Porsche 718 Boxster Porsche 718 Boxster 2017 BMW 4-Series BMW 4-Series 2018

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Porsche 718 Boxster vs. BMW 4-Series Price Comparison (MSRP)

The sticker prices, before adjusting for remaining feature differences. Usually these are the numbers you will see on the window stickers.

Models in short supply often sell at or even above these prices.

Porsche 718 Boxster vs. BMW 4-Series Invoice Comparison

Lowest Total Price: $91,385

BMW 4-Series M4   
Difference: $8,670

Calculate Payments

  Down Payment Interest Rate Term
Model Year20172018
Model718 Boxster4-Series
TrimSM4
Body2dr Convertible2dr Hardtop conv.
Base Price $68,400 $76,200
Adaptive sport seats plus 3,825  
Premium Package 1,370  
Porsche Connect Plus 1,300  
Navigation system 1,730  
Heated steering wheel 470 190
Torque vectoring, brake-based 1,320  
Metallic paint (extra cost) 640 550
Sport suspension (upgrade) 2,070  
Power-folding mirrors 320  
Voice control for nav and audio 0  
Interior ambient lighting 340  
LED headlights 1,170  
Proximity key 790  
Blind spot warning system 690 500
Wood trim 1,810 0
Ceramic brake rotors 7,400 8,150
Upholstered instrument panel, leather 2,160  
7-speed automated manual 3,200  
Full Merino Leather   2,550
Obstacle detection, rear   750
Apple CarPlay support   300
255/35YR19   1,200
Adaptive sport seats plus 0  
Premium Package 0  
Porsche Connect Plus 0  
Navigation system 0  
Heated steering wheel 0 175
Torque vectoring, brake-based 0  
Metallic paint (extra cost) 0 505
Sport suspension (upgrade) 0  
Power-folding mirrors 0  
Voice control for nav and audio 0  
Interior ambient lighting 0  
LED headlights 0  
Proximity key 0  
Blind spot warning system 0 460
Wood trim 0 0
Ceramic brake rotors 0 7,500
Upholstered instrument panel, leather 0  
7-speed automated manual 0  
Full Merino Leather   2,345
Obstacle detection, rear   690
Apple CarPlay support   375
255/35YR19   1,105
Options (change) 30,605 14,190
Options (change) 0 13,155
Destination 1,050 995
Total Price $100,055 $91,385

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While we strive for accuracy, the site is not error-free, and prices can change at any time.

Dealer Price Quotes

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Request free, no-obligation Porsche 718 Boxster dealer quotes or BMW 4-Series dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Porsche 718 Boxster vs. BMW 4-Series

Lowest Adjusted Price: BMW 4-Series M4
Lowest Adjusted Invoice: Porsche 718 Boxster S
TrueDelta Adjusted Price Difference: $11,340
TrueDelta Adjusted Invoice Difference: $82,141
Model Year20172018
Model718 Boxster4-Series
TrimSM4
Body2dr Convertible2dr Hardtop conv.
Engine350hp H4425hp I6
TransmissionS7M6
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)21/28 MPG17/25 MPG
Audio (watts, speakers)110, 6600, 16
Tire (rear if not all the same)235/40-19255/35-19
Total Price$100,055$91,385
Adjustments for Features0-2,670
Feature-Adjusted Total Price$100,055$88,715

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Features Comparison: Porsche 718 Boxster vs. BMW 4-Series

