Porsche Boxster Porsche Boxster 2015 Lexus IS Lexus IS 2016

We are 103,000+ car owners sharing real-world car information.

Join Us

Porsche Boxster vs. Lexus IS 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. Lexus IS Invoice Comparison

Lowest Total Price: $47,590

Lexus IS 300   
Difference: $23,830

Calculate Payments

  Down Payment Interest Rate Term
Model Year20152015201520162016
ModelBoxsterBoxsterBoxsterISIS
TrimBaseSGTS300350
Body2dr Convertible2dr Convertible2dr Convertible4dr Sedan4dr Sedan
Base Price $51,400 $63,300 $73,500 $39,700 $40,870
Infotainment Package 3,990 3,990 3,990    
Premium Package Plus 3,620 2,950 1,965    
Adaptive cruise control, all-speed 2,170 2,170 2,170    
Adaptive sport seats plus 3,825 3,825 3,025    
Metallic paint (extra cost) 710 710 710    
Audio controls on steering wheel 615 615 165    
Heated steering wheel 270 270 270 150 150
Rearview camera 1,515 1,515 1,515    
Voice control for nav and audio 520 520 520    
Adaptive dampers - electrical 1,790 1,790      
Bose 505W 10 speakers   0      
Bright-finished exhaust tip(s)     650    
Cooled or ventilated front seats     730    
Sport suspension (upgrade)     0    
Navigation System / Mark Levinson Pkg.       2,645 2,645
F Sport Package       3,145 3,155
Obstacle detection, rear       500 500
Adaptive cruise control       500 500
Infotainment Package 0 0 0    
Premium Package Plus 0 0 0    
Adaptive cruise control, all-speed 0 0 0    
Adaptive sport seats plus 0 0 0    
Metallic paint (extra cost) 0 0 0    
Audio controls on steering wheel 0 0 0    
Heated steering wheel 0 0 0 140 140
Rearview camera 0 0 0    
Voice control for nav and audio 0 0 0    
Adaptive dampers - electrical 0 0      
Bose 505W 10 speakers   0      
Bright-finished exhaust tip(s)     0    
Cooled or ventilated front seats     0    
Sport suspension (upgrade)     0    
Navigation System / Mark Levinson Pkg.       2,441 2,441
F Sport Package       2,893 2,905
Obstacle detection, rear       460 460
Adaptive cruise control       460 460
Options (change) 19,025 18,355 15,710 6,940 6,950
Options (change) 0 0 0 6,394 6,406
Destination 995 995 995 950 950
Total Price $71,420 $82,650 $90,205 $47,590 $48,770

Return to top

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

Dealer Price Quotes

Want to find out how much dealers are willing to discount these cars?

Request free, no-obligation Porsche Boxster dealer quotes or Lexus IS dealer quotes from dealers using our car quote form.

The process is easy and takes just a minute or two. You'll receive price quotes from local approved dealers within 48 hours.

TrueDelta Value Comparison: Porsche Boxster vs. Lexus IS

Lowest Adjusted Price: Lexus IS 300
Lowest Adjusted Invoice: Porsche Boxster GTS
TrueDelta Adjusted Price Difference: $22,200
TrueDelta Adjusted Invoice Difference: $42,397
Model Year20152015201520162016
ModelBoxsterBoxsterBoxsterISIS
TrimBaseSGTS300350
Body2dr Convertible2dr Convertible2dr Convertible4dr Sedan4dr Sedan
Engine265hp H6315hp H6330hp H6255hp V6306hp V6
TransmissionM6M6M6T6T8
DrivetrainRWDRWDRWDAWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)185, 7445, 10445, 10835, 15835, 15
Tire (rear if not all the same)235/45-18235/40-19235/35-20225/40-18225/40-18
Total Price$71,420$82,650$90,205$47,590$48,770
Adjustments for Features-2,630-3,130-5,180-1,0000
Feature-Adjusted Total Price$68,790$79,520$85,025$46,590$48,770
Cost Above Minimum$0$10,730$16,235$0$2,180

