Cadillac CT6 Cadillac CT6 2016 Mercedes-Benz SL Mercedes-Benz SL 2008

We are 103,000+ car owners sharing real-world car information.

Join Us

Cadillac CT6 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 CT6 vs. Mercedes-Benz SL Invoice Comparison

Lowest Total Price: $84,955

Cadillac CT6 Platinum   
Difference: $20,050

Lowest Total Invoice: $79,471

Cadillac CT6 Platinum   
Difference: $18,336

Calculate Payments

  Down Payment Interest Rate Term
Model Year20162008200820082008
ModelCT6SLSLSLSL
TrimPlatinumSL550SL600SL55 AMGSL65 AMG
Body4dr Sedan2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Base Price $83,465 $95,300 $133,200 $129,300 $187,200
Base Invoice $78,040 $88,629 $123,876 $120,249 $174,096
Metallic paint (extra cost) 495        
Premium I Package   3,170   2,500  
Obstacle detection, rear   1,130 1,130 1,130 1,130
Voice control for nav and audio   510 510 510 510
Power trunk closer   520   520  
Adaptive cruise control   2,200 2,200 2,200 2,200
Wood trim       0 0
Metallic paint (extra cost) 436        
Premium I Package   2,948   2,325  
Obstacle detection, rear   1,051 1,051 1,051 1,051
Voice control for nav and audio   474 474 474 474
Power trunk closer   484   484  
Adaptive cruise control   2,046 2,046 2,046 2,046
Wood trim       0 0
Options (change) 495 7,530 3,840 6,860 3,840
Options (change) 436 7,003 3,571 6,380 3,571
Destination 995 875 875 875 875
Gas Tax 0 1,300 2,600 2,600 2,600
Total Price $84,955 $105,005 $140,515 $139,635 $194,515
Total Invoice $79,471 $97,807 $130,922 $130,104 $181,142

Return to top

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 CT6 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 CT6 vs. Mercedes-Benz SL

Lowest Adjusted Price and Invoice: Cadillac CT6 Platinum
TrueDelta Adjusted Price Difference: $25,245
TrueDelta Adjusted Invoice Difference: $23,196
Model Year20162008200820082008
ModelCT6SLSLSLSL
TrimPlatinumSL550SL600SL55 AMGSL65 AMG
Body4dr Sedan2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Engine335hp V6382hp V8510hp V12510hp V8604hp V12
TransmissionT8T7T5T5T5
DrivetrainAWDRWDRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)?, 34250, 8250, 8250, 8250, 8
Tire (rear if not all the same)245/40-20255/40-18255/40-18255/35-19255/35-19
Total Price$84,955$105,005$140,515$139,635$194,515
Adjustments for Features-5,1950-450-550-550
Feature-Adjusted Total Price$79,760$105,005$140,065$139,085$193,965
Cost Above Minimum$0$0$35,060$34,080$88,960
Total Invoice$79,471$97,807$130,922$130,104$181,142
Adjustments for Features-4,8600-419-512-512
Feature-Adjusted Total Invoice$74,611$97,807$130,503$129,592$180,630
Cost Above Minimum$0$0$32,696$31,785$82,823

