Cadillac STS Cadillac STS 2007 Mercedes-Benz SLK Mercedes-Benz SLK 2015

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Cadillac STS vs. Mercedes-Benz SLK 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 SLK Invoice Comparison

Lowest Total Price: $76,655

Cadillac STS STS-V   
Difference: $600

Lowest Total Invoice: $70,483

Cadillac STS STS-V   
Difference: $1,430

Calculate Payments

  Down Payment Interest Rate Term
Model Year20072015
ModelSTSSLK
TrimSTS-VSLK55 AMG
Body4dr Sedan2dr Hardtop conv.
Base Price $73,810 $70,900
Base Invoice $67,638 $65,937
Multimedia Package   2,330
Automatic climate control, front   760
Metallic paint (extra cost)   720
Proximity key   650
Obstacle detection, rear   970
Multimedia Package   2,167
Automatic climate control, front   707
Metallic paint (extra cost)   670
Proximity key   605
Obstacle detection, rear   902
Options (change) 0 5,430
Options (change) 0 5,051
Destination 745 925
Gas Tax 2,100 0
Total Price $76,655 $77,255
Total Invoice $70,483 $71,913

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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 Mercedes-Benz SLK 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 SLK

Lowest Adjusted Price and Invoice: Mercedes-Benz SLK SLK55 AMG
TrueDelta Adjusted Price Difference: $5,960
TrueDelta Adjusted Invoice Difference: $4,676
Model Year20072015
ModelSTSSLK
TrimSTS-VSLK55 AMG
Body4dr Sedan2dr Hardtop conv.
Engine469hp V8415hp V8
TransmissionT6T7
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)14/20 MPG19/28 MPG
Audio (watts, speakers)300, 15500, 11
Tire (rear if not all the same)255/45-18235/40-18
Total Price$76,655$77,255
Adjustments for Features0-6,560
Feature-Adjusted Total Price$76,655$70,695
Total Invoice$70,483$71,913
Adjustments for Features0-6,106
Feature-Adjusted Total Invoice$70,483$65,807

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Features Comparison: Cadillac STS vs. Mercedes-Benz SLK

Model Year20072015
ModelSTSSLK
TrimSTS-VSLK55 AMG
Body4dr Sedan2dr Hardtop conv.
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100 
7-speed manually-shiftable automatic $1200
RWD$0$0
Accessories 
Heated steering wheel$100 
Parking guidance system - passive $250
Power rear side windows$200 
Remote app $25
Remote start$150 
Remote window/roof operation $15
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats $0
Driver drowsiness monitor $150
Knee airbag, driver $75
Knee airbag, passenger $75
Obstacle detection, front $150
Roll bar $200
Tires, run-flat$150 
Torque vectoring, brake-based $100
Cargo Management 
Cargo net$40 
Rear seat pass-through$100 
Climate Control 
Rear air vents with manual controls$150 
Residual heat $50
Drivetrain 
Limited-slip rear differential$300 
Engine / Motor 
Automatic start / stop $150
Dual-mode exhaust, switchable $500
Exterior 
Body kit $0
Glass roof panel(s) $300
Laminated front side windows$200 
Power retractable hardtop $6750
Infotainment 
App support $0
Aux input $50
Bluetooth audio streaming $25
CD changer, in-dash$325 
CD player $125
HD radio $50
In-vehicle Internet $150
Media drive $15
MP3-compatible player $50
Navigation map updates, three years $0
Rear seat audio controls$25 
SMS text-to-speech reader $25
Traffic + travel information $25
Instruments, Lights, and Mirrors 
Analog clock $25
Compass $0
Fog light, rear $100
Fog lights$125 
Illuminated visor mirror, driver$50 
Illuminated visor mirror, passenger$50 
Mirror tilt-down in reverse $25
Power-folding mirrors $50
Steering-linked headlights $150
Visor mirror, driver $10
Visor mirror, passenger $10
Seats and Interior Trim 
Aluminum trim $100
Center armrest(s), second row$50 
Heated second row seats$200 
Memory system, passenger seat $150
Neck-level heating, front seats $150
Upholstered instrument panel, leather$1000 
Wood trim$300 
Suspension, Wheels, and Tires 
Auto-leveling rear shocks$200 
Performance steering system (optional)$0 
Transmission 
Steering-wheel-mounted transmission controls $100
Total Value of Features$4,815$11,375
Value of Feature Adjustments$0$6,560
Value of Feature Adjustments0-6,106

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Specifications Comparison: Cadillac STS vs. Mercedes-Benz SLK

Model Year20072015
ModelSTSSLK
Body4dr Sedan2dr Hardtop conv.
Wheelbase116.4 in95.7 in
Length196.3 in162.8 in
Width72.6 in71.5 in
Height57.6 in51.2 in
Curb Weight4,233 lb.3,583 lb.
Fuel Capacity17.0 gal.15.9 gal.
Row 1 Headroom38.7 in38.0 in
Row 1 Shoulder Room58.6 in52.2 in
Row 1 Hip Room54.6 in0.0 in
Row 1 Legroom42.6 in42.5 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 ft36.4 ft3
Cargo Volume,
Maximum
13.810.1 ft3

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Option Package Details
Mercedes-Benz SLK SLK55 AMG

Automatic climate control, front
FeatureValueRequested?
Automatic climate control, front200Yes
Dual-zone climate control125Yes
Total Requested325100%
Total Not Requested00%
Obstacle detection, rear
FeatureValueRequested?
Obstacle detection, rear250Yes
Obstacle detection, front150No
Parking guidance system - passive250No
Total Requested25038%
Total Not Requested40062%
Multimedia Package
FeatureValueRequested?
DVD-compatible player0Yes
Media drive15No
Traffic + travel information25No
SD Card slot25No
In-vehicle Internet150No
App support0No
Navigation map updates, three years0No
Navigation system600Yes
Voice control for nav and audio100Yes
Total Requested70077%
Total Not Requested21523%

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