Cadillac STS Cadillac STS 2011 Mercury Mariner Mercury Mariner 2011

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Cadillac STS vs. Mercury Mariner 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. Mercury Mariner Invoice Comparison

Lowest Total Price: $30,950

Mercury Mariner Premier   
Difference: $24,590

Lowest Total Invoice: $28,718

Mercury Mariner Premier   
Difference: $23,565

Calculate Payments

  Down Payment Interest Rate Term
Model Year20112011
ModelSTSMariner
TrimLuxuryPremier
Body4dr Sedan4dr SUV
Base Price $50,820 $25,635
Base Invoice $48,024 $23,928
Temporary spare tire 350  
Sunroof 1,200  
AWD 1,900 1,750
Performance braking system (optional) 395  
Moon and Tune Elite Package   895
Amenities Package   600
Remote start   345
3.0L V6   1,000
Temporary spare tire 308  
Sunroof 1,056  
AWD 1,672 1,592
Performance braking system (optional) 348  
Moon and Tune Elite Package   761
Amenities Package   509
Remote start   293
3.0L V6   910
Options (change) 3,845 4,590
Options (change) 3,384 4,065
Destination 875 725
Total Price $55,540 $30,950
Total Invoice $52,283 $28,718

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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 Mercury Mariner 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. Mercury Mariner

Lowest Adjusted Price and Invoice: Mercury Mariner Premier
TrueDelta Adjusted Price Difference: $22,670
TrueDelta Adjusted Invoice Difference: $21,758
Model Year20112011
ModelSTSMariner
TrimLuxuryPremier
Body4dr Sedan4dr SUV
Engine302hp V6240hp V6
TransmissionT6A6
DrivetrainAWDAWD
EPA Fuel Economy (city/highway)17/26 MPG18/23 MPG
Audio (watts, speakers)?, 8320, 7
Tire (rear if not all the same)235/50-17235/70-16
Total Price$55,540$30,950
Adjustments for Features-1,9200
Feature-Adjusted Total Price$53,620$30,950
Total Invoice$52,283$28,718
Adjustments for Features-1,8070
Feature-Adjusted Total Invoice$50,476$28,718

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Features Comparison: Cadillac STS vs. Mercury Mariner

Model Year20112011
ModelSTSMariner
TrimLuxuryPremier
Body4dr Sedan4dr SUV
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100 
6-speed automatic $1000
AWD$1700$1700
Accessories 
Heated steering wheel$100 
Keyless entry keypad $50
Proximity key$250 
Tilt steering wheel, manual $150
Tilt/telescoping steering wheel, power$350 
Brakes, Airbags, and Other Safety 
4-wheel disc brakes$150 
911 assist $25
Rollover sensor $50
Safety key $5
Vehicle health reports $0
Cargo Management 
Cargo cover $75
Cargo net$40 
Liftglass or two-piece tailgate $150
Overhead sunglass holder $25
Rear seat pass-through$100 
Roof rack $300
Climate Control 
Automatic air recirculation$100 
Interior air filter$0 
Rear air vents with manual controls$150 
Rear wiper $175
Exterior 
Deep-tinted rear windows $275
Laminated front side windows$200 
Rear bumper protector $40
Infotainment 
Aux input $50
Bluetooth audio streaming $25
CD changer, in-dash$325 
CD player $125
DVD-Audio-compatible player$0 
MP3-compatible player $50
Navigation, turn-by-turn $25
Telematics service, such as OnStar, with navigation$225 
Traffic + travel information $25
USB port $25
Voice control for audio system $25
Voice control for external devices $0
Instruments, Lights, and Mirrors 
Auto-dimming driver-side mirror$75 
Interior ambient lighting $150
Spotter mirror(s) $50
Turn signals on or near mirrors$25 
Seats and Interior Trim 
Center armrest(s), second row$50 
Cooled or ventilated front seats$300 
Door sill trim plates$100 
Folding second row seats $300
Heated second row seats$200 
Leather-wrapped steering wheel $150
Manual lumbar adjuster, driver seat $50
Memory system, driver seat$200 
Power 4-way lumbar adjuster, driver seat$150 
Power 4-way lumbar adjuster, passenger seat$150 
Power fore-aft adjuster, passenger seat$100 
Power height adjuster, passenger seat$100 
Power recliner, driver seat$100 
Power recliner, passenger seat$100 
Power tilt adjuster, passenger seat$100 
Synthetic suede inserts in leather seating surfaces $0
Wood trim$300 
Wood/leather-wrapped steering wheel$150 
Suspension, Wheels, and Tires 
Machined alloy wheels $350
Polished alloy wheels$350 
Total Value of Features$7,340$5,420
Value of Feature Adjustments$1,920$0
Value of Feature Adjustments-1,8070

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Specifications Comparison: Cadillac STS vs. Mercury Mariner

Model Year20112011
ModelSTSMariner
Body4dr Sedan4dr SUV
Wheelbase116.4 in103.1 in
Length196.7 in175.2 in
Width72.6 in71.1 in
Height57.6 in67.7 in
Curb Weight4,125 lb.3,549 lb.
Fuel Capacity17.0 gal.16.5 gal.
Row 1 Headroom38.7 in40.4 in
Row 1 Shoulder Room58.6 in56.6 in
Row 1 Hip Room54.6 in53.4 in
Row 1 Legroom42.6 in41.6 in
Row 2 Headroom37.9 in39.2 in
Row 2 Shoulder Room57.4 in55.9 in
Row 2 Hip Room55.6 in49.1 in
Row 2 Legroom38.3 in35.6 in
Cargo Volume,
Minimum
13.8 ft329.2 ft3
Cargo Volume,
Maximum
13.866.3 ft3

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Option Package Details
Mercury Mariner Premier

Moon and Tune Elite Package
FeatureValueRequested?
Sunroof900Yes
Unbranded, 320W, 7 speakers (with subwoofer)350No
Total Requested90072%
Total Not Requested35028%
Amenities Package
FeatureValueRequested?
Automatic climate control, front200Yes
Universal garage door opener100Yes
Obstacle detection, rear250Yes
Dual-zone climate control125Yes
Total Requested675100%
Total Not Requested00%

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