| 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: $34,495 Mazda RX-8 Grand Touring | ||||
| Difference: $18,410 | ||||
Lowest Total Invoice: $31,735 Mazda RX-8 Grand Touring | ||||
| Difference: $17,534 | ||||
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| Model Year | 2009 | 2015 | 2015 | 2015 |
| Model | RX-8 | SLK | SLK | SLK |
| Trim | Grand Touring | SLK250 | SLK350 | SLK55 AMG |
| Body | 4dr Coupe | 2dr Hardtop conv. | 2dr Hardtop conv. | 2dr Hardtop conv. |
| Base Price | $31,000 | $43,950 | $57,650 | $70,900 |
| Base Invoice | $28,681 | $40,874 | $53,615 | $65,937 |
| Temporary spare tire | 395 | |||
| Navigation system | 2,000 | |||
| Satellite radio | 430 | |||
| Becker Map Pilot | 800 | 800 | 800 | |
| Lighting Package | 1,390 | 1,390 | ||
| Premium 1 Package | 2,590 | 2,590 | ||
| Metallic paint (extra cost) | 720 | 720 | 720 | |
| Rear spoiler | 350 | 350 | ||
| Proximity key | 650 | 650 | 650 | |
| Automatic climate control, front | 760 | 760 | 760 | |
| Leather seating surfaces | 770 | |||
| Temporary spare tire | 320 | |||
| Navigation system | 1,720 | |||
| Satellite radio | 344 | |||
| Becker Map Pilot | 744 | 744 | 744 | |
| Lighting Package | 1,293 | 1,293 | ||
| Premium 1 Package | 2,409 | 2,409 | ||
| Metallic paint (extra cost) | 670 | 670 | 670 | |
| Rear spoiler | 326 | 326 | ||
| Proximity key | 605 | 605 | 605 | |
| Automatic climate control, front | 707 | 707 | 707 | |
| Leather seating surfaces | 716 | |||
| Options (change) | 2,825 | 8,030 | 7,260 | 2,930 |
| Options (change) | 2,384 | 7,470 | 6,754 | 2,726 |
| Destination | 670 | 925 | 925 | 925 |
| Total Price | $34,495 | $52,905 | $65,835 | $74,755 |
| Total Invoice | $31,735 | $49,269 | $61,294 | $69,588 |
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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 Grand Touring | ||||
| TrueDelta Adjusted Price Difference: $9,260 | ||||
| TrueDelta Adjusted Invoice Difference: $9,013 | ||||
| Model Year | 2009 | 2015 | 2015 | 2015 |
| Model | RX-8 | SLK | SLK | SLK |
| Trim | Grand Touring | SLK250 | SLK350 | SLK55 AMG |
| Body | 4dr Coupe | 2dr Hardtop conv. | 2dr Hardtop conv. | 2dr Hardtop conv. |
| Engine | 232hp R2 | 201hp I4 | 302hp V6 | 415hp V8 |
| Transmission | M6 | M6 | T7 | T7 |
| Drivetrain | RWD | RWD | RWD | RWD |
| EPA Fuel Economy (city/highway) | / MPG | / MPG | / MPG | / MPG |
| Audio (watts, speakers) | 300, 9 | 500, 11 | 500, 11 | 500, 11 |
| Tire (rear if not all the same) | 225/45-18 | 225/45-17 | 225/40-18 | 235/40-18 |
| Total Price | $34,495 | $52,905 | $65,835 | $74,755 |
| Adjustments for Features | 0 | -9,150 | -10,300 | -11,225 |
| Feature-Adjusted Total Price | $34,495 | $43,755 | $55,535 | $63,530 |
| Cost Above Minimum | $0 | $0 | $11,780 | $19,775 |
| Total Invoice | $31,735 | $49,269 | $61,294 | $69,588 |
| Adjustments for Features | 0 | -8,521 | -9,590 | -10,449 |
| Feature-Adjusted Total Invoice | $31,735 | $40,748 | $51,704 | $59,139 |
| Cost Above Minimum | $0 | $0 | $10,956 | $18,391 |
Features Comparison: Mazda RX-8 vs. Mercedes-Benz SLK
| Model Year | 2009 | 2015 | 2015 | 2015 |
| Model | RX-8 | SLK | SLK | SLK |
| Trim | Grand Touring | SLK250 | SLK350 | SLK55 AMG |
| Body | 4dr Coupe | 2dr Hardtop conv. | 2dr Hardtop conv. | 2dr Hardtop conv. |
| Transmission and Drivetrain | ||||
| 6-speed manual | $150 | $150 | ||
| 7-speed manually-shiftable automatic | $1200 | $1200 | ||
| RWD | $0 | $0 | $0 | $0 |
| Accessories | ||||
| Remote app | $25 | $25 | $25 | |
| Remote window/roof operation | $15 | $15 | $15 | |
| Tilt steering wheel, manual | $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 | |||
| Rear seat pass-through | $100 | |||
| Second-row high console | $250 | |||
| Climate Control | ||||
| Dual-zone climate control | $125 | $125 | $125 | |
| Heated windshield washer nozzles | $15 | $15 | $15 | |
| Residual heat | $50 | $50 | $50 | |
| Drivetrain | ||||
