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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: $43,124

Lexus IS 350   
Difference: $13,876

Lowest Total Invoice: $37,614

Lexus IS 350   
Difference: $10,960

Calculate Payments

  Down Payment Interest Rate Term
Model Year20072007
ModelISBoxster
Trim350Base
Body4dr Sedan2dr Convertible
Base Price $35,705 $45,600
Base Invoice $31,420 $38,760
Luxury Package 3,495  
Navigation system 2,550 3,070
6-speed shiftable automatic 0  
Sunroof 0  
Headlight washers 100  
Obstacle detection, rear 500 530
Cargo net 59  
Power Seat Package   1,550
Auto-dimming rearview mirror   690
Xenon HID headlights   1,090
Floor mats   115
Heated front seats   480
Automatic climate control, front   550
Wood trim   890
Audio controls on steering wheel   990
CD changer, remote   650
Luxury Package 2,796  
Navigation system 2,168 2,610
6-speed shiftable automatic 0  
Sunroof 0  
Headlight washers 80  
Obstacle detection, rear 400 451
Cargo net 35  
Power Seat Package   1,318
Auto-dimming rearview mirror   587
Xenon HID headlights   927
Floor mats   98
Heated front seats   408
Automatic climate control, front   468
Wood trim   757
Audio controls on steering wheel   842
CD changer, remote   553
Options (change) 6,704 10,605
Options (change) 5,479 9,019
Destination 715 795
Total Price $43,124 $57,000
Total Invoice $37,614 $48,574

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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

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

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: $14,651
TrueDelta Adjusted Invoice Difference: $11,636
Model Year20072007
ModelISBoxster
Trim350Base
Body4dr Sedan2dr Convertible
Engine306hp V6245hp H6
TransmissionT6M5
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)21/28 MPG20/29 MPG
Audio (watts, speakers)194, 1250, 4
Tire (rear if not all the same)225/45-17205/55-17
Total Price$43,124$57,000
Adjustments for Features-7750
Feature-Adjusted Total Price$42,349$57,000
Total Invoice$37,614$48,574
Adjustments for Features-6760
Feature-Adjusted Total Invoice$36,938$48,574

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Features Comparison: Lexus IS vs. Porsche Boxster

Model Year20072007
ModelISBoxster
Trim350Base
Body4dr Sedan2dr Convertible
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100 
5-speed manual $0
RWD$0$0
Accessories 
Power rear side windows$200 
Proximity key$250 
Remote window/roof operation$15 
Sunshade, rear, power$225 
Tilt/telescoping steering wheel, manual $250
Tilt/telescoping steering wheel, power$350 
Brakes, Airbags, and Other Safety 
Brake assist$50 
Knee airbag, driver$75 
Knee airbag, passenger$75 
Obstacle detection, front$150 
Rearview camera$200 
Roll bar $200
Side curtain airbags$350 
Cargo Management 
Overhead sunglass holder$25 
Rear seat pass-through$100 
Climate Control 
Dual-zone climate control$125 
Heated windshield washer nozzles $15
Rear air vents$100 
Engine / Motor 
Mid-engine configuration $0
Exterior 
Power convertible top $4000
Retractable rear spoiler $400
Sunroof$900 
Infotainment 
Aux input$50 
Bluetooth cell phone link$100 
CD changer, in-dash$325 
CD changer, remote $200
CD player $125
MP3-compatible player$50 
Voice control for nav and audio$100 
Instruments, Lights, and Mirrors 
Automatic headlights$125 
Fog light, rear $100
Mirror tilt-down in reverse$25 
Steering-linked headlights$150 
Seats and Interior Trim 
Center armrest(s), second row$50 
Cooled or ventilated front seats$300 
Illuminated door sill trim plates$200 
Memory system, passenger seat$150 
Power 4-way lumbar adjuster, driver seat $150
Power lumbar adjuster, driver seat$100 
Power lumbar adjuster, passenger seat$100 
Transmission 
Steering-wheel-mounted transmission controls$100 
Total Value of Features$6,215$5,440
Value of Feature Adjustments$775$0
Value of Feature Adjustments-6760

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See a complete comparison of Lexus IS vs. Porsche Boxster features.

Specifications Comparison: Lexus IS vs. Porsche Boxster

Model Year20072007
ModelISBoxster
Body4dr Sedan2dr Convertible
Wheelbase107.5 in95.1 in
Length180.1 in170.4 in
Width70.9 in70.9 in
Height56.1 in51.0 in
Curb Weight3,527 lb.2,855 lb.
Fuel Capacity17.2 gal.17.0 gal.
Row 1 Headroom37.2 in38.4 in
Row 1 Shoulder Room54.4 in51.7 in
Row 1 Hip Room54.1 in53.4 in
Row 1 Legroom43.9 in41.6 in
Row 2 Headroom36.7 in0.0 in
Row 2 Shoulder Room52.7 in0.0 in
Row 2 Hip Room53.7 in0.0 in
Row 2 Legroom30.6 in0.0 in
Cargo Volume13.0 ft39.9 ft3

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See a complete comparison of Lexus IS vs. Porsche Boxster specs.

Option Package Details
Lexus IS 350

Luxury Package
FeatureValueRequested?
Sunshade, rear, power225No
Cooled or ventilated front seats300No
Wood trim300Yes
Heated front seats200Yes
Steering-linked headlights150No
Xenon HID headlights500Yes
Memory system, driver seat200Yes
Memory system, passenger seat150No
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75Yes
Mirror tilt-down in reverse25No
Illuminated door sill trim plates200No
Tilt/telescoping steering wheel, power100No
Rain-sensing wipers100Yes
Total Requested145056%
Total Not Requested115044%
Navigation system
FeatureValueRequested?
Navigation system600Yes
Bluetooth cell phone link100No
Rearview camera200No
Voice control for nav and audio100No
Total Requested60060%
Total Not Requested40040%

Option Package Details
Porsche Boxster

Auto-dimming rearview mirror
FeatureValueRequested?
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75Yes
Total Requested400100%
Total Not Requested00%
Xenon HID headlights
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Total Requested550100%
Total Not Requested00%
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 seat200Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat100Yes
Total Requested70082%
Total Not Requested15018%

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