| 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: $34,515 Mazda RX-8 Manual | |||||
| Difference: $22,720 | |||||
Lowest Total Invoice: $31,746 Mazda RX-8 Manual | |||||
| Difference: $20,764 | |||||
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| Model Year | 2009 | 2009 | 2009 | 2008 | 2008 |
| Model | STS | STS | STS | RX-8 | RX-8 |
| Trim | V6 | V8 | STS-V | Automatic | Manual |
| Body | 4dr Sedan | 4dr Sedan | 4dr Sedan | 4dr Coupe | 4dr Coupe |
| Base Price | $46,410 | $55,910 | $80,160 | $26,435 | $26,435 |
| Base Invoice | $43,393 | $52,276 | $73,448 | $24,458 | $24,458 |
| Preferred Equipment Group 1SC | 8,600 | ||||
| Temporary spare tire | 250 | 395 | 395 | ||
| Sunroof | 1,200 | 1,200 | |||
| Preferred Equipment Group 1SG | 11,940 | ||||
| Grand Touring Package | 5,335 | 4,635 | |||
| Cargo net | 40 | 40 | |||
| Rear spoiler | 360 | 360 | |||
| Navigation system | 2,000 | 2,000 | |||
| Preferred Equipment Group 1SC | 7,138 | ||||
| Temporary spare tire | 208 | 320 | 320 | ||
| Sunroof | 996 | 996 | |||
| Preferred Equipment Group 1SG | 9,910 | ||||
| Grand Touring Package | 4,922 | 4,277 | |||
| Cargo net | 32 | 32 | |||
| Rear spoiler | 288 | 288 | |||
| Navigation system | 1,721 | 1,721 | |||
| Options (change) | 10,050 | 11,940 | 1,200 | 8,130 | 7,430 |
| Options (change) | 8,342 | 9,910 | 996 | 7,283 | 6,638 |
| Destination | 775 | 775 | 775 | 650 | 650 |
| Gas Tax | 0 | 0 | 2,100 | 0 | 0 |
| Total Price | $57,235 | $68,625 | $84,235 | $35,215 | $34,515 |
| Total Invoice | $52,510 | $62,961 | $77,319 | $32,391 | $31,746 |
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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 Automatic | |||||
| TrueDelta Adjusted Price Difference: $17,245 | |||||
| TrueDelta Adjusted Invoice Difference: $15,741 | |||||
| Model Year | 2009 | 2009 | 2009 | 2008 | 2008 |
| Model | STS | STS | STS | RX-8 | RX-8 |
| Trim | V6 | V8 | STS-V | Automatic | Manual |
| Body | 4dr Sedan | 4dr Sedan | 4dr Sedan | 4dr Coupe | 4dr Coupe |
| Engine | 302hp V6 | 320hp V8 | 469hp V8 | 212hp R2 | 232hp R2 |
| Transmission | T6 | T6 | 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) | 235/50-18 | 235/50-18 | 255/45-18 | 225/45-18 | 225/45-18 |
| Total Price | $57,235 | $68,625 | $84,235 | $35,215 | $34,515 |
| Adjustments for Features | -5,750 | -7,250 | -7,465 | -975 | 0 |
| Feature-Adjusted Total Price | $51,485 | $61,375 | $76,770 | $34,240 | $34,515 |
| Cost Above Minimum | $0 | $9,890 | $25,285 | $0 | $275 |
| Total Invoice | $52,510 | $62,961 | $77,319 | $32,391 | $31,746 |
| Adjustments for Features | -5,275 | -6,652 | -6,852 | -897 | 0 |
| Feature-Adjusted Total Invoice | $47,235 | $56,309 | $70,467 | $31,494 | $31,746 |
| Cost Above Minimum | $0 | $9,074 | $23,232 | $0 | $252 |
Features Comparison: Cadillac STS vs. Mazda RX-8
| Model Year | 2009 | 2009 | 2009 | 2008 | 2008 |
| Model | STS | STS | STS | RX-8 | RX-8 |
| Trim | V6 | V8 | STS-V | Automatic | Manual |
| Body | 4dr Sedan | 4dr Sedan | 4dr Sedan | 4dr Coupe | 4dr Coupe |
| Transmission and Drivetrain | |||||
| 6-speed manually-shiftable automatic | $1100 | $1100 | $1100 | $1100 | |
| 6-speed manual | $150 | ||||
| RWD | $0 | $0 | $0 | $0 | $0 |
| Accessories | |||||
| Adaptive cruise control | $600 | ||||
| Cruise control | $150 | $150 | $150 | $150 | |
| Heated steering wheel | $100 | $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 | |||||
| Blind spot warning system | $200 | $200 | |||
| Brake assist | $50 | $50 | $50 | ||
| Lane departure warning | $200 | $200 | |||
| Obstacle detection, rear | $250 | $250 | $250 | ||
| Temporary spare tire | $150 | $150 | $150 | $150 | |
| Tires, run-flat | $150 | ||||
| Cargo Management | |||||
| Overhead sunglass holder | $25 | $25 | |||
| Second-row high console | $250 | $250 | |||
| Climate Control | |||||
| Automatic air recirculation | $100 | $100 | $100 | ||
| 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 with manual controls | $150 | $150 | $150 | ||
| Variable intermittent wipers | $75 | $75 | |||
| Exterior | |||||
| Laminated front side windows | $200 | $200 | $200 | ||
| Infotainment | |||||
| Bluetooth cell phone link | $100 | $100 | $100 | ||
| DVD-compatible player | $0 | $0 | $0 | ||
| Rear seat audio controls | $25 | $25 | $25 | ||
| Satellite radio | $200 | $200 | $200 | ||
| Surround sound | $250 | $250 | $250 | ||
| 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 | $200 | ||
| Automatic headlights | $125 | $125 | $125 | ||
| Head-up display (HUD) | $350 | $350 | |||
