Lexus IS Lexus IS 2015 Cadillac STS Cadillac STS 2008

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Lexus IS vs. Cadillac STS 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. Cadillac STS Invoice Comparison

Lowest Total Price: $50,085

Lexus IS 350   
Difference: $16,650

Lowest Total Invoice: $46,563

Lexus IS 350   
Difference: $14,553

Calculate Payments

  Down Payment Interest Rate Term
Model Year20152008
ModelISSTS
Trim350V8
Body4dr Sedan4dr Sedan
Base Price $40,065 $53,275
Base Invoice $37,261 $49,812
F Sport Package 3,740  
Navigation System / Mark Levinson Pkg. 2,995  
All Weather Package 360  
Active steering 400 995
Adaptive cruise control 500  
Blind spot warning system 600  
Obstacle detection, rear 500  
Preferred Equipment Group 1SG   11,690
F Sport Package 3,441  
Navigation System / Mark Levinson Pkg. 2,764  
All Weather Package 332  
Active steering 368 826
Adaptive cruise control 460  
Blind spot warning system 552  
Obstacle detection, rear 460  
Preferred Equipment Group 1SG   9,703
Options (change) 9,095 12,685
Options (change) 8,377 10,529
Destination 925 775
Total Price $50,085 $66,735
Total Invoice $46,563 $61,116

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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 Cadillac STS 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. Cadillac STS

Lowest Adjusted Price and Invoice: Lexus IS 350
TrueDelta Adjusted Price Difference: $15,990
TrueDelta Adjusted Invoice Difference: $13,949
Model Year20152008
ModelISSTS
Trim350V8
Body4dr Sedan4dr Sedan
Engine306hp V6320hp V8
TransmissionT8T6
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG
Audio (watts, speakers)835, 15300, 15
Tire (rear if not all the same)225/40-18235/50-18
Total Price$50,085$66,735
Adjustments for Features0-660
Feature-Adjusted Total Price$50,085$66,075
Total Invoice$46,563$61,116
Adjustments for Features0-604
Feature-Adjusted Total Invoice$46,563$60,512

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Features Comparison: Lexus IS vs. Cadillac STS

Model Year20152008
ModelISSTS
Trim350V8
Body4dr Sedan4dr Sedan
Transmission and Drivetrain 
8-speed manually-shiftable automatic$1300 
6-speed manually-shiftable automatic $1100
RWD$0$0
Accessories 
Remote app$25 
Remote start $150
Remote window/roof operation$15 
Brakes, Airbags, and Other Safety 
Automatic braking, low-speed$200 
Cross-traffic warning, rear$100 
Forward collision warning$200 
High performance brake pads (optional)$0 
Knee airbag, driver$75 
Knee airbag, passenger$75 
Lane departure warning $200
Obstacle detection, front$150 
Radar- or camera-based collision preparation system$0 
Rear side airbags$300 
Rearview camera$200 
Cargo Management 
Cargo net $40
Overhead sunglass holder$25 
Rear seat pass-through $100
Climate Control 
Rain-sensing wipers $175
Rear air vents$100 
Rear air vents with manual controls $150
Variable intermittent wipers$75 
Water-repellent front-door glass$15 
Drivetrain 
Limited-slip rear differential $300
Exterior 
Laminated front side windows $200
Rear spoiler $200
Infotainment 
App support$0 
Aux input$50 
Bluetooth audio streaming$25 
CD changer, in-dash $325
CD player$125 
HD radio$50 
MP3-compatible player$50 
Rear seat audio controls $25
SMS text-to-speech reader$25 
Telematics service, such as OnStar$200 
Telematics service, such as OnStar, with navigation $225
Traffic + travel information$25 
USB port$25 
Instruments, Lights, and Mirrors 
Analog clock$25 
Auto-dimming driver-side mirror $75
Auto-dimming headlights $200
Fog lights $125
Head-up display (HUD) $350
Interior ambient lighting$150 
Large color reconfigurable instrument cluster display$250 
LED headlights$1000 
Xenon HID headlights $500
Seats and Interior Trim 
Folding second row seats$300 
Heated second row seats $200
Leather seating surfaces $900
Leather-wrapped steering wheel$150 
Memory system, driver seat $200
Metal pedals$75 
Power 4-way lumbar adjuster, driver seat $150
Power 4-way lumbar adjuster, passenger seat $150
Power lumbar adjuster, driver seat$100 
Synthetic leather seating surfaces$0 
Upholstered instrument cluster hood$50 
Wood trim $300
Wood/leather-wrapped steering wheel $150
Suspension, Wheels, and Tires 
Alloy wheels$350 
Electronic systems calibration selector$200 
Performance steering system (optional) $0
Polished alloy wheels $350
Transmission 
Steering-wheel-mounted transmission controls$100 
Total Value of Features$6,180$6,840
Value of Feature Adjustments$0$660
Value of Feature Adjustments0-604

