| 1 | 0 | 3 | 4 | 3 | 4 |
Mazda RX-8 vs. Mercedes-Benz SLK 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. Mercedes-Benz SLK Invoice Comparison
Lowest Total Price: $34,995 Mazda RX-8 Manual | |||||
| Difference: $14,560 | |||||
Lowest Total Invoice: $32,114 Mazda RX-8 Manual | |||||
| Difference: $14,039 | |||||
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| Model Year | 2007 | 2007 | 2015 | 2015 | 2015 |
| Model | RX-8 | RX-8 | SLK | SLK | SLK |
| Trim | Automatic | Manual | SLK250 | SLK350 | SLK55 AMG |
| Body | 4dr Coupe | 4dr Coupe | 2dr Hardtop conv. | 2dr Hardtop conv. | 2dr Hardtop conv. |
| Base Price | $26,435 | $26,435 | $43,950 | $57,650 | $70,900 |
| Base Invoice | $24,458 | $24,458 | $40,874 | $53,615 | $65,937 |
| Grand Touring Package | 5,335 | 4,635 | |||
| Rear spoiler | 360 | 360 | 350 | 350 | |
| Navigation system | 2,000 | 2,000 | |||
| Body kit | 970 | 970 | |||
| Becker Map Pilot | 800 | 800 | 800 | ||
| Lighting Package | 1,390 | 1,390 | |||
| Metallic paint (extra cost) | 720 | 720 | 720 | ||
| Proximity key | 650 | 650 | 650 | ||
| Leather seating surfaces | 770 | ||||
| Grand Touring Package | 4,922 | 4,277 | |||
| Rear spoiler | 288 | 288 | 326 | 326 | |
| Navigation system | 1,721 | 1,721 | |||
| Body kit | 775 | 775 | |||
| Becker Map Pilot | 744 | 744 | 744 | ||
| Lighting Package | 1,293 | 1,293 | |||
| Metallic paint (extra cost) | 670 | 670 | 670 | ||
| Proximity key | 605 | 605 | 605 | ||
| Leather seating surfaces | 716 | ||||
| Options (change) | 8,665 | 7,965 | 4,680 | 3,910 | 2,170 |
| Options (change) | 7,706 | 7,061 | 4,354 | 3,638 | 2,019 |
| Destination | 595 | 595 | 925 | 925 | 925 |
| Total Price | $35,695 | $34,995 | $49,555 | $62,485 | $73,995 |
| Total Invoice | $32,759 | $32,114 | $46,153 | $58,178 | $68,881 |
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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 Mercedes-Benz SLK 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. Mercedes-Benz SLK
| Lowest Adjusted Price and Invoice: Mazda RX-8 Automatic | |||||
| TrueDelta Adjusted Price Difference: $6,500 | |||||
| TrueDelta Adjusted Invoice Difference: $6,525 | |||||
| Model Year | 2007 | 2007 | 2015 | 2015 | 2015 |
| Model | RX-8 | RX-8 | SLK | SLK | SLK |
| Trim | Automatic | Manual | SLK250 | SLK350 | SLK55 AMG |
| Body | 4dr Coupe | 4dr Coupe | 2dr Hardtop conv. | 2dr Hardtop conv. | 2dr Hardtop conv. |
| Engine | 212hp R2 | 232hp R2 | 201hp I4 | 302hp V6 | 415hp V8 |
| Transmission | T6 | M6 | M6 | T7 | T7 |
| Drivetrain | RWD | RWD | RWD | RWD | RWD |
| EPA Fuel Economy (city/highway) | / MPG | / MPG | / MPG | / MPG | / MPG |
| Audio (watts, speakers) | 300, 9 | 300, 9 | ?, 8 | ?, 8 | 500, 11 |
| Tire (rear if not all the same) | 225/45-18 | 225/45-18 | 225/45-17 | 225/40-18 | 235/40-18 |
| Total Price | $35,695 | $34,995 | $49,555 | $62,485 | $73,995 |
| Adjustments for Features | -1,050 | 0 | -8,410 | -9,560 | -11,150 |
| Feature-Adjusted Total Price | $34,645 | $34,995 | $41,145 | $52,925 | $62,845 |
| Cost Above Minimum | $0 | $350 | $0 | $11,780 | $21,700 |
| Total Invoice | $32,759 | $32,114 | $46,153 | $58,178 | $68,881 |
| Adjustments for Features | -964 | 0 | -7,833 | -8,901 | -10,379 |
| Feature-Adjusted Total Invoice | $31,795 | $32,114 | $38,320 | $49,277 | $58,502 |
| Cost Above Minimum | $0 | $319 | $0 | $10,957 | $20,182 |
Features Comparison: Mazda RX-8 vs. Mercedes-Benz SLK
| Model Year | 2007 | 2007 | 2015 | 2015 | 2015 |
| Model | RX-8 | RX-8 | SLK | SLK | SLK |
| Trim | Automatic | Manual | SLK250 | SLK350 | SLK55 AMG |
