| 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: $35,095 Mazda RX-8 Grand Touring | ||||
| Difference: $15,075 | ||||
Lowest Total Invoice: $32,425 Mazda RX-8 Grand Touring | ||||
| Difference: $13,794 | ||||
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| Model Year | 2007 | 2007 | 2007 | 2011 |
| Model | STS | STS | STS | RX-8 |
| Trim | V6 | V8 | STS-V | Grand Touring |
| Body | 4dr Sedan | 4dr Sedan | 4dr Sedan | 4dr Coupe |
| Base Price | $42,390 | $51,810 | $73,810 | $32,260 |
| Base Invoice | $39,635 | $48,442 | $67,638 | $29,878 |
| Preferred Equipment Group 1SB | 3,690 | |||
| Navigation system | 2,145 | 2,000 | ||
| Sunroof | 1,200 | 1,200 | 1,200 | |
| Preferred Equipment Group 1SG | 8,190 | |||
| Cargo net | 40 | |||
| Preferred Equipment Group 1SB | 3,063 | |||
| Navigation system | 1,780 | 1,720 | ||
| Sunroof | 996 | 996 | 996 | |
| Preferred Equipment Group 1SG | 6,798 | |||
| Cargo net | 32 | |||
| Options (change) | 7,035 | 9,390 | 1,200 | 2,040 |
| Options (change) | 5,839 | 7,794 | 996 | 1,752 |
| Destination | 745 | 745 | 745 | 795 |
| Gas Tax | 0 | 0 | 2,100 | 0 |
| Total Price | $50,170 | $61,945 | $77,855 | $35,095 |
| Total Invoice | $46,219 | $56,981 | $71,479 | $32,425 |
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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 Grand Touring | ||||
| TrueDelta Adjusted Price Difference: $12,175 | ||||
| TrueDelta Adjusted Invoice Difference: $11,122 | ||||
| Model Year | 2007 | 2007 | 2007 | 2011 |
| Model | STS | STS | STS | RX-8 |
| Trim | V6 | V8 | STS-V | Grand Touring |
| Body | 4dr Sedan | 4dr Sedan | 4dr Sedan | 4dr Coupe |
| Engine | 255hp V6 | 320hp V8 | 469hp V8 | 232hp R2 |
| Transmission | T5 | T6 | T6 | M6 |
| Drivetrain | RWD | RWD | RWD | RWD |
| EPA Fuel Economy (city/highway) | / MPG | / MPG | / MPG | / MPG |
| Audio (watts, speakers) | 300, 15 | 300, 15 | 300, 15 | 300, 9 |
| Tire (rear if not all the same) | 235/50-17 | 235/50-18 | 255/45-18 | 225/45-18 |
| Total Price | $50,170 | $61,945 | $77,855 | $35,095 |
| Adjustments for Features | -2,900 | -4,950 | -5,315 | 0 |
| Feature-Adjusted Total Price | $47,270 | $56,995 | $72,540 | $35,095 |
| Cost Above Minimum | $0 | $9,725 | $25,270 | $0 |
| Total Invoice | $46,219 | $56,981 | $71,479 | $32,425 |
| Adjustments for Features | -2,672 | -4,553 | -4,880 | 0 |
| Feature-Adjusted Total Invoice | $43,547 | $52,428 | $66,599 | $32,425 |
| Cost Above Minimum | $0 | $8,881 | $23,052 | $0 |
Features Comparison: Cadillac STS vs. Mazda RX-8
| Model Year | 2007 | 2007 | 2007 | 2011 |
| Model | STS | STS | STS | RX-8 |
| Trim | V6 | V8 | STS-V | Grand Touring |
| Body | 4dr Sedan | 4dr Sedan | 4dr Sedan | 4dr Coupe |
| Transmission and Drivetrain | ||||
| 5-speed manually-shiftable automatic | $1000 | |||
| 6-speed manually-shiftable automatic | $1100 | $1100 | ||
| 6-speed manual | $150 | |||
| RWD | $0 | $0 | $0 | $0 |
| Accessories | ||||
| Heated steering wheel | $100 | $100 | $100 | |
| Power rear side windows | $200 | $200 | $200 | |
| Remote start | $150 | $150 | $150 | |
| Tilt steering wheel, manual | $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 | ||||
| Overhead sunglass holder | $25 | |||
| Second-row high console | $250 | |||
| Climate Control | ||||
| Dual-zone climate control | $125 | $125 | $125 | |
| Heated windshield washer nozzles | $15 | |||
| Rear air vents with manual controls | $150 | $150 | $150 | |
| Drivetrain | ||||
| Limited-slip rear differential | $300 | $300 | $300 | |
| Exterior | ||||
| Laminated front side windows | $200 | $200 | $200 | |
| Rear spoiler | $200 | $200 | $200 | |
| Infotainment | ||||
| Aux input | $50 | |||
| DVD-compatible player | $0 | $0 | $0 | |
| MP3-compatible player | $50 | |||
| Rear seat audio controls | $25 | $25 | $25 | |
