Cadillac DTS Cadillac DTS 2007 Mazda RX-8 Mazda RX-8 2011

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Cadillac DTS 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 DTS vs. Mazda RX-8 Invoice Comparison

Lowest Total Price: $35,845

Mazda RX-8 Grand Touring   
Difference: $14,965

Lowest Total Invoice: $33,106

Mazda RX-8 Grand Touring   
Difference: $14,124

Calculate Payments

  Down Payment Interest Rate Term
Model Year20072011
ModelDTSRX-8
TrimV8Grand Touring
Body4dr Sedan4dr Coupe
Base Price $41,525 $32,260
Base Invoice $38,826 $29,878
Sunroof 1,200  
Luxury II Package 5,320  
Navigation system 1,945 2,000
6-speed shiftable automatic   700
Cargo net   40
Cargo mat   50
Sunroof 996  
Luxury II Package 4,974  
Navigation system 1,614 1,720
6-speed shiftable automatic   645
Cargo net   32
Cargo mat   36
Options (change) 8,465 2,790
Options (change) 7,584 2,433
Destination 820 795
Total Price $50,810 $35,845
Total Invoice $47,230 $33,106

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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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Request free, no-obligation Cadillac DTS dealer quotes or Mazda RX-8 dealer quotes from dealers using our car quote form.

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

Lowest Adjusted Price and Invoice: Mazda RX-8 Grand Touring
TrueDelta Adjusted Price Difference: $11,540
TrueDelta Adjusted Invoice Difference: $10,940
Model Year20072011
ModelDTSRX-8
TrimV8Grand Touring
Body4dr Sedan4dr Coupe
Engine275hp V8212hp R2
TransmissionA4T6
DrivetrainFWDRWD
EPA Fuel Economy (city/highway)17/25 MPG16/23 MPG
Audio (watts, speakers)?, 8300, 9
Tire (rear if not all the same)225/55-17225/45-18
Total Price$50,810$35,845
Adjustments for Features-3,4250
Feature-Adjusted Total Price$47,385$35,845
Total Invoice$47,230$33,106
Adjustments for Features-3,1840
Feature-Adjusted Total Invoice$44,046$33,106

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Features Comparison: Cadillac DTS vs. Mazda RX-8

Model Year20072011
ModelDTSRX-8
TrimV8Grand Touring
Body4dr Sedan4dr Coupe
Transmission and Drivetrain 
4-speed automatic$800 
6-speed manually-shiftable automatic $1100
FWD$0 
RWD $0
Accessories 
Heated steering wheel$100 
Power rear side windows$200 
Proximity key $250
Remote start$150 
Sunshade, rear, power$225 
Tilt steering wheel, manual $150
Tilt/telescoping steering wheel, power$350 
Brakes, Airbags, and Other Safety 
Brake assist$50 
Obstacle detection, front$150 
Obstacle detection, rear$250 
Cargo Management 
Overhead sunglass holder $25
Second-row high console $250
Climate Control 
Dual-zone climate control$125 
Rear air vents with automatic controls$250 
Super-heated washer fluid$100 
Drivetrain 
Limited-slip rear differential $300
Exterior 
Bodyside moldings$75 
Laminated front side windows$200 
Infotainment 
Bluetooth cell phone link $100
CD changer, in-dash $325
CD player$125 
Telematics service, such as OnStar, with navigation$225 
Voice control for nav and audio$100 
Instruments, Lights, and Mirrors 
Analog clock$25 
Auto-dimming driver-side mirror$75 
Auto-dimming headlights$200 
Compass$0 
Cornering lights$50 
Trip computer$150 
Turn signals on or near mirrors$25 
Seats and Interior Trim 
Cooled or ventilated front seats$300 
Heated second row seats$200 
Leather-wrapped steering wheel $150
Massage, driver seat$100 
Massage, passenger seat$100 
Power 4-way lumbar adjuster, driver seat$150 
Power 4-way lumbar adjuster, passenger seat$150 
Power 4-way lumbar adjuster, second row seats$225 
Power fore-aft adjuster, passenger seat$100 
Power height adjuster, passenger seat$100 
Power lumbar adjuster, driver seat $100
Power recliner, passenger seat$100 
Power tilt adjuster, passenger seat$100 
Wood trim$300 
Wood/leather-wrapped steering wheel$150 
Suspension, Wheels, and Tires 
Alloy wheels $350
Auto-leveling rear shocks$200 
Polished alloy wheels$350 
Transmission 
Steering-wheel-mounted transmission controls $100
Total Value of Features$6,625$3,200
Value of Feature Adjustments$3,425$0
Value of Feature Adjustments-3,1840

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Specifications Comparison: Cadillac DTS vs. Mazda RX-8

Model Year20072011
ModelDTSRX-8
Body4dr Sedan4dr Coupe
Wheelbase115.6 in106.4 in
Length207.6 in175.6 in
Width74.8 in69.7 in
Height57.6 in52.8 in
Curb Weight4,009 lb.3,094 lb.
Fuel Capacity18.5 gal.15.9 gal.
Row 1 Headroom38.3 in38.2 in
Row 1 Shoulder Room60.0 in54.8 in
Row 1 Hip Room57.3 in53.3 in
Row 1 Legroom42.5 in42.7 in
Row 2 Headroom38.4 in36.8 in
Row 2 Shoulder Room59.2 in54.9 in
Row 2 Hip Room55.7 in48.1 in
Row 2 Legroom42.0 in32.2 in
Cargo Volume18.8 ft37.6 ft3

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Option Package Details
Cadillac DTS V8

Luxury II Package
FeatureValueRequested?
Illuminated vanity mirrors, rear seat100No
Polished alloy wheels0No
Cargo mat40Yes
Surround sound250Yes
Wood trim300No
Auto-dimming headlights200No
Tilt/telescoping steering wheel, power200No
CD changer, in-dash200No
Power 4-way lumbar adjuster, second row seats225No
Rear air vents with automatic controls150No
Universal garage door opener100Yes
Rain-sensing wipers100Yes
Sunshade, rear, power225No
Wood/leather-wrapped steering wheel0No
Massage, driver seat100No
Massage, passenger seat100No
Interior air filter0Yes
Cargo net40Yes
Bose, 8 speakers (with subwoofer)350No
Stability control400Yes
Brake assist50No
Heated front seats200Yes
Heated second row seats200No
Cooled or ventilated front seats300No
Memory system, driver seat200Yes
Obstacle detection, front150No
Obstacle detection, rear250No
Heated steering wheel100No
Auto-dimming driver-side mirror75No
Super-heated washer fluid100No
Total Requested133028%
Total Not Requested337572%

Option Package Details
Mazda RX-8 Grand Touring

6-speed manually-shiftable automatic
FeatureValueRequested?
6-speed manually-shiftable automatic0Yes
1.3L R2
OHV-2v
212 hp@7500
159 lb-ft@5500
1000Yes
Steering-wheel-mounted transmission controls100No
Total Requested100091%
Total Not Requested1009%

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