Cadillac STS Cadillac STS 2006 Mercedes-Benz SL Mercedes-Benz SL 2014

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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: $58,980

Cadillac STS V8   
Difference: $89,835

Lowest Total Invoice: $53,590

Cadillac STS V8   
Difference: $84,873

Calculate Payments

  Down Payment Interest Rate Term
Model Year200620142014
ModelSTSSLSL
TrimV8SL63 AMGSL65 AMG
Body4dr Sedan2dr Hardtop conv.2dr Hardtop conv.
Base Price $47,520 $147,300 $214,500
Base Invoice $43,956 $136,989 $199,485
Preferred Equipment Group 1SF 10,740    
Wood trim   0 0
Wood/leather-wrapped steering wheel   590 590
Preferred Equipment Group 1SF 8,914    
Wood trim   0 0
Wood/leather-wrapped steering wheel   549 549
Options (change) 10,740 590 590
Options (change) 8,914 549 549
Destination 720 925 925
Gas Tax 0 0 1,300
Total Price $58,980 $148,815 $217,315
Total Invoice $53,590 $138,463 $202,259

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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 V8
TrueDelta Adjusted Price Difference: $74,655
TrueDelta Adjusted Invoice Difference: $70,749
Model Year200620142014
ModelSTSSLSL
TrimV8SL63 AMGSL65 AMG
Body4dr Sedan2dr Hardtop conv.2dr Hardtop conv.
Engine320hp V8530hp V8621hp V12
TransmissionT5T7T7
DrivetrainRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG
Audio (watts, speakers)300, 15600, 14900, 12
Tire (rear if not all the same)235/50-17255/35-19255/35-19
Total Price$58,980$148,815$217,315
Adjustments for Features0-15,180-22,430
Feature-Adjusted Total Price$58,980$133,635$194,885
Cost Above Minimum$0$0$61,250
Total Invoice$53,590$138,463$202,259
Adjustments for Features0-14,124-20,876
Feature-Adjusted Total Invoice$53,590$124,339$181,383
Cost Above Minimum$0$0$57,044

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Features Comparison: Cadillac STS vs. Mercedes-Benz SL

