Cadillac XTS Cadillac XTS 2015 Mazda RX-8 Mazda RX-8 2008

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Cadillac XTS vs. Mazda RX-8 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 XTS vs. Mazda RX-8 Invoice Comparison

Lowest Total Price: $34,353

Mazda RX-8 Manual   
Difference: $18,637

Lowest Total Invoice: $31,612

Mazda RX-8 Manual   
Difference: $18,079

Calculate Payments

  Down Payment Interest Rate Term
Model Year2015201520152015201520082008
ModelXTSXTSXTSXTSXTSRX-8RX-8
TrimLuxuryPremiumPlatinumVsport PremiumVsport PlatinumAutomaticManual
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Coupe4dr Coupe
Base Price $49,000 $54,670 $62,015 $62,735 $69,785 $26,435 $26,435
Base Invoice $46,060 $51,116 $57,984 $58,657 $65,249 $24,458 $24,458
CD player, remote 300 300 300 300 300    
Metallic paint (extra cost) 495 495 495 495 495    
Cargo mat 120 120 120 120 120 50 50
Cargo organizer 140 140 140 140 140 70 70
All-weather floor mats 140 140 140 140 140 78 78
Temporary spare tire 350 350 350 350 350 395 395
Panoramic sunroof 1,450 1,450   1,450      
Grand Touring Package           5,335 4,635
Cargo net           40 40
Navigation system           2,000 2,000
CD player, remote 264 264 264 264 264    
Metallic paint (extra cost) 436 436 436 436 436    
Cargo mat 106 106 106 106 106 36 36
Cargo organizer 123 123 123 123 123 56 56
All-weather floor mats 123 123 123 123 123 62 62
Temporary spare tire 308 308 308 308 308 320 320
Panoramic sunroof 1,276 1,276   1,276      
Grand Touring Package           4,922 4,277
Cargo net           32 32
Navigation system           1,721 1,721
Options (change) 2,995 2,995 1,545 2,995 1,545 7,968 7,268
Options (change) 2,636 2,636 1,360 2,636 1,360 7,149 6,504
Destination 995 995 995 995 995 650 650
Total Price $52,990 $58,660 $64,555 $66,725 $72,325 $35,053 $34,353
Total Invoice $49,691 $54,747 $60,339 $62,288 $67,604 $32,257 $31,612

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While we strive for accuracy, the site is not error-free, and prices can change at any time.

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TrueDelta Value Comparison: Cadillac XTS vs. Mazda RX-8

Lowest Adjusted Price and Invoice: Mazda RX-8 Automatic
TrueDelta Adjusted Price Difference: $10,512
TrueDelta Adjusted Invoice Difference: $10,454
Model Year2015201520152015201520082008
ModelXTSXTSXTSXTSXTSRX-8RX-8
TrimLuxuryPremiumPlatinumVsport PremiumVsport PlatinumAutomaticManual
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Coupe4dr Coupe
Engine304hp V6304hp V6304hp V6410hp V6410hp V6212hp R2232hp R2
TransmissionT6T6T6T6T6T6M6
DrivetrainFWDFWDFWDAWDAWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)?, 8?, 14?, 14?, 14?, 14300, 9300, 9
Tire (rear if not all the same)245/45-19245/45-19245/40-20245/40-20245/40-20225/45-18225/45-18
Total Price$52,990$58,660$64,555$66,725$72,325$35,053$34,353
Adjustments for Features-8,400-11,075-14,375-12,250-15,550-9750
Feature-Adjusted Total Price$44,590$47,585$50,180$54,475$56,775$34,078$34,353
Cost Above Minimum$0$2,995$5,590$9,885$12,185$0$275
Total Invoice$49,691$54,747$60,339$62,288$67,604$32,257$31,612
Adjustments for Features-7,877-10,336-13,436-11,435-14,535-8970
Feature-Adjusted Total Invoice$41,814$44,411$46,903$50,853$53,069$31,360$31,612
Cost Above Minimum$0$2,597$5,089$9,039$11,255$0$252

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Features Comparison: Cadillac XTS vs. Mazda RX-8