Return to top

Features Comparison: Cadillac CT6 vs. Mercedes-Benz SL

Model Year20162008200820082008
ModelCT6SLSLSLSL
TrimPlatinumSL550SL600SL55 AMGSL65 AMG
Body4dr Sedan2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Transmission and Drivetrain 
8-speed manually-shiftable automatic$1300    
7-speed manually-shiftable automatic $1200   
5-speed manually-shiftable automatic  $1000$1000$1000
AWD$1700    
RWD $0$0$0$0
Accessories 
AC power outlet$100    
Active noise reduction$0    
Adaptive cruise control $600$600$600$600
Adaptive cruise control, all-speed$850    
Electronic engine sound enhancement$0    
Hands-free trunk or liftgate$100    
Heated steering wheel$100    
Power rear side windows$200    
Remote app$25    
Remote start$150    
Remote window/roof operation $15$15$15$15
Semi-automated parking system$500    
Sunshades, second row$125    
Wind blocker, small $100$100$100$100
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats $0$0$0$0
Around view cameras$500    
Auto-raising roll bars / headrests $500$500$500$500
Automatic braking, high-speed or partial$200    
Automatic braking, low-speed$200    
Backup collision intervention$150    
Blind spot warning system$200    
Cross-traffic warning, rear$100    
Following distance indicator$25    
Forward collision warning$200    
Knee airbag, passenger$75    
Lane departure warning$200    
Lane keeping assist$400    
Night vision$1750    
Pedestrian detection$50    
Radar- or camera-based collision preparation system$0    
Side curtain airbags$350    
Surround view video recorder$50    
Vehicle health reports$0    
Cargo Management 
Air-conditioned storage compartment $50$50$50$50
Rear seat pass-through$100    
Storage compartment under front seat(s) $50$50$50$50
Climate Control 
Automatic air recirculation $100$100$100$100
Heated windshield washer nozzles $15$15$15$15
Ionizing air filtration$50    
Rear air vents with automatic controls$250    
Rear dual-zone climate control$125    
Residual heat $50$50$50$50
Wiper de-icer $25$25$25$25
Engine / Motor 
Automatic start / stop$150    
Exterior 
Active grille shutters$0    
Body kit   $0$0
Laminated front side windows$200    
Panoramic sunroof$1200    
Power retractable hardtop $6750$6750$6750$6750
Infotainment 
4G LTE connectivity$0    
Android Auto support$100    
App support$0    
Apple CarPlay support$100    
Aux input$50    
Bluetooth audio streaming$25    
CD changer, remote $200$200$200$200
CD player $125$125$125$125
Entertainment system with dual headrest screens$1200    
HD radio$50    
HDMI port$25    
MP3-compatible player $50$50$50$50
SMS text-to-speech reader$25    
Telematics service, such as OnStar $200$200$200$200
Telematics service, such as OnStar, with navigation$225    
Traffic information$25    
USB port$25    
Voice control for external devices$0    
Wi-Fi hotspot$50    
Wireless charging station$75    
Instruments, Lights, and Mirrors 
Approach detection$25    
Auto-dimming headlights$200    
Fog light, rear $100$100$100$100
Fog lights $125$125$125$125
Head-up display (HUD)$350    
Headlight washers $50$50$50$50
Large color reconfigurable instrument cluster display$250    
LED headlights$1000    
Mirror tilt-down in reverse $25$25$25$25
Power-folding mirrors$50    
Rear camera mirror$200    
Xenon HID headlights $500$500$500$500
Seats and Interior Trim 
Center armrest(s), second row$50    
Cooled or ventilated second row seats$200    
Coordinated climate control, front seats$0    
Door sill trim plates $100$100$100$100
Heated second row seats$200    
Illuminated door sill trim plates$200    
Leather-wrapped steering wheel$150$150   
Massage, driver seat$100    
Massage, passenger seat$100    
Massage, second row seats$150    
Metal pedals $75$75$75$75
No leather in second row $-300$-300$-300$-300
Power 4-way lumbar adjuster, second row seats$225    
Power headrest height adjuster, driver seat $50$50$50$50
Power headrest height adjuster, passenger seat $50$50$50$50
Power recliner, second row seats$150    
Power seatback bolsters, driver seat $100$100$100$100
Power seatback bolsters, passenger seat $100$100$100$100
Power tilt adjuster, second row seats$150    
Power upper seatback recliner, driver seat$100    
Power upper seatback recliner, passenger seat$100    
Synthetic suede headliner$650 $650$650$650
Synthetic suede steering wheel   $150$150
Wood/leather-wrapped steering wheel  $150  
Suspension, Wheels, and Tires 
Adaptive dampers - electrical$500    
Adaptive hydraulic struts, auto-leveling and ht. adjustable $4000$4000$4000$4000
Rear wheel steering$1500    
Sport suspension (upgrade)   $0$0
Transmission 
Steering-wheel-mounted transmission controls$100  $100$100
Total Value of Features$20,350$15,155$15,605$15,705$15,705
Value of Feature Adjustments$5,195$0$450$550$550
Value of Feature Adjustments-4,8600-419-512-512

Return to top

Specifications Comparison: Cadillac CT6 vs. Mercedes-Benz SL

Model Year20162008
ModelCT6SL
Body4dr Sedan2dr Hardtop conv.
Wheelbase122.4 in100.8 in
Length204.0 in178.5 in
Width74.0 in71.5 in
Height57.9 in51.0 in
Curb Weight3,648 lb.4,221 lb.
Fuel Capacity19.5 gal.21.1 gal.
Row 1 Headroom40.1 in37.7 in
Row 1 Shoulder Room58.3 in54.0 in
Row 1 Hip Room55.8 in53.9 in
Row 1 Legroom42.3 in42.9 in
Row 2 Headroom38.0 in0.0 in
Row 2 Shoulder Room56.1 in0.0 in
Row 2 Hip Room53.4 in0.0 in
Row 2 Legroom40.4 in0.0 in
Cargo Volume,
Minimum
15.3 ft37.3 ft3
Cargo Volume,
Maximum
15.310.2 ft3

Return to top

Option Package Details
Mercedes-Benz SL SL550

Obstacle detection, rear
FeatureValueRequested?
Obstacle detection, rear250Yes
Obstacle detection, front150Yes
Total Requested400100%
Total Not Requested00%
Premium I Package
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Cornering lights50Yes
Proximity key250Yes
Power 4-way lumbar adjuster, driver seat50Yes
Power seatback bolsters, driver100No
Power 4-way lumbar adjuster, passenger seat50Yes
Power seatback bolsters, passenger seat100No
Front sport buckets100No
Total Requested70070%
Total Not Requested30030%

Option Package Details
Mercedes-Benz SL SL600

Obstacle detection, rear
FeatureValueRequested?
Obstacle detection, rear250Yes
Obstacle detection, front150Yes
Total Requested400100%
Total Not Requested00%

Option Package Details
Mercedes-Benz SL SL55 AMG

Obstacle detection, rear
FeatureValueRequested?
Obstacle detection, rear250Yes
Obstacle detection, front150Yes
Total Requested400100%
Total Not Requested00%
Premium I Package
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Cornering lights50Yes
Proximity key250Yes
Total Requested600100%
Total Not Requested00%

Option Package Details
Mercedes-Benz SL SL65 AMG

Obstacle detection, rear
FeatureValueRequested?
Obstacle detection, rear250Yes
Obstacle detection, front150Yes
Total Requested400100%
Total Not Requested00%

Was this information useful?

We're glad we could help! Share this page:

We're so sorry! Tell us how we can improve it.

See TrueDelta's information for all Sedans
See TrueDelta's information for all Cadillac models.