Acura RDX Acura RDX 2018 Cadillac STS Cadillac STS 2009

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Acura RDX 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.

Acura RDX vs. Cadillac STS Invoice Comparison

Lowest Total Price: $43,475

Acura RDX   
Difference: $25,150

Lowest Total Invoice: $41,317

Acura RDX   
Difference: $21,644

Calculate Payments

  Down Payment Interest Rate Term
Model Year20182009
ModelRDXSTS
TrimBaseV8
Body4dr SUV4dr Sedan
Base Price $35,800 $55,910
Base Invoice $33,995 $52,276
Advance Package 6,700  
Preferred Equipment Group 1SG   11,940
Advance Package 6,347  
Preferred Equipment Group 1SG   9,910
Options (change) 6,700 11,940
Options (change) 6,347 9,910
Destination 975 775
Total Price $43,475 $68,625
Total Invoice $41,317 $62,961

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

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TrueDelta Value Comparison: Acura RDX vs. Cadillac STS

Lowest Adjusted Price and Invoice: Acura RDX
TrueDelta Adjusted Price Difference: $26,715
TrueDelta Adjusted Invoice Difference: $23,131
Model Year20182009
ModelRDXSTS
TrimBaseV8
Body4dr SUV4dr Sedan
Engine279hp V6320hp V8
TransmissionT6T6
DrivetrainFWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG
Audio (watts, speakers)410, 10300, 15
Tire (rear if not all the same)235/60-18235/50-18
Total Price$43,475$68,625
Adjustments for Features-1,5650
Feature-Adjusted Total Price$41,910$68,625
Total Invoice$41,317$62,961
Adjustments for Features-1,4870
Feature-Adjusted Total Invoice$39,830$62,961

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Features Comparison: Acura RDX vs. Cadillac STS

Model Year20182009
ModelRDXSTS
TrimBaseV8
Body4dr SUV4dr Sedan
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100$1100
FWD$0 
RWD $0
Accessories 
Active noise reduction$0 
Adaptive cruise control $600
Adaptive cruise control, all-speed$850 
Heated steering wheel $100
Power liftgate$350 
Remote window/roof operation$15 
Tilt/telescoping steering wheel, manual$250 
Tilt/telescoping steering wheel, power $350
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0 
Automatic braking, high-speed or partial$200 
Automatic braking, low-speed$200 
Cross-traffic warning, rear$100 
Forward collision warning$200 
Lane keeping assist$400 
Obstacle detection, front$150 
Pedestrian detection$50 
Radar- or camera-based collision preparation system$0 
Rearview camera$200 
Rollover sensor$50 
Wide-view rear camera$0 
Cargo Management 
Cargo cover$75 
Cargo net $40
Rear seat pass-through $100
Climate Control 
Automatic air recirculation $100
Rear air vents$100 
Rear air vents with manual controls $150
Rear wiper$175 
Drivetrain 
Limited-slip rear differential $300
Exterior 
Bodyside cladding$350 
Deep-tinted rear windows$275 
Laminated front side windows $200
Infotainment 
App support$0 
Aux input$50 
Bluetooth audio streaming$25 
CD changer, in-dash $325
CD player$125 
DVD-Audio-compatible player$0 
DVD-compatible player $0
HD radio$50 
Media drive$15 
MP3-compatible player$50 
Rear seat audio controls $25
Siri Eyes Free support$0 
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 
Auto-dimming headlights $200
Auto-dimming passenger-side mirror$75 
Compass$0 
Head-up display (HUD) $350
Headlight washers $50
Interior ambient lighting$150 
LED headlights$1000 
Mirror tilt-down in reverse$25 
Spotter mirror(s)$50 
Xenon HID headlights $500
Seats and Interior Trim 
Folding second row seats$300 
Heated second row seats $200
Leather-wrapped steering wheel$150 
Power 4-way lumbar adjuster, driver seat $150
Power 4-way lumbar adjuster, passenger seat $150
Power lumbar adjuster, driver seat$100 
Wood trim $300
Wood/leather-wrapped steering wheel $150
Suspension, Wheels, and Tires 
Adaptive dampers - electrical $500
Adaptive dampers - mechanical$100 
Machined alloy wheels$350 
Performance steering system (optional) $0
Polished alloy wheels $350
Sport suspension (upgrade) $0
Transmission 
Steering-wheel-mounted transmission controls$100 
Total Value of Features$8,080$6,515
Value of Feature Adjustments$1,565$0
Value of Feature Adjustments-1,4870

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Specifications Comparison: Acura RDX vs. Cadillac STS

Model Year20182009
ModelRDXSTS
Body4dr SUV4dr Sedan
Wheelbase105.7 in116.4 in
Length184.4 in196.7 in
Width73.7 in72.6 in
Height65.0 in57.6 in
Curb Weight3,738 lb.3,974 lb.
Fuel Capacity16.0 gal.17.0 gal.
Row 1 Headroom38.7 in38.7 in
Row 1 Shoulder Room58.7 in58.6 in
Row 1 Hip Room55.7 in54.6 in
Row 1 Legroom42.0 in42.6 in
Row 2 Headroom38.1 in37.9 in
Row 2 Shoulder Room57.2 in57.4 in
Row 2 Hip Room53.8 in55.6 in
Row 2 Legroom38.3 in38.3 in
Cargo Volume,
Minimum
26.1 ft313.8 ft3
Cargo Volume,
Maximum
61.3 ft313.8 ft3

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Option Package Details
Acura RDX

Advance Package
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Rain-sensing wipers100Yes
Fog lights125Yes
Obstacle detection, front150No
Obstacle detection, rear250Yes
Auto-dimming driver-side mirror75Yes
Remote start150Yes
Auto-dimming passenger-side mirror75No
DVD-Audio-compatible player0Yes
Power height adjuster, passenger seat100Yes
Power tilt adjuster, passenger seat100Yes
Surround sound250Yes
Voice control for nav and audio100Yes
HD radio50No
Blind spot warning system200Yes
Media drive15No
Traffic + travel information25No
Cross-traffic warning, rear100No
Navigation system600Yes
Leather seating surfaces900Yes
Telematics service, such as OnStar200Yes
ELS, 410W, 10 speakers (with subwoofer)350No
Automatic braking, low-speed200No
Automatic braking, high-speed or partial200No
Forward collision warning200No
Pedestrian detection50No
Lane keeping assist400No
Radar- or camera-based collision preparation system0No
Lane departure warning200Yes
Adaptive cruise control, all-speed700No
Total Requested365059%
Total Not Requested251541%

Option Package Details
Cadillac STS V8

Preferred Equipment Group 1SG
FeatureValueRequested?
Adaptive shocks - electrical500No
Cooled or ventilated front seats300Yes
Sunroof900Yes
Adaptive cruise control450Yes
235/50WR18 tires200No
255/45WR18 tires200No
Termporary spare tire150Yes
Xenon HID headlights500Yes
Headlight washers50No
Auto-dimming headlights200No
Head-up display (HUD)350No
Lane departure warning system200Yes
Blind spot warning system200Yes
Sport suspension (upgrade)250No
Performance braking system (optional)250No
Limited-slip rear differential300No
Rear spoiler200Yes
Additional engine cooling0No
Power steering cooler0No
Performance steering system (optional)250No
Navigation system600Yes
Surround sound250Yes
DVD-compatible player0No
Rear seat audio controls25No
Voice control for nav and audio100Yes
Bose, 300W, 15 speakers (with subwoofer)350No
Total Requested385057%
Total Not Requested292543%

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