| 1 | 0 | 3 | 4 | 3 | 4 |
Cadillac STS 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.
Models in short supply often sell at or even above these prices.
Cadillac STS vs. Mazda RX-8 Invoice Comparison
Lowest Total Price: $35,560 Mazda RX-8 Base (manual) | |||||
| Difference: $12,765 | |||||
Lowest Total Invoice: $32,363 Mazda RX-8 Base (manual) | |||||
| Difference: $11,767 | |||||
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| Model Year | 2006 | 2006 | 2006 | 2006 | 2006 |
| Model | STS | STS | STS | RX-8 | RX-8 |
| Trim | V6 | V8 | STS-V | Base (automatic) | Base (manual) |
| Body | 4dr Sedan | 4dr Sedan | 4dr Sedan | 4dr Coupe | 4dr Coupe |
| Base Price | $41,020 | $47,520 | $73,070 | $26,435 | $26,435 |
| Base Invoice | $37,944 | $43,956 | $67,704 | $24,458 | $24,458 |
| Bose 300W 15 speakers | 2,590 | ||||
| Preferred Equipment Group 1SB | 2,640 | ||||
| Sunroof | 1,200 | 1,200 | 1,200 | ||
| Universal garage door opener | 155 | ||||
| Preferred Equipment Group 1SE | 4,445 | ||||
| Shinka Package | 6,885 | 6,165 | |||
| Navigation system | 2,000 | 2,000 | |||
| Rear spoiler | 360 | 360 | |||
| Cargo net | 40 | 40 | |||
| Bose 300W 15 speakers | 2,150 | ||||
| Preferred Equipment Group 1SB | 2,191 | ||||
| Sunroof | 996 | 996 | 996 | ||
| Universal garage door opener | 129 | ||||
| Preferred Equipment Group 1SE | 3,689 | ||||
| Shinka Package | 5,923 | 5,304 | |||
| Navigation system | 1,721 | 1,721 | |||
| Rear spoiler | 288 | 288 | |||
| Cargo net | 32 | 32 | |||
| Options (change) | 6,585 | 5,645 | 1,200 | 9,285 | 8,565 |
| Options (change) | 5,466 | 4,685 | 996 | 7,964 | 7,345 |
| Destination | 720 | 720 | 720 | 560 | 560 |
| Gas Tax | 0 | 0 | 2,100 | 0 | 0 |
| Total Price | $48,325 | $53,885 | $77,090 | $36,280 | $35,560 |
| Total Invoice | $44,130 | $49,361 | $71,520 | $32,982 | $32,363 |
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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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Want to find out how much dealers are willing to discount these cars? Request free, no-obligation Cadillac STS dealer quotes or Mazda RX-8 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: Cadillac STS vs. Mazda RX-8
| Lowest Adjusted Price and Invoice: Mazda RX-8 Base (automatic) | |||||
| TrueDelta Adjusted Price Difference: $9,875 | |||||
| TrueDelta Adjusted Invoice Difference: $9,163 | |||||
| Model Year | 2006 | 2006 | 2006 | 2006 | 2006 |
| Model | STS | STS | STS | RX-8 | RX-8 |
| Trim | V6 | V8 | STS-V | Base (automatic) | Base (manual) |
| Body | 4dr Sedan | 4dr Sedan | 4dr Sedan | 4dr Coupe | 4dr Coupe |
| Engine | 254hp V6 | 320hp V8 | 469hp V8 | 212hp R2 | 238hp R2 |
| Transmission | T5 | T5 | T6 | T6 | M6 |
| Drivetrain | RWD | RWD | RWD | RWD | RWD |
| EPA Fuel Economy (city/highway) | / MPG | / MPG | / MPG | / MPG | / MPG |
| Audio (watts, speakers) | 300, 15 | 300, 15 | 300, 15 | 300, 9 | 300, 9 |
| Tire (rear if not all the same) | 235/50-17 | 235/50-17 | 255/45-18 | 225/45-18 | 225/45-18 |
