Audi A8 / S8 Audi A8 / S8 2018 Cadillac CTS Cadillac CTS 2008

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Audi A8 / S8 vs. Cadillac CTS 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.

Audi A8 / S8 vs. Cadillac CTS Invoice Comparison

Lowest Total Price: $44,675

Cadillac CTS   
Difference: $72,200

Lowest Total Invoice: $40,742

Cadillac CTS   
Difference: $68,021

Calculate Payments

  Down Payment Interest Rate Term
Model Year20182008
ModelA8 / S8CTS
TrimS8 PlusBase
Body4dr Sedan4dr Sedan
Base Price $115,900 $33,675
Base Invoice $107,788 $31,486
Performance Collection   1,790
Temporary spare tire   250
Premium Luxury Collection   8,215
Performance Collection   1,485
Temporary spare tire   208
Premium Luxury Collection   6,818
Options (change) 0 10,255
Options (change) 0 8,511
Destination 975 745
Total Price $116,875 $44,675
Total Invoice $108,763 $40,742

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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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TrueDelta Value Comparison: Audi A8 / S8 vs. Cadillac CTS

Lowest Adjusted Price and Invoice: Cadillac CTS
TrueDelta Adjusted Price Difference: $59,520
TrueDelta Adjusted Invoice Difference: $56,221
Model Year20182008
ModelA8 / S8CTS
TrimS8 PlusBase
Body4dr Sedan4dr Sedan
Engine605hp V8hp
TransmissionT8M6
DrivetrainAWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG
Audio (watts, speakers)630, 14300, 10
Tire (rear if not all the same)275/35-21235/50-18
Total Price$116,875$44,675
Adjustments for Features-12,6800
Feature-Adjusted Total Price$104,195$44,675
Total Invoice$108,763$40,742
Adjustments for Features-11,8000
Feature-Adjusted Total Invoice$96,963$40,742

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Features Comparison: Audi A8 / S8 vs. Cadillac CTS

Model Year20182008
ModelA8 / S8CTS
TrimS8 PlusBase
Body4dr Sedan4dr Sedan
Transmission and Drivetrain 
8-speed manually-shiftable automatic$1300 
6-speed manual $150
AWD$1700 
RWD $0
Accessories 
Active noise reduction$0 
Hands-free trunk or liftgate$100 
Power door closers$300 
Power trunk closer$350 
Remote start $150
Remote window/roof operation$15 
Sunshade, rear, power$225 
Sunshades, second row, power$225 
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0 
Around view cameras$500 
Blind spot warning system$200 
Brake- or yaw-sensor-initiated collision preparation system$0 
Collision preparation system, rear$100 
Full-size spare tire$225 
Knee airbag, driver$75 
Knee airbag, passenger$75 
Obstacle detection, front$150 
Rear side airbags$300 
Rollover sensor$50 
Temporary spare tire $150
Wide-view front camera$150 
Wide-view rear camera$0 
Cargo Management 
Air-conditioned storage compartment$50 
Climate Control 
Automatic air recirculation$100 
Heated windshield washer nozzles$15 
Rear air vents $100
Rear air vents with automatic controls$250 
Rear dual-zone climate control$125 
Residual heat$50 
Super-heated washer fluid $100
Drivetrain 
Limited-slip rear differential $300
Engine / Motor 
Dual-mode exhaust, switchable$500 
Exterior 
Body kit$0 
Laminated front side windows$200 
Laminated rear side windows$100 
Panoramic sunroof $1200
Rear spoiler$200 
Sunroof$900 
Infotainment 
Bluetooth audio streaming$25 
Handwriting recognition$200 
HD radio$50 
In-vehicle Internet$150 
SD Card slot$25 
Telematics service, such as OnStar, with navigation $225
Traffic + travel information$25 
Traffic information $25
Wi-Fi hotspot$50 
Instruments, Lights, and Mirrors 
Analog clock$25 
Auto-dimming driver-side mirror$75 
Auto-dimming headlights$200 
Auto-dimming passenger-side mirror$75 
Cornering lights$50 
Fog light, rear$100 
Fog lights $125
Head-up display (HUD)$350 
Interior ambient lighting $150
Interior ambient lighting, configurable$150 
LED headlights$1000 
Mirror tilt-down in reverse$25 
Power-folding mirrors$50 
Turn signals on or near mirrors$25 
Xenon HID headlights $500
Seats and Interior Trim 
Carbon fiber trim$200 
Folding second row seats $300
Leather door panel trim$250 
Leather-wrapped steering wheel$150 
Massage, driver seat$100 
Massage, passenger seat$100 
Memory system, passenger seat$150 
Power 4-way lumbar adjuster, driver seat$150 
Power 4-way lumbar adjuster, passenger seat$150 
Power headrest height adjuster, driver seat$50 
Power headrest height adjuster, passenger seat$50 
Power lumbar adjuster, driver seat $100
Power lumbar adjuster, passenger seat $100
Power seat belt height adjusters, front row$25 
Power seatback bolsters, driver seat$100 
Power seatback bolsters, passenger seat$100 
Power thigh bolsters, driver seat$100 
Power thigh bolsters, passenger seat$100 
Power thigh support length adjuster, driver seat$100 
Power thigh support length adjuster, passenger seat$100 
Power upper seatback recliner, driver seat$100 
Power upper seatback recliner, passenger seat$100 
Synthetic suede headliner$650 
Wood trim $300
Wood/leather-wrapped steering wheel $150
Suspension, Wheels, and Tires 
Active steering$1000 
Adaptive dampers - electrical$500 
Air suspension, auto-leveling and height adjustable$1000 
Electronic systems calibration selector$200 
Sport suspension (upgrade) $0
Transmission 
Steering-wheel-mounted transmission controls$100 
Total Value of Features$16,805$4,125
Value of Feature Adjustments$12,680$0
Value of Feature Adjustments-11,8000

