Cadillac STS Cadillac STS 2006 Acura RDX Acura RDX 2015

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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: $39,715

Acura RDX   
Difference: $8,610

Lowest Total Invoice: $37,306

Acura RDX   
Difference: $6,824

Calculate Payments

  Down Payment Interest Rate Term
Model Year2006200620062015
ModelSTSSTSSTSRDX
TrimV6V8STS-VBase
Body4dr Sedan4dr Sedan4dr Sedan4dr SUV
Base Price $41,020 $47,520 $73,070 $35,095
Base Invoice $37,944 $43,956 $67,704 $32,962
Bose 300W 15 speakers 2,590      
Preferred Equipment Group 1SB 2,640      
Sunroof 1,200 1,200 1,200  
Universal garage door opener 155      
Preferred Equipment Group 1SE   4,445    
Technology Package       3,700
Bose 300W 15 speakers 2,150      
Preferred Equipment Group 1SB 2,191      
Sunroof 996 996 996  
Universal garage door opener 129      
Preferred Equipment Group 1SE   3,689    
Technology Package       3,424
Options (change) 6,585 5,645 1,200 3,700
Options (change) 5,466 4,685 996 3,424
Destination 720 720 720 920
Gas Tax 0 0 2,100 0
Total Price $48,325 $53,885 $77,090 $39,715
Total Invoice $44,130 $49,361 $71,520 $37,306

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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: $9,575
TrueDelta Adjusted Invoice Difference: $7,730
Model Year2006200620062015
ModelSTSSTSSTSRDX
TrimV6V8STS-VBase
Body4dr Sedan4dr Sedan4dr Sedan4dr SUV
Engine254hp V6320hp V8469hp V8273hp V6
TransmissionT5T5T6T6
DrivetrainRWDRWDRWDFWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)300, 15300, 15300, 15410, 10
Tire (rear if not all the same)235/50-17235/50-17255/45-18235/60-18
Total Price$48,325$53,885$77,090$39,715
Adjustments for Features0-390-2,905-965
Feature-Adjusted Total Price$48,325$53,495$74,185$38,750
Cost Above Minimum$0$5,170$25,860$0
Total Invoice$44,130$49,361$71,520$37,306
Adjustments for Features0-357-2,695-906
Feature-Adjusted Total Invoice$44,130$49,004$68,825$36,400
Cost Above Minimum$0$4,874$24,695$0

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Features Comparison: Cadillac STS vs. Acura RDX

Model Year2006200620062015
ModelSTSSTSSTSRDX
TrimV6V8STS-VBase
Body4dr Sedan4dr Sedan4dr Sedan4dr SUV
Transmission and Drivetrain 
5-speed manually-shiftable automatic$1000$1000  
6-speed manually-shiftable automatic  $1100$1100
RWD$0$0$0 
FWD   $0
Accessories 
Active noise reduction   $0
Heated steering wheel $100$100 
Power liftgate   $350
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
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 
Rear seat pass-through$100$100$100 
Climate Control 
Heated windshield washer nozzles  $15 
Rain-sensing wipers$175$175$175 
Rear air vents$100   
Rear air vents with manual controls $150$150 
Rear wiper   $175
Variable intermittent wipers   $75
Drivetrain 
Limited-slip rear differential  $300 
Exterior 
Bodyside cladding   $350
Deep-tinted rear windows   $275
Laminated front side windows$200$200$200 
Rear spoiler  $200$200
Infotainment 
App support   $0
Aux input   $50
Bluetooth audio streaming   $25
CD changer, in-dash$325$325$325 
CD player   $125
DVD-compatible player$0$0$0 
Media drive   $15
MP3-compatible player   $50
Satellite radio   $200
SMS text-to-speech reader   $25
Traffic + travel information   $25
Instruments, Lights, and Mirrors 
Auto-dimming driver-side mirror$75$75$75 
Auto-dimming headlights  $200 
Compass   $0
Headlight washers  $50 
Mirror tilt-down in reverse   $25
Spotter mirror(s)   $50
Xenon HID headlights  $500$500
Seats and Interior Trim 
Folding second row seats   $300
Heated second row seats $200$200 
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 
Suspension, Wheels, and Tires 
Alloy wheels   $350
Auto-leveling rear shocks$200$200$200 
Performance steering system (optional)  $0 
Polished alloy wheels$350$350$350 
Sport suspension (upgrade)  $0 
Transmission 
Steering-wheel-mounted transmission controls   $100
Total Value of Features$4,075$4,465$6,980$5,040
Value of Feature Adjustments$0$390$2,905$965
Value of Feature Adjustments0-357-2,695-906

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Specifications Comparison: Cadillac STS vs. Acura RDX

Model Year20062015
ModelSTSRDX
Body4dr Sedan4dr SUV
Wheelbase116.4 in105.7 in
Length196.3 in183.5 in
Width72.6 in73.7 in
Height57.6 in66.1 in
Curb Weight3,961 lb.3,718 lb.
Fuel Capacity17.0 gal.16.0 gal.
Row 1 Headroom38.7 in38.7 in
Row 1 Shoulder Room58.6 in58.6 in
Row 1 Hip Room54.6 in55.7 in
Row 1 Legroom42.6 in42.0 in
Row 2 Headroom37.9 in38.1 in
Row 2 Shoulder Room57.4 in57.2 in
Row 2 Hip Room55.6 in53.8 in
Row 2 Legroom38.3 in38.3 in
Cargo Volume,
Minimum
13.8 ft326.1 ft3
Cargo Volume,
Maximum
13.861.3 ft3

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Option Package Details
Cadillac STS V6

Preferred Equipment Group 1SB
FeatureValueRequested?
Wood trim300No
Heated front seats200Yes
CD changer, in-dash200No
Power 4-way lumbar adjuster, driver seat150No
Power 4-way lumbar adjuster, passenger seat150No
Rain-sensing wipers100No
Memory system, driver seat200Yes
Interior air filter0Yes
Polished alloy wheels0No
Total Requested40031%
Total Not Requested90069%

Option Package Details
Cadillac STS V8

Preferred Equipment Group 1SE
FeatureValueRequested?
Navigation system600Yes
Heated second row seats200No
Universal garage door opener100Yes
Bluetooth cell phone link100Yes
Heated steering wheel100No
Interior air filter0Yes
Cargo net40No
Surround sound250Yes
DVD-compatible player0No
Bose, 300W, 15 speakers (with subwoofer)350No
Voice control for nav and audio100Yes
Rear air vents with manual controls50No
Wood trim300No
Heated front seats200Yes
CD changer, in-dash200No
Power 4-way lumbar adjuster, driver seat150No
Power 4-way lumbar adjuster, passenger seat150No
Rain-sensing wipers100No
Memory system, driver seat200Yes
Polished alloy wheels0No
Total Requested155049%
Total Not Requested164051%

Option Package Details
Acura RDX

Technology Package
FeatureValueRequested?
Navigation system600Yes
Fog lights125Yes
Xenon HID headlights500Yes
Telematics service, such as OnStar200Yes
DVD-Audio-compatible player0No
Power liftgate350No
Surround sound250Yes
Voice control for nav and audio100Yes
Media drive15No
ELS, 410W, 10 speakers (with subwoofer)350No
Traffic + travel information25No
Total Requested177571%
Total Not Requested74029%

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