| Body | 4dr Coupe | 4dr Coupe | 2dr Hardtop conv. | 2dr Hardtop conv. | 2dr Hardtop conv. |
| Transmission and Drivetrain | |||||
| 6-speed manually-shiftable automatic | $1100 | ||||
| 6-speed manual | $150 | $150 | |||
| 7-speed manually-shiftable automatic | $1200 | $1200 | |||
| RWD | $0 | $0 | $0 | $0 | $0 |
| Accessories | |||||
| Remote app | $25 | $25 | $25 | ||
| Remote window/roof operation | $15 | ||||
| Tilt steering wheel, manual | $150 | $150 | |||
| Tilt/telescoping steering wheel, power | $350 | $350 | $350 | ||
| Brakes, Airbags, and Other Safety | |||||
| Active or whiplash-reducing head restraints, front seats | $0 | $0 | $0 | ||
| Brake assist | $50 | $50 | $50 | ||
| Driver drowsiness monitor | $150 | $150 | $150 | ||
| Knee airbag, driver | $75 | $75 | $75 | ||
| Knee airbag, passenger | $75 | $75 | $75 | ||
| Roll bar | $200 | $200 | $200 | ||
| Torque vectoring, brake-based | $100 | ||||
| Cargo Management | |||||
| Overhead sunglass holder | $25 | $25 | |||
| Rear seat pass-through | $100 | $100 | |||
| Second-row high console | $250 | $250 | |||
| Climate Control | |||||
| Heated windshield washer nozzles | $15 | $15 | $15 | ||
| Rain-sensing wipers | $175 | $175 | $175 | ||
| Residual heat | $50 | $50 | $50 | ||
| Variable intermittent wipers | $75 | $75 | |||
| Drivetrain | |||||
| Limited-slip rear differential | $300 | $300 | |||
| Engine / Motor | |||||
| Automatic start / stop | $150 | ||||
| Dual-mode exhaust, switchable | $500 | ||||
| Exterior | |||||
| Body kit | $0 | $0 | $0 | $0 | |
| Glass roof panel(s) | $300 | $300 | $300 | ||
| Power retractable hardtop | $6750 | $6750 | $6750 | ||
| Sunroof | $900 | $900 | |||
| Infotainment | |||||
| Aux input | $50 | $50 | $50 | ||
| Bluetooth audio streaming | $25 | $25 | $25 | ||
| Bluetooth cell phone link | $100 | $100 | $100 | ||
| CD changer, in-dash | $325 | $325 | |||
| CD player | $125 | $125 | $125 | ||
| HD radio | $50 | $50 | $50 | ||
| MP3-compatible player | $50 | $50 | $50 | ||
| Satellite radio | $200 | ||||
| SMS text-to-speech reader | $25 | $25 | $25 | ||
| Surround sound | $250 | ||||
| Telematics service, such as OnStar, with navigation | $225 | $225 | $225 | ||
| Traffic information | $25 | $25 | $25 | ||
| Voice control for nav and audio | $100 | $100 | $100 | ||
| Instruments, Lights, and Mirrors | |||||
| Analog clock | $25 | ||||
| Auto-dimming driver-side mirror | $75 | $75 | $75 | ||
| Auto-dimming headlights | $200 | $200 | $200 | ||
| Automatic headlights | $125 | $125 | $125 | ||
| Compass | $0 | $0 | $0 | ||
| Fog light, rear | $100 | $100 | $100 | ||
| Fog lights | $125 | $125 | |||
| Headlight washers | $50 | $50 | $50 | ||
| Illuminated visor mirror, driver | $50 | $50 | |||
| Illuminated visor mirror, passenger | $50 | $50 | |||
| Mirror tilt-down in reverse | $25 | $25 | $25 | ||
| Power-folding mirrors | $50 | $50 | $50 | ||
| Steering-linked headlights | $150 | $150 | $150 | ||
| Trip computer | $150 | $150 | $150 | ||
| Turn signals on or near mirrors | $25 | $25 | $25 | ||
| Visor mirror, driver | $10 | $10 | $10 | ||
| Visor mirror, passenger | $10 | $10 | $10 | ||
| Seats and Interior Trim | |||||
| Aluminum trim | $100 | $100 | $100 | ||
| Center armrest(s), second row | $50 | $50 | |||
| Heated front seats | $200 | $200 | $200 | ||
| Memory system, driver seat | $200 | $200 | $200 | ||
| Memory system, passenger seat | $150 | $150 | $150 | ||
| Neck-level heating, front seats | $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 | $100 | |||
| Power recliner, passenger seat | $100 | $100 | $100 | ||
| Power tilt adjuster, passenger seat | $100 | $100 | $100 | ||
