Cadillac STS Cadillac STS 2008 Acura RDX Acura RDX 2009

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Cadillac STS vs. Acura RDX 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. Acura RDX Invoice Comparison

Lowest Total Price: $37,955

Acura RDX   
Difference: $16,395

Lowest Total Invoice: $34,950

Acura RDX   
Difference: $14,889

Calculate Payments

  Down Payment Interest Rate Term
Model Year2008200820082009
ModelSTSSTSSTSRDX
TrimV6V8STS-VBase
Body4dr Sedan4dr Sedan4dr Sedan4dr SUV
Base Price $43,775 $53,275 $77,575 $33,895
Base Invoice $40,930 $49,812 $71,083 $31,164
Preferred Equipment Group 1SC 8,600      
Sunroof 1,200   1,200  
Preferred Equipment Group 1SG   11,690    
Technology Package       3,300
Preferred Equipment Group 1SC 7,138      
Sunroof 996   996  
Preferred Equipment Group 1SG   9,703    
Technology Package       3,026
Options (change) 9,800 11,690 1,200 3,300
Options (change) 8,134 9,703 996 3,026
Destination 775 775 775 760
Gas Tax 0 0 2,100 0
Total Price $54,350 $65,740 $81,650 $37,955
Total Invoice $49,839 $60,290 $74,954 $34,950

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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 Acura RDX dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Cadillac STS vs. Acura RDX

Lowest Adjusted Price and Invoice: Acura RDX
TrueDelta Adjusted Price Difference: $16,480
TrueDelta Adjusted Invoice Difference: $14,967
Model Year2008200820082009
ModelSTSSTSSTSRDX
TrimV6V8STS-VBase
Body4dr Sedan4dr Sedan4dr Sedan4dr SUV
Engine302hp V6320hp V8469hp V8240hp I4
TransmissionT6T6T6T5
DrivetrainRWDRWDRWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)300, 15300, 15300, 15410, 10
Tire (rear if not all the same)235/50-18235/50-18255/45-18235/55-18
Total Price$54,350$65,740$81,650$37,955
Adjustments for Features0-1,500-1,865-85
Feature-Adjusted Total Price$54,350$64,240$79,785$37,870
Cost Above Minimum$0$9,890$25,435$0
Total Invoice$49,839$60,290$74,954$34,950
Adjustments for Features0-1,376-1,712-78
Feature-Adjusted Total Invoice$49,839$58,914$73,242$34,872
Cost Above Minimum$0$9,075$23,403$0

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Features Comparison: Cadillac STS vs. Acura RDX

Model Year2008200820082009
ModelSTSSTSSTSRDX
TrimV6V8STS-VBase
Body4dr Sedan4dr Sedan4dr Sedan4dr SUV
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100$1100$1100 
5-speed manually-shiftable automatic   $1000
RWD$0$0$0 
AWD   $1700
Accessories 
Adaptive cruise control $600  
Cruise control$150 $150$150
Heated steering wheel$100$100$100 
Proximity key$250$250$250 
Remote start$150$150$150 
Tilt/telescoping steering wheel, manual   $250
Tilt/telescoping steering wheel, power$350$350$350 
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats   $0
Blind spot warning system $200$200 
Lane departure warning $200$200 
Obstacle detection, rear$250$250$250 
Rearview camera   $200
Rollover sensor   $50
Tires, run-flat  $150 
Cargo Management 
Cargo cover   $75
Cargo net$40$40$40 
Rear seat pass-through$100$100$100 
Climate Control 
Automatic air recirculation$100$100$100 
Heated windshield washer nozzles  $15 
Rain-sensing wipers$175$175$175 
Rear air vents with manual controls$150$150$150 
Rear wiper   $175
Variable intermittent wipers   $75
Drivetrain 
Active rear differential   $500
Limited-slip rear differential$300$300$300 
Exterior 
Bodyside cladding   $350
Deep-tinted rear windows   $275
Laminated front side windows$200$200$200 
Infotainment 
Aux input   $50
DVD-Audio-compatible player   $0
DVD-compatible player$0$0$0 
MP3-compatible player   $50
Rear seat audio controls$25$25$25 
Telematics service, such as OnStar, with navigation$225$225$225 
Traffic information   $25
Instruments, Lights, and Mirrors 
Auto-dimming driver-side mirror$75$75$75 
Auto-dimming headlights$200$200$200 
Auto-dimming rearview mirror$150$150$150 
Automatic headlights$125$125$125 
Automatic-off headlights   $25
Boost gauge   $75
Head-up display (HUD) $350$350 
Headlight washers$50$50$50 
Interior ambient lighting   $150
Mirror tilt-down in reverse   $25
Seats and Interior Trim 
Cooled or ventilated front seats$300$300  
Folding second row seats   $300
Heated second row seats$200$200$200 
Leather door panel trim  $250$250
Leather-wrapped steering wheel  $150$150
Power 4-way lumbar adjuster, driver seat$150$150$150 
Power 4-way lumbar adjuster, passenger seat$150$150$150 
Power height adjuster, passenger seat$100$100$100 
Power lumbar adjuster, driver seat   $100
Power tilt adjuster, passenger seat$100$100$100 
Synthetic suede inserts in leather seating surfaces  $0 
Upholstered instrument panel, leather  $1000 
Wood trim$300$300$300 
Wood/leather-wrapped steering wheel$150$150  
Suspension, Wheels, and Tires 
Adaptive dampers - electrical $500  
Alloy wheels  $350$350
Auto-leveling rear shocks$200 $200 
Performance steering system (optional)$0$0$0 
Polished alloy wheels$350$350  
Sport suspension (upgrade)$0$0$0 
Total Value of Features$6,265$7,765$8,130$6,350
Value of Feature Adjustments$0$1,500$1,865$85
Value of Feature Adjustments0-1,376-1,712-78

