Lexus IS Lexus IS 2017 Porsche Boxster Porsche Boxster 2008

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Lexus IS vs. Porsche Boxster 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.

Lexus IS vs. Porsche Boxster Invoice Comparison

Lowest Total Price: $45,809

Lexus IS 350   
Difference: $14,431

Lowest Total Invoice: $42,415

Lexus IS 350   
Difference: $9,915

Calculate Payments

  Down Payment Interest Rate Term
Model Year20172008
ModelISBoxster
Trim350Base
Body4dr Sedan2dr Convertible
Base Price $41,370 $45,800
Base Invoice $38,474 $39,923
Navigation system 1,735 3,110
Rearview camera 350  
Rear spoiler 389  
Cargo net 65  
Obstacle detection, rear 500 530
Illuminated door sill trim plates 425 725
RWD 0  
Sport Chrono Package   920
Adaptive dampers - electrical   1,990
Power Seat Package   1,550
Metallic paint (extra cost)   690
Floor mats   115
Automatic climate control, front   550
Auto-dimming rearview mirror   690
Carbon fiber / leather-wrapped steering wheel   1,360
Xenon HID headlights   1,090
Upholstered instrument cluster hood, leather   260
Navigation system 1,604 2,644
Rearview camera 324  
Rear spoiler 259  
Cargo net 39  
Obstacle detection, rear 460 451
Illuminated door sill trim plates 280 616
RWD 0  
Sport Chrono Package   782
Adaptive dampers - electrical   1,692
Power Seat Package   1,318
Metallic paint (extra cost)   587
Floor mats   98
Automatic climate control, front   468
Auto-dimming rearview mirror   587
Carbon fiber / leather-wrapped steering wheel   1,156
Xenon HID headlights   927
Upholstered instrument cluster hood, leather   221
Options (change) 3,464 13,580
Options (change) 2,966 11,547
Destination 975 860
Total Price $45,809 $60,240
Total Invoice $42,415 $52,330

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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 Lexus IS dealer quotes or Porsche Boxster 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: Lexus IS vs. Porsche Boxster

Lowest Adjusted Price and Invoice: Lexus IS 350
TrueDelta Adjusted Price Difference: $15,306
TrueDelta Adjusted Invoice Difference: $10,725
Model Year20172008
ModelISBoxster
Trim350Base
Body4dr Sedan2dr Convertible
Engine306hp V6245hp H6
TransmissionT8M5
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)19/28 MPG20/29 MPG
Audio (watts, speakers)293, 850, 4
Tire (rear if not all the same)225/40-18205/55-17
Total Price$45,809$60,240
Adjustments for Features-8750
Feature-Adjusted Total Price$44,934$60,240
Total Invoice$42,415$52,330
Adjustments for Features-8100
Feature-Adjusted Total Invoice$41,605$52,330

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Features Comparison: Lexus IS vs. Porsche Boxster

