Buick Rainier Buick Rainier 2006 Cadillac STS Cadillac STS 2006

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Buick Rainier 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.

Buick Rainier vs. Cadillac STS Invoice Comparison

Lowest Total Price: $35,020

Buick Rainier CXL   
Difference: $10,815

Lowest Total Invoice: $32,387

Buick Rainier CXL   
Difference: $9,676

Calculate Payments

  Down Payment Interest Rate Term
Model Year2006200620062006
ModelRainierSTSSTSSTS
TrimCXLV6V8STS-V
Body4dr SUV4dr Sedan4dr Sedan4dr Sedan
Base Price $30,580 $41,020 $47,520 $73,070
Base Invoice $28,592 $37,944 $43,956 $67,704
Luxury Package 225      
Side curtain airbags 495      
Engine-block heater 50 100 100 100
Polished alloy wheels 495      
Navigation system 1,600      
Sun, Sound, and Entertainment Pkg. w/sunroof 865      
Preferred Equipment Group 1SB   2,640    
Universal garage door opener   155    
Sunroof   1,200 1,200 1,200
Preferred Equipment Group 1SE     4,445  
Luxury Package 187      
Side curtain airbags 411      
Engine-block heater 42 83 83 83
Polished alloy wheels 411      
Navigation system 1,316      
Sun, Sound, and Entertainment Pkg. w/sunroof 718      
Preferred Equipment Group 1SB   2,191    
Universal garage door opener   129    
Sunroof   996 996 996
Preferred Equipment Group 1SE     3,689  
Options (change) 3,730 4,095 5,745 1,300
Options (change) 3,085 3,399 4,768 1,079
Destination 710 720 720 720
Gas Tax 0 0 0 2,100
Total Price $35,020 $45,835 $53,985 $77,190
Total Invoice $32,387 $42,063 $49,444 $71,603

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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 Buick Rainier dealer quotes or Cadillac STS dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Buick Rainier vs. Cadillac STS

Lowest Adjusted Price and Invoice: Buick Rainier CXL
TrueDelta Adjusted Price Difference: $11,850
TrueDelta Adjusted Invoice Difference: $10,633
Model Year2006200620062006
ModelRainierSTSSTSSTS
TrimCXLV6V8STS-V
Body4dr SUV4dr Sedan4dr Sedan4dr Sedan
Engine291hp I6254hp V6320hp V8469hp V8
TransmissionA4T5T5T6
DrivetrainRWDRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)275, 6?, 8300, 15300, 15
Tire (rear if not all the same)245/65-17235/50-17235/50-17255/45-18
Total Price$35,020$45,835$53,985$77,190
Adjustments for Features-1,0350-1,440-3,955
Feature-Adjusted Total Price$33,985$45,835$52,545$73,235
Cost Above Minimum$0$0$6,710$27,400
Total Invoice$32,387$42,063$49,444$71,603
Adjustments for Features-9570-1,319-3,669
Feature-Adjusted Total Invoice$31,430$42,063$48,125$67,934
Cost Above Minimum$0$0$6,062$25,871

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Features Comparison: Buick Rainier vs. Cadillac STS

