Mercedes-Benz SLK Mercedes-Benz SLK 2016 Mazda RX-8 Mazda RX-8 2011

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Mercedes-Benz SLK 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.

Mercedes-Benz SLK vs. Mazda RX-8 Invoice Comparison

Lowest Total Price: $35,450

Mazda RX-8 Grand Touring   
Difference: $22,195

Lowest Total Invoice: $32,713

Mazda RX-8 Grand Touring   
Difference: $20,962

Calculate Payments

  Down Payment Interest Rate Term
Model Year2016201620162011
ModelSLKSLKSLKRX-8
TrimSLK300SLK350AMG SLK55Grand Touring
Body2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.4dr Coupe
Base Price $47,000 $59,200 $72,600 $32,260
Base Invoice $43,710 $55,056 $67,518 $29,878
Premium 1 Package 3,390      
Premium 2 Package 4,490 4,490 3,050  
Metallic paint (extra cost) 720 720 720  
Rear spoiler 350 350    
Leather seating surfaces 770      
Temporary spare tire       395
Navigation system       2,000
Premium 1 Package 3,153      
Premium 2 Package 4,175 4,175 2,837  
Metallic paint (extra cost) 670 670 670  
Rear spoiler 326 326    
Leather seating surfaces 716      
Temporary spare tire       320
Navigation system       1,720
Options (change) 9,720 5,560 3,770 2,395
Options (change) 9,040 5,171 3,507 2,040
Destination 925 925 925 795
Total Price $57,645 $65,685 $77,295 $35,450
Total Invoice $53,675 $61,152 $71,950 $32,713

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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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TrueDelta Value Comparison: Mercedes-Benz SLK vs. Mazda RX-8

Lowest Adjusted Price and Invoice: Mazda RX-8 Grand Touring
TrueDelta Adjusted Price Difference: $11,930
TrueDelta Adjusted Invoice Difference: $11,404
Model Year2016201620162011
ModelSLKSLKSLKRX-8
TrimSLK300SLK350AMG SLK55Grand Touring
Body2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.4dr Coupe
Engine241hp I4302hp V6415hp V8232hp R2
TransmissionT9T7T7M6
DrivetrainRWDRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)500, 11500, 11500, 11300, 9
Tire (rear if not all the same)225/45-17225/40-18235/40-18225/45-18
Total Price$57,645$65,685$77,295$35,450
Adjustments for Features-10,265-10,065-10,7150
Feature-Adjusted Total Price$47,380$55,620$66,580$35,450
Cost Above Minimum$0$8,240$19,200$0
Total Invoice$53,675$61,152$71,950$32,713
Adjustments for Features-9,558-9,370-9,9740
Feature-Adjusted Total Invoice$44,117$51,782$61,976$32,713
Cost Above Minimum$0$7,665$17,859$0

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Features Comparison: Mercedes-Benz SLK vs. Mazda RX-8

Model Year2016201620162011
ModelSLKSLKSLKRX-8
TrimSLK300SLK350AMG SLK55Grand Touring
Body2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.4dr Coupe
Transmission and Drivetrain 
9-speed manually-shiftable automatic$1400   
7-speed manually-shiftable automatic $1200$1200 
6-speed manual   $150
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 
Blind spot warning system$200$200$200 
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$100$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$150$150 
Dual-mode exhaust, switchable  $500 
Exterior 
Body kit $0$0 
Glass roof panel(s)$300$300$300 
Power retractable hardtop$6750$6750$6750 
Sunroof   $900
Infotainment 
App support$0$0$0 
Bluetooth audio streaming$25$25$25 
CD changer, in-dash   $325
CD player$125$125$125 
DVD-compatible player$0$0$0 
HD radio$50$50$50 
In-vehicle Internet$150$150$150 
Media drive$15$15$15 
Navigation map updates, three years$0$0$0 
SD Card slot$25$25$25 
SMS text-to-speech reader$25$25$25 
Telematics service, such as OnStar, with navigation$225$225$225 
Traffic + travel 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$25$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$100 
Total Value of Features$12,840$12,640$13,290$2,575
Value of Feature Adjustments$10,265$10,065$10,715$0
Value of Feature Adjustments-9,558-9,370-9,9740

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Specifications Comparison: Mercedes-Benz SLK vs. Mazda RX-8

Model Year20162011
ModelSLKRX-8
Body2dr Hardtop conv.4dr Coupe
Wheelbase95.7 in106.4 in
Length162.8 in175.6 in
Width71.5 in69.7 in
Height51.2 in52.8 in
Curb Weight3,242 lb.3,065 lb.
Fuel Capacity15.9 gal.15.9 gal.
Row 1 Headroom38.0 in38.2 in
Row 1 Shoulder Room52.2 in54.8 in
Row 1 Hip Room0.0 in53.3 in
Row 1 Legroom42.5 in42.7 in
Row 2 Headroom0.0 in36.8 in
Row 2 Shoulder Room0.0 in54.9 in
Row 2 Hip Room0.0 in48.1 in
Row 2 Legroom0.0 in32.2 in
Cargo Volume,
Minimum
6.4 ft37.6 ft3
Cargo Volume,
Maximum
10.1 ft37.6 ft3

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Option Package Details
Mercedes-Benz SLK SLK300

Premium 1 Package
FeatureValueRequested?
Heated front seats200Yes
Satellite radio200Yes
Surround sound250Yes
Proximity key250Yes
Remote window/roof operation15No
Neck-level heating, front seats150No
iPod integration100No
Harman/Kardon, 500W, 11 speakers (with subwoofer)350No
Total Requested90059%
Total Not Requested61541%
Premium 2 Package
FeatureValueRequested?
Automatic climate control, front200Yes
Dual-zone climate control125No
Analog clock25No
Blind spot warning system200No
Steering-linked headlights150No
Xenon HID headlights500Yes
Headlight washers50No
Auto-dimming headlights200No
DVD-compatible player0No
Media drive15No
Traffic + travel information25No
SD Card slot25No
In-vehicle Internet150No
App support0No
Navigation map updates, three years0No
Navigation system600Yes
Voice control for nav and audio100No
Total Requested130055%
Total Not Requested106545%

Option Package Details
Mercedes-Benz SLK SLK350

Premium 2 Package
FeatureValueRequested?
Automatic climate control, front200Yes
Dual-zone climate control125No
Analog clock25No
Blind spot warning system200No
Steering-linked headlights150No
Xenon HID headlights500Yes
Headlight washers50No
Auto-dimming headlights200No
DVD-compatible player0No
Media drive15No
Traffic + travel information25No
SD Card slot25No
In-vehicle Internet150No
App support0No
Navigation map updates, three years0No
Navigation system600Yes
Voice control for nav and audio100No
Total Requested130055%
Total Not Requested106545%

Option Package Details
Mercedes-Benz SLK AMG SLK55

Premium 2 Package
FeatureValueRequested?
Automatic climate control, front200Yes
Dual-zone climate control125No
Blind spot warning system200No
DVD-compatible player0No
Media drive15No
Traffic + travel information25No
SD Card slot25No
In-vehicle Internet150No
App support0No
Navigation map updates, three years0No
Navigation system600Yes
Voice control for nav and audio100No
Total Requested80056%
Total Not Requested64044%

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