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Compare 2011 BMW Z4 vs 2011 Porsche Boxster

2011 BMW Z4 Change
2011 Porsche Boxster Change
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Selected Style 2-Door Roadster sDrive30i
Switch Style

Body Style

Trim

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
2-Door Roadster
Switch Style

Body Style

Trim

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
Pricing
Invoice Price
$43,655
$43,110
Manufacturer Suggested Retail Price
$47,450
$48,100
Monthly Payment Estimate
$791 / month
$802 / month
Dealer Price Quotes
The Car Connection's Take
TCC Rating
7.8
/ 10
TCC Rating
How does the
TCC Rating work?
The TCC Rating is a clear numeric rating value based on a 10-point scale that reflects the overall opinion of our automotive experts on any vehicle and rolls up ratings we give each vehicle across sub-categories you care about like performance, safety, styling and more.

Our rating also has simple color-coded “Stop” (red), “Caution” (orange),
or “Go” (green) messages along with the numerical score so you can easily understand where we stand at a glance.

Our automotive experts then also collect and show you what other websites say about these different aspects of any vehicle. We do this leg work for you to simplify your research process.

Learn more about how we rate and review cars here.

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Read Our Full Review
9.0
/ 10
TCC Rating
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Read Our Full Review
TCC's Bottom Line 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. The 2011 Porsche Boxster is a fun, attractive, and capable roadster-everything you want it to be.
TCC Likes
TCC Dislikes
Fuel Economy
Fuel Economy - City 18 mpg 19 mpg
Fuel Economy - Highway 28 mpg 27 mpg
Vehicle
EPA Classification Two-Seater Two-Seater
Interior Dimensions
Front Shoulder Room (in) 53.3 - TBD -
Passenger Volume (ft³) - TBD - - TBD -
Front Leg Room (in) 42.2 - TBD -
Passenger Capacity 2 2
Front Hip Room (in) - TBD - - TBD -
Front Head Room (in) 39.1 - TBD -
Exterior Dimensions
Height, Overall (in) 50.8 50.9
Track Width, Rear (in) 61.4 60.4
Wheelbase (in) 98.3 95.1
Liftover Height (in) - TBD - - TBD -
Width, Max w/o mirrors (in) 70.5 70.9
Track Width, Front (in) 59.5 58.7
Min Ground Clearance (in) - TBD - - TBD -
Length, Overall (in) 167.0 172.1
Cargo Area Dimensions
Trunk Volume (ft³) 10.9/6.4 19.9
Brakes
Drum - Rear (Yes or ) NA NA
Brake ABS System 4-Wheel 4-Wheel
Disc - Rear (Yes or ) Yes Yes
Rear Brake Rotor Diam x Thickness (in) 11.8 x 0.8 11.8 x - TBD -
Brake Type Pwr-Assisted Pwr
Rear Drum Diam x Width (in) NA NA
Disc - Front (Yes or ) Yes Yes
Front Brake Rotor Diam x Thickness (in) 13.0 x 0.9 12.5 x - TBD -
Fuel Tank
Fuel Tank Capacity, Approx (gal) 14.5 16.9
Steering
Steering Ratio (:1), Overall 14.4 - TBD -
Turning Diameter - Curb to Curb (ft) 35.1 - TBD -
Steering Type Pwr Rack & Pinion Pwr Rack & Pinion
Lock to Lock Turns (Steering) 3.0 - TBD -
Turning Diameter - Wall to Wall (ft) - TBD - - TBD -
Tires
Rear Tire Order Code NA NA
Front Tire Size P225/45R17 P205/55ZR17
Spare Tire Size NA NA
Front Tire Order Code NA NA
Spare Tire Order Code NA NA
Rear Tire Size P225/45R17 P235/55ZR17
Trailering
Dead Weight Hitch - Max Tongue Wt. (lbs) NA - TBD -
Wt Distributing Hitch - Max Tongue Wt. (lbs) NA - TBD -
Dead Weight Hitch - Max Trailer Wt. (lbs) NA - TBD -
Wt Distributing Hitch - Max Trailer Wt. (lbs) NA - TBD -
Weight Information
Base Curb Weight (lbs) 3241 2943
Wheels
Front Wheel Size (in) 17 x 8.0 17 x 7.0
Spare Wheel Size (in) NA NA
Rear Wheel Material Alloy Aluminum
Rear Wheel Size (in) 17 x 8.0 17 x 8.5
Front Wheel Material Alloy Aluminum
Spare Wheel Material NA NA
Cooling System
Total Cooling System Capacity (qts) - TBD - - TBD -
Electrical
Cold Cranking Amps @ 0° F (Primary) - TBD - - TBD -
Maximum Alternator Capacity (amps) 147 - TBD -
Engine
SAE Net Torque @ RPM 220 @ 2600 214 @ 4400-6000
Engine Order Code NA NA
Displacement 3.0L/183 2.9L/177
SAE Net Horsepower @ RPM 255 @ 6600 255 @ 6400
Engine Type Gas I6 Gas Flat 6-cyl
Fuel System Electronic Fuel Injection Direct Injection
Mileage
EPA Fuel Economy Est - Hwy (MPG) 28 27
EPA Fuel Economy Est - City (MPG) 18 19
Fuel Economy Est-Combined (MPG) 22 22
Transmission
Clutch Size (in) - TBD - 9.45
Third Gear Ratio (:1) 1.31 1.40
Trans Type 6 6
Drivetrain Rear Wheel Drive Rear-Wheel Drive
Fifth Gear Ratio (:1) 0.81 0.97
Trans Description Cont. Again NA NA
Reverse Ratio (:1) 3.19 3.33
Second Gear Ratio (:1) 2.01 2.05
Trans Order Code NA NA
Final Drive Axle Ratio (:1) 4.27 3.87
Fourth Gear Ratio (:1) 1.00 1.13
Trans Description Cont. Manual Manual
Sixth Gear Ratio (:1) 0.70 0.84
First Gear Ratio (:1) 3.50 3.66
Seventh Gear Ratio (:1) - NA
Summary
Vehicle Name BMW Z4 Porsche Boxster
Body Style 2 Dr Conv 2 Door Convertible
Suspension
Shock Absorber Diameter - Front (mm) - TBD - - TBD -
Stabilizer Bar Diameter - Front (in) - TBD - - TBD -
Suspension Type - Rear Central Link MacPherson Strut
Suspension Type - Rear (Cont.) NA NA
Shock Absorber Diameter - Rear (mm) - TBD - - TBD -
Suspension Type - Front Strut-Type MacPherson Strut
Stabilizer Bar Diameter - Rear (in) - TBD - - TBD -
Suspension Type - Front (Cont.) w/Double-Pivot w/Coil Springs
Emissions
EPA Greenhouse Gas Score 5 5
Tons/yr of CO2 Emissions @ 15K mi/year 8.5 8.5
 
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