Mazda RX-8 Mazda RX-8 2007 Mercedes-Benz SL Mercedes-Benz SL 2015

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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: $34,025

Mazda RX-8 Manual   
Difference: $114,950

Lowest Total Invoice: $31,339

Mazda RX-8 Manual   
Difference: $107,273

Calculate Payments

  Down Payment Interest Rate Term
Model Year2007200720152015
ModelRX-8RX-8SLSL
TrimAutomaticManualSL63 AMGSL65 AMG
Body4dr Coupe4dr Coupe2dr Hardtop conv.2dr Hardtop conv.
Base Price $26,435 $26,435 $148,050 $215,250
Base Invoice $24,458 $24,458 $137,687 $200,183
Grand Touring Package 5,335 4,635    
Navigation system 2,000 2,000    
Rear spoiler 360 360    
Wood trim     0 0
Grand Touring Package 4,922 4,277    
Navigation system 1,721 1,721    
Rear spoiler 288 288    
Wood trim     0 0
Options (change) 7,695 6,995 0 0
Options (change) 6,931 6,286 0 0
Destination 595 595 925 925
Gas Tax 0 0 0 1,300
Total Price $34,725 $34,025 $148,975 $217,475
Total Invoice $31,984 $31,339 $138,612 $202,408

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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: Mazda RX-8 vs. Mercedes-Benz SL

Lowest Adjusted Price and Invoice: Mazda RX-8 Automatic
TrueDelta Adjusted Price Difference: $94,105
TrueDelta Adjusted Invoice Difference: $87,874
Model Year2007200720152015
ModelRX-8RX-8SLSL
TrimAutomaticManualSL63 AMGSL65 AMG
Body4dr Coupe4dr Coupe2dr Hardtop conv.2dr Hardtop conv.
Engine212hp R2232hp R2577hp V8621hp V12
TransmissionT6M6T7T7
DrivetrainRWDRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)300, 9300, 9600, 11900, 12
Tire (rear if not all the same)225/45-18225/45-18255/35-19255/35-19
Total Price$34,725$34,025$148,975$217,475
Adjustments for Features-1,0500-21,195-28,145
Feature-Adjusted Total Price$33,675$34,025$127,780$189,330
Cost Above Minimum$0$350$0$61,550
Total Invoice$31,984$31,339$138,612$202,408
Adjustments for Features-9670-19,721-26,195
Feature-Adjusted Total Invoice$31,017$31,339$118,891$176,213
Cost Above Minimum$0$322$0$57,322

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

Model Year2007200720152015
ModelRX-8RX-8SLSL
TrimAutomaticManualSL63 AMGSL65 AMG
Body4dr Coupe4dr Coupe2dr Hardtop conv.2dr Hardtop conv.
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100   
6-speed manual $150  
7-speed manually-shiftable automatic  $1200$1200
RWD$0$0$0$0
Accessories 
Adaptive cruise control, all-speed   $850
Cruise control$150$150$150 
Hands-free trunk or liftgate  $100$100
Power door closers   $300
Power trunk closer  $350$350
Remote app  $25$25
Remote window/roof operation  $15$15
Semi-automated parking system  $500$500
Tilt steering wheel, manual$150$150  
Tilt/telescoping steering wheel, power  $350$350
Wind blocker, power small  $300$300
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats  $0$0
Auto-raising roll bars / headrests  $500$500
Automatic braking, high-speed or partial   $200
Automatic braking, low-speed   $200
Blind spot collision prevention   $150
Blind spot warning system   $200
Brake assist  $50$50
Brake- or yaw-sensor-initiated collision preparation system  $0 
Driver drowsiness monitor  $150$150
Forward collision warning   $200
Knee airbag, driver  $75$75
Knee airbag, passenger  $75$75
Lane departure prevention   $150
Lane departure warning   $200
Night vision   $1750
Obstacle detection, front  $150$150
Obstacle detection, rear  $250$250
Radar- or camera-based collision preparation system   $0
Rearview camera  $200$200
Torque vectoring, brake-based  $100$100
Cargo Management 
Air-conditioned storage compartment  $50$50
Overhead sunglass holder$25$25  
Rear seat pass-through$100$100  
Second-row high console$250$250  
Storage compartment under front seat(s)  $50$50
Climate Control 
Adaptive windshield washer system  $0$0
Automatic climate control, front  $200$200
Dual-zone climate control  $125$125
Heated windshield washer nozzles  $15$15
Rain-sensing wipers  $175$175
Residual heat  $50$50
Variable intermittent wipers$75$75  
Wiper de-icer  $25$25
Engine / Motor 
Automatic start / stop  $150$150
Raised top speed limiter  $0$0
Exterior 
Electronically-variable tint, sunroof or glass roof panel   $2000
Glass roof panel(s)  $300$300
Power retractable hardtop  $6750$6750
Sunroof$900$900  
Infotainment 
App support  $0$0
Aux input  $50$50
Bluetooth audio streaming  $25$25
Bluetooth cell phone link  $100$100
CD changer, in-dash$325$325  
CD player  $125$125
DVD-compatible player  $0$0
HD radio  $50$50
In-vehicle Internet  $150$150
iPod integration  $100$100
Media drive  $15$15
MP3-compatible player  $50$50
Navigation map updates, three years  $0$0
Satellite radio  $200$200
SMS text-to-speech reader  $25$25
