Cadillac STS Cadillac STS 2007 Mercedes-Benz SL Mercedes-Benz SL 2009
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Cadillac STS vs. Mercedes-Benz SL 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. Mercedes-Benz SL Invoice Comparison

Lowest Total Price: $76,655

Cadillac STS STS-V   
Difference: $65,920

Lowest Total Invoice: $70,483

Cadillac STS STS-V   
Difference: $62,355

Calculate Payments

  Down Payment Interest Rate Term
Model Year20072009
ModelSTSSL
TrimSTS-VSL600
Body4dr Sedan2dr Hardtop conv.
Base Price $73,810 $139,100
Base Invoice $67,638 $129,363
Options (change) 0 0
Options (change) 0 0
Destination 745 875
Gas Tax 2,100 2,600
Total Price $76,655 $142,575
Total Invoice $70,483 $132,838

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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

Want to find out how much dealers are willing to discount these cars?

Request free, no-obligation Cadillac STS dealer quotes or Mercedes-Benz SL 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. Mercedes-Benz SL

Lowest Adjusted Price and Invoice: Cadillac STS STS-V
TrueDelta Adjusted Price Difference: $54,405
TrueDelta Adjusted Invoice Difference: $51,626
Model Year20072009
ModelSTSSL
TrimSTS-VSL600
Body4dr Sedan2dr Hardtop conv.
Engine469hp V8510hp V12
TransmissionT6T5
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)14/20 MPG11/18 MPG
Audio (watts, speakers)300, 15510, 10
Tire (rear if not all the same)255/45-18255/40-18
Total Price$76,655$142,575
Adjustments for Features0-11,515
Feature-Adjusted Total Price$76,655$131,060
Total Invoice$70,483$132,838
Adjustments for Features0-10,729
Feature-Adjusted Total Invoice$70,483$122,109

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Features Comparison: Cadillac STS vs. Mercedes-Benz SL

Model Year20072009
ModelSTSSL
TrimSTS-VSL600
Body4dr Sedan2dr Hardtop conv.
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100 
5-speed manually-shiftable automatic $1000
RWD$0$0
Accessories 
Heated steering wheel$100 
Power rear side windows$200 
Power trunk closer $350
Remote start$150 
Remote window/roof operation $15
Wind blocker, small $100
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats $0
Auto-raising roll bars / headrests $500
Knee airbag, driver $75
Obstacle detection, front $150
Side curtain airbags$350 
Tires, run-flat$150 
Cargo Management 
Air-conditioned storage compartment $50
Cargo net$40 
Rear seat pass-through$100 
Storage compartment under front seat(s) $50
Climate Control 
Rear air vents with manual controls$150 
Residual heat $50
Wiper de-icer $25
Drivetrain 
Limited-slip rear differential$300 
Exterior 
Glass roof panel(s) $300
Laminated front side windows$200 
Power retractable hardtop $6750
Rear spoiler$200 
Infotainment 
Aux input $50
iPod integration $100
Media drive $15
MP3-compatible player $50
Rear seat audio controls$25 
Telematics service, such as OnStar $200
Telematics service, such as OnStar, with navigation$225 
Instruments, Lights, and Mirrors 
Auto-dimming headlights$200 
Cornering lights $50
Fog light, rear $100
Mirror tilt-down in reverse $25
Steering-linked headlights $150
Seats and Interior Trim 
Center armrest(s), second row$50 
Cooled or ventilated front seats $300
Heated second row seats$200 
Leather-wrapped steering wheel$150 
Massage, driver seat $100
Massage, passenger seat $100
Memory system, passenger seat $150
Neck-level heating, front seats $150
Power headrest height adjuster, driver seat $50
Power headrest height adjuster, passenger seat $50
Power seatback bolsters, driver seat $100
Power seatback bolsters, passenger seat $100
Power thigh support length adjuster, driver seat $100
Power thigh support length adjuster, passenger seat $100
Synthetic suede inserts in leather seating surfaces$0 
Wood/leather-wrapped steering wheel $150
Suspension, Wheels, and Tires 
Adaptive hydraulic struts, auto-leveling and ht. adjustable $4000
Auto-leveling rear shocks$200 
Performance steering system (optional)$0 
Sport suspension (upgrade)$0 
Total Value of Features$4,090$15,605
Value of Feature Adjustments$0$11,515
Value of Feature Adjustments0-10,729

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See a complete comparison of Cadillac STS vs. Mercedes-Benz SL features.

Specifications Comparison: Cadillac STS vs. Mercedes-Benz SL

Model Year20072009
ModelSTSSL
Body4dr Sedan2dr Hardtop conv.
Wheelbase116.4 in100.8 in
Length196.3 in180.4 in
Width72.6 in71.5 in
Height57.6 in51.1 in
Curb Weight4,233 lb.4,455 lb.
Fuel Capacity17.0 gal.21.1 gal.
Row 1 Headroom38.7 in37.7 in
Row 1 Shoulder Room58.6 in54.0 in
Row 1 Hip Room54.6 in53.9 in
Row 1 Legroom42.6 in42.9 in
Row 2 Headroom37.9 in0.0 in
Row 2 Shoulder Room57.4 in0.0 in
Row 2 Hip Room55.6 in0.0 in
Row 2 Legroom38.3 in0.0 in
Cargo Volume,
Minimum		13.8 ft37.2 ft3
Cargo Volume,
Maximum		13.810.2 ft3

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See a complete comparison of Cadillac STS vs. Mercedes-Benz SL specs.

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