Audi A8 / S8 Audi A8 / S8 2007 Cadillac XTS Cadillac XTS 2014

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

Join Us

Audi A8 / S8 vs. Cadillac XTS 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 XTS Invoice Comparison

Lowest Total Price: $70,370

Cadillac XTS Vsport Platinum   
Difference: $35,875

Lowest Total Invoice: $65,837

Cadillac XTS Vsport Platinum   
Difference: $31,508

Calculate Payments

  Down Payment Interest Rate Term
Model Year20072014
ModelA8 / S8XTS
TrimS8Vsport Platinum
Body4dr Sedan4dr Sedan
Base Price $92,000 $69,095
Base Invoice $84,065 $64,604
Premium Package 3,500  
Ski sack 175  
Rear air vents with automatic controls 600  
Satellite radio 550  
Upholstered instrument panel, leather 4,900  
Adaptive cruise control 2,100  
Temporary spare tire   350
Premium Package 3,185  
Ski sack 159  
Rear air vents with automatic controls 546  
Satellite radio 501  
Upholstered instrument panel, leather 4,558  
Adaptive cruise control 1,911  
Temporary spare tire   308
Options (change) 11,825 350
Options (change) 10,860 308
Destination 720 925
Gas Tax 1,700 0
Total Price $106,245 $70,370
Total Invoice $97,345 $65,837

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 Audi A8 / S8 dealer quotes or Cadillac XTS 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: Audi A8 / S8 vs. Cadillac XTS

Lowest Adjusted Price and Invoice: Cadillac XTS Vsport Platinum
TrueDelta Adjusted Price Difference: $38,435
TrueDelta Adjusted Invoice Difference: $33,903
Model Year20072014
ModelA8 / S8XTS
TrimS8Vsport Platinum
Body4dr Sedan4dr Sedan
Engine450hp V10410hp V6
TransmissionT6T6
DrivetrainAWDAWD
EPA Fuel Economy (city/highway)15/21 MPG16/24 MPG
Audio (watts, speakers)200, 12?, 14
Tire (rear if not all the same)265/35-20245/40-20
Total Price$106,245$70,370
Adjustments for Features0-2,560
Feature-Adjusted Total Price$106,245$67,810
Total Invoice$97,345$65,837
Adjustments for Features0-2,395
Feature-Adjusted Total Invoice$97,345$63,442

Return to top

Features Comparison: Audi A8 / S8 vs. Cadillac XTS

Model Year20072014
ModelA8 / S8XTS
TrimS8Vsport Platinum
Body4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100$1100
AWD$1700$1700
Accessories 
AC power outlet $100
Active noise reduction $0
Adaptive cruise control$600 
Adaptive cruise control, all-speed $850
Heated steering wheel $100
Power door closers$300 
Power trunk closer$350 
Remote start $150
Remote window/roof operation$15 
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0 
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
Forward collision warning $200
Lane departure warning $200
Radar- or camera-based collision preparation system $0
Rollover sensor $50
Cargo Management 
Cargo net $40
Ski sack$50 
Climate Control 
Heated windshield washer nozzles$15 
Rear dual-zone climate control$125 
Residual heat$50 
Drivetrain 
Limited-slip rear differential $300
Exterior 
Bodyside moldings$75 
Laminated front side windows $200
Panoramic sunroof $1200
Sunroof$900 
Infotainment 
App support $0
Aux input $50
Bluetooth audio streaming $25
CD changer, remote$200 
CD player, remote $100
HD radio $50
MP3-compatible player $50
Rear seat audio controls $25
Telematics service, such as OnStar, with navigation $225
Traffic information $25
Voice control for external devices $0
Instruments, Lights, and Mirrors 
Approach detection $25
Auto-dimming headlights $200
Boost gauge $75
Compass $0
Fog light, rear$100 
Fog lights$125 
Head-up display (HUD) $350
Headlight washers$50 
Large color reconfigurable instrument cluster display $250
Mirror tilt-down in reverse$25 
Power-folding mirrors$50 
Seats and Interior Trim 
Cooled or ventilated front seats $300
Folding second row seats $300
Illuminated door sill trim plates $200
Leather-wrapped steering wheel$150 
Manual thigh support length adjuster, driver seat $50
Manual thigh support length adjuster, passenger seat $50
Power headrest height adjuster, driver seat$50 
Power headrest height adjuster, passenger seat$50 
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 
Wood trim$300 
Wood trim, alternative type $300
Suspension, Wheels, and Tires 
Air suspension, auto-leveling and height adjustable$1000 
Alloy wheels$350 
Electronic systems calibration selector $200
Polished alloy wheels $350
Rear air springs, auto-leveling $350
Sport suspension (upgrade)$0 
Transmission 
Steering-wheel-mounted transmission controls $100
Total Value of Features$8,130$10,690
Value of Feature Adjustments$0$2,560
Value of Feature Adjustments0-2,395

Return to top

Specifications Comparison: Audi A8 / S8 vs. Cadillac XTS

Model Year20072014
ModelA8 / S8XTS
Body4dr Sedan4dr Sedan
Wheelbase115.9 in111.7 in
Length199.3 in202.0 in
Width74.6 in72.9 in
Height56.9 in59.5 in
Curb Weight4,586 lb.4,364 lb.
Fuel Capacity23.8 gal.19.0 gal.
Row 1 Headroom37.3 in39.0 in
Row 1 Shoulder Room59.1 in57.9 in
Row 1 Hip Room0.0 in55.1 in
Row 1 Legroom41.4 in42.1 in
Row 2 Headroom38.0 in37.8 in
Row 2 Shoulder Room57.5 in56.3 in
Row 2 Hip Room0.0 in54.3 in
Row 2 Legroom37.6 in40.0 in
Cargo Volume14.6 ft318.0 ft3

Return to top

Option Package Details
Audi A8 / S8 S8

Premium Package
FeatureValueRequested?
Heated second row seats200Yes
Sunshades, second row125Yes
Sunshade, rear, power225Yes
Obstacle detection, front150Yes
Obstacle detection, rear250Yes
Rearview camera200Yes
Power door closers300No
Power decklid300No
Proximity key250Yes
Total Requested140070%
Total Not Requested60030%

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 Audi models.