Mazda RX-8 Mazda RX-8 2011 Mercedes-Benz SL Mercedes-Benz SL 2012

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Mazda RX-8 vs. Mercedes-Benz SL 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.

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

Lowest Total Price: $35,450

Mazda RX-8 Grand Touring   
Difference: $70,375

Lowest Total Invoice: $32,713

Mazda RX-8 Grand Touring   
Difference: $65,857

Calculate Payments

  Down Payment Interest Rate Term
Model Year201120122012
ModelRX-8SLSL
TrimGrand TouringSL550SL63 AMG
Body4dr Coupe2dr Hardtop conv.2dr Hardtop conv.
Base Price $32,260 $103,650 $140,440
Base Invoice $29,878 $96,395 $130,609
Temporary spare tire 395    
Navigation system 2,000    
Wood trim     0
Temporary spare tire 320    
Navigation system 1,720    
Wood trim     0
Options (change) 2,395 0 0
Options (change) 2,040 0 0
Destination 795 875 875
Gas Tax 0 1,300 2,600
Total Price $35,450 $105,825 $143,915
Total Invoice $32,713 $98,570 $134,084

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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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Request free, no-obligation Mazda RX-8 dealer quotes or Mercedes-Benz SL dealer quotes from dealers using our car quote form.

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

Lowest Adjusted Price and Invoice: Mazda RX-8 Grand Touring
TrueDelta Adjusted Price Difference: $54,805
TrueDelta Adjusted Invoice Difference: $51,354
Model Year201120122012
ModelRX-8SLSL
TrimGrand TouringSL550SL63 AMG
Body4dr Coupe2dr Hardtop conv.2dr Hardtop conv.
Engine232hp R2382hp V8518hp V8
TransmissionM6T7T7
DrivetrainRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG
Audio (watts, speakers)300, 9510, 10510, 10
Tire (rear if not all the same)225/45-18255/40-18255/35-19
Total Price$35,450$105,825$143,915
Adjustments for Features0-15,570-16,620
Feature-Adjusted Total Price$35,450$90,255$127,295
Cost Above Minimum$0$0$37,040
Total Invoice$32,713$98,570$134,084
Adjustments for Features0-14,503-15,485
Feature-Adjusted Total Invoice$32,713$84,067$118,599
Cost Above Minimum$0$0$34,532

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

Model Year201120122012
ModelRX-8SLSL
TrimGrand TouringSL550SL63 AMG
Body4dr Coupe2dr Hardtop conv.2dr Hardtop conv.
Transmission and Drivetrain 
6-speed manual$150  
7-speed manually-shiftable automatic $1200$1200
RWD$0$0$0
Accessories 
Power trunk closer $350$350
Remote window/roof operation $15$15
Tilt steering wheel, manual$150  
Tilt/telescoping steering wheel, power $350$350
Wind blocker, small $100$100
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats $0$0
Auto-raising roll bars / headrests $500$500
Brake assist $50$50
Knee airbag, driver $75$75
Side curtain airbags$350  
Cargo Management 
Air-conditioned storage compartment $50$50
Overhead sunglass holder$25  
Rear seat pass-through$100  
Second-row high console$250  
Storage compartment under front seat(s) $50$50
Climate Control 
Automatic air recirculation $100$100
Dual-zone climate control $125$125
Heated windshield washer nozzles $15$15
Residual heat $50$50
Wiper de-icer $25$25
Drivetrain 
Limited-slip rear differential$300  
Exterior 
Body kit  $0
Power retractable hardtop $6750$6750
Rear spoiler$200  
Sunroof$900  
Infotainment 
DVD-compatible player $0$0
HD radio $50$50
iPod integration $100$100
Media drive $15$15
SD Card slot $25$25
Telematics service, such as OnStar $200$200
Traffic information $25$25
Voice control for nav and audio $100$100
Instruments, Lights, and Mirrors 
Auto-dimming driver-side mirror $75$75
Cornering lights $50$50
Fog light, rear $100$100
Headlight washers $50$50
Interior ambient lighting $150$150
Mirror tilt-down in reverse $25$25
Steering-linked headlights $150$150
Trip computer $150$150
Turn signals on or near mirrors $25$25
Seats and Interior Trim 
Center armrest(s), second row$50  
Cooled or ventilated front seats $300$300
Leather door panel trim $250$250
Leather-wrapped steering wheel$150$150 
Massage, driver seat  $100
Massage, passenger seat  $100
Memory system, passenger seat $150$150
Neck-level heating, front seats $150$150
No leather in second row $-300$-300
Power 4-way lumbar adjuster, driver seat $150$150
Power 4-way lumbar adjuster, passenger seat $150$150
Power fore-aft adjuster, passenger seat $100$100
Power headrest height adjuster, driver seat $50$50
Power headrest height adjuster, passenger seat $50$50
Power height adjuster, passenger seat $100$100
Power lumbar adjuster, driver seat$100  
Power recliner, passenger seat $100$100
Power seatback bolsters, driver seat $100$100
Power seatback bolsters, passenger seat $100$100
Power thigh support length adjuster, driver seat $100$100
Power thigh support length adjuster, passenger seat $100$100
Power tilt adjuster, passenger seat $100$100
Synthetic suede headliner  $650
Synthetic suede steering wheel  $150
Upholstered instrument panel, leather $1000$1000
Wood trim $300$300
Suspension, Wheels, and Tires 
Adaptive hydraulic struts, auto-leveling and ht. adjustable $4000$4000
Sport suspension (upgrade)  $0
Transmission 
Launch control  $100
Steering-wheel-mounted transmission controls  $100
Total Value of Features$2,725$18,295$19,345
Value of Feature Adjustments$0$15,570$16,620
Value of Feature Adjustments0-14,503-15,485

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

Model Year20112012
ModelRX-8SL
Body4dr Coupe2dr Hardtop conv.
Wheelbase106.4 in100.8 in
Length175.6 in180.4 in
Width69.7 in71.5 in
Height52.8 in51.1 in
Curb Weight3,065 lb.4,221 lb.
Fuel Capacity15.9 gal.21.1 gal.
Row 1 Headroom38.2 in37.7 in
Row 1 Shoulder Room54.8 in54.0 in
Row 1 Hip Room53.3 in53.9 in
Row 1 Legroom42.7 in42.9 in
Row 2 Headroom36.8 in0.0 in
Row 2 Shoulder Room54.9 in0.0 in
Row 2 Hip Room48.1 in0.0 in
Row 2 Legroom32.2 in0.0 in
Cargo Volume,
Minimum
7.6 ft37.2 ft3
Cargo Volume,
Maximum
7.610.2 ft3

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