Porsche Boxster Porsche Boxster 2006 Audi A4 / S4 Audi A4 / S4 2018

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Porsche Boxster vs. Audi A4 / S4 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 A4 / S4 Invoice Comparison

Lowest Total Price: $0

Porsche Boxster S   
Difference: $55,450

Calculate Payments

  Down Payment Interest Rate Term
Model Year20062018
ModelBoxsterA4 / S4
TrimSS4 3.0T
Body2dr Convertible4dr Sedan
Base Price $0 $51,400
Power seatback bolsters, driver seat 0  
Front sport buckets 0  
Adaptive dampers - electrical 0  
5-speed shiftable automatic 0  
S Sport Package   2,500
Metallic paint (extra cost)   575
Power seatback bolsters, driver seat 0  
Front sport buckets 0  
Adaptive dampers - electrical 0  
5-speed shiftable automatic 0  
S Sport Package   2,326
Metallic paint (extra cost)   536
Options (change) 0 3,075
Options (change) 0 2,862
Destination 0 975
Total Price $0 $55,450

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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 A4 / S4 dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Porsche Boxster vs. Audi A4 / S4

Lowest Adjusted Price and Invoice: Porsche Boxster S
TrueDelta Adjusted Price Difference: $36,310
TrueDelta Adjusted Invoice Difference: $33,814
Model Year20062018
ModelBoxsterA4 / S4
TrimSS4 3.0T
Body2dr Convertible4dr Sedan
Engine280hp H6354hp V6
TransmissionT5T8
DrivetrainRWDAWD
EPA Fuel Economy (city/highway)18/27 MPG21/30 MPG
Audio (watts, speakers)230, 7755, 19
Tire (rear if not all the same)235/40-18245/40-18
Total Price$0$55,450
Adjustments for Features0-19,140
Feature-Adjusted Total Price$0$36,310

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Features Comparison: Porsche Boxster vs. Audi A4 / S4

Model Year20062018
ModelBoxsterA4 / S4
TrimSS4 3.0T
Body2dr Convertible4dr Sedan
Transmission and Drivetrain 
5-speed manually-shiftable automatic$1000 
8-speed manually-shiftable automatic $1300
RWD$0 
AWD $1700
Accessories 
Cruise control $150
Power front side windows $250
Power locks $275
Power rear side windows $200
Proximity key $250
Remote keyless entry $225
Tilt/telescoping steering wheel, manual $250
Universal garage door opener $100
Brakes, Airbags, and Other Safety 
4-wheel disc brakes $150
Antilock brakes (ABS) $400
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
Front side airbags $350
Knee airbag, driver $75
Knee airbag, passenger $75
Obstacle detection, front $150
Obstacle detection, rear $250
Pedestrian detection $50
Radar- or camera-based collision preparation system $0
Rearview camera $200
Rollover sensor $50
Secondary collision brake assist $25
Side curtain airbags $350
Stability control $400
Tire-pressure monitor $75
Torque vectoring, brake-based $100
Traction control $100
Vehicle exit assist $25
Cargo Management 
Air-conditioned storage compartment $50
Console with shifter $150
Climate Control 
Air conditioning $900
Automatic climate control, front $200
Dual-zone climate control $125
Heated windshield washer nozzles $15
Interior air filter $0
Rain-sensing wipers $175
Rear air vents with automatic controls $250
Rear defrost $200
Drivetrain 
Active rear differential $500
Engine / Motor 
Automatic start / stop $150
Mid-engine configuration$0 
Regenerative braking $0
Exterior 
Body kit $0
Bright-finished exhaust tip(s) $25
Painted brake calipers (optional) $0
Rear spoiler $200
Sunroof $900
Infotainment 
Android Auto support $100
Apple CarPlay support $100
Audio controls on steering wheel $125
Aux input $50
Bluetooth audio streaming $25
Bluetooth cell phone link $100
CD player, remote $100
HD radio $50
MP3-compatible player $50
Satellite radio $200
Surround sound $250
Telematics service, such as OnStar $200
Voice control for audio system $25
Instruments, Lights, and Mirrors 
Auto-dimming driver-side mirror $75
Auto-dimming passenger-side mirror $75
Auto-dimming rearview mirror $150
Automatic headlights $125
Boost gauge $75
Compass $0
Fog light, rear $100
Fog lights $125
Heated mirrors $25
Illuminated visor mirror, driver $50
Illuminated visor mirror, passenger $50
LED headlights $1000
Outside temperature display $50
Power mirrors $150
Power-folding mirrors $50
Tachometer $75
Trip computer $150
Turn signals on or near mirrors $25
Seats and Interior Trim 
Aluminum trim $100
Center armrest(s), front row $75
Center armrest(s), second row $50
Floor mats $75
Folding second row seats $300
Heated front seats $200
Illuminated door sill trim plates $200
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
Memory system, driver seat $200
Power 4-way lumbar adjuster, driver seat $150
Power 4-way lumbar adjuster, passenger seat $150
Power fore-aft adjuster, driver seat $100
Power fore-aft adjuster, passenger seat $100
Power height adjuster, driver seat $100
Power height adjuster, passenger seat $100
Power recliner, driver seat $100
Power recliner, passenger seat $100
Power seatback bolsters, passenger seat $100
Power tilt adjuster, driver seat $100
Power tilt adjuster, passenger seat $100
Synthetic suede door panel trim $250
Synthetic suede inserts in leather seating surfaces $0
Suspension, Wheels, and Tires 
Alloy wheels $350
Electronic systems calibration selector $200
Sport suspension (upgrade) $0
Transmission 
Launch control $100
Steering-wheel-mounted transmission controls $100
Total Value of Features$1,000$20,140
Value of Feature Adjustments$0$19,140
Value of Feature Adjustments0-17,825

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Specifications Comparison: Porsche Boxster vs. Audi A4 / S4

Model Year20062018
ModelBoxsterA4 / S4
Body2dr Convertible4dr Sedan
Wheelbase95.1 in111.0 in
Length170.4 in186.1 in
Width70.9 in72.5 in
Height51.0 in56.2 in
Curb Weight3,053 lb.3,858 lb.
Fuel Capacity17.0 gal.16.9 gal.
Row 1 Headroom38.4 in38.9 in
Row 1 Shoulder Room51.7 in55.9 in
Row 1 Hip Room53.4 in0.0 in
Row 1 Legroom41.6 in41.3 in
Row 2 Headroom0.0 in37.4 in
Row 2 Shoulder Room0.0 in54.5 in
Row 2 Legroom0.0 in35.7 in
Cargo Volume9.9 ft313.0 ft3

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Option Package Details
Audi A4 / S4 S4 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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