| Telematics service, such as OnStar, with navigation | $225 | $225 | $225 | |
| 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 | $200 | ||
| Headlight washers | $50 | $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 | ||||
| Cooled or ventilated front seats | $300 | $300 | ||
| Heated second row seats | $200 | $200 | $200 | |
| Leather-wrapped steering wheel | $150 | $150 | ||
| 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 | |||
| Power recliner, passenger seat | $100 | $100 | $100 | |
| Power tilt adjuster, passenger seat | $100 | $100 | $100 | |
| Synthetic suede inserts in leather seating surfaces | $0 | |||
| Upholstered instrument panel, leather | $1000 | |||
| Wood trim | $300 | $300 | $300 | |
| Wood/leather-wrapped steering wheel | $150 | $150 | ||
| Suspension, Wheels, and Tires | ||||
| Adaptive dampers - electrical | $500 | |||
| Alloy wheels | $350 | $350 | ||
| Auto-leveling rear shocks | $200 | $200 | ||
| Performance steering system (optional) | $0 | $0 | ||
| Polished alloy wheels | $350 | $350 | ||
| Sport suspension (upgrade) | $0 | $0 | ||
| Total Value of Features | $5,175 | $7,225 | $7,590 | $2,275 |
| Value of Feature Adjustments | $2,900 | $4,950 | $5,315 | $0 |
| Value of Feature Adjustments | -2,672 | -4,553 | -4,880 | 0 |
Specifications Comparison: Cadillac STS vs. Mazda RX-8
| Model Year | 2007 | 2011 |
| Model | STS | RX-8 |
| Body | 4dr Sedan | 4dr Coupe |
| Wheelbase | 116.4 in | 106.4 in |
| Length | 196.3 in | 175.6 in |
| Width | 72.6 in | 69.7 in |
| Height | 57.6 in | 52.8 in |
| Curb Weight | 3,961 lb. | 3,065 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? |
| Cooled or ventilated front seats | 300 | No |
| Wood/leather-wrapped steering wheel | 0 | No |
| Memory system, driver seat | 200 | Yes |
| Heated steering wheel | 100 | No |
| Cargo net | 40 | Yes |
| Wood trim | 300 | No |
| Tire-pressure monitor | 75 | Yes |
| Heated front seats | 200 | Yes |
| Heated second row seats | 200 | No |
| CD changer, in-dash | 200 | Yes |
| Power 4-way lumbar adjuster, driver seat | 150 | No |
| Power 4-way lumbar adjuster, passenger seat | 150 | No |
| Universal garage door opener | 100 | Yes |
| Rain-sensing wipers | 100 | Yes |
| Total Requested | 915 | 43% |
| Total Not Requested | 1200 | 57% |
| Navigation system | ||
| Feature | Value | Requested? |
| Navigation system | 600 | Yes |
| Bluetooth cell phone link | 100 | Yes |
| Surround sound | 250 | Yes |
| DVD-compatible player | 0 | No |
| Rear seat audio controls | 25 | No |
| Bose, 300W, 15 speakers (with subwoofer) | 350 | No |
| Voice control for nav and audio | 100 | No |
| Total Requested | 950 | 67% |
| Total Not Requested | 475 | 33% |
Option Package Details
Cadillac STS V8
| Preferred Equipment Group 1SG | ||
| Feature | Value | Requested? |
| Adaptive shocks - electrical | 500 | No |
| 235/50WR18 tires | 200 | No |
| 255/45WR18 tires | 200 | No |
| Cooled or ventilated front seats | 300 | No |
| Xenon HID headlights | 500 | Yes |
| Headlight washers | 50 | No |
| Auto-dimming headlights | 200 | No |
| Sport suspension (upgrade) | 250 | No |
| Performance braking system (optional) | 250 | No |
| Limited-slip rear differential | 300 | Yes |
| Rear spoiler | 200 | Yes |
| Additional engine cooling | 0 | No |
| Power steering cooler | 0 | No |
| Performance steering system (optional) | 250 | No |
| Navigation system | 600 | Yes |
| Bluetooth cell phone link | 100 | Yes |
| Surround sound | 250 | Yes |
| DVD-compatible player | 0 | No |
| Rear seat audio controls | 25 | No |
| Voice control for nav and audio | 100 | No |
| Bose, 300W, 15 speakers (with subwoofer) | 350 | No |
| Total Requested | 1950 | 42% |
| Total Not Requested | 2675 | 58% |
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See TrueDelta's information for all Sedans
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