Audi A6 / S6 Audi A6 / S6 2008 Cadillac XTS Cadillac XTS 2015

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

Join Us

Audi A6 / S6 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 A6 / S6 vs. Cadillac XTS Invoice Comparison

Lowest Total Price: $69,415

Cadillac XTS Vsport Premium   
Difference: $14,215

Lowest Total Invoice: $64,656

Cadillac XTS Vsport Premium   
Difference: $13,220

Calculate Payments

  Down Payment Interest Rate Term
Model Year200820152015
ModelA6 / S6XTSXTS
TrimS6Vsport PremiumVsport Platinum
Body4dr Sedan4dr Sedan4dr Sedan
Base Price $72,350 $62,735 $69,785
Base Invoice $67,285 $58,657 $65,249
Technology Package 3,350    
Warm Weather Package 1,190    
Heated second row seats 225    
Lane departure warning 900    
Laminated front side windows 900    
Rear side airbags 350    
iPod integration 290    
Adaptive cruise control 2,000    
Sunshade, rear, power   575  
CD player, remote   300 300
Driver Assist Package   2,395  
Temporary spare tire   350 350
Metallic paint (extra cost)   495 495
Cargo mat   120 120
Panoramic sunroof   1,450  
Technology Package 3,115    
Warm Weather Package 1,106    
Heated second row seats 209    
Lane departure warning 838    
Laminated front side windows 838    
Rear side airbags 325    
iPod integration 225    
Adaptive cruise control 1,860    
Sunshade, rear, power   506  
CD player, remote   264 264
Driver Assist Package   2,108  
Temporary spare tire   308 308
Metallic paint (extra cost)   436 436
Cargo mat   106 106
Panoramic sunroof   1,276  
Options (change) 9,205 5,685 1,265
Options (change) 8,516 5,004 1,114
Destination 775 995 995
Gas Tax 1,300 0 0
Total Price $83,630 $69,415 $72,045
Total Invoice $77,876 $64,656 $67,358

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 A6 / S6 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 A6 / S6 vs. Cadillac XTS

Lowest Adjusted Price and Invoice: Cadillac XTS Vsport Premium
TrueDelta Adjusted Price Difference: $18,500
TrueDelta Adjusted Invoice Difference: $17,211
Model Year200820152015
ModelA6 / S6XTSXTS
TrimS6Vsport PremiumVsport Platinum
Body4dr Sedan4dr Sedan4dr Sedan
Engine435hp V10410hp V6410hp V6
TransmissionT6T6T6
DrivetrainAWDAWDAWD
EPA Fuel Economy (city/highway)14/19 MPG16/24 MPG16/24 MPG
Audio (watts, speakers)330, 13?, 14?, 14
Tire (rear if not all the same)265/35-19245/40-20245/40-20
Total Price$83,630$69,415$72,045
Adjustments for Features0-4,285-5,985
Feature-Adjusted Total Price$83,630$65,130$66,060
Cost Above Minimum$0$0$930
Total Invoice$77,876$64,656$67,358
Adjustments for Features0-3,991-5,596
Feature-Adjusted Total Invoice$77,876$60,665$61,762
Cost Above Minimum$0$0$1,097