Model Year2006200620062006
ModelRainierSTSSTSSTS
TrimCXLV6V8STS-V
Body4dr SUV4dr Sedan4dr Sedan4dr Sedan
Transmission and Drivetrain 
4-speed automatic$800   
5-speed manually-shiftable automatic $1000$1000 
6-speed manually-shiftable automatic   $1100
RWD$0$0$0$0
Accessories 
Air compressor$35   
Heated steering wheel  $100$100
Proximity key $250$250$250
Remote start $150$150$150
Tilt steering wheel, manual$150   
Tilt/telescoping steering wheel, power $350$350$350
Brakes, Airbags, and Other Safety 
Brake assist $50$50$50
Front side airbags $350$350$350
Obstacle detection, rear $250$250$250
Rollover sensor$50   
Tire-pressure monitor $75$75$75
Tires, run-flat   $150
Cargo Management 
Cargo net  $40$40
Class III trailer hitch$250   
Rear seat pass-through $100$100$100
Roof rails$250   
Trailering equipment (7 wire)$150   
Climate Control 
Heated windshield washer nozzles   $15
Rear air vents $100  
Rear air vents with manual controls$150 $150$150
Rear wiper$175   
Drivetrain 
Limited-slip rear differential$300  $300
Exterior 
Bodyside cladding$350   
Bright-finished exhaust tip(s) $25$25$25
Deep-tinted rear windows$275   
Rear spoiler   $200
Running boards$350   
Infotainment 
Bluetooth cell phone link  $100$100
CD changer, in-dash $325$325$325
CD player$125   
DVD-compatible player  $0$0
Navigation system$600 $600$600
Rear seat audio controls$25   
Satellite radio$200   
Surround sound  $250$250
Voice control for nav and audio  $100$100
Instruments, Lights, and Mirrors 
Auto-dimming driver-side mirror $75$75$75
Auto-dimming headlights   $200
Auto-dimming rearview mirror $150$150$150
Compass$0$0  
Cornering lights$50   
Headlight washers   $50
Xenon HID headlights   $500
Seats and Interior Trim 
Center armrest(s), second row $50$50$50
Folding second row seats$300   
Heated second row seats  $200$200
Leather-wrapped steering wheel $150$150$150
Power 4-way lumbar adjuster, driver seat $150$150$150
Power 4-way lumbar adjuster, passenger seat $150$150$150
Power lumbar adjuster, driver seat$100   
Power lumbar adjuster, passenger seat$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   
Suspension, Wheels, and Tires 
Auto-leveling rear shocks $200$200$200
Performance steering system (optional)   $0
Rear air springs, auto-leveling$350   
Sport suspension (upgrade)   $0
Total Value of Features$5,285$4,250$5,690$8,205
Value of Feature Adjustments$1,035$0$1,440$3,955
Value of Feature Adjustments-9570-1,319-3,669

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Specifications Comparison: Buick Rainier vs. Cadillac STS

Model Year20062006
ModelRainierSTS
Body4dr SUV4dr Sedan
Wheelbase113.0 in116.4 in
Length193.4 in196.3 in
Width75.4 in72.6 in
Height74.5 in57.6 in
Curb Weight4,418 lb.3,961 lb.
Fuel Capacity22.0 gal.17.0 gal.
Row 1 Headroom40.2 in38.7 in
Row 1 Shoulder Room58.5 in58.6 in
Row 1 Hip Room55.5 in54.6 in
Row 1 Legroom43.1 in42.6 in
Row 2 Headroom39.6 in37.9 in
Row 2 Shoulder Room58.5 in57.4 in
Row 2 Hip Room58.1 in55.6 in
Row 2 Legroom37.1 in38.3 in
Cargo Volume,
Minimum
43.7 ft313.8 ft3
Cargo Volume,
Maximum
80.1 ft313.8 ft3

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Option Package Details
Buick Rainier CXL

Luxury Package
FeatureValueRequested?
Heated front seats200Yes
Running boards350No
Total Requested20036%
Total Not Requested35064%
Sun, Sound, and Entertainment Pkg. w/sunroof
FeatureValueRequested?
Sunroof900Yes
CD changer, in-dash200No
Satellite radio200No
Bose, 275W, 6 speakers350No
Total Requested90055%
Total Not Requested75045%

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 wipers100Yes
Memory system, driver seat200Yes
Interior air filter0Yes
Polished alloy wheels0Yes
Total Requested50038%
Total Not Requested80062%

Option Package Details
Cadillac STS V8

Preferred Equipment Group 1SE
FeatureValueRequested?
Navigation system600Yes
Heated second row seats200No
Universal garage door opener100Yes
Bluetooth cell phone link100No
Heated steering wheel100No
Interior air filter0Yes
Cargo net40No
Surround sound250No
DVD-compatible player0No
Bose, 300W, 15 speakers (with subwoofer)350No
Voice control for nav and audio100No
Rear air vents with manual controls50Yes
CD changer, in-dash200No
Power 4-way lumbar adjuster, driver seat150No
Power 4-way lumbar adjuster, passenger seat150No
Rain-sensing wipers100Yes
Memory system, driver seat200Yes
Polished alloy wheels0Yes
Wood trim300No
Heated front seats200Yes
Total Requested125039%
Total Not Requested194061%

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