| Synthetic suede inserts in leather seating surfaces | $0 | ||||
| Suspension, Wheels, and Tires | |||||
| Sport suspension (upgrade) | $0 | $0 | $0 | ||
| Transmission | |||||
| Steering-wheel-mounted transmission controls | $100 | $100 | $100 | ||
| Total Value of Features | $3,900 | $2,850 | $11,260 | $12,410 | $14,000 |
| Value of Feature Adjustments | $1,050 | $0 | $8,410 | $9,560 | $11,150 |
| Value of Feature Adjustments | -964 | 0 | -7,833 | -8,901 | -10,379 |
Specifications Comparison: Mazda RX-8 vs. Mercedes-Benz SLK
| Model Year | 2007 | 2015 |
| Model | RX-8 | SLK |
| Body | 4dr Coupe | 2dr Hardtop conv. |
| Wheelbase | 106.4 in | 95.7 in |
| Length | 174.3 in | 162.8 in |
| Width | 69.7 in | 71.5 in |
| Height | 52.8 in | 51.2 in |
| Curb Weight | 3,046 lb. | 3,242 lb. |
| Fuel Capacity | 15.9 gal. | 15.9 gal. |
| Row 1 Headroom | 38.2 in | 38.0 in |
| Row 1 Shoulder Room | 54.8 in | 52.2 in |
| Row 1 Hip Room | 53.3 in | 0.0 in |
| Row 1 Legroom | 42.7 in | 42.5 in |
| Row 2 Headroom | 36.8 in | 0.0 in |
| Row 2 Shoulder Room | 54.9 in | 0.0 in |
| Row 2 Hip Room | 48.1 in | 0.0 in |
| Row 2 Legroom | 32.2 in | 0.0 in |
| Cargo Volume, Minimum | 7.6 ft3 | 6.4 ft3 |
| Cargo Volume, Maximum | 7.6 | 10.1 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 |
| Traction control | 100 | Yes |
| Stability control | 400 | Yes |
| Fog lights | 125 | No |
| Xenon HID headlights | 500 | Yes |
| Sunroof | 900 | No |
| CD changer, in-dash | 200 | No |
| 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 | No |
| 225/45ZR18 tires | 400 | No |
| Total Requested | 3325 | 57% |
| Total Not Requested | 2525 | 43% |
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 | No |
| Xenon HID headlights | 500 | Yes |
| Sunroof | 900 | No |
| CD changer, in-dash | 200 | No |
| 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 | 3075 | 61% |
| Total Not Requested | 1975 | 39% |
Option Package Details
Mercedes-Benz SLK SLK250
| Leather seating surfaces | ||
| Feature | Value | Requested? |
| Leather seating surfaces | 900 | Yes |
| Leather door panel trim | 250 | No |
| No leather in second row | -300 | No |
| Total Requested | 900 | 106% |
| Total Not Requested | -50 | -6% |
| Becker Map Pilot | ||
| Feature | Value | Requested? |
| Navigation system | 600 | Yes |
| Voice control for nav and audio | 100 | No |
| Traffic information | 25 | No |
| Total Requested | 600 | 83% |
| Total Not Requested | 125 | 17% |
| Lighting Package | ||
| Feature | Value | Requested? |
| Steering-linked headlights | 150 | No |
| Xenon HID headlights | 500 | Yes |
| Headlight washers | 50 | No |
| Auto-dimming headlights | 200 | No |
| Total Requested | 500 | 56% |
| Total Not Requested | 400 | 44% |
Option Package Details
Mercedes-Benz SLK SLK350
| Becker Map Pilot | ||
| Feature | Value | Requested? |
| Navigation system | 600 | Yes |
| Voice control for nav and audio | 100 | No |
| Traffic information | 25 | No |
| Total Requested | 600 | 83% |
| Total Not Requested | 125 | 17% |
| Lighting Package | ||
| Feature | Value | Requested? |
| Steering-linked headlights | 150 | No |
| Xenon HID headlights | 500 | Yes |
| Headlight washers | 50 | No |
| Auto-dimming headlights | 200 | No |
| Total Requested | 500 | 56% |
| Total Not Requested | 400 | 44% |
Option Package Details
Mercedes-Benz SLK SLK55 AMG
| Becker Map Pilot | ||
| Feature | Value | Requested? |
| Navigation system | 600 | Yes |
| Voice control for nav and audio | 100 | No |
| Traffic information | 25 | No |
| Total Requested | 600 | 83% |
| Total Not Requested | 125 | 17% |
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