Model Year20172018
Model718 Boxster4-Series
TrimSM4
Body2dr Convertible2dr Hardtop conv.
Transmission and Drivetrain 
7-speed automated manual$1200 
6-speed manual $150
RWD$0$0
Accessories 
Hands-free trunk or liftgate $100
Power rear side windows $200
Remote window/roof operation $15
Tilt/telescoping steering wheel, manual $250
Tilt/telescoping steering wheel, power$350 
Wind blocker $300
Wind blocker, small$100 
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats $0
Auto-raising roll bars / headrests $500
Roll bar$200 
Torque vectoring, brake-based$100 
Cargo Management 
Air-conditioned storage compartment $50
Cargo net$40 
Rear seat pass-through $100
Second-row low console $100
Climate Control 
Rear air vents with manual controls $150
Water-repellent front-door glass$15 
Drivetrain 
Active rear differential $500
Limited-slip rear differential$300 
Engine / Motor 
Mid-engine configuration$0 
Exterior 
Black exterior trim (optional) $0
Power convertible top$4000 
Power retractable hardtop $6750
Retractable rear spoiler$400 
Sport rocker panels (optional) $0
Infotainment 
DVD-Audio-compatible player$0 
DVD-compatible player $0
Media drive $15
Media drive, small$5 
Off-road navigation system$0 
S Voice support $0
Satellite radio$200 
Satellite radio - one year subscription $250
SD Card slot$25 
Surround sound $250
Traffic + travel information $25
Traffic information$25 
Voice control for external devices $0
Wi-Fi hotspot$50 
Instruments, Lights, and Mirrors 
Auto-dimming headlights$200 
Auto-dimming passenger-side mirror$75 
Compass $0
Fog light, rear$100 
Headlight washers$50 
Mirror tilt-down in reverse $25
Steering-linked headlights$150 
Turn signals on or near mirrors $25
Seats and Interior Trim 
Center armrest(s), second row $50
Folding second row seats $300
Manual thigh support length adjuster, driver seat $50
Manual thigh support length adjuster, passenger seat $50
No leather in second row$-300 
Power thigh bolsters, driver seat$100 
Power thigh bolsters, passenger seat$100 
Power thigh support length adjuster, driver seat$100 
Power thigh support length adjuster, passenger seat$100 
Suspension, Wheels, and Tires 
Electronic systems calibration selector $200
Performance steering system (optional) $0
Transmission 
Downshift rev matching $50
Steering-wheel-mounted transmission controls$100 
Total Value of Features$7,785$10,455
Value of Feature Adjustments$0$2,670
Value of Feature Adjustments0-2,504

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Specifications Comparison: Porsche 718 Boxster vs. BMW 4-Series

Model Year20172018
Model718 Boxster4-Series
Body2dr Convertible2dr Hardtop conv.
Wheelbase97.4 in110.6 in
Length172.4 in182.6 in
Width70.9 in71.9 in
Height50.4 in54.5 in
Curb Weight3,054 lb.4,057 lb.
Fuel Capacity14.3 gal.15.8 gal.
Row 1 Headroom0.0 in40.4 in
Row 1 Shoulder Room0.0 in55.3 in
Row 1 Legroom0.0 in42.2 in
Row 2 Headroom0.0 in37.1 in
Row 2 Shoulder Room0.0 in49.8 in
Row 2 Legroom0.0 in33.1 in
Cargo Volume,
Minimum
9.7 ft37.8 ft3
Cargo Volume,
Maximum
9.713.0 ft3

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Option Package Details
Porsche 718 Boxster S

Adaptive sport seats plus
FeatureValueRequested?
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver seat100Yes
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100Yes
Tilt/telescoping steering wheel, power100No
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150Yes
Power thigh support length adjuster, driver seat100No
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Power thigh support length adjuster, passenger seat100No
Memory system, driver seat200Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat100Yes
Front sport buckets100Yes
Total Requested130072%
Total Not Requested50028%
Premium Package
FeatureValueRequested?
Automatic climate control, front200Yes
Heated front seats200Yes
Dual-zone climate control125Yes
Residual heat50Yes
Automatic air recirculation100Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75No
Steering-linked headlights150No
Headlight washers50No
Total Requested100078%
Total Not Requested27522%
Porsche Connect Plus
FeatureValueRequested?
Traffic information25Yes
In-vehicle Internet150Yes
Wi-Fi hotspot50No
4G LTE connectivity0Yes
Navigation map updates, three years0Yes
Telematics service, such as OnStar200Yes
App support0Yes
Remote app25Yes
Apple CarPlay support100Yes
Total Requested50091%
Total Not Requested509%

Option Package Details
BMW 4-Series M4

Obstacle detection, rear
FeatureValueRequested?
Obstacle detection, rear250Yes
Obstacle detection, front150Yes
Total Requested400100%
Total Not Requested00%
255/35YR19 tires
FeatureValueRequested?
255/35YR19 tires200No
275/35YR19 tires200No
Total Requested00%
Total Not Requested400100%
Full Merino Leather
FeatureValueRequested?
Leather upholstery, extended coverage450No
Leather door panel trim250Yes
Upholstered instrument panel, leather1000Yes
Total Requested125074%
Total Not Requested45026%

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