Compare 2011 Porsche Boxster vs 2011 BMW Z4

2011 Porsche Boxster
2011 BMW Z4
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2-Door Roadster
Style MPG City MPG Hwy Invoice MSRP
2-Door Roadster 19 27 $43,110 $48,100
2-Door Roadster S 19 26 $52,560 $58,600
2-Door Roadster Spyder 19 26 $55,440 $61,800
Select style
2-Door Roadster sDrive30i
Style MPG City MPG Hwy Invoice MSRP
2-Door Roadster sDrive30i 18 28 $43,655 $47,450
2-Door Roadster sDrive35i 19 26 $49,080 $53,350
2-Door Roadster sDrive35is 17 24 $57,500 $62,500
Pricing
Invoice Price
$43,110
$43,655
Manufacturer Suggested Retail Price
$48,100
$47,450
Monthly Payment Estimate
$802 / month
$791 / month
The Car Connection's Take
TCC Rating
9.0
7.8
TCC’s Bottom Line
The 2011 Porsche Boxster is a fun, attractive, and capable roadster-everything you want it to be. The 2011 BMW Z4 is an exhilarating sports car, and one of the better choices for touring, but next to other roadsters it's pricey.
TCC Likes
TCC Dislikes
Fuel Economy
City
19 mpg 18 mpg
Highway
27 mpg 28 mpg
Vehicle
EPA Classification
Two-Seater Two-Seater
Interior Dimensions
Front Leg Room (in)
- TBD - 42.2
Passenger Capacity
2 2
Front Hip Room (in)
- TBD - - TBD -
Front Head Room (in)
- TBD - 39.1
Front Shoulder Room (in)
- TBD - 53.3
Passenger Volume (ft³)
- TBD - - TBD -
Exterior Dimensions
Liftover Height (in)
- TBD - - TBD -
Width, Max w/o mirrors (in)
70.9 70.5
Track Width, Front (in)
58.7 59.5
Min Ground Clearance (in)
- TBD - - TBD -
Length, Overall (in)
172.1 167.0
Height, Overall (in)
50.9 50.8
Track Width, Rear (in)
60.4 61.4
Wheelbase (in)
95.1 98.3
Cargo Area Dimensions
Trunk Volume (ft³)
19.9 10.9/6.4
Brakes
Disc - Rear (Yes or )
Yes Yes
Rear Brake Rotor Diam x Thickness (in)
11.8 x - TBD - 11.8 x 0.8
Brake Type
Pwr Pwr-Assisted
Rear Drum Diam x Width (in)
NA NA
Disc - Front (Yes or )
Yes Yes
Front Brake Rotor Diam x Thickness (in)
12.5 x - TBD - 13.0 x 0.9
Drum - Rear (Yes or )
NA NA
Brake ABS System
4-Wheel 4-Wheel
Fuel Tank
Fuel Tank Capacity, Approx (gal)
16.9 14.5
Steering
Turning Diameter - Curb to Curb (ft)
- TBD - 35.1
Steering Type
Pwr Rack & Pinion Pwr Rack & Pinion
Lock to Lock Turns (Steering)
- TBD - 3.0
Turning Diameter - Wall to Wall (ft)
- TBD - - TBD -
Steering Ratio (:1), Overall
- TBD - 14.4
Tires
Spare Tire Size
NA NA
Front Tire Order Code
NA NA
Spare Tire Order Code
NA NA
Rear Tire Size
P235/55ZR17 P225/45R17
Rear Tire Order Code
NA NA
Front Tire Size
P205/55ZR17 P225/45R17
Trailering
Wt Distributing Hitch - Max Tongue Wt. (lbs)
- TBD - NA
Dead Weight Hitch - Max Trailer Wt. (lbs)
- TBD - NA
Wt Distributing Hitch - Max Trailer Wt. (lbs)
- TBD - NA
Dead Weight Hitch - Max Tongue Wt. (lbs)
- TBD - NA
Weight Information
Base Curb Weight (lbs)
2943 3241
Wheels
Rear Wheel Material
Aluminum Alloy
Rear Wheel Size (in)
17 x 8.5 17 x 8.0
Front Wheel Material
Aluminum Alloy
Spare Wheel Material
NA NA
Front Wheel Size (in)
17 x 7.0 17 x 8.0
Spare Wheel Size (in)
NA NA
Cooling System
Total Cooling System Capacity (qts)
- TBD - - TBD -
Electrical
Cold Cranking Amps @ 0° F (Primary)
- TBD - - TBD -
Maximum Alternator Capacity (amps)
- TBD - 147
Engine
SAE Net Horsepower @ RPM
255 @ 6400 255 @ 6600
Engine Type
Gas Flat 6-cyl Gas I6
Fuel System
Direct Injection Electronic Fuel Injection
SAE Net Torque @ RPM
214 @ 4400-6000 220 @ 2600
Engine Order Code
NA NA
Displacement
2.9L/177 3.0L/183
Mileage
EPA Fuel Economy Est - City (MPG)
19 18
Fuel Economy Est-Combined (MPG)
22 22
EPA Fuel Economy Est - Hwy (MPG)
27 28
Transmission
Drivetrain
Rear-Wheel Drive Rear Wheel Drive
Fifth Gear Ratio (:1)
0.97 0.81
Trans Description Cont. Again
NA NA
Reverse Ratio (:1)
3.33 3.19
Second Gear Ratio (:1)
2.05 2.01
Seventh Gear Ratio (:1)
NA -
Trans Order Code
NA NA
Final Drive Axle Ratio (:1)
3.87 4.27
Fourth Gear Ratio (:1)
1.13 1.00
Trans Description Cont.
Manual Manual
Sixth Gear Ratio (:1)
0.84 0.70
First Gear Ratio (:1)
3.66 3.50
Clutch Size (in)
9.45 - TBD -
Third Gear Ratio (:1)
1.40 1.31
Trans Type
6 6
Summary
Body Style
2 Door Convertible 2 Dr Conv
Vehicle Name
Porsche Boxster BMW Z4
Suspension
Suspension Type - Rear (Cont.)
NA NA
Shock Absorber Diameter - Rear (mm)
- TBD - - TBD -
Suspension Type - Front
MacPherson Strut Strut-Type
Stabilizer Bar Diameter - Rear (in)
- TBD - - TBD -
Suspension Type - Front (Cont.)
w/Coil Springs w/Double-Pivot
Shock Absorber Diameter - Front (mm)
- TBD - - TBD -
Stabilizer Bar Diameter - Front (in)
- TBD - - TBD -
Suspension Type - Rear
MacPherson Strut Central Link
Emissions
Tons/yr of CO2 Emissions @ 15K mi/year
8.5 8.5
EPA Greenhouse Gas Score
5 5

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