Cadillac STS Cadillac STS 2009 Acura RL Acura RL 2009

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Cadillac STS vs. Acura RL 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 RL Invoice Comparison

Lowest Total Price: $51,060

Acura RL   
Difference: $6,175

Lowest Total Invoice: $45,940

Acura RL   
Difference: $6,570

Calculate Payments

  Down Payment Interest Rate Term
Model Year200920092009
ModelSTSSTSRL
TrimV6V8Base
Body4dr Sedan4dr Sedan4dr Sedan
Base Price $46,410 $55,910 $46,680
Base Invoice $43,393 $52,276 $41,935
Preferred Equipment Group 1SC 8,600    
Temporary spare tire 250    
Sunroof 1,200    
Preferred Equipment Group 1SG   11,940  
Technology Package     3,620
Preferred Equipment Group 1SC 7,138    
Temporary spare tire 208    
Sunroof 996    
Preferred Equipment Group 1SG   9,910  
Technology Package     3,245
Options (change) 10,050 11,940 3,620
Options (change) 8,342 9,910 3,245
Destination 775 775 760
Total Price $57,235 $68,625 $51,060
Total Invoice $52,510 $62,961 $45,940

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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 RL 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: Cadillac STS vs. Acura RL

Lowest Adjusted Price and Invoice: Acura RL
TrueDelta Adjusted Price Difference: $6,815
TrueDelta Adjusted Invoice Difference: $7,146
Model Year200920092009
ModelSTSSTSRL
TrimV6V8Base
Body4dr Sedan4dr Sedan4dr Sedan
Engine302hp V6320hp V8300hp V6
TransmissionT6T6T5
DrivetrainRWDRWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG
Audio (watts, speakers)300, 15300, 15260, 10
Tire (rear if not all the same)235/50-18235/50-18245/45-18
Total Price$57,235$68,625$51,060
Adjustments for Features0-1,500-640
Feature-Adjusted Total Price$57,235$67,125$50,420
Cost Above Minimum$0$9,890$0
Total Invoice$52,510$62,961$45,940
Adjustments for Features0-1,376-576
Feature-Adjusted Total Invoice$52,510$61,585$45,364
Cost Above Minimum$0$9,075$0

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Features Comparison: Cadillac STS vs. Acura RL

Model Year200920092009
ModelSTSSTSRL
TrimV6V8Base
Body4dr Sedan4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100$1100 
5-speed manually-shiftable automatic  $1000
RWD$0$0 
AWD  $1700
Accessories 
Active noise reduction  $0
Adaptive cruise control $600 
Cruise control$150 $150
Heated steering wheel$100$100 
Remote start$150$150 
Remote window/roof operation  $15
Sunshade, rear, power  $225
Sunshades, second row  $125
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats  $0
Blind spot warning system $200 
Lane departure warning $200 
Obstacle detection, rear$250$250 
Rearview camera  $200
Climate Control 
Automatic air recirculation$100$100 
Rain-sensing wipers$175$175 
Rear air vents  $100
Rear air vents with manual controls$150$150 
Variable intermittent wipers  $75
Drivetrain 
Active rear differential  $500
Limited-slip rear differential$300$300 
Exterior 
Bodyside moldings  $75
Laminated front side windows$200$200 
Rear spoiler$200$200 
Infotainment 
Aux input  $50
DVD-Audio-compatible player  $0
DVD-compatible player$0$0 
Rear seat audio controls$25$25 
Telematics service, such as OnStar, with navigation$225$225 
Traffic + travel information  $25
USB port  $25
Instruments, Lights, and Mirrors 
Auto-dimming driver-side mirror$75$75 
Auto-dimming headlights$200$200 
Head-up display (HUD) $350 
Headlight washers$50$50 
Interior ambient lighting  $150
Mirror tilt-down in reverse  $25
Steering-linked headlights  $150
Seats and Interior Trim 
Door sill trim plates$100$100 
Heated second row seats$200$200 
Leather door panel trim  $250
Power 4-way lumbar adjuster, driver seat$150$150 
Power 4-way lumbar adjuster, passenger seat$150$150 
Power lumbar adjuster, driver seat  $100
Power lumbar adjuster, passenger seat  $100
Power-folding headrests, second row seats  $50
Wood trim$300$300 
Suspension, Wheels, and Tires 
Adaptive dampers - electrical $500 
Alloy wheels  $350
Auto-leveling rear shocks$200  
Performance steering system (optional)$0$0 
Polished alloy wheels$350$350 
Sport suspension (upgrade)$0$0 
Transmission 
Steering-wheel-mounted transmission controls  $100
Total Value of Features$4,900$6,400$5,540
Value of Feature Adjustments$0$1,500$640
Value of Feature Adjustments0-1,376-576

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Specifications Comparison: Cadillac STS vs. Acura RL

Model Year20092009
ModelSTSRL
Body4dr Sedan4dr Sedan
Wheelbase116.4 in110.2 in
Length196.7 in195.8 in
Width72.6 in72.7 in
Height57.6 in57.2 in
Curb Weight3,974 lb.4,084 lb.
Fuel Capacity17.0 gal.19.4 gal.
Row 1 Headroom38.7 in38.5 in
Row 1 Shoulder Room58.6 in58.5 in
Row 1 Hip Room54.6 in55.1 in
Row 1 Legroom42.6 in42.4 in
Row 2 Headroom37.9 in37.2 in
Row 2 Shoulder Room57.4 in56.1 in
Row 2 Hip Room55.6 in54.0 in
Row 2 Legroom38.3 in36.3 in
Cargo Volume13.8 ft313.1 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
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 seats300Yes
Wood/leather-wrapped steering wheel0Yes
Sport suspension (upgrade)250No
Performance braking system (optional)250No
Limited-slip rear differential300Yes
Rear spoiler200No
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 net40Yes
Total Requested279047%
Total Not Requested317553%

Option Package Details
Cadillac STS V8

Preferred Equipment Group 1SG
FeatureValueRequested?
Adaptive shocks - electrical500No
Cooled or ventilated front seats300Yes
Sunroof900Yes
Adaptive cruise control450No
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 system200No
Blind spot warning system200No
Sport suspension (upgrade)250No
Performance braking system (optional)250No
Limited-slip rear differential300Yes
Rear spoiler200No
Additional engine cooling0No
Power steering cooler0No
Performance steering system (optional)250No
Navigation system600Yes
Surround sound250Yes
DVD-compatible player0Yes
Rear seat audio controls25No
Voice control for nav and audio100Yes
Bose, 300W, 15 speakers (with subwoofer)350No
Total Requested310046%
Total Not Requested367554%

Option Package Details
Acura RL

Technology Package
FeatureValueRequested?
Navigation system600Yes
Cooled or ventilated front seats300Yes
Steering-linked headlights150No
Wood/leather-wrapped steering wheel150Yes
Rearview camera200No
Voice control for nav and audio100Yes
Traffic + travel information25No
Total Requested115075%
Total Not Requested37525%

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