Porsche Boxster Porsche Boxster 2008 Audi A5 / S5 / RS5 Audi A5 / S5 / RS5 2018

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Porsche Boxster vs. Audi A5 / S5 / RS5 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 Boxster vs. Audi A5 / S5 / RS5 Invoice Comparison

Lowest Total Price: $66,850

Audi A5 / S5 / RS5 S5 3.0T   
Difference: $6,380

Lowest Total Invoice: $58,546

Porsche Boxster S   
Difference: $3,697

Calculate Payments

  Down Payment Interest Rate Term
Model Year20082018
ModelBoxsterA5 / S5 / RS5
TrimSS5 3.0T
Body2dr Convertible2dr Convertible
Base Price $55,700 $62,300
Base Invoice $43,512 $57,940
Adaptive Sports Seats 3,055  
Sport Chrono Package 920  
Adaptive dampers - electrical 1,990  
Auto-dimming rearview mirror 690  
Wind blocker, small 375  
Metallic paint (extra cost) 690 575
Carbon fiber / leather-wrapped steering wheel 1,360  
Xenon HID headlights 1,090  
Floor mats 115  
Automatic climate control, front 550  
Heated front seats 480  
Obstacle detection, rear 530  
Illuminated door sill trim plates 725  
Carbon fiber trim 890 500
5-speed shiftable automatic 3,210  
S Sport Package   2,500
Adaptive Sports Seats 2,597  
Sport Chrono Package 782  
Adaptive dampers - electrical 1,692  
Auto-dimming rearview mirror 587  
Wind blocker, small 319  
Metallic paint (extra cost) 587 536
Carbon fiber / leather-wrapped steering wheel 1,156  
Xenon HID headlights 927  
Floor mats 98  
Automatic climate control, front 468  
Heated front seats 408  
Obstacle detection, rear 451  
Illuminated door sill trim plates 616  
Carbon fiber trim 757 466
5-speed shiftable automatic 2,729  
S Sport Package   2,326
Options (change) 16,670 3,575
Options (change) 14,174 3,328
Destination 860 975
Total Price $73,230 $66,850
Total Invoice $58,546 $62,243

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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 Boxster dealer quotes or Audi A5 / S5 / RS5 dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Porsche Boxster vs. Audi A5 / S5 / RS5

Lowest Adjusted Price and Invoice: Audi A5 / S5 / RS5 S5 3.0T
TrueDelta Adjusted Price Difference: $15,250
TrueDelta Adjusted Invoice Difference: $4,562
Model Year20082018
ModelBoxsterA5 / S5 / RS5
TrimSS5 3.0T
Body2dr Convertible2dr Convertible
Engine295hp H6354hp V6
TransmissionT5T8
DrivetrainRWDAWD
EPA Fuel Economy (city/highway)18/25 MPG18/26 MPG
Audio (watts, speakers)230, 7180, 10
Tire (rear if not all the same)235/40-18245/40-18
Total Price$73,230$66,850
Adjustments for Features0-8,870
Feature-Adjusted Total Price$73,230$57,980
Total Invoice$58,546$62,243
Adjustments for Features0-8,259
Feature-Adjusted Total Invoice$58,546$53,984

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Features Comparison: Porsche Boxster vs. Audi A5 / S5 / RS5