Model Year20172008
ModelISBoxster
Trim350Base
Body4dr Sedan2dr Convertible
Transmission and Drivetrain 
8-speed manually-shiftable automatic$1300 
5-speed manual $0
RWD$0$0
Accessories 
Adaptive cruise control$600 
Cruise control $150
Power rear side windows$200 
Proximity key$250 
Remote app$25 
Remote window/roof operation$15 
Brakes, Airbags, and Other Safety 
Automatic braking, low-speed$200 
Brake assist$50 
Forward collision warning$200 
Knee airbag, driver$75 
Knee airbag, passenger$75 
Lane departure prevention, steering-based$200 
Lane departure warning$200 
Obstacle detection, front$150 
Pedestrian detection$50 
Radar- or camera-based collision preparation system$0 
Rear side airbags$300 
Rearview camera$200 
Roll bar $200
Side curtain airbags$350 
Temporary spare tire$150 
Vehicle health reports$0 
Cargo Management 
Overhead sunglass holder$25 
Climate Control 
Automatic air recirculation$100 
Dual-zone climate control$125 
Heated windshield washer nozzles $15
Rain-sensing wipers $175
Rear air vents$100 
Variable intermittent wipers$75 
Engine / Motor 
Mid-engine configuration $0
Exterior 
Power convertible top $4000
Rear spoiler$200 
Retractable rear spoiler $400
Sunroof$900 
Infotainment 
App support$0 
Aux input$50 
Bluetooth audio streaming$25 
Bluetooth cell phone link$100 
DVD-compatible player$0 
HD radio$50 
MP3-compatible player$50 
Satellite radio$200 
Siri Eyes Free support$0 
SMS text-to-speech reader$25 
Telematics service, such as OnStar$200 
Traffic + travel information$25 
USB port$25 
Voice control for nav and audio$100 
Instruments, Lights, and Mirrors 
Analog clock$25 
Auto-dimming driver-side mirror $75
Auto-dimming headlights$200 
Auto-dimming passenger-side mirror $75
Automatic headlights$125 
Chronometer $100
Fog light, rear $100
Headlight washers $50
LED headlights, single projector or low beam only$750 
Turn signals on or near mirrors$25 
Xenon HID headlights $500
Seats and Interior Trim 
Carbon fiber / leather-wrapped steering wheel $150
Center armrest(s), second row$50 
Folding second row seats$300 
Leather door panel trim $250
Leather seating surfaces $900
Leather-wrapped steering wheel$150 
Memory system, driver seat $200
Metal pedals $75
No leather in second row $-300
Power 4-way lumbar adjuster, driver seat $150
Power lumbar adjuster, driver seat$100 
Synthetic leather seating surfaces$0 
Upholstered instrument cluster hood$50 
Upholstered instrument cluster hood, leather $200
Suspension, Wheels, and Tires 
Adaptive dampers - electrical $500
Transmission 
Steering-wheel-mounted transmission controls$100 
Total Value of Features$8,840$7,965
Value of Feature Adjustments$875$0
Value of Feature Adjustments-8100

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Specifications Comparison: Lexus IS vs. Porsche Boxster

Model Year20172008
ModelISBoxster
Body4dr Sedan2dr Convertible
Wheelbase110.2 in95.1 in
Length184.3 in170.4 in
Width71.3 in70.9 in
Height56.3 in51.0 in
Curb Weight3,593 lb.2,855 lb.
Fuel Capacity17.4 gal.17.0 gal.
Row 1 Headroom38.2 in38.4 in
Row 1 Shoulder Room55.9 in51.7 in
Row 1 Hip Room54.3 in53.4 in
Row 1 Legroom44.8 in41.6 in
Row 2 Headroom36.9 in0.0 in
Row 2 Shoulder Room53.4 in0.0 in
Row 2 Hip Room54.0 in0.0 in
Row 2 Legroom32.2 in0.0 in
Cargo Volume10.8 ft39.9 ft3

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Option Package Details
Lexus IS 350

Navigation system
FeatureValueRequested?
Navigation system550Yes
DVD-compatible player0No
Voice control for nav and audio75No
SMS text-to-speech reader25No
Speed limit information0No
Vehicle health reports0No
App support0No
Total Requested55085%
Total Not Requested10015%

Option Package Details
Porsche Boxster

Auto-dimming rearview mirror
FeatureValueRequested?
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100No
Auto-dimming driver-side mirror75No
Auto-dimming passenger-side mirror75No
Total Requested15038%
Total Not Requested25062%
Carbon fiber / leather-wrapped steering wheel
FeatureValueRequested?
Carbon fiber / leather-wrapped steering wheel0No
Audio controls on steering wheel125Yes
Total Requested125100%
Total Not Requested00%
Xenon HID headlights
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50No
Total Requested50091%
Total Not Requested509%
Sport Chrono Package
FeatureValueRequested?
Chronometer100No
Electronic systems calibration selector200Yes
Total Requested20067%
Total Not Requested10033%
Power Seat Package
FeatureValueRequested?
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150No
Power fore-aft adjuster, passenger seat100Yes
Memory system, driver seat200No
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat100Yes
Total Requested50059%
Total Not Requested35041%

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