| Limited-slip rear differential | $300 | |||
| Engine / Motor | ||||
| Automatic start / stop | $150 | |||
| Dual-mode exhaust, switchable | $500 | |||
| Exterior | ||||
| Body kit | $0 | $0 | ||
| Glass roof panel(s) | $300 | $300 | $300 | |
| Power retractable hardtop | $6750 | $6750 | $6750 | |
| Infotainment | ||||
| Bluetooth audio streaming | $25 | $25 | $25 | |
| CD changer, in-dash | $325 | |||
| CD player | $125 | $125 | $125 | |
| HD radio | $50 | $50 | $50 | |
| SMS text-to-speech reader | $25 | $25 | $25 | |
| Telematics service, such as OnStar, with navigation | $225 | $225 | $225 | |
| Traffic information | $25 | $25 | $25 | |
| USB port | $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 | |
| Compass | $0 | $0 | $0 | |
| Fog light, rear | $100 | $100 | $100 | |
| Fog lights | $125 | |||
| Headlight washers | $50 | $50 | $50 | |
| Illuminated visor mirror, driver | $50 | |||
| Illuminated visor mirror, passenger | $50 | |||
| Interior ambient lighting | $150 | |||
| 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 | |||
| Leather door panel trim | $250 | $250 | $250 | |
| Memory system, passenger seat | $150 | $150 | $150 | |
| Neck-level heating, front seats | $150 | $150 | $150 | |
| No leather in second row | $-300 | $-300 | $-300 | |
| 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 | |||
| Suspension, Wheels, and Tires | ||||
| Sport suspension (upgrade) | $0 | |||
| Transmission | ||||
| Steering-wheel-mounted transmission controls | $100 | $100 | ||
| Total Value of Features | $1,675 | $10,825 | $11,975 | $12,900 |
| Value of Feature Adjustments | $0 | $9,150 | $10,300 | $11,225 |
| Value of Feature Adjustments | 0 | -8,521 | -9,590 | -10,449 |
Specifications Comparison: Mazda RX-8 vs. Mercedes-Benz SLK
| Model Year | 2009 | 2015 |
| Model | RX-8 | SLK |
| Body | 4dr Coupe | 2dr Hardtop conv. |
| Wheelbase | 106.4 in | 95.7 in |
| Length | 175.6 in | 162.8 in |
| Width | 69.7 in | 71.5 in |
| Height | 52.8 in | 51.2 in |
| Curb Weight | 3,065 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
Mercedes-Benz SLK SLK250
| Automatic climate control, front | ||
| Feature | Value | Requested? |
| Automatic climate control, front | 200 | Yes |
| Dual-zone climate control | 125 | No |
| Total Requested | 200 | 62% |
| Total Not Requested | 125 | 38% |
| 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% |
| Premium 1 Package | ||
| Feature | Value | Requested? |
| Heated front seats | 200 | Yes |
| Satellite radio | 200 | Yes |
| Surround sound | 250 | Yes |
| Remote window/roof operation | 15 | No |
| Neck-level heating, front seats | 150 | No |
| iPod integration | 100 | No |
| Harman/Kardon, 500W, 11 speakers (with subwoofer) | 350 | No |
| Total Requested | 650 | 51% |
| Total Not Requested | 615 | 49% |
Option Package Details
Mercedes-Benz SLK SLK350
| Automatic climate control, front | ||
| Feature | Value | Requested? |
| Automatic climate control, front | 200 | Yes |
| Dual-zone climate control | 125 | No |
| Total Requested | 200 | 62% |
| Total Not Requested | 125 | 38% |
| 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% |
| Premium 1 Package | ||
| Feature | Value | Requested? |
| Heated front seats | 200 | Yes |
| Satellite radio | 200 | Yes |
| Surround sound | 250 | Yes |
| Remote window/roof operation | 15 | No |
| Neck-level heating, front seats | 150 | No |
| iPod integration | 100 | No |
| Harman/Kardon, 500W, 11 speakers (with subwoofer) | 350 | No |
| Total Requested | 650 | 51% |
| Total Not Requested | 615 | 49% |
Option Package Details
Mercedes-Benz SLK SLK55 AMG
| Automatic climate control, front | ||
| Feature | Value | Requested? |
| Automatic climate control, front | 200 | Yes |
| Dual-zone climate control | 125 | No |
| Total Requested | 200 | 62% |
| Total Not Requested | 125 | 38% |
| 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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