Model Year20082018
ModelBoxsterA5 / S5 / RS5
TrimSS5 3.0T
Body2dr Convertible2dr Convertible
Transmission and Drivetrain 
5-speed manually-shiftable automatic$1000 
8-speed manually-shiftable automatic $1300
RWD$0 
AWD $1700
Accessories 
Power rear side windows $200
Proximity key $250
Wind blocker $300
Wind blocker, small$100 
Brakes, Airbags, and Other Safety 
Auto-raising roll bars / headrests $500
Automatic braking, high-speed or partial $200
Automatic braking, low-speed $200
Blind spot warning system $200
Brake assist $50
Collision preparation system, rear $100
Cross-traffic warning, rear $100
Driver drowsiness monitor $150
Forward collision warning $200
Knee airbag, driver $75
Knee airbag, passenger $75
Obstacle detection, front $150
Pedestrian detection $50
Radar- or camera-based collision preparation system $0
Rearview camera $200
Roll bar$200 
Secondary collision brake assist $25
Side curtain airbags $350
Temporary spare tire $150
Torque vectoring, brake-based $100
Vehicle exit assist $25
Cargo Management 
Air-conditioned storage compartment $50
Cargo net$40 
Climate Control 
Automatic air recirculation $100
Dual-zone climate control $125
Rear air vents with automatic controls $250
Water-repellent front-door glass$15 
Drivetrain 
Active rear differential $500
Engine / Motor 
Automatic start / stop $150
Mid-engine configuration$0 
Regenerative braking $0
Exterior 
Body kit (gray/black) $0
Painted brake calipers (optional) $0
Rear spoiler $200
Retractable rear spoiler$400 
Infotainment 
Android Auto support $100
Apple CarPlay support $100
Aux input $50
Bluetooth audio streaming $25
Bluetooth cell phone link $100
CD player$125 
CD player, remote $100
HD radio $50
MP3-compatible player $50
Satellite radio $200
SD Card slot $25
Telematics service, such as OnStar $200
USB port $25
Voice control for audio system $25
Instruments, Lights, and Mirrors 
Automatic headlights $125
Boost gauge $75
Chronometer$100 
Compass $0
Headlight washers$50 
LED headlights $1000
Power-folding mirrors $50
Turn signals on or near mirrors $25
Xenon HID headlights$500 
Seats and Interior Trim 
Carbon fiber / leather-wrapped steering wheel$150 
Folding second row seats $300
Leather door panel trim$250 
Leather-wrapped steering wheel $150
Manual thigh support length adjuster, driver seat $50
Manual thigh support length adjuster, passenger seat $50
Massage, driver seat $100
Massage, passenger seat $100
No leather in second row$-300 
Power 4-way lumbar adjuster, passenger seat $150
Power thigh bolsters, driver seat$100 
Power thigh bolsters, passenger seat$100 
Synthetic suede door panel trim $250
Suspension, Wheels, and Tires 
Sport suspension (upgrade) $0
Transmission 
Launch control $100
Steering-wheel-mounted transmission controls $100
Total Value of Features$2,830$11,700
Value of Feature Adjustments$0$8,870
Value of Feature Adjustments0-8,259

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Specifications Comparison: Porsche Boxster vs. Audi A5 / S5 / RS5

Model Year20082018
ModelBoxsterA5 / S5 / RS5
Body2dr Convertible2dr Convertible
Wheelbase95.1 in108.9 in
Length170.4 in184.0 in
Width70.9 in72.7 in
Height51.0 in54.4 in
Curb Weight3,053 lb.4,375 lb.
Fuel Capacity17.0 gal.15.3 gal.
Row 1 Headroom38.4 in40.0 in
Row 1 Shoulder Room51.7 in55.3 in
Row 1 Hip Room53.4 in0.0 in
Row 1 Legroom41.6 in41.3 in
Row 2 Headroom0.0 in36.3 in
Row 2 Shoulder Room0.0 in46.9 in
Row 2 Legroom0.0 in33.1 in
Cargo Volume,
Minimum
9.9 ft37.2 ft3
Cargo Volume,
Maximum
9.99.3 ft3

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Option Package Details
Porsche Boxster S

Adaptive Sports Seats
FeatureValueRequested?
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver100Yes
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100Yes
Front sport buckets100Yes
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150Yes
Power fore-aft adjuster, passenger seat100Yes
Memory system, driver seat200Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat100Yes
Total Requested115085%
Total Not Requested20015%
Sport Chrono Package
FeatureValueRequested?
Chronometer100No
Electronic systems calibration selector200Yes
Total Requested20067%
Total Not Requested10033%

Option Package Details
Audi A5 / S5 / RS5 S5 3.0T

S Sport Package
FeatureValueRequested?
Adaptive dampers - electrical500Yes
Active rear differential500No
Painted brake calipers (optional)0No
Total Requested50050%
Total Not Requested50050%

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