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Specifications Comparison: Lexus IS vs. Cadillac STS

Model Year20152008
ModelISSTS
Body4dr Sedan4dr Sedan
Wheelbase110.2 in116.4 in
Length183.7 in196.7 in
Width71.3 in72.6 in
Height56.3 in57.6 in
Curb Weight3,462 lb.3,974 lb.
Fuel Capacity17.4 gal.17.0 gal.
Row 1 Headroom38.2 in38.7 in
Row 1 Shoulder Room55.9 in58.6 in
Row 1 Hip Room54.3 in54.6 in
Row 1 Legroom44.8 in42.6 in
Row 2 Headroom36.9 in37.9 in
Row 2 Shoulder Room53.4 in57.4 in
Row 2 Hip Room54.0 in55.6 in
Row 2 Legroom32.2 in38.3 in
Cargo Volume10.8 ft313.8 ft3

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Option Package Details
Lexus IS 350

F Sport Package
FeatureValueRequested?
Adaptive dampers - electrical500Yes
Special exterior trim0No
Special interior trim0No
Metal pedals75No
Dark-colored headliner (optional)0No
High performance brake pads (optional)0No
Large color reconfigurable instrument cluster display250No
Sport suspension (upgrade)250Yes
Front sport buckets100No
255/35YR18 tires200No
225/40YR18 tires200No
LED headlights500No
Heated front seats200Yes
Cooled or ventilated front seats300Yes
Total Requested125049%
Total Not Requested132551%
Navigation System / Mark Levinson Pkg.
FeatureValueRequested?
Surround sound250Yes
DVD-compatible player0Yes
Mark Levinson, 835W, 15 speakers (with subwoofer)350No
Voice control for nav and audio75Yes
SMS text-to-speech reader25No
Speed limit information0No
Navigation system600Yes
Rearview camera200No
Remote app25No
App support0No
Total Requested92561%
Total Not Requested60039%
All Weather Package
FeatureValueRequested?
Heated steering wheel100Yes
Headlight washers50Yes
Total Requested150100%
Total Not Requested00%

Option Package Details
Cadillac STS V8

Preferred Equipment Group 1SG
FeatureValueRequested?
Adaptive shocks - electrical500Yes
Cooled or ventilated front seats300Yes
Sunroof900Yes
Adaptive cruise control450Yes
235/50WR18 tires200No
255/45WR18 tires200No
Auto-dimming headlights200No
Xenon HID headlights500Yes
Headlight washers50Yes
Head-up display (HUD)350No
Lane departure warning system200No
Blind spot warning system200Yes
Rear spoiler200No
Additional engine cooling0No
Power steering cooler0No
Performance steering system (optional)250No
Sport suspension (upgrade)250Yes
Performance braking system (optional)250No
Limited-slip rear differential300No
DVD-compatible player0Yes
Rear seat audio controls25No
Voice control for nav and audio100Yes
Navigation system600Yes
Bluetooth cell phone link100Yes
Surround sound250Yes
Bose, 300W, 15 speakers (with subwoofer)350No
Total Requested420062%
Total Not Requested252538%

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