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Specifications Comparison: Audi A8 / S8 vs. Cadillac CTS

Model Year20182008
ModelA8 / S8CTS
Body4dr Sedan4dr Sedan
Wheelbase117.8 in113.4 in
Length202.6 in191.6 in
Width76.7 in72.5 in
Height57.4 in58.0 in
Curb Weight4,686 lb.3,861 lb.
Fuel Capacity21.7 gal.18.0 gal.
Row 1 Headroom37.2 in38.8 in
Row 1 Shoulder Room59.1 in56.7 in
Row 1 Hip Room0.0 in55.1 in
Row 1 Legroom41.4 in42.4 in
Row 2 Headroom38.1 in37.2 in
Row 2 Shoulder Room57.8 in54.7 in
Row 2 Hip Room0.0 in54.1 in
Row 2 Legroom38.7 in35.9 in
Cargo Volume14.2 ft313.6 ft3

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Option Package Details
Cadillac CTS

Performance Collection
FeatureValueRequested?
Leather seating surfaces900Yes
Heated front seats200Yes
Power lumbar adjuster, driver seat100Yes
Power recliner, passenger seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Power lumbar adjuster, passenger seat100Yes
Memory system, driver seat200Yes
Bluetooth cell phone link100Yes
Power height adjuster, passenger seat100Yes
Power tilt adjuster, passenger seat100Yes
Super-heated washer fluid100No
Sport suspension (upgrade)250No
Limited-slip rear differential300No
Fog lights125No
Steering-linked headlights150Yes
Xenon HID headlights500Yes
Headlight washers50Yes
235/50VR18 tires400No
Total Requested270070%
Total Not Requested117530%
Premium Luxury Collection
FeatureValueRequested?
Wood trim300No
Wood/leather-wrapped steering wheel0No
Panoramic sunroof1200No
Tilt/telescoping steering wheel, power100Yes
Cooled or ventilated front seats300Yes
Folding second row seats300No
Universal garage door opener100Yes
Obstacle detection, rear250Yes
Remote start150No
Proximity key250Yes
Second-row 2-section 3-person split bench100No
Navigation system600Yes
DVD-compatible player0Yes
Voice control for nav and audio100Yes
Traffic information25Yes
CD changer, in-dash200No
Rain-sensing wipers100Yes
Alarm100No
Machined alloy wheels0No
Interior ambient lighting150Yes
Leather seating surfaces900Yes
Heated front seats200Yes
Power lumbar adjuster, driver seat100Yes
Power recliner, passenger seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Power lumbar adjuster, passenger seat100Yes
Memory system, driver seat200Yes
Bluetooth cell phone link100Yes
Power height adjuster, passenger seat100Yes
Power tilt adjuster, passenger seat100Yes
Super-heated washer fluid100No
Surround sound250Yes
Media drive, large15Yes
USB port25Yes
Bose, 300W, 10 speakers (with subwoofer)350No
Total Requested426560%
Total Not Requested280040%

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