| 1 | 0 | 3 | 4 | 3 | 4 |
Mazda RX-8 vs. Kia Optima 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.
Mazda RX-8 vs. Kia Optima Invoice Comparison
Lowest Total Price: $31,235 Kia Optima SX | |||
| Difference: $4,375 | |||
Lowest Total Invoice: $29,093 Kia Optima SX | |||
| Difference: $3,306 | |||
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| Model Year | 2006 | 2017 | 2017 |
| Model | RX-8 | Optima | Optima |
| Trim | Base (manual) | SX | SX Limited |
| Body | 4dr Coupe | 4dr Sedan | 4dr Sedan |
| Base Price | $26,435 | $26,855 | $36,090 |
| Base Invoice | $24,458 | $25,023 | $33,481 |
| Shinka Package | 6,165 | ||
| Rear spoiler | 360 | ||
| Cargo mat | 50 | ||
| Cargo net | 40 | 50 | 50 |
| Navigation system | 2,000 | ||
| SX Base Package | 3,085 | ||
| Universal garage door opener | 350 | 350 | |
| Shinka Package | 5,304 | ||
| Rear spoiler | 288 | ||
| Cargo mat | 36 | ||
| Cargo net | 32 | 42 | 42 |
| Navigation system | 1,721 | ||
| SX Base Package | 2,842 | ||
| Universal garage door opener | 291 | 291 | |
| Options (change) | 8,615 | 3,485 | 400 |
| Options (change) | 7,381 | 3,175 | 333 |
| Destination | 560 | 895 | 895 |
| Total Price | $35,610 | $31,235 | $37,385 |
| Total Invoice | $32,399 | $29,093 | $34,709 |
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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 Mazda RX-8 dealer quotes or Kia Optima 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: Mazda RX-8 vs. Kia Optima
| Lowest Adjusted Price and Invoice: Kia Optima SX | |||
| TrueDelta Adjusted Price Difference: $7,485 | |||
| TrueDelta Adjusted Invoice Difference: $6,203 | |||
| Model Year | 2006 | 2017 | 2017 |
| Model | RX-8 | Optima | Optima |
| Trim | Base (manual) | SX | SX Limited |
| Body | 4dr Coupe | 4dr Sedan | 4dr Sedan |
| Engine | 238hp R2 | 245hp I4 | 245hp I4 |
| Transmission | M6 | T6 | T6 |
| Drivetrain | RWD | FWD | FWD |
| EPA Fuel Economy (city/highway) | 18/24 MPG | 22/31 MPG | 22/31 MPG |
| Audio (watts, speakers) | 300, 9 | ?, 6 | 630, 10 |
| Tire (rear if not all the same) | 225/45-18 | 235/45-18 | 235/45-18 |
| Total Price | $35,610 | $31,235 | $37,385 |
| Adjustments for Features | 0 | -3,110 | -8,135 |
| Feature-Adjusted Total Price | $35,610 | $28,125 | $29,250 |
| Cost Above Minimum | $0 | $0 | $1,125 |
| Total Invoice | $32,399 | $29,093 | $34,709 |
| Adjustments for Features | 0 | -2,897 | -7,553 |
| Feature-Adjusted Total Invoice | $32,399 | $26,196 | $27,156 |
| Cost Above Minimum | $0 | $0 | $960 |
Features Comparison: Mazda RX-8 vs. Kia Optima
| Model Year | 2006 | 2017 | 2017 |
| Model | RX-8 | Optima | Optima |
| Trim | Base (manual) | SX | SX Limited |
| Body | 4dr Coupe | 4dr Sedan | 4dr Sedan |
| Transmission and Drivetrain | |||
| 6-speed manual | $150 | ||
| 6-speed manually-shiftable automatic | $1100 | $1100 | |
| RWD | $0 | ||
| FWD | $0 | $0 | |
| Accessories | |||
| Adaptive cruise control, all-speed | $850 | ||
| Cruise control | $150 | $150 | |
| Heated steering wheel | $100 | $100 | |
| Power rear side windows | $200 | $200 | |
| Proximity trunk or liftgate opener | $125 | $125 | |
| Sunshades, second row | $125 | $125 | |
| Tilt steering wheel, manual | $150 | ||
| Tilt/telescoping steering wheel, manual | $250 | $250 | |
| Brakes, Airbags, and Other Safety | |||
| 911 assist | $25 | $25 | |
| Active or whiplash-reducing head restraints, front seats | $0 | $0 | |
| Around view cameras | $500 | ||
| Automatic braking, high-speed or partial | $200 | ||
| Automatic braking, low-speed | $200 | ||
| Blind spot warning system | $200 | ||
| Brake assist | $50 | $50 | |
| Cross-traffic warning, rear | $100 | ||
| Forward collision warning | $200 | ||
| Knee airbag, driver | $75 | $75 | |
| Lane departure warning | $200 | ||
| Obstacle detection, rear | $250 | ||
| Rearview camera | $200 | ||
| Rollover sensor | $50 | $50 | |
| Vehicle health reports | $0 | $0 | |
| Cargo Management | |||
| Rear seat pass-through | $100 | ||
| Second-row high console | $250 | ||
| Climate Control | |||
| Automatic climate control, front | $200 | $200 | |
| Dual-zone climate control | $125 | $125 | |
| Rear air vents | $100 | $100 | |
| Water-repellent front-door glass | $15 | ||
| Drivetrain | |||
| Limited-slip rear differential | $300 | ||
| Exterior | |||
| Laminated front side windows | $200 | $200 | |
| Painted brake calipers (optional) | $0 | $0 | |
| Panoramic sunroof | $1200 | ||
| Sunroof | $900 | ||
| Infotainment | |||
| Android Auto support | $100 | $100 | |
| App support | $0 | $0 | |