Model Year2015201520152015201520082008
ModelXTSXTSXTSXTSXTSRX-8RX-8
TrimLuxuryPremiumPlatinumVsport PremiumVsport PlatinumAutomaticManual
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Coupe4dr Coupe
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100$1100$1100$1100$1100$1100 
6-speed manual      $150
FWD$0$0$0    
AWD   $1700$1700  
RWD     $0$0
Accessories 
AC power outlet $100$100$100$100  
Active noise reduction$0$0$0$0$0  
Adaptive cruise control, all-speed  $850 $850  
Cruise control$150$150 $150 $150$150
Heated steering wheel$100$100$100$100$100  
Power rear side windows$200$200$200$200$200  
Remote app$25$25$25$25$25  
Remote start$150$150$150$150$150  
Semi-automated parking system$500$500$500    
Sunshade, rear, power  $225 $225  
Sunshades, second row  $125 $125  
Tilt steering wheel, manual     $150$150
Tilt/telescoping steering wheel, power$350$350$350$350$350  
Brakes, Airbags, and Other Safety 
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$200$200  
Brake assist$50$50$50$50$50  
Cross-traffic warning, rear $100$100$100$100  
Forward collision warning $200$200$200$200  
Knee airbag, driver$75$75$75$75$75  
Knee airbag, passenger$75$75$75$75$75  
Lane departure warning $200$200$200$200  
Lane keeping assist $400$400    
Obstacle detection, front$150$150$150$150$150  
Obstacle detection, rear$250$250$250$250$250  
Radar- or camera-based collision preparation system  $0 $0  
Rear side airbags$300$300$300$300$300  
Rearview camera$200$200$200$200$200  
Rollover sensor$50$50$50$50$50  
Vehicle health reports$0$0$0$0$0  
Cargo Management 
Overhead sunglass holder     $25$25
Second-row high console     $250$250
Climate Control 
Automatic air recirculation$100$100$100$100$100  
Automatic climate control, front$200$200$200$200$200  
Dual-zone climate control$125$125$125$125$125  
Rain-sensing wipers$175$175$175$175$175  
Rear air vents$100      
Rear air vents with automatic controls $250$250$250$250  
Variable intermittent wipers     $75$75
Drivetrain 
Limited-slip rear differential   $300$300$300$300
Exterior 
Laminated front side windows$200$200$200$200$200  
Panoramic sunroof$1200$1200$1200$1200$1200  
Sunroof     $900$900
Infotainment 
4G LTE connectivity$0$0$0$0$0  
App support$0$0$0$0$0  
Aux input$50$50$50$50$50  
Bluetooth audio streaming$25$25$25$25$25  
Bluetooth cell phone link$100$100$100$100$100  
CD changer, in-dash     $325$325
CD player, remote$100$100$100$100$100  
HD radio$50$50$50$50$50  
MP3-compatible player$50$50$50$50$50  
Rear seat audio controls $25$25$25$25  
Satellite radio$200$200$200$200$200  
SD Card slot$25$25$25$25$25  
Surround sound $250$250$250$250  
Telematics service, such as OnStar, with navigation$225$225$225$225$225  
Traffic information$25$25$25$25$25  
USB port$25$25$25$25$25  
Voice control for external devices$0$0$0$0$0  
Voice control for nav and audio$100$100$100$100$100  
Wi-Fi hotspot$50$50$50$50$50  
Instruments, Lights, and Mirrors 
Approach detection$25$25$25$25$25  
Auto-dimming driver-side mirror$75$75$75$75$75  
Auto-dimming headlights $200$200$200$200  
Auto-dimming passenger-side mirror$75$75$75$75$75  
Automatic headlights$125$125$125$125$125  
Boost gauge   $75$75  
Compass$0$0$0$0$0  
Cornering lights$50$50$50$50$50  
Fog lights     $125$125
Head-up display (HUD) $350$350$350$350  
Interior ambient lighting$150$150$150$150$150  
Large color reconfigurable instrument cluster display $250$250$250$250  
Power-folding mirrors$50$50$50$50$50  
Steering-linked headlights $150$150$150$150  
Trip computer$150$150$150$150$150  
Turn signals on or near mirrors$25$25$25$25$25  
Seats and Interior Trim 
Cooled or ventilated front seats$300$300$300$300$300  
Door sill trim plates$100$100 $100 $100$100
Folding second row seats$300$300$300$300$300  
Heated second row seats$200$200$200$200$200  
Illuminated door sill trim plates  $200 $200  
Leather door panel trim  $250 $250  
Leather-wrapped steering wheel     $150$150
Manual thigh support length adjuster, driver seat $50$50$50$50  
Manual thigh support length adjuster, passenger seat $50$50$50$50  
Memory system, driver seat$200$200$200$200$200  
Memory system, passenger seat$150$150$150$150$150  
Metal pedals      $75
Power 4-way lumbar adjuster, driver seat$150$150$150$150$150  
Power 4-way lumbar adjuster, passenger seat$150$150$150$150$150  
Power fore-aft adjuster, passenger seat$100$100$100$100$100  
Power height adjuster, passenger seat$100$100$100$100$100  
Power lumbar adjuster, driver seat     $100$100
Power recliner, passenger seat$100$100$100$100$100  
Power tilt adjuster, passenger seat$100$100$100$100$100  
Synthetic suede headliner  $650 $650  
Upholstered instrument panel$300$300 $300   
Upholstered instrument panel, leather  $1000 $1000  
Wood trim$300$300 $300   
Wood trim, alternative type  $300 $300  
Suspension, Wheels, and Tires 
Adaptive dampers - electrical$500$500$500$500$500  
Alloy wheels$350  $350 $350$350
Electronic systems calibration selector$200$200$200$200$200  
Polished alloy wheels $350$350 $350  
Rear air springs, auto-leveling$350$350$350$350$350  
Sport suspension (upgrade)     $0$0
Transmission 
Steering-wheel-mounted transmission controls$100$100$100$100$100$100 
Total Value of Features$11,625$14,300$17,600$15,475$18,775$4,200$3,225
Value of Feature Adjustments$8,400$11,075$14,375$12,250$15,550$975$0
Value of Feature Adjustments-7,877-10,336-13,436-11,435-14,535-8970