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Specifications Comparison: Cadillac STS vs. Acura RDX

Model Year20082009
ModelSTSRDX
Body4dr Sedan4dr SUV
Wheelbase116.4 in104.3 in
Length196.7 in180.7 in
Width72.6 in73.6 in
Height57.6 in65.2 in
Curb Weight3,974 lb.3,969 lb.
Fuel Capacity17.0 gal.18.0 gal.
Row 1 Headroom38.7 in38.7 in
Row 1 Shoulder Room58.6 in58.2 in
Row 1 Hip Room54.6 in54.4 in
Row 1 Legroom42.6 in41.8 in
Row 2 Headroom37.9 in38.3 in
Row 2 Shoulder Room57.4 in56.3 in
Row 2 Hip Room55.6 in53.0 in
Row 2 Legroom38.3 in37.6 in
Cargo Volume,
Minimum
13.8 ft327.8 ft3
Cargo Volume,
Maximum
13.860.6 ft3

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Option Package Details
Cadillac STS V6

Preferred Equipment Group 1SC
FeatureValueRequested?
Xenon HID headlights500Yes
Auto-leveling rear shocks200No
Headlight washers50No
235/50WR18 tires200No
Auto-dimming headlights200No
255/45WR18 tires200No
Navigation system600Yes
Bluetooth cell phone link100Yes
Surround sound250Yes
DVD-compatible player0Yes
Rear seat audio controls25No
Voice control for nav and audio100Yes
Bose, 300W, 15 speakers (with subwoofer)350No
Cooled or ventilated front seats300No
Wood/leather-wrapped steering wheel0No
Sport suspension (upgrade)250No
Performance braking system (optional)250No
Limited-slip rear differential300Yes
Rear spoiler200Yes
Additional engine cooling0No
Power steering cooler0No
Performance steering system (optional)250No
Wood trim300No
Heated front seats200Yes
Heated second row seats200No
CD changer, in-dash200Yes
Power 4-way lumbar adjuster, driver seat150No
Power 4-way lumbar adjuster, passenger seat150No
Universal garage door opener100Yes
Rain-sensing wipers100No
Memory system, driver seat200Yes
Heated steering wheel100No
Cargo net40No
Total Requested275045%
Total Not Requested331555%

Option Package Details
Cadillac STS V8

Preferred Equipment Group 1SG
FeatureValueRequested?
Adaptive shocks - electrical500No
Cooled or ventilated front seats300No
Sunroof900Yes
Adaptive cruise control450No
235/50WR18 tires200No
255/45WR18 tires200No
Xenon HID headlights500Yes
Headlight washers50No
Auto-dimming headlights200No
Head-up display (HUD)350No
Lane departure warning system200No
Blind spot warning system200No
Sport suspension (upgrade)250No
Performance braking system (optional)250No
Limited-slip rear differential300Yes
Rear spoiler200Yes
Additional engine cooling0No
Power steering cooler0No
Performance steering system (optional)250No
Navigation system600Yes
Bluetooth cell phone link100Yes
Surround sound250Yes
DVD-compatible player0Yes
Rear seat audio controls25No
Voice control for nav and audio100Yes
Bose, 300W, 15 speakers (with subwoofer)350No
Total Requested295044%
Total Not Requested377556%

Option Package Details
Acura RDX

Technology Package
FeatureValueRequested?
Navigation system600Yes
DVD-Audio-compatible player0Yes
Rearview camera200No
Surround sound250Yes
Voice control for nav and audio100Yes
Traffic information25No
ELS, 410W, 10 speakers (with subwoofer)350No
Total Requested95062%
Total Not Requested57538%

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