| 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: $31,795 Kia Optima SX | |||
| Difference: $320 | |||
Lowest Total Invoice: $29,608 Kia Optima SX | |||
| Difference: $78 | |||
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| Model Year | 2007 | 2007 | 2018 |
| Model | RX-8 | RX-8 | Optima |
| Trim | Automatic | Manual | SX |
| Body | 4dr Coupe | 4dr Coupe | 4dr Sedan |
| Base Price | $26,435 | $26,435 | $30,500 |
| Base Invoice | $24,458 | $24,458 | $28,380 |
| Grand Touring Package | 5,335 | 4,635 | |
| Cargo net | 40 | 40 | 50 |
| Cargo mat | 50 | 50 | |
| Rear spoiler | 360 | 360 | |
| Universal garage door opener | 350 | ||
| Grand Touring Package | 4,922 | 4,277 | |
| Cargo net | 32 | 32 | 42 |
| Cargo mat | 36 | 36 | |
| Rear spoiler | 288 | 288 | |
| Universal garage door opener | 291 | ||
| Options (change) | 5,785 | 5,085 | 400 |
| Options (change) | 5,278 | 4,633 | 333 |
| Destination | 595 | 595 | 895 |
| Total Price | $32,815 | $32,115 | $31,795 |
| Total Invoice | $30,331 | $29,686 | $29,608 |
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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: $5,520 | |||
| TrueDelta Adjusted Invoice Difference: $4,920 | |||
| Model Year | 2007 | 2007 | 2018 |
| Model | RX-8 | RX-8 | Optima |
| Trim | Automatic | Manual | SX |
| Body | 4dr Coupe | 4dr Coupe | 4dr Sedan |
| Engine | 212hp R2 | 232hp R2 | 245hp I4 |
| Transmission | T6 | M6 | T6 |
| Drivetrain | RWD | RWD | FWD |
| EPA Fuel Economy (city/highway) | / MPG | / MPG | / MPG |
| Audio (watts, speakers) | 300, 9 | 300, 9 | ?, 6 |
| Tire (rear if not all the same) | 225/45-18 | 225/45-18 | 235/45-18 |
| Total Price | $32,815 | $32,115 | $31,795 |
| Adjustments for Features | -1,050 | 0 | -5,550 |
| Feature-Adjusted Total Price | $31,765 | $32,115 | $26,245 |
| Cost Above Minimum | $0 | $350 | $0 |
| Total Invoice | $30,331 | $29,686 | $29,608 |
| Adjustments for Features | -971 | 0 | -5,168 |
| Feature-Adjusted Total Invoice | $29,360 | $29,686 | $24,440 |
| Cost Above Minimum | $0 | $326 | $0 |
Features Comparison: Mazda RX-8 vs. Kia Optima
| Model Year | 2007 | 2007 | 2018 |
| Model | RX-8 | RX-8 | Optima |
| Trim | Automatic | Manual | SX |
| Body | 4dr Coupe | 4dr Coupe | 4dr Sedan |
| Transmission and Drivetrain | |||
| 6-speed manually-shiftable automatic | $1100 | $1100 | |
| 6-speed manual | $150 | ||
| RWD | $0 | $0 | |
| FWD | $0 | ||
| Accessories | |||
| Power rear side windows | $200 | ||
| Proximity trunk or liftgate opener | $125 | ||
| Tilt steering wheel, manual | $150 | $150 | |
| Tilt/telescoping steering wheel, manual | $250 | ||
| Brakes, Airbags, and Other Safety | |||
| 911 assist | $25 | ||
| Active or whiplash-reducing head restraints, front seats | $0 | ||
| Blind spot warning system | $200 | ||
| Brake assist | $50 | ||
| Cross-traffic warning, rear | $100 | ||
| Knee airbag, driver | $75 | ||
| Obstacle detection, rear | $250 | ||
| Rearview camera | $200 | ||
| Rollover sensor | $50 | ||
| Vehicle health reports | $0 | ||
| Cargo Management | |||
| Rear seat pass-through | $100 | $100 | |
| Second-row high console | $250 | $250 | |
| Climate Control | |||
| Automatic climate control, front | $200 | ||
| Dual-zone climate control | $125 | ||
| Rear air vents | $100 | ||
| Drivetrain | |||
| Limited-slip rear differential | $300 | $300 | |