| Total Price | $48,325 | $53,885 | $77,090 | $36,280 | $35,560 |
| Adjustments for Features | -3,220 | -3,610 | -6,125 | -1,050 | 0 |
| Feature-Adjusted Total Price | $45,105 | $50,275 | $70,965 | $35,230 | $35,560 |
| Cost Above Minimum | $0 | $5,170 | $25,860 | $0 | $330 |
| Total Invoice | $44,130 | $49,361 | $71,520 | $32,982 | $32,363 |
| Adjustments for Features | -2,940 | -3,307 | -5,682 | -955 | 0 |
| Feature-Adjusted Total Invoice | $41,190 | $46,054 | $65,838 | $32,027 | $32,363 |
| Cost Above Minimum | $0 | $4,864 | $24,648 | $0 | $336 |
Features Comparison: Cadillac STS vs. Mazda RX-8
| Model Year | 2006 | 2006 | 2006 | 2006 | 2006 |
| Model | STS | STS | STS | RX-8 | RX-8 |
| Trim | V6 | V8 | STS-V | Base (automatic) | Base (manual) |
| Body | 4dr Sedan | 4dr Sedan | 4dr Sedan | 4dr Coupe | 4dr Coupe |
| Transmission and Drivetrain | |||||
| 5-speed manually-shiftable automatic | $1000 | $1000 | |||
| 6-speed manually-shiftable automatic | $1100 | $1100 | |||
| 6-speed manual | $150 | ||||
| RWD | $0 | $0 | $0 | $0 | $0 |
| Accessories | |||||
| Heated steering wheel | $100 | $100 | |||
| Power rear side windows | $200 | $200 | $200 | ||
| Remote start | $150 | $150 | $150 | ||
| Tilt steering wheel, manual | $150 | $150 | |||
| Tilt/telescoping steering wheel, power | $350 | $350 | $350 | ||
| Brakes, Airbags, and Other Safety | |||||
| Brake assist | $50 | $50 | $50 | ||
| Obstacle detection, rear | $250 | $250 | $250 | ||
| Tires, run-flat | $150 | ||||
| Cargo Management | |||||
| Cargo net | $40 | $40 | $40 | $40 | |
| Overhead sunglass holder | $25 | $25 | |||
| Second-row high console | $250 | $250 | |||
| Climate Control | |||||
| Automatic climate control, front | $200 | $200 | $200 | ||
| Dual-zone climate control | $125 | $125 | $125 | ||
| Heated windshield washer nozzles | $15 | ||||
| Rain-sensing wipers | $175 | $175 | $175 | ||
| Rear air vents | $100 | ||||
| Rear air vents with manual controls | $150 | $150 | |||
| Variable intermittent wipers | $75 | $75 | |||
| Water-repellent front-door glass | $15 | $15 | |||
| Drivetrain | |||||
| Limited-slip rear differential | $300 | $300 | $300 | ||
| Exterior | |||||
| Laminated front side windows | $200 | $200 | $200 | ||
| Rear spoiler | $200 | $200 | $200 | ||
| Infotainment | |||||
| Bluetooth cell phone link | $100 | $100 | $100 | ||
| DVD-compatible player | $0 | $0 | $0 | ||
| Satellite radio | $200 | $200 | |||
| Surround sound | $250 | $250 | $250 | ||
| Telematics service, such as OnStar | $200 | $200 | $200 | ||
| Voice control for nav and audio | $100 | $100 | $100 | ||
| Instruments, Lights, and Mirrors | |||||
| Auto-dimming driver-side mirror | $75 | $75 | $75 | ||
| Auto-dimming headlights | $200 | ||||
| Automatic headlights | $125 | $125 | $125 | ||
| Headlight washers | $50 | ||||
| Trip computer | $150 | $150 | $150 | ||
| Turn signals on or near mirrors | $25 | $25 | $25 | ||
| Xenon HID headlights | $500 | $500 | $500 | ||
| Seats and Interior Trim | |||||
