Your car comparison

Here's how the 2015 BMW Z4, 2015 Porsche Boxster, 2016 Porsche Boxster and the 2016 Porsche Cayman measure up.
2dr Roadster sDrive28i
$48,950
Starting MSRP
2dr Roadster
$51,400
Starting MSRP
2dr Roadster
$52,100
Starting MSRP
$52,600
Starting MSRP

Overview

Door
2-door 2-door 2-door 2-door
Seats
2 2 2 2
Engine

240.0-hp, 2.0-liter, 4 Cylinder Engine(Gasoline Fuel)

265.0-hp, 2.7-liter, Flat 6 Cylinder Engine(Gasoline Fuel)

265.0-hp, 2.7-liter, Flat 6 Cylinder Engine(Gasoline Fuel)

275.0-hp, 2.7-liter, Flat 6 Cylinder Engine(Gasoline Fuel)

Combined MPG
26 26 26 26
Size
166.9" length, 50.8" height 172.2" length, 50.5" height 172.2" length, 50.5" height 172.4" length, 50.9" height
Drivetrain
Rear Wheel Drive Rear Wheel Drive Rear Wheel Drive Rear Wheel Drive

Exterior color

Exterior color

Interior color

Interior color

Black / Orange

Ivory White / Black

Walnut

Black

Coral Red

Canberra Beige

Luxor Beige

Black / Silver

Graphite Grey

Steel Gray

Estoril Blue

Royal Blue

Beige

Metropol Blue

Black

Black / Grey

Natural Brown

Agate Grey / Lime Gold

Platinum

Melange

Ash Black

Gray

Ginger

Espresso

Agate

Agate Grey / Amber Orange

Charcoal / Jet

Crema / Black

Luxor Beige

Black / Silver

Graphite Grey

Steel Gray

Estoril Blue

Royal Blue

Beige

Metropol Blue

Black

Black / Grey

Natural Brown

Agate Grey / Lime Gold

Platinum

Melange

Ash Black

Gray

Ginger

Espresso

Agate

Agate Grey / Amber Orange

Charcoal / Jet

Crema / Black

Luxor Beige

Black / Silver

Graphite Grey

Steel Gray

Estoril Blue

Royal Blue

Beige

Metropol Blue

Black

Black / Grey

Natural Brown

Agate Grey / Lime Gold

Platinum

Melange

Ash Black

Ginger

Espresso

Agate

Agate Grey / Amber Orange

Charcoal / Jet

Crema / Black

Transmissions

Transmissions

M/T

6-Speed M/T

8-Speed A/T

A/T

Transmission w/Dual Shift Mode

7-Speed A/T

M/T

6-Speed M/T

A/T

Transmission w/Dual Shift Mode

7-Speed A/T

M/T

6-Speed M/T

A/T

Transmission w/Dual Shift Mode

7-Speed A/T

M/T

6-Speed M/T

A/T

Transmission w/Dual Shift Mode

Vehicle

EPA Classification
Two Seaters Two Seaters Two Seaters Two Seaters

Wheels

Spare Wheel Size
N/A N/A N/A N/A
Rear Wheel Material
Aluminum Aluminum Aluminum Aluminum
Rear Wheel Size
17 X 8 in 18 X 9 in 18 X 9 in 18 X 9 in
Front Wheel Size
17 X 8 in 18 X 8 in 18 X 8 in 18 X 8 in
Spare Wheel Material
N/A N/A N/A N/A
Front Wheel Material
Aluminum Aluminum Aluminum Aluminum

Electrical

Maximum Alternator Capacity (amps)
170 120 120 120
Cold Cranking Amps @ 0° F (Primary)
N/A 340 340 340

Engine

Engine Type
Intercooled Turbo Premium Unleaded I-4 Premium Unleaded H-6 Premium Unleaded H-6 Premium Unleaded H-6
SAE Net Torque @ RPM
260 @ 1450 206 @ 4400 206 @ 4400 213 @ 4500
Displacement
2.0 L/122 2.7 L/165 2.7 L/165 2.7 L/165
SAE Net Horsepower @ RPM
240 @ 5000 265 @ 6700 265 @ 6700 275 @ 7400