| Apple CarPlay support | $100 | $100 | |
| Aux input | $50 | $50 | |
| Bluetooth audio streaming | $25 | $25 | |
| Bluetooth cell phone link | $100 | $100 | |
| CD changer, in-dash | $325 | ||
| HD radio | $50 | $50 | |
| SMS text-to-speech reader | $25 | $25 | |
| Surround sound | $250 | ||
| Traffic information | $25 | $25 | |
| Voice control for external devices | $0 | $0 | |
| Voice control for nav and audio | $100 | $100 | |
| Wireless charging station | $75 | ||
| Instruments, Lights, and Mirrors | |||
| Approach detection | $25 | $25 | |
| Auto-dimming headlights | $200 | ||
| Automatic headlights | $125 | $125 | |
| Compass | $0 | $0 | |
| Fog lights | $125 | ||
| LED headlights | $1000 | $1000 | |
| Power-folding mirrors | $50 | $50 | |
| Steering-linked headlights | $150 | $150 | |
| Trip computer | $150 | $150 | |
| Turn signals on or near mirrors | $25 | $25 | |
| Xenon HID headlights | $500 | ||
| Seats and Interior Trim | |||
| Cooled or ventilated front seats | $300 | ||
| Folding second row seats | $300 | $300 | |
| Heated second row seats | $200 | ||
| Manual height adjuster, passenger seat | $50 | ||
| Memory system, driver seat | $200 | $200 | |
| Power 4-way lumbar adjuster, driver seat | $150 | $150 | |
| Power fore-aft adjuster, passenger seat | $100 | ||
| Power height adjuster, passenger seat | $100 | ||
| Power lumbar adjuster, driver seat | $100 | ||
| Power lumbar adjuster, passenger seat | $100 | ||
| Power recliner, passenger seat | $100 | ||
| Power tilt adjuster, passenger seat | $100 | ||
| Synthetic suede inserts in leather seating surfaces | $0 | ||
| Suspension, Wheels, and Tires | |||
| Electronic systems calibration selector | $200 | $200 | |
| Machined alloy wheels | $350 | ||
| Performance steering system (optional) | $0 | $0 | |
| Polished alloy wheels | $350 | $350 | |
| Transmission | |||
| Steering-wheel-mounted transmission controls | $100 | $100 | |
| Total Value of Features | $3,415 | $6,525 | $11,550 |
| Value of Feature Adjustments | $0 | $3,110 | $8,135 |
| Value of Feature Adjustments | 0 | -2,897 | -7,553 |
Specifications Comparison: Mazda RX-8 vs. Kia Optima
| Model Year | 2006 | 2017 |
| Model | RX-8 | Optima |
| Body | 4dr Coupe | 4dr Sedan |
| Wheelbase | 106.4 in | 110.4 in |
| Length | 174.3 in | 191.1 in |
| Width | 69.7 in | 73.2 in |
| Height | 52.8 in | 57.7 in |
| Curb Weight | 3,045 lb. | 3,494 lb. |
| Fuel Capacity | 15.9 gal. | 18.5 gal. |
| Row 1 Headroom | 38.2 in | 39.8 in |
| Row 1 Shoulder Room | 54.8 in | 58.1 in |
| Row 1 Hip Room | 53.3 in | 56.0 in |
| Row 1 Legroom | 42.7 in | 45.5 in |
| Row 2 Headroom | 36.8 in | 37.8 in |
| Row 2 Shoulder Room | 54.9 in | 56.4 in |
| Row 2 Hip Room | 48.1 in | 56.0 in |
| Row 2 Legroom | 32.2 in | 35.6 in |
| Cargo Volume | 7.6 ft3 | 15.9 ft3 |
Option Package Details
Mazda RX-8 Base (manual)
| Shinka Package | ||
| Feature | Value | Requested? |
| Leather seating surfaces | 900 | Yes |
| CD changer, in-dash | 200 | No |
| Satellite radio | 200 | Yes |
| Synthetic suede inserts in leather seating surfaces | 0 | No |
| Polished alloy wheels | 350 | Yes |
| Paint, special | 0 | No |
| Water-repellent front-door glass | 15 | No |
| Comfort suspension (upgrade) | 0 | No |
| 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 | No |
| 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 | 4525 | 81% |
| Total Not Requested | 1090 | 19% |
Option Package Details
Kia Optima SX
| Universal garage door opener | ||
| Feature | Value | Requested? |
| Universal garage door opener | 100 | Yes |
| Auto-dimming rearview mirror | 150 | Yes |
| Compass | 0 | No |
| Total Requested | 250 | 100% |
| Total Not Requested | 0 | 0% |
| SX Base Package | ||
| Feature | Value | Requested? |
| Auto-dimming rearview mirror | 150 | Yes |
| Steering-linked headlights | 150 | No |
| Door sill trim plates | 100 | No |
| LED headlights | 1000 | No |
| Traffic information | 25 | No |
| HD radio | 50 | No |
| Navigation system | 600 | Yes |
| Voice control for nav and audio | 100 | No |
| Approach detection | 25 | No |
| Proximity trunk or liftgate opener | 125 | No |
| Proximity key | 250 | Yes |
| Perimeter approach lighting | 25 | No |
| Total Requested | 1000 | 38% |
| Total Not Requested | 1600 | 62% |
Option Package Details
Kia Optima SX Limited
| Universal garage door opener | ||
| Feature | Value | Requested? |
| Universal garage door opener | 100 | Yes |
| Compass | 0 | No |
| Total Requested | 100 | 100% |
| Total Not Requested | 0 | 0% |
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