| Heated second row seats | $200 | $200 | |||
| Memory system, driver seat | $200 | $200 | $200 | ||
| Power 4-way lumbar adjuster, driver seat | $150 | $150 | $150 | ||
| Power 4-way lumbar adjuster, passenger seat | $150 | $150 | $150 | ||
| Power fore-aft adjuster, passenger seat | $100 | $100 | $100 | ||
| Power height adjuster, passenger seat | $100 | $100 | $100 | ||
| Power lumbar adjuster, driver seat | $100 | $100 | |||
| Power recliner, passenger seat | $100 | $100 | $100 | ||
| Power tilt adjuster, passenger seat | $100 | $100 | $100 | ||
| Synthetic suede inserts in leather seating surfaces | $0 | $0 | $0 | ||
| Upholstered instrument panel, leather | $1000 | ||||
| Wood trim | $300 | $300 | $300 | ||
| Suspension, Wheels, and Tires | |||||
| Auto-leveling rear shocks | $200 | $200 | $200 | ||
| Performance steering system (optional) | $0 | ||||
| Sport suspension (upgrade) | $0 | $0 | $0 | ||
| Transmission | |||||
| Steering-wheel-mounted transmission controls | $100 | ||||
| Total Value of Features | $5,225 | $5,615 | $8,130 | $3,055 | $2,005 |
| Value of Feature Adjustments | $3,220 | $3,610 | $6,125 | $1,050 | $0 |
| Value of Feature Adjustments | -2,940 | -3,307 | -5,682 | -955 | 0 |
Specifications Comparison: Cadillac STS vs. Mazda RX-8
| Model Year | 2006 | 2006 |
| Model | STS | RX-8 |
| Body | 4dr Sedan | 4dr Coupe |
| Wheelbase | 116.4 in | 106.4 in |
| Length | 196.3 in | 174.3 in |
| Width | 72.6 in | 69.7 in |
| Height | 57.6 in | 52.8 in |
| Curb Weight | 3,961 lb. | 3,046 lb. |
| Fuel Capacity | 17.0 gal. | 15.9 gal. |
| Row 1 Headroom | 38.7 in | 38.2 in |
| Row 1 Shoulder Room | 58.6 in | 54.8 in |
| Row 1 Hip Room | 54.6 in | 53.3 in |
| Row 1 Legroom | 42.6 in | 42.7 in |
| Row 2 Headroom | 37.9 in | 36.8 in |
| Row 2 Shoulder Room | 57.4 in | 54.9 in |
| Row 2 Hip Room | 55.6 in | 48.1 in |
| Row 2 Legroom | 38.3 in | 32.2 in |
| Cargo Volume | 13.8 ft3 | 7.6 ft3 |
Option Package Details
Cadillac STS V6
| Preferred Equipment Group 1SB | ||
| Feature | Value | Requested? |
| Wood trim | 300 | No |
| Heated front seats | 200 | Yes |
| CD changer, in-dash | 200 | Yes |
| Power 4-way lumbar adjuster, driver seat | 150 | No |
| Power 4-way lumbar adjuster, passenger seat | 150 | No |
| Rain-sensing wipers | 100 | No |
| Memory system, driver seat | 200 | No |
| Interior air filter | 0 | Yes |
| Polished alloy wheels | 0 | Yes |
| Total Requested | 400 | 31% |
| Total Not Requested | 900 | 69% |
Option Package Details
Cadillac STS V8
| Preferred Equipment Group 1SE | ||
| Feature | Value | Requested? |
| Navigation system | 600 | Yes |
| Heated second row seats | 200 | No |
| Universal garage door opener | 100 | Yes |
| Bluetooth cell phone link | 100 | No |
| Heated steering wheel | 100 | No |
| Interior air filter | 0 | Yes |
| Cargo net | 40 | Yes |
| Surround sound | 250 | No |
| DVD-compatible player | 0 | No |
| Bose, 300W, 15 speakers (with subwoofer) | 350 | No |
| Voice control for nav and audio | 100 | No |
| Rear air vents with manual controls | 50 | No |