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Specifications Comparison: Cadillac XTS vs. Mazda RX-8

Model Year20152008
ModelXTSRX-8
Body4dr Sedan4dr Coupe
Wheelbase111.7 in106.4 in
Length202.0 in174.3 in
Width72.9 in69.7 in
Height59.5 in52.8 in
Curb Weight4,007 lb.3,046 lb.
Fuel Capacity19.0 gal.15.9 gal.
Row 1 Headroom39.0 in38.2 in
Row 1 Shoulder Room57.9 in54.8 in
Row 1 Hip Room55.1 in53.3 in
Row 1 Legroom42.1 in42.7 in
Row 2 Headroom37.8 in36.8 in
Row 2 Shoulder Room56.3 in54.9 in
Row 2 Hip Room54.3 in48.1 in
Row 2 Legroom40.0 in32.2 in
Cargo Volume18.0 ft37.6 ft3

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Option Package Details
Mazda RX-8 Automatic

Grand Touring Package
FeatureValueRequested?
Leather seating surfaces900Yes
Heated mirrors25Yes
Heated front seats200Yes
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100Yes
Power recliner, driver seat100Yes
Power lumbar adjuster, driver seat100Yes
Proximity key250Yes
Traction control100Yes
Stability control400Yes
Fog lights125No
Xenon HID headlights500Yes
Sunroof900Yes
CD changer, in-dash200No
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Bose, 300W, 9 speakers350No
Sport suspension (upgrade)250No
Performance braking system (optional)250No
Limited-slip rear differential300Yes
225/45ZR18 tires400No
Total Requested427573%
Total Not Requested157527%

Option Package Details
Mazda RX-8 Manual

Grand Touring Package
FeatureValueRequested?
Leather seating surfaces900Yes
Heated mirrors25Yes
Heated front seats200Yes
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100Yes
Power recliner, driver seat100Yes
Power lumbar adjuster, driver seat100Yes
Proximity key250Yes
Traction control100Yes
Stability control400Yes
Fog lights125No
Xenon HID headlights500Yes
Sunroof900Yes
CD changer, in-dash200No
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Bose, 300W, 9 speakers350No
225/45ZR18 tires400No
Total Requested397579%
Total Not Requested107521%

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