Cadillac STS Cadillac STS 2010 Lexus IS Lexus IS 2006

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Cadillac STS 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.

Cadillac STS vs. Lexus IS Invoice Comparison

Lowest Total Price: $44,315

Lexus IS 350   
Difference: $25,295

Lowest Total Invoice: $38,514

Lexus IS 350   
Difference: $27,313

Calculate Payments

  Down Payment Interest Rate Term
Model Year20102006
ModelSTSIS
TrimV8 Performance350
Body4dr Sedan4dr Sedan
Base Price $68,785 $35,440
Base Invoice $65,002 $31,186
Navigation System / Mark Levinson Pkg.   3,990
Sport Package   3,695
Obstacle detection, rear   500
Headlight washers   100
Navigation System / Mark Levinson Pkg.   3,302
Sport Package   2,956
Obstacle detection, rear   400
Headlight washers   80
Options (change) 0 8,285
Options (change) 0 6,738
Destination 825 590
Total Price $69,610 $44,315
Total Invoice $65,827 $38,514

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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 Cadillac STS dealer quotes or Lexus IS dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Cadillac STS vs. Lexus IS

Lowest Adjusted Price and Invoice: Lexus IS 350
TrueDelta Adjusted Price Difference: $22,535
TrueDelta Adjusted Invoice Difference: $24,703
Model Year20102006
ModelSTSIS
TrimV8 Performance350
Body4dr Sedan4dr Sedan
Engine320hp V8306hp V6
TransmissionT6T6
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)15/24 MPG21/28 MPG
Audio (watts, speakers)300, 15300, 14
Tire (rear if not all the same)235/50-18225/40-18
Total Price$69,610$44,315
Adjustments for Features-2,7600
Feature-Adjusted Total Price$66,850$44,315
Total Invoice$65,827$38,514
Adjustments for Features-2,6100
Feature-Adjusted Total Invoice$63,217$38,514

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Features Comparison: Cadillac STS vs. Lexus IS

Model Year20102006
ModelSTSIS
TrimV8 Performance350
Body4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100$1100
RWD$0$0
Accessories 
Adaptive cruise control$600 
Cruise control $150
Heated steering wheel$100 
Remote start$150 
Remote window/roof operation $15
Brakes, Airbags, and Other Safety 
Blind spot warning system$200 
Knee airbag, driver $75
Knee airbag, passenger $75
Lane departure warning$200 
Obstacle detection, front $150
Rearview camera $200
Cargo Management 
Cargo net$40 
Overhead sunglass holder $25
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 
Aux input $50
MP3-compatible player $50
Rear seat audio controls$25 
Satellite radio$200 
Telematics service, such as OnStar, with navigation$225 
Instruments, Lights, and Mirrors 
Auto-dimming headlights$200 
Auto-dimming passenger-side mirror $75
Head-up display (HUD)$350 
Mirror tilt-down in reverse $25
Steering-linked headlights $150
Turn signals on or near mirrors$25 
Seats and Interior Trim 
Heated second row seats$200 
Leather-wrapped steering wheel $150
Memory system, passenger seat $150
Power 4-way lumbar adjuster, driver seat$150 
Power 4-way lumbar adjuster, passenger seat$150 
Power lumbar adjuster, driver seat $100
Power lumbar adjuster, passenger seat $100
Wood trim$300 
Wood/leather-wrapped steering wheel$150 
Suspension, Wheels, and Tires 
Adaptive dampers - electrical$500 
Alloy wheels $350
Polished alloy wheels$350 
Transmission 
Steering-wheel-mounted transmission controls $100
Total Value of Features$6,140$3,380
Value of Feature Adjustments$2,760$0
Value of Feature Adjustments-2,6100

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Specifications Comparison: Cadillac STS vs. Lexus IS

Model Year20102006
ModelSTSIS
Body4dr Sedan4dr Sedan
Wheelbase116.4 in107.5 in
Length196.7 in180.1 in
Width72.6 in70.9 in
Height57.6 in56.1 in
Curb Weight3,995 lb.3,527 lb.
Fuel Capacity17.0 gal.17.2 gal.
Row 1 Headroom38.7 in37.2 in
Row 1 Shoulder Room58.6 in54.4 in
Row 1 Hip Room54.6 in54.1 in
Row 1 Legroom42.6 in43.9 in
Row 2 Headroom37.9 in36.7 in
Row 2 Shoulder Room57.4 in52.7 in
Row 2 Hip Room55.6 in53.7 in
Row 2 Legroom38.3 in30.6 in
Cargo Volume13.8 ft313.0 ft3

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Option Package Details
Lexus IS 350

Obstacle detection, rear
FeatureValueRequested?
Obstacle detection, rear250Yes
Obstacle detection, front150No
Total Requested25063%
Total Not Requested15037%
Navigation System / Mark Levinson Pkg.
FeatureValueRequested?
Surround sound250Yes
DVD-compatible player0Yes
Voice control for nav and audio100Yes
Mark Levinson, 300W, 14 speakers (with subwoofer)350No
Navigation system600Yes
Bluetooth cell phone link100Yes
Rearview camera200No
Total Requested105066%
Total Not Requested55034%
Sport Package
FeatureValueRequested?
Sport suspension (upgrade)250Yes
225/40YR18 tires200No
Heated front seats200Yes
Cooled or ventilated front seats300Yes
Metal pedals75No
255/40YR18 tires200No
Tilt/telescoping steering wheel, power100Yes
Rain-sensing wipers100No
Steering-linked headlights150No
Xenon HID headlights500Yes
Memory system, driver seat200Yes
Memory system, passenger seat150No
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75No
Mirror tilt-down in reverse25No
Total Requested162563%
Total Not Requested97537%

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