Your car comparison

Here's how the 2011 Porsche Boxster and the 2011 BMW Z4 measure up.
2011 Porsche Boxster
2dr Roadster
$48,100
Starting MSRP
2011 BMW Z4
2dr Roadster sDrive30i
$47,450
Starting MSRP
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Overview
Door
2-door 2-door -
Seats
2 2 -
Engine

255.0-hp, 2.9-liter, Flat 6 Cylinder Engine(Gasoline Fuel)

255.0-hp, 3.0-liter, Straight 6 Cylinder Engine(Gasoline Fuel)

 -
Combined MPG
24 22 -
Size
172.1" length, 50.9" height 167.0" length, 50.8" height -
Drivetrain
Rear Wheel Drive Rear Wheel Drive -

Exterior color
Exterior color

-

Interior color
Interior color

Tanin Red

Dark Gray / Med Gray

Ocean Blue

Charcoal

Black

Cuoio Naturale

Sand Beige

Gray

Cocoa

Sea Blue

Ecru / Royal Blue

Agate / Spruce

Dark Blue

Beige

Ebony

Fern

Stone Grey

Walnut

Black

Coral Red

Canberra Beige

Ivory White

 -

Transmissions
Transmissions

7-Speed A/T

M/T

6-Speed M/T

A/T

Transmission w/Dual Shift Mode

6-Speed A/T

M/T

6-Speed M/T

A/T

Transmission w/Dual Shift Mode

 -

Vehicle
EPA Classification
Two-Seater Two-Seater -

Wheels
Front Wheel Material
Aluminum Alloy -
Rear Wheel Size
17 x 8.5 in 17 x 8.0 in -
Front Wheel Size
17 x 7.0 in 17 x 8.0 in -
Rear Wheel Material
Aluminum Alloy -

Electrical
Cold Cranking Amps @ 0° F (Primary)
N/A N/A -
Maximum Alternator Capacity (amps)
N/A 147 -

Engine
Engine Type
Gas Flat 6-cyl Gas I6 -
SAE Net Horsepower @ RPM
255 @ 6400 255 @ 6600 -
SAE Net Torque @ RPM
214 @ 4400-6000 220 @ 2600 -
Displacement
2.9L/177 3.0L/183 -

Mileage
EPA Fuel Economy Est - Hwy
27 MPG 28 MPG -
Cruising Range - Hwy
456.30 mi 406.00 mi -
EPA Fuel Economy Est - City
19 MPG 18 MPG -
EPA MPG Equivalent - City
N/A N/A -
EPA MPG Equivalent - Hwy
N/A N/A -
Estimated Battery Range
N/A N/A -
Cruising Range - City
321.10 mi 261.00 mi -
EPA MPG Equivalent - Combined
N/A N/A -
Fuel Economy Est-Combined
22 MPG 22 MPG -

Suspension
Suspension Type - Rear
MacPherson Strut Central Link -
Suspension Type - Front (Cont.)
w/Coil Springs w/Double-Pivot -
Suspension Type - Front
MacPherson Strut Strut-Type -

Brakes
Front Brake Rotor Diam x Thickness
12.5 x -TBD- in 13.0 x 0.9 in -
Brake ABS System (Second Line)
N/A N/A -
Disc - Rear (Yes or )
Yes Yes -
Brake ABS System
4-Wheel 4-Wheel -
Brake Type
Pwr Pwr-Assisted -
Disc - Front (Yes or )
Yes Yes -
Rear Brake Rotor Diam x Thickness
11.8 x -TBD- in 11.8 x 0.8 in -

Fuel Tank
Aux Fuel Tank Capacity, Approx
N/A N/A -
Fuel Tank Capacity, Approx
16.9 gal 14.5 gal -

Steering
Steering Ratio (:1), Overall
N/A 14.4 -
Steering Type
Pwr Rack & Pinion Pwr Rack & Pinion -
Turning Diameter - Wall to Wall
N/A N/A -
Turning Diameter - Curb to Curb
N/A 35.1 ft -
Lock to Lock Turns (Steering)
N/A 3.0 -

Tires
Front Tire Size
P205/55ZR17 P225/45R17 -
Rear Tire Size
P235/55ZR17 P225/45R17 -

Trailering
Wt Distributing Hitch - Max Trailer Wt.
N/A - -
Wt Distributing Hitch - Max Tongue Wt.
N/A - -
Dead Weight Hitch - Max Trailer Wt.
N/A - -
Dead Weight Hitch - Max Tongue Wt.
N/A - -

Weight Information
Base Curb Weight
2943 lbs 3241 lbs -

Dimensions
Height, Overall
50.9 in 50.8 in -
Passenger Capacity
2 2 -
Front Leg Room
N/A 42.2 in -
Wheelbase
95.1 in 98.3 in -
Second Head Room
N/A N/A -
Track Width, Front
58.7 in 59.5 in -
Front Hip Room
N/A N/A -
Passenger Volume
N/A N/A -
Track Width, Rear
60.4 in 61.4 in -
Second Shoulder Room
N/A N/A -
Width, Max w/o mirrors
70.9 in 70.5 in -
Liftover Height
N/A N/A -
Front Shoulder Room
N/A 53.3 in -
Second Hip Room
N/A N/A -
Length, Overall
172.1 in 167.0 in -
Second Leg Room
N/A N/A -
Trunk Volume
19.9 ft³ 10.9/6.4 ft³ -
Min Ground Clearance
N/A N/A -
Front Head Room
N/A 39.1 in -

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