| Polished alloy wheels | 0 | Yes |
| Wood trim | 300 | No |
| Heated front seats | 200 | Yes |
| CD changer, in-dash | 200 | Yes |
| Power 4-way lumbar adjuster, driver seat | 150 | No |
| Power 4-way lumbar adjuster, passenger seat | 150 | No |
| Rain-sensing wipers | 100 | No |
| Memory system, driver seat | 200 | No |
| Total Requested | 1140 | 36% |
| Total Not Requested | 2050 | 64% |
Option Package Details
Mazda RX-8 Base (automatic)
| Shinka Package | ||
| Feature | Value | Requested? |
| Leather seating surfaces | 900 | Yes |
| CD changer, in-dash | 200 | Yes |
| Satellite radio | 200 | No |
| Synthetic suede inserts in leather seating surfaces | 0 | Yes |
| Polished alloy wheels | 350 | Yes |
| Paint, special | 0 | No |
| Water-repellent front-door glass | 15 | No |
| Comfort suspension (upgrade) | 0 | No |
| Power lumbar adjuster, driver seat | 100 | Yes |
| Proximity key | 250 | Yes |
| Heated mirrors | 25 | Yes |
| Heated front seats | 200 | Yes |
| Power fore-aft adjuster, driver seat | 100 | Yes |
| Power height adjuster, driver seat | 50 | Yes |
| Power tilt adjuster, driver seat | 100 | Yes |
| Power recliner, driver seat | 100 | Yes |
| Traction control | 100 | Yes |
| Stability control | 400 | Yes |
| Fog lights | 125 | Yes |
| Xenon HID headlights | 500 | Yes |
| Sunroof | 900 | Yes |
| Universal garage door opener | 100 | Yes |
| Auto-dimming rearview mirror | 150 | Yes |
| Bose, 300W, 9 speakers | 350 | No |
| Sport suspension (upgrade) | 250 | Yes |
| Performance braking system (optional) | 250 | No |
| Limited-slip rear differential | 300 | Yes |
| 225/45ZR18 tires | 400 | No |
| Total Requested | 5200 | 81% |
| Total Not Requested | 1215 | 19% |
Option Package Details
Mazda RX-8 Base (manual)
| Shinka Package | ||
| Feature | Value | Requested? |
| Leather seating surfaces | 900 | Yes |
| CD changer, in-dash | 200 | Yes |
| Satellite radio | 200 | No |
| Synthetic suede inserts in leather seating surfaces | 0 | Yes |
| Polished alloy wheels | 350 | Yes |
| Paint, special | 0 | No |
| Water-repellent front-door glass | 15 | No |
| Comfort suspension (upgrade) | 0 | No |
| Power lumbar adjuster, driver seat | 100 | Yes |
| Proximity key | 250 | Yes |
| Heated mirrors | 25 | Yes |
| Heated front seats | 200 | Yes |
| Power fore-aft adjuster, driver seat | 100 | Yes |
| Power height adjuster, driver seat | 50 | Yes |
| Power tilt adjuster, driver seat | 100 | Yes |
| Power recliner, driver seat | 100 | Yes |
| Traction control | 100 | Yes |
| Stability control | 400 | Yes |
| Fog lights | 125 | Yes |
| Xenon HID headlights | 500 | Yes |
| Sunroof | 900 | Yes |
| Universal garage door opener | 100 | Yes |
| Auto-dimming rearview mirror | 150 | Yes |
| Bose, 300W, 9 speakers | 350 | No |
| 225/45ZR18 tires | 400 | No |
| Total Requested | 4650 | 83% |
| Total Not Requested | 965 | 17% |
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See TrueDelta's information for all Sedans
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