| Exterior | |||
| Black exterior trim (optional) | $0 | ||
| Laminated front side windows | $200 | ||
| Painted brake calipers (optional) | $0 | ||
| Panoramic sunroof | $1200 | ||
| Sunroof | $900 | $900 | |
| Infotainment | |||
| Android Auto support | $100 | ||
| App support | $0 | ||
| Apple CarPlay support | $100 | ||
| Aux input | $50 | ||
| Bluetooth audio streaming | $25 | ||
| Bluetooth cell phone link | $100 | ||
| CD changer, in-dash | $325 | $325 | |
| Satellite radio | $200 | ||
| SMS text-to-speech reader | $25 | ||
| Voice control for external devices | $0 | ||
| Instruments, Lights, and Mirrors | |||
| Approach detection | $25 | ||
| Automatic headlights | $125 | ||
| Compass | $0 | ||
| LED headlights | $1000 | ||
| Power-folding mirrors | $50 | ||
| Steering-linked headlights | $150 | ||
| Trip computer | $150 | ||
| Turn signals on or near mirrors | $25 | ||
| Xenon HID headlights | $500 | $500 | |
| Seats and Interior Trim | |||
| Cooled or ventilated front seats | $300 | ||
| Folding second row seats | $300 | ||
| Memory system, driver seat | $200 | ||
| Power 4-way lumbar adjuster, driver seat | $150 | ||
| Power fore-aft adjuster, passenger seat | $100 | ||
| Power height adjuster, passenger seat | $100 | ||
| Power lumbar adjuster, driver seat | $100 | $100 | |
| Power lumbar adjuster, passenger seat | $100 | ||
| Power recliner, passenger seat | $100 | ||
| Power tilt adjuster, passenger seat | $100 | ||
| Suspension, Wheels, and Tires | |||
| Alloy wheels | $350 | $350 | |
| Electronic systems calibration selector | $200 | ||
| Machined alloy wheels | $350 | ||
| Performance steering system (optional) | $0 | ||
| Transmission | |||
| Steering-wheel-mounted transmission controls | $100 | $100 | |
| Total Value of Features | $4,175 | $3,125 | $8,675 |
| Value of Feature Adjustments | $1,050 | $0 | $5,550 |
| Value of Feature Adjustments | -971 | 0 | -5,168 |
Specifications Comparison: Mazda RX-8 vs. Kia Optima
| Model Year | 2007 | 2018 |
| 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 | 3,046 lb. | 3,220 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 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 |
| Fog lights | 125 | Yes |
| Xenon HID headlights | 500 | Yes |
| Traction control | 100 | Yes |
| Stability control | 400 | Yes |
| Universal garage door opener | 100 | Yes |
| Auto-dimming rearview mirror | 150 | Yes |
| Sunroof | 900 | Yes |
| CD changer, in-dash | 200 | No |
| Bose, 300W, 9 speakers | 350 | No |
| Limited-slip rear differential | 300 | No |
| Sport suspension (upgrade) | 250 | Yes |
| Performance braking system (optional) | 250 | No |
| 225/45ZR18 tires | 400 | No |
| Total Requested | 4350 | 74% |
| Total Not Requested | 1500 | 26% |
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 |
| Fog lights | 125 | Yes |
| Xenon HID headlights | 500 | Yes |
| Traction control | 100 | Yes |
| Stability control | 400 | Yes |
| Universal garage door opener | 100 | Yes |
| Auto-dimming rearview mirror | 150 | Yes |
| Sunroof | 900 | Yes |
| CD changer, in-dash | 200 | No |
| Bose, 300W, 9 speakers | 350 | No |
| 225/45ZR18 tires | 400 | No |
| Total Requested | 4100 | 81% |
| Total Not Requested | 950 | 19% |
Option Package Details
Kia Optima SX
| 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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