Return to top

Features Comparison: Porsche Boxster vs. Lexus IS

Model Year20152015201520162016
ModelBoxsterBoxsterBoxsterISIS
TrimBaseSGTS300350
Body2dr Convertible2dr Convertible2dr Convertible4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manual$150$150$150  
6-speed manually-shiftable automatic   $1100 
8-speed manually-shiftable automatic    $1300
RWD$0$0$0 $0
AWD   $1700 
Accessories 
Adaptive cruise control   $600$600
Adaptive cruise control, all-speed$850$850$850  
Electronic engine sound enhancement   $0 
Power rear side windows   $200$200
Remote app   $25$25
Remote window/roof operation   $15$15
Tilt/telescoping steering wheel, manual   $250$250
Tilt/telescoping steering wheel, power$350$350$350  
Wind blocker, small$100$100$100  
Brakes, Airbags, and Other Safety 
Automatic braking, high-speed or partial$200$200$200  
Automatic braking, low-speed   $200$200
High performance brake pads (optional)   $0$0
Rear side airbags   $300$300
Roll bar$200$200$200  
Temporary spare tire   $150$150
Vehicle health reports   $0$0
Cargo Management 
Cargo net$40$40$40  
Overhead sunglass holder   $25$25
Climate Control 
Heated windshield washer nozzles$15$15$15  
Rain-sensing wipers$175$175$175  
Rear air vents   $100$100
Residual heat$50$50$50  
Variable intermittent wipers   $75$75
Drivetrain 
Electronically-variable engine mounts (performance-oriented)  $500  
Engine / Motor 
Automatic start / stop$150$150$150  
Dual-mode exhaust, switchable  $500  
Mid-engine configuration$0$0$0  
Regenerative braking$0$0$0  
Exterior 
Black exterior trim (optional)  $0  
Painted brake calipers (optional) $0$0  
Power convertible top$4000$4000$4000  
Retractable rear spoiler$400$400$400  
Sunroof   $900$900
Infotainment 
DVD-Audio-compatible player$0$0$0  
DVD-compatible player   $0$0
Media drive$15$15$15  
Off-road navigation system$0$0$0  
Siri Eyes Free support   $0$0
SMS text-to-speech reader   $25$25
Surround sound $250$250$250$250
Telematics service, such as OnStar   $200$200
Traffic + travel information   $25$25
Traffic information$25$25$25  
Instruments, Lights, and Mirrors 
Analog clock   $25$25
Auto-dimming driver-side mirror$75$75$75  
Auto-dimming passenger-side mirror$75$75$75  
Chronometer  $100  
Fog light, rear$100$100$100  
Headlight washers$50$50$50  
Large color reconfigurable instrument cluster display   $250$250
LED headlights   $1000$1000
Performance meter  $150  
Steering-linked headlights$150$150$150  
Turn signals on or near mirrors   $25$25
Xenon HID headlights$500$500$500  
Seats and Interior Trim 
Center armrest(s), second row   $50$50
Folding second row seats   $300$300
Leather door panel trim $250   
Leather seating surfaces$900$900$900  
Memory system, driver seat$200$200$200  
No leather in second row$-300$-300$-300  
Power 4-way lumbar adjuster, driver seat$150$150$150  
Power 4-way lumbar adjuster, passenger seat$150$150$150  
Power lumbar adjuster, driver seat   $100$100
Power seatback bolsters, driver seat$100$100$100  
Power seatback bolsters, passenger seat$100$100$100  
Power thigh bolsters, driver seat$100$100$100  
Power thigh bolsters, passenger seat$100$100$100  
Power thigh support length adjuster, driver seat$100$100$100  
Power thigh support length adjuster, passenger seat$100$100$100  
Synthetic leather seating surfaces   $0$0
Synthetic suede door panel trim  $250  
Upholstered instrument cluster hood   $50$50
Upholstered instrument panel, leather  $1000  
Suspension, Wheels, and Tires 
Adaptive dampers - electrical$500$500  $500
Electronic systems calibration selector  $200$200$200
Sport suspension (upgrade)  $0$0$0
Transmission 
Launch control  $100  
Steering-wheel-mounted transmission controls   $100$100
Total Value of Features$9,870$10,370$12,420$8,240$7,240
Value of Feature Adjustments$2,630$3,130$5,180$1,000$0
Value of Feature Adjustments-37-38-57-9300

