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Compare 2012 BMW Z4 vs 2012 Porsche Boxster

2012 BMW Z4 Change
2012 Porsche Boxster Change
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Selected Style 2-Door Roadster sDrive28i
Switch Style

Body Style

Trim

Style MPG City MPG Hwy Invoice MSRP
2-Door Roadster sDrive28i 23 34 $44,760 $48,650
2-Door Roadster sDrive35i 19 26 $50,740 $55,150
2-Door Roadster sDrive35is 17 24 $59,065 $64,200
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
2-Door Roadster S Black Edition 19 26 $58,500 $65,200
Pricing
Invoice Price
$44,760
$43,110
Manufacturer Suggested Retail Price
$48,650
$48,100
Monthly Payment Estimate
$811 / month
$802 / month
Dealer Price Quotes
The Car Connection's Take
TCC Rating
7.8
/ 10
TCC Rating
How does the
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or “Go” (green) messages along with the numerical score so you can easily understand where we stand at a glance.

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Learn more about how we rate and review cars here.

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9.0
/ 10
TCC Rating
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Read Our Full Review
TCC's Bottom Line The 2012 BMW Z4 is a great option for the driver seeking a balance of fun and comfort, making it a great light tourer, but it can quickly become expensive with added options. Stylish, fun, and capable, the 2012 Porsche Boxster is one of the best roadsters around.
TCC Likes
TCC Dislikes
Fuel Economy
Fuel Economy - City 23 mpg 19 mpg
Fuel Economy - Highway 34 mpg 27 mpg
Vehicle
EPA Classification Two Seaters Two-Seater
Interior Dimensions
Front Shoulder Room (in) 53.3 51.5
Passenger Volume (ft³) - TBD - - TBD -
Front Leg Room (in) 42.2 33.5
Passenger Capacity 2 2
Front Hip Room (in) - TBD - 53.4
Front Head Room (in) 39.1 37.6
Exterior Dimensions
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) 5.1 5.0
Length, Overall (in) 167.0 172.1
Height, Overall (in) 50.8 50.9
Cargo Area Dimensions
Trunk Volume (ft³) 10.9/6.4 9.9
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 0.8
Brake Type Pwr 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 1.1
Fuel Tank
Fuel Tank Capacity, Approx (gal) 14.5 16.9
Steering
Steering Ratio (:1), Overall 14.4 17.1-13.8
Turning Diameter - Curb to Curb (ft) 35.1 36.4
Steering Type Electric Rack & Pinion Pwr Rack & Pinion
Lock to Lock Turns (Steering) 3.0 2.6
Turning Diameter - Wall to Wall (ft) - TBD - - TBD -
Tires
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 P235/50ZR17
Rear Tire Order Code NA NA
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) 3307 2943
Wheels
Spare Wheel Size (in) NA NA
Rear Wheel Material Aluminum Aluminum
Rear Wheel Size (in) 17 x 8 17 x 8.5
Front Wheel Material Aluminum Aluminum
Spare Wheel Material NA NA
Front Wheel Size (in) 17 x 8 17 x 7.0
Cooling System
Total Cooling System Capacity (qts) 8.7 - TBD -
Electrical
Cold Cranking Amps @ 0° F (Primary) - TBD - - TBD -
Maximum Alternator Capacity (amps) 170 - TBD -
Engine
Displacement 2.0L/122 2.9L/177
SAE Net Horsepower @ RPM 240 @ 5000 255 @ 6400
Engine Type Turbocharged Gas I4 Gas Flat-6
Fuel System Direct Injection Electronic Fuel Injection
SAE Net Torque @ RPM 260 @ 1250 - 4800 214 @ 4400-6000
Engine Order Code NA NA
Mileage
EPA Fuel Economy Est - Hwy (MPG) 34 27
EPA Fuel Economy Est - City (MPG) 23 19
Fuel Economy Est-Combined (MPG) 27 22
Transmission
Clutch Size (in) - TBD - 9.4
Third Gear Ratio (:1) 1.31 1.40
Eighth Gear Ratio (:1) NA -
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) 3.35 3.33
Second Gear Ratio (:1) 2.06 2.05
Seventh Gear Ratio (:1) NA NA
Trans Order Code NA 480
Final Drive Axle Ratio (:1) 3.08 3.88
Fourth Gear Ratio (:1) 1.00 1.13
Trans Description Cont. Manual Manual
Sixth Gear Ratio (:1) 0.68 0.84
First Gear Ratio (:1) 3.68 3.67
Summary
Vehicle Name BMW Z4 Porsche Boxster
Body Style Convertible Convertible
Suspension
Shock Absorber Diameter - Front (mm) NA - TBD -
Stabilizer Bar Diameter - Front (in) NA - TBD -
Suspension Type - Rear Independent MacPherson Strut
Suspension Type - Rear (Cont.) NA w/Coil Springs
Shock Absorber Diameter - Rear (mm) NA - TBD -
Suspension Type - Front Independent MacPherson Strut
Stabilizer Bar Diameter - Rear (in) NA - TBD -
Suspension Type - Front (Cont.) NA w/Coil Springs
Emissions
EPA Greenhouse Gas Score 6 5
Tons/yr of CO2 Emissions @ 15K mi/year 6.7 8.5
 
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