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Compare 2015 BMW Z4 vs 2015 Porsche Boxster

2015 BMW Z4
2015 Porsche Boxster
Add Vehicle
Select style
2-Door Roadster sDrive28i
Style MPG City MPG Hwy Invoice MSRP
Z4 2-Door Roadster sDrive28i 22 34 $45,535 $48,950
Z4 2-Door Roadster sDrive35i 17 24 $52,895 $56,950
Z4 2-Door Roadster sDrive35is 17 24 $61,035 $65,800
Select style
2-Door Roadster
Style MPG City MPG Hwy Invoice MSRP
Boxster 2-Door Roadster 20 30 N/A $51,400
Boxster 2-Door Roadster GTS 19 26 N/A $73,500
Boxster 2-Door Roadster S 20 28 N/A $63,300
Pricing
Invoice Price
$45,535
N/A
Manufacturer Suggested Retail Price
$48,950
$51,400
Monthly Payment Estimate
$816 / month
$857 / month
The Car Connection's Take
TCC Rating
7.8
9.0
TCC’s Bottom Line
The 2015 BMW Z4 is on the pricier side of the roadster segment, but it offers a nice blend of comfort, sport, and technology. The 2015 Porsche Boxster is a relative performance bargain, combining everyday usability with a balanced chassis and sweet engines.
TCC Likes
TCC Dislikes
Fuel Economy
City
22 mpg 20 mpg
Highway
34 mpg 30 mpg
Vehicle
EPA Classification
Two-Seaters Two-Seaters
Interior Dimensions
Front Leg Room (in)
42.2 42.6
Front Head Room (in)
39.1 38.6
Passenger Capacity
2 2
Front Shoulder Room (in)
53.3 51.7
Front Hip Room (in)
- 53.4
Exterior Dimensions
Height, Overall (in)
50.8 50.5
Track Width, Rear (in)
61.4 60.5
Wheelbase (in)
98.3 97.4
Width, Max w/o mirrors (in)
70.5 70.9
Track Width, Front (in)
59.5 60.1
Length, Overall (in)
166.9 172.2
Min Ground Clearance (in)
- 4.3
Cargo Area Dimensions
Trunk Volume (ft³)
8 9.9
Brakes
Disc - Rear (Yes or )
Yes Yes
Rear Brake Rotor Diam x Thickness (in)
11.8 11.8
Brake Type
4-Wheel Disc 4-Wheel Disc
Rear Drum Diam x Width (in)
NA NA
Disc - Front (Yes or )
Yes Yes
Front Brake Rotor Diam x Thickness (in)
13 12.4
Drum - Rear (Yes or )
NA NA
Brake ABS System
4-Wheel 4-Wheel
Fuel Tank
Fuel Tank Capacity, Approx (gal)
14.5 16.9
Steering
Steering Type
Rack-Pinion Rack-Pinion
Turning Diameter - Curb to Curb (ft)
35.1 36.4
Tires
Spare Tire Order Code
NA NA
Rear Tire Size
P225/45VR17 P265/45ZR18
Rear Tire Order Code
NA NA
Front Tire Size
P225/45VR17 P235/45ZR18
Spare Tire Size
NA NA
Front Tire Order Code
NA NA
Weight Information
Base Curb Weight (lbs)
3263 2888
Wheels
Rear Wheel Size (in)
17 X 8 18 X 9
Front Wheel Material
Aluminum Aluminum
Spare Wheel Material
NA NA
Front Wheel Size (in)
17 X 8 18 X 8
Spare Wheel Size (in)
NA NA
Rear Wheel Material
Aluminum Aluminum
Electrical
Maximum Alternator Capacity (amps)
170 120
Cold Cranking Amps @ 0° F (Primary)
- 340
Engine
SAE Net Horsepower @ RPM
240 @ 5000 265 @ 6700
Engine Type
Intercooled Turbo Premium Unleaded I-4 Premium Unleaded H-6
Fuel System
Gasoline Direct Injection Gasoline Direct Injection
SAE Net Torque @ RPM
260 @ 1450 206 @ 4400
Engine Order Code
NA NA
Displacement
2.0 L/122 2.7 L/165
Mileage
EPA Fuel Economy Est - Hwy (MPG)
34 30
EPA Fuel Economy Est - City (MPG)
22 20
Fuel Economy Est-Combined (MPG)
26 24
Transmission
Trans Description Cont. Again
NA NA
Reverse Ratio (:1)
3.35 3.33
Second Gear Ratio (:1)
2.06 2.05
Trans Order Code
ZMT NA
Fourth Gear Ratio (:1)
1.00 1.13
Trans Description Cont.
Manual w/OD Manual w/OD
Seventh Gear Ratio (:1)
NA NA
Drivetrain
Rear Wheel Drive Rear Wheel Drive
Sixth Gear Ratio (:1)
0.68 0.84
First Gear Ratio (:1)
3.68 3.67
Final Drive Axle Ratio (:1)
3.08 3.89
Third Gear Ratio (:1)
1.31 1.46
Trans Type
6 6
Fifth Gear Ratio (:1)
0.81 0.97
Summary
Vehicle Name
BMW Z4 Porsche Boxster
Body Style
Roadster Convertible
Suspension
Suspension Type - Rear
Multi-Link Strut
Suspension Type - Rear (Cont.)
Multi-Link Strut
Suspension Type - Front
Strut Strut
Suspension Type - Front (Cont.)
Strut Strut
Emissions
Tons/yr of CO2 Emissions @ 15K mi/year
6.8 7.4

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