Model Year200620142014
ModelSTSSLSL
TrimV8SL63 AMGSL65 AMG
Body4dr Sedan2dr Hardtop conv.2dr Hardtop conv.
Transmission and Drivetrain 
5-speed manually-shiftable automatic$1000  
7-speed manually-shiftable automatic $1200$1200
RWD$0$0$0
Accessories 
Adaptive cruise control, all-speed  $850
Cruise control$150$150 
Hands-free trunk or liftgate $100$100
Heated steering wheel$100  
Power door closers  $300
Power rear side windows$200  
Power trunk closer $350$350
Remote app $25$25
Remote start$150  
Remote window/roof operation $15$15
Semi-automated parking system $500$500
Wind blocker, power small $300$300
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats $0$0
Auto-raising roll bars / headrests $500$500
Automatic braking, high-speed or partial  $200
Automatic braking, low-speed  $200
Blind spot collision prevention  $150
Blind spot warning system  $200
Brake- or yaw-sensor-initiated collision preparation system $0 
Driver drowsiness monitor $150$150
Forward collision warning  $200
Knee airbag, driver $75$75
Knee airbag, passenger $75$75
Lane departure prevention  $150
Lane departure warning  $200
Night vision  $1750
Obstacle detection, front $150$150
Radar- or camera-based collision preparation system  $0
Rearview camera $200$200
Torque vectoring, brake-based $100$100
Cargo Management 
Air-conditioned storage compartment $50$50
Cargo net$40  
Rear seat pass-through$100  
Storage compartment under front seat(s) $50$50
Climate Control 
Adaptive windshield washer system $0$0
Heated windshield washer nozzles $15$15
Rear air vents with manual controls$150  
Residual heat $50$50
Wiper de-icer $25$25
Drivetrain 
Limited-slip rear differential$300 $300
Engine / Motor 
Automatic start / stop $150$150
Exterior 
Electronically-variable tint, sunroof or glass roof panel  $2000
Glass roof panel(s) $300$300
Laminated front side windows$200  
Power retractable hardtop $6750$6750
Sunroof$900  
Infotainment 
App support $0$0
Aux input $50$50
Bluetooth audio streaming $25$25
HD radio $50$50
In-vehicle Internet $150$150
iPod integration $100$100
Media drive $15$15
MP3-compatible player $50$50
Satellite radio $200$200
SMS text-to-speech reader $25$25
Telematics service, such as OnStar$200  
Telematics service, such as OnStar, with navigation $225$225
Traffic + travel information $25$25
Instruments, Lights, and Mirrors 
Chronometer $100$100
Cornering lights $50$50
Fog light, rear $100$100
Mirror tilt-down in reverse $25$25
Steering-linked headlights $150$150
Seats and Interior Trim 
Automatic seat bolsters, driver $300$300
Automatic seat bolsters, front passenger $300$300
Center armrest(s), second row$50  
Heated second row seats$200  
Illuminated door sill trim plates $200$200
Leather headliner  $1000
Massage, driver seat $100$100
Massage, passenger seat $100$100
Memory system, passenger seat $150$150
Neck-level heating, front seats $150$150
Power headrest height adjuster, driver seat $50$50
Power headrest height adjuster, passenger seat $50$50
Power thigh support length adjuster, driver seat $100$100
Power thigh support length adjuster, passenger seat $100$100
Upholstered instrument panel, leather $1000$1000
Suspension, Wheels, and Tires 
Adaptive dampers - electrical$500  
Adaptive hydraulic struts, auto-leveling and ht. adjustable $4000$4000
Alloy wheels $350$350
Auto-leveling rear shocks$200  
Electronic systems calibration selector $200$200
Polished alloy wheels$350  
Transmission 
Launch control $100 
Steering-wheel-mounted transmission controls $100$100
Total Value of Features$4,790$19,970$27,220
Value of Feature Adjustments$0$15,180$22,430
Value of Feature Adjustments0-14,124-20,876

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Specifications Comparison: Cadillac STS vs. Mercedes-Benz SL

Model Year20062014
ModelSTSSL
Body4dr Sedan2dr Hardtop conv.
Wheelbase116.4 in101.8 in
Length196.3 in181.8 in
Width72.6 in73.9 in
Height57.6 in51.8 in
Curb Weight3,961 lb.4,002 lb.
Fuel Capacity17.0 gal.19.8 gal.
Row 1 Headroom38.7 in39.1 in
Row 1 Shoulder Room58.6 in55.5 in
Row 1 Hip Room54.6 in0.0 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 ft38.5 ft3
Cargo Volume,
Maximum
13.813.5 ft3

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Option Package Details
Cadillac STS V8

Preferred Equipment Group 1SF
FeatureValueRequested?
Sport suspension (upgrade)250Yes
Adaptive shocks - electrical500Yes
Cooled or ventilated front seats300Yes
Sunroof900No
Limited-slip rear differential300Yes
Rain-sensing wipers100Yes
Xenon HID headlights500Yes
Rear spoiler200Yes
Wood/leather-wrapped steering wheel0Yes
Bluetooth cell phone link100Yes
Headlight washers50Yes
235/50VR17 tires200No
255/45VR17 tires200No
Auto-dimming headlights200Yes
Voice control for nav and audio100Yes
Rear air vents with manual controls50No
Navigation system600Yes
Heated second row seats200No
Universal garage door opener100Yes
Heated steering wheel100No
Interior air filter0Yes
Cargo net40No
Surround sound250Yes
DVD-compatible player0Yes
Bose, 300W, 15 speakers (with subwoofer)350No
Wood trim300Yes
Heated front seats200Yes
CD changer, in-dash200Yes
Power 4-way lumbar adjuster, driver seat150Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Memory system, driver seat200Yes
Polished alloy wheels0No
Total Requested475070%
Total Not Requested204030%

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