Return to top

Specifications Comparison: Porsche Boxster vs. Lexus IS

Model Year20152016
ModelBoxsterIS
Body2dr Convertible4dr Sedan
Wheelbase97.4 in110.2 in
Length172.2 in183.7 in
Width70.9 in71.3 in
Height50.5 in56.3 in
Curb Weight2,889 lb.3,584 lb.
Fuel Capacity16.9 gal.17.4 gal.
Row 1 Headroom38.6 in38.2 in
Row 1 Shoulder Room51.7 in55.9 in
Row 1 Hip Room53.4 in54.3 in
Row 1 Legroom42.6 in44.8 in
Row 2 Headroom0.0 in36.9 in
Row 2 Shoulder Room0.0 in53.4 in
Row 2 Hip Room0.0 in54.0 in
Row 2 Legroom0.0 in32.2 in
Cargo Volume9.9 ft310.8 ft3

Return to top

Option Package Details
Porsche Boxster

Infotainment Package
FeatureValueRequested?
Satellite radio200Yes
DVD-Audio-compatible player0Yes
HD radio50Yes
USB port25Yes
Unbranded, 185W, 7 speakers350No
Navigation system600Yes
Traffic information25Yes
Off-road navigation system0No
Media drive15No
App support0Yes
Total Requested90071%
Total Not Requested36529%
Premium Package Plus
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Proximity key250Yes
Interior ambient lighting150Yes
Automatic climate control, front200Yes
Heated front seats200Yes
Dual-zone climate control125Yes
Residual heat50No
Automatic air recirculation100Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100No
Auto-dimming driver-side mirror75No
Auto-dimming passenger-side mirror75No
Steering-linked headlights150No
Xenon HID headlights500Yes
Headlight washers50No
Total Requested197580%
Total Not Requested50020%
Adaptive sport seats plus
FeatureValueRequested?
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver seat100No
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100No
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150No
Power thigh support adjuster, passenger seat100No
Memory system, driver seat200No
Power height adjuster, passenger seat50Yes
Power tilt adjuster, 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 seat150No
Power thigh support adjuster, driver seat100No
Front sport buckets100Yes
Total Requested60033%
Total Not Requested120067%

Option Package Details
Porsche Boxster S

Infotainment Package
FeatureValueRequested?
Satellite radio200Yes
DVD-Audio-compatible player0Yes
HD radio50Yes
USB port25Yes
Navigation system600Yes
Traffic information25Yes
Off-road navigation system0No
Media drive15No
App support0Yes
Total Requested90098%
Total Not Requested152%
Premium Package Plus
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Proximity key250Yes
Interior ambient lighting150Yes
Automatic climate control, front200Yes
Heated front seats200Yes
Dual-zone climate control125Yes
Residual heat50No
Automatic air recirculation100Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100No
Auto-dimming driver-side mirror75No
Auto-dimming passenger-side mirror75No
Steering-linked headlights150No
Headlight washers50No
Total Requested147575%
Total Not Requested50025%
Adaptive sport seats plus
FeatureValueRequested?
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver seat100No
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100No
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150No
Power thigh support adjuster, passenger seat100No
Memory system, driver seat200No
Power height adjuster, passenger seat50Yes
Power tilt adjuster, 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 seat150No
Power thigh support adjuster, driver seat100No
Front sport buckets100Yes
Total Requested60033%
Total Not Requested120067%