Mileage

EPA MPG Equivalent - Combined
N/A N/A N/A N/A
EPA Fuel Economy Est - City
22 MPG 20 MPG 20 MPG 20 MPG
EPA MPG Equivalent - City
N/A N/A N/A N/A
Cruising Range - City
319.00 mi 338.00 mi 338.00 mi 338.00 mi
Fuel Economy Est-Combined
26 MPG 24 MPG 24 MPG 24 MPG
EPA Fuel Economy Est - Hwy
34 MPG 30 MPG 30 MPG 30 MPG
EPA MPG Equivalent - Hwy
N/A N/A N/A N/A
Estimated Battery Range
N/A N/A N/A N/A
Cruising Range - Hwy
493.00 mi 507.00 mi 507.00 mi 507.00 mi

Suspension

Suspension Type - Front
Strut Strut Strut Strut
Suspension Type - Front (Cont.)
Strut Strut Strut Strut
Suspension Type - Rear (Cont.)
Multi-Link Strut Strut Strut
Suspension Type - Rear
Multi-Link Strut Strut Strut

Brakes

Front Brake Rotor Diam x Thickness
13 in 12.4 in 12.4 in 12.4 in
Brake ABS System
4-Wheel 4-Wheel 4-Wheel 4-Wheel
Brake ABS System (Second Line)
N/A N/A N/A N/A
Brake Type
4-Wheel Disc 4-Wheel Disc 4-Wheel Disc 4-Wheel Disc
Drum - Rear (Yes or )
N/A N/A N/A N/A
Disc - Front (Yes or )
Yes Yes Yes Yes
Rear Brake Rotor Diam x Thickness
11.8 in 11.8 in 11.8 in 11.8 in
Disc - Rear (Yes or )
Yes Yes Yes Yes

Fuel Tank

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

Steering

Steering Ratio (:1), Overall
N/A N/A N/A N/A
Turning Diameter - Curb to Curb
35.1 ft 36.4 ft 36.4 ft 36.4 ft
Steering Type
Rack-Pinion Rack-Pinion Rack-Pinion Rack-Pinion
Turning Diameter - Wall to Wall
N/A N/A N/A N/A
Lock to Lock Turns (Steering)
N/A N/A N/A N/A

Tires

Front Tire Size
P225/45VR17 P235/45ZR18 P235/45ZR18 P235/45ZR18
Rear Tire Size
P225/45VR17 P265/45ZR18 P265/45ZR18 P265/45ZR18
Spare Tire Size
N/A N/A N/A N/A

Trailering

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

Weight Information

Base Curb Weight
3263 lbs 2888 lbs 2888 lbs 2888 lbs

Dimensions

Front Leg Room
42.2 in 42.6 in 42.6 in N/A
Front Head Room
39.1 in 38.6 in 38.6 in N/A
Second Shoulder Room
N/A N/A N/A N/A
Liftover Height
N/A N/A N/A N/A
Track Width, Front
59.5 in 60.1 in 60.1 in 60.1 in
Passenger Volume
N/A N/A N/A 48 ft³
Trunk Volume
8 ft³ 9.9 ft³ 9.9 ft³ N/A
Track Width, Rear
61.4 in 60.5 in 60.5 in 60.5 in
Passenger Capacity
2 2 2 2
Length, Overall
166.9 in 172.2 in 172.2 in 172.4 in
Second Head Room
N/A N/A N/A N/A
Front Hip Room
N/A 53.4 in 53.4 in N/A
Min Ground Clearance
N/A 4.3 in 4.3 in 4.3 in
Front Shoulder Room
53.3 in 51.7 in 51.7 in N/A
Width, Max w/o mirrors
70.5 in 70.9 in 70.9 in 70.9 in
Height, Overall
50.8 in 50.5 in 50.5 in 50.9 in
Wheelbase
98.3 in 97.4 in 97.4 in 97.4 in
Second Hip Room
N/A N/A N/A N/A
Second Leg Room
N/A N/A N/A N/A

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