| Headlight washers | $50 | $50 | $50 | ||
| Trip computer | $150 | $150 | $150 | ||
| Turn signals on or near mirrors | $25 | $25 | $25 | ||
| Seats and Interior Trim | |||||
| Cooled or ventilated front seats | $300 | $300 | |||
| Heated second row seats | $200 | $200 | $200 | ||
| Leather door panel trim | $250 | ||||
| Leather-wrapped steering wheel | $150 | $150 | $150 | ||
| Memory system, driver seat | $200 | $200 | $200 | ||
| Metal pedals | $75 | ||||
| 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 | ||||
| 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 | $350 | ||
| Auto-leveling rear shocks | $200 | $200 | |||
| Performance steering system (optional) | $0 | $0 | $0 | ||
| Polished alloy wheels | $350 | $350 | |||
| Transmission | |||||
| Steering-wheel-mounted transmission controls | $100 | ||||
| Total Value of Features | $7,375 | $8,875 | $9,090 | $2,600 | $1,625 |
| Value of Feature Adjustments | $5,750 | $7,250 | $7,465 | $975 | $0 |
| Value of Feature Adjustments | -5,275 | -6,652 | -6,852 | -897 | 0 |
Specifications Comparison: Cadillac STS vs. Mazda RX-8
| Model Year | 2009 | 2008 |
| Model | STS | RX-8 |
| Body | 4dr Sedan | 4dr Coupe |
| Wheelbase | 116.4 in | 106.4 in |
| Length | 196.7 in | 174.3 in |
| Width | 72.6 in | 69.7 in |
| Height | 57.6 in | 52.8 in |
| Curb Weight | 3,974 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 1SC | ||
| Feature | Value | Requested? |
| Xenon HID headlights | 500 | Yes |
| Auto-leveling rear shocks | 200 | No |
| Headlight washers | 50 | No |
| 235/50WR18 tires | 200 | No |
| Auto-dimming headlights | 200 | No |
| 255/45WR18 tires | 200 | No |
| Navigation system | 600 | Yes |
| Surround sound | 250 | No |
| 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 |
| Cooled or ventilated front seats | 300 | No |
| Wood/leather-wrapped steering wheel | 0 | No |
| Performance steering system (optional) | 250 | No |
| Sport suspension (upgrade) | 250 | Yes |
| 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 |
| Rain-sensing wipers | 100 | No |
| Memory system, driver seat | 200 | No |
| Heated steering wheel | 100 | No |
| Cargo net | 40 | Yes |
| Wood trim | 300 | No |
| 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 |
| Total Requested | 2390 | 40% |
| Total Not Requested | 3575 | 60% |
Option Package Details
Cadillac STS V8
| Preferred Equipment Group 1SG | ||
| Feature | Value | Requested? |
| Adaptive shocks - electrical | 500 | No |
| Cooled or ventilated front seats | 300 | No |
| Sunroof | 900 | Yes |
| Adaptive cruise control | 450 | No |
| 235/50WR18 tires | 200 | No |
| 255/45WR18 tires | 200 | No |
| Termporary spare tire | 150 | Yes |
| Xenon HID headlights | 500 | Yes |
| Headlight washers | 50 | No |
| Auto-dimming headlights | 200 | No |
| Head-up display (HUD) | 350 | No |
| Lane departure warning system | 200 | No |
| Blind spot warning system | 200 | No |
| Performance steering system (optional) | 250 | No |
| Sport suspension (upgrade) | 250 | Yes |
| 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 |
| Navigation system | 600 | Yes |
| Surround sound | 250 | No |
| 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 | 2900 | 43% |
| Total Not Requested | 3875 | 57% |
Option Package Details
Mazda RX-8 Automatic
| Grand Touring Package | ||
| Feature | Value | Requested? |
| Leather seating surfaces | 900 | 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 |
| Power lumbar adjuster, driver seat | 100 | Yes |
| Proximity key | 250 | Yes |
| Traction control | 100 | Yes |
| Stability control | 400 | Yes |
| Fog lights | 125 | Yes |
| Xenon HID headlights | 500 | Yes |
| Sunroof | 900 | Yes |
| CD changer, in-dash | 200 | 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 | 4850 | 83% |
| Total Not Requested | 1000 | 17% |
Option Package Details
Mazda RX-8 Manual
| Grand Touring Package | ||
| Feature | Value | Requested? |
| Leather seating surfaces | 900 | 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 |
| Power lumbar adjuster, driver seat | 100 | Yes |
| Proximity key | 250 | Yes |
| Traction control | 100 | Yes |
| Stability control | 400 | Yes |
| Fog lights | 125 | Yes |
| Xenon HID headlights | 500 | Yes |
| Sunroof | 900 | Yes |
| CD changer, in-dash | 200 | 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 | 4300 | 85% |
| Total Not Requested | 750 | 15% |
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See TrueDelta's information for all Sedans
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