i V8 32V
12.3 L/100 km
19.1 mpg US
23.0 mpg UK

Power-to-weight comparison

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

Chart data table
VehicleValue
BMWZ4 Coupe (E86)M 3.2
241 hp/t
179 kW/t
4.2 kg/hp
CadillacXLR4.6 i V8 32V
192 hp/t
143 kW/t
5.2 kg/hp

Estimated range comparison

Bar comparison chart for Estimated range. Higher is better · km / mi

Chart data table
VehicleValue
BMWZ4 Coupe (E86)M 3.2
455 km
282 mi
CadillacXLR4.6 i V8 32V
553 km
344 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMWZ4 Coupe (E86)M 3.2
343 hp
256 kW
5.0 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
CadillacXLR4.6 i V8 32V
325 hp
242 kW
5.9 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.

Chart data table
VehiclePerformance scorePracticality score
BMWZ4 Coupe (E86)M 3.2
Power
343 hp
256 kW
0-100 km/h5.0 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
2 doors
2 seats
Trunk
245 L
8.7 cu ft
Length
4,113 mm
161.9 in
Height
1,271 mm
50.0 in
CadillacXLR4.6 i V8 32V
Power
325 hp
242 kW
0-100 km/h5.9 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

Performance vs fuel economy

Cars closer to the top-right corner combine stronger performance with better fuel economy scores.

Performance vs fuel economy data table
VehiclePerformance scoreFuel economy score
BMWZ4 Coupe (E86)M 3.2
Power
343 hp
256 kW
0-100 km/h5.0 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
12.1 L/100 km
19.4 mpg US
23.3 mpg UK
CadillacXLR4.6 i V8 32V
Power
325 hp
242 kW
0-100 km/h5.9 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
12.3 L/100 km
19.1 mpg US
23.0 mpg UK

BMW Z4 Coupe (E86) M 3.2 is closest to the top-right balance target for performance and fuel economy.

Acceleration vs fuel consumption

Cars closer to the lower-left corner offer a better mix of quick acceleration and low fuel consumption.

Acceleration vs fuel consumption data table
VehicleFuel consumption, L/100 km0-100 km/h, s
BMWZ4 Coupe (E86)M 3.2
12.1 L/100 km
19.4 mpg US
23.3 mpg UK
5.0 s
CadillacXLR4.6 i V8 32V
12.3 L/100 km
19.1 mpg US
23.0 mpg UK
5.9 s

Power-to-weight vs fuel consumption

The shaded area favors higher power-to-weight with lower combined fuel consumption.

Power-to-weight vs fuel consumption data table
VehiclePower-to-weight, hp/tFuel consumption, L/100 km
BMWZ4 Coupe (E86)M 3.2
241 hp/t
179 kW/t
4.2 kg/hp
12.1 L/100 km
19.4 mpg US
23.3 mpg UK
CadillacXLR4.6 i V8 32V
192 hp/t
143 kW/t
5.2 kg/hp
12.3 L/100 km
19.1 mpg US
23.0 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMWZ4 Coupe (E86)M 3.2CadillacXLR4.6 i V8 32V
Power
343 hp
256 kW
325 hp
242 kW
Torque
365 Nm
269 lb-ft
420 Nm
310 lb-ft
Acceleration
5.0 s
5.9 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Lightness
1,425 kg
3,142 lb
1,690 kg
3,726 lb
Fuel consumption
12.1 L/100 km
19.4 mpg US
23.3 mpg UK
12.3 L/100 km
19.1 mpg US
23.0 mpg UK
Practicality
Doors/seats
2 doors
2 seats
Trunk
245 L
8.7 cu ft
Length
4,113 mm
161.9 in
Height
1,271 mm
50.0 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
455 km
282 mi
553 km
344 mi
CO2 score
-
291 g/km
Trunk score
245 L
8.7 cu ft
125 L
4.4 cu ft
Power-to-weight score
241 hp/t
179 kW/t
4.2 kg/hp
192 hp/t
143 kW/t
5.2 kg/hp
Overall
Fixed score
Fixed score

Fuel cost and annual usage

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

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
VehicleBMW Z4 Coupe (E86) M 3.2Cadillac XLR 4.6 i V8 32V
Consumption12.1 L/100 km19.4 mpg US23.3 mpg UK12.3 L/100 km19.1 mpg US23 mpg UK
Cost / 100 km21.18 LC100 km21.53 LC100 km
Cost / 100 mi34.08 LC100 mi34.64 LC100 mi
Annual fuel used1,815 L479 US gal399 UK gal1,845 L487 US gal406 UK gal
Annual fuel cost3,176 LC/year3,229 LC/year

Head-to-head comparisons

BMW Z4 Coupe (E86) M 3.2

  • Has 18 hp more
  • Is 265 kg lighter
  • Is 0.9 s quicker from 0-100 km/h
  • Uses 0.2 L/100 km less fuel
  • Has 48 hp/t better power-to-weight
  • Has 120 L more trunk volume

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Most powerful
  • Lightest
  • Lowest combined fuel consumption
  • Best power-to-weight ratio
  • Largest trunk

Cadillac XLR 4.6 i V8 32V

  • Has 55 Nm more
  • Has 98 km (61 mi) more estimated range

Pros

  • Highest torque
  • Best estimated range

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Highest combined fuel consumption
  • Heaviest
  • Smallest trunk

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW Z4 Coupe (E86) M 3.2
Cadillac XLR 4.6 i V8 32V
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