Return to top

Features Comparison: Audi A6 / S6 vs. Cadillac XTS

Model Year200820152015
ModelA6 / S6XTSXTS
TrimS6Vsport PremiumVsport Platinum
Body4dr Sedan4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100$1100$1100
AWD$1700$1700$1700
Accessories 
AC power outlet $100$100
Active noise reduction $0$0
Adaptive cruise control$600  
Adaptive cruise control, all-speed $850$850
Heated steering wheel $100$100
Remote app $25$25
Remote start $150$150
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0  
Automatic braking, high-speed or partial $200$200
Automatic braking, low-speed $200$200
Backup collision intervention $150$150
Blind spot warning system $200$200
Cross-traffic warning, rear $100$100
Forward collision warning $200$200
Full-size spare tire$225  
Knee airbag, driver $75$75
Knee airbag, passenger $75$75
Obstacle detection, front $150$150
Radar- or camera-based collision preparation system $0$0
Rollover sensor $50$50
Temporary spare tire $150$150
Vehicle health reports $0$0
Cargo Management 
Ski sack$50  
Storage compartment under front seat(s)$50  
Climate Control 
Heated windshield washer nozzles$15  
Rear air vents$100  
Rear air vents with automatic controls $250$250
Residual heat$50  
Drivetrain 
Limited-slip rear differential $300$300
Exterior 
Bodyside cladding$350  
Panoramic sunroof $1200$1200
Solar panel$300  
Sunroof$900  
Infotainment 
4G LTE connectivity $0$0
App support $0$0
Aux input $50$50
Bluetooth audio streaming $25$25
CD changer, remote$200  
CD player, remote $100$100
HD radio $50$50
iPod integration$100  
Rear seat audio controls $25$25
SD Card slot $25$25
Telematics service, such as OnStar, with navigation $225$225
Traffic information $25$25
USB port $25$25
Voice control for external devices $0$0
Wi-Fi hotspot $50$50
Instruments, Lights, and Mirrors 
Approach detection $25$25
Auto-dimming headlights $200$200
Boost gauge $75$75
Cornering lights $50$50
Fog light, rear$100  
Fog lights$125  
Head-up display (HUD) $350$350
Headlight washers$50  
Large color reconfigurable instrument cluster display $250$250
Mirror tilt-down in reverse$25  
Seats and Interior Trim 
Cooled or ventilated front seats $300$300
Door sill trim plates$100$100 
Illuminated door sill trim plates  $200
Leather door panel trim$250 $250
Leather-wrapped steering wheel$150  
Manual thigh support length adjuster, passenger seat $50$50
Memory system, passenger seat $150$150
Synthetic suede headliner  $650
Upholstered instrument panel $300 
Upholstered instrument panel, leather  $1000
Wood trim$300$300 
Wood trim, alternative type  $300
Suspension, Wheels, and Tires 
Adaptive dampers - electrical $500$500
Alloy wheels$350$350 
Electronic systems calibration selector $200$200
Polished alloy wheels  $350
Rear air springs, auto-leveling $350$350
Sport suspension (upgrade)$0  
Total Value of Features$7,190$11,475$13,175
Value of Feature Adjustments$0$4,285$5,985
Value of Feature Adjustments0-3,991-5,596

Return to top

Specifications Comparison: Audi A6 / S6 vs. Cadillac XTS

Model Year20082015
ModelA6 / S6XTS
Body4dr Sedan4dr Sedan
Wheelbase111.9 in111.7 in
Length193.5 in202.0 in
Width73.1 in72.9 in
Height57.5 in59.5 in
Curb Weight4,486 lb.4,364 lb.
Fuel Capacity21.1 gal.19.0 gal.
Row 1 Headroom38.7 in39.0 in
Row 1 Shoulder Room57.1 in57.9 in
Row 1 Hip Room0.0 in55.1 in
Row 1 Legroom41.3 in42.1 in
Row 2 Headroom37.8 in37.8 in
Row 2 Shoulder Room55.9 in56.3 in
Row 2 Hip Room0.0 in54.3 in
Row 2 Legroom36.9 in40.0 in
Cargo Volume15.9 ft318.0 ft3

Return to top

Option Package Details
Audi A6 / S6 S6

Technology Package
FeatureValueRequested?
Navigation system600Yes
Obstacle detection, rear250Yes
Rearview camera200Yes
Proximity key250Yes
Voice control for nav and audio100Yes
Total Requested1400100%
Total Not Requested00%
Warm Weather Package
FeatureValueRequested?
Sunshades, second row125Yes
Sunshade, rear, power225Yes
Solar panel300No
Total Requested35054%
Total Not Requested30046%

Option Package Details
Cadillac XTS Vsport Premium

Sunshade, rear, power
FeatureValueRequested?
Sunshade, rear, power225Yes
Sunshades, second row125Yes
Total Requested350100%
Total Not Requested00%
CD player, remote
FeatureValueRequested?
CD player, remote100Yes
MP3-compatible player50Yes
Total Requested150100%
Total Not Requested00%
Driver Assist Package
FeatureValueRequested?
Radar- or camera-based collision preparation system0No
Adaptive cruise control, all-speed700No
Automatic braking, low-speed200No
Automatic braking, high-speed200No
Backup collision intervention150No
Total Requested00%
Total Not Requested1250100%

Option Package Details
Cadillac XTS Vsport Platinum

CD player, remote
FeatureValueRequested?
CD player, remote100Yes
MP3-compatible player50Yes
Total Requested150100%
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 and Wagons.
See TrueDelta's information for all Audi models.