Option Package Details
Porsche Boxster GTS

Infotainment Package
FeatureValueRequested?
Surround sound250Yes
Performance meter150No
Bose, 445W, 10 speakers (with subwoofer)350No
Satellite radio200Yes
DVD-Audio-compatible player0Yes
HD radio50Yes
USB port25Yes
Navigation system600Yes
Traffic information25Yes
Off-road navigation system0No
Media drive15No
App support0Yes
Total Requested115069%
Total Not Requested51531%
Adaptive sport seats plus
FeatureValueRequested?
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver seat100No
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100No
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150No
Power thigh support adjuster, passenger seat100No
Memory system, driver seat200No
Power height adjuster, passenger seat50Yes
Power tilt adjuster, 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 seat150No
Power thigh support adjuster, driver seat100No
Total Requested50029%
Total Not Requested120071%
Premium Package Plus
FeatureValueRequested?
Proximity key250Yes
Interior ambient lighting150Yes
Automatic climate control, front200Yes
Heated front seats200Yes
Dual-zone climate control125Yes
Residual heat50No
Automatic air recirculation100Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100No
Auto-dimming driver-side mirror75No
Auto-dimming passenger-side mirror75No
Total Requested117580%
Total Not Requested30020%

Option Package Details
Lexus IS 300

Obstacle detection, rear
FeatureValueRequested?
Obstacle detection, rear250Yes
Obstacle detection, front150Yes
Total Requested400100%
Total Not Requested00%
Adaptive cruise control
FeatureValueRequested?
Adaptive cruise control450Yes
Radar- or camera-based collision preparation system0Yes
Automatic braking, low-speed200No
Forward collision warning200Yes
Total Requested65076%
Total Not Requested20024%
Navigation System / Mark Levinson Pkg.
FeatureValueRequested?
Surround sound250Yes
DVD-compatible player0No
Mark Levinson, 835W, 15 speakers (with subwoofer)350No
SMS text-to-speech reader25No
Speed limit information0No
Navigation system600Yes
Voice control for nav and audio75Yes
Vehicle health reports0No
App support0Yes
Total Requested92571%
Total Not Requested37529%
F Sport Package
FeatureValueRequested?
Electronic engine sound enhancement0No
Special exterior trim0No
Special interior trim0No
Metal pedals75Yes
Dark-colored headliner (optional)0No
High performance brake pads (optional)0No
Large color reconfigurable instrument cluster display250No
Sport suspension (upgrade)250Yes
Front sport buckets100Yes
255/35YR18 tires200No
225/40YR18 tires200No
LED headlights500No
Cooled or ventilated front seats300Yes
Rearview camera200Yes
Total Requested92545%
Total Not Requested115055%

Option Package Details
Lexus IS 350

Adaptive cruise control
FeatureValueRequested?
Adaptive cruise control450Yes
Radar- or camera-based collision preparation system0Yes
Automatic braking, low-speed200No
Forward collision warning200Yes
Total Requested65076%
Total Not Requested20024%
Obstacle detection, rear
FeatureValueRequested?
Obstacle detection, rear250Yes
Obstacle detection, front150Yes
Total Requested400100%
Total Not Requested00%
F Sport Package
FeatureValueRequested?
Adaptive dampers - electrical500Yes
Special exterior trim0No
Special interior trim0No
Metal pedals75Yes
Dark-colored headliner (optional)0No
High performance brake pads (optional)0No
Large color reconfigurable instrument cluster display250No
Sport suspension (upgrade)250Yes
Front sport buckets100Yes
255/35YR18 tires200No
225/40YR18 tires200No
LED headlights500No
Heated front seats200Yes
Cooled or ventilated front seats300Yes
Rearview camera200Yes
Total Requested162559%
Total Not Requested115041%
Navigation System / Mark Levinson Pkg.
FeatureValueRequested?
Surround sound250Yes
DVD-compatible player0No
Mark Levinson, 835W, 15 speakers (with subwoofer)350No
SMS text-to-speech reader25No
Speed limit information0No
Navigation system600Yes
Voice control for nav and audio75Yes
Vehicle health reports0No
App support0Yes
Total Requested92571%
Total Not Requested37529%

Was this information useful?

We're glad we could help! Share this page:

We're so sorry! Tell us how we can improve it.

See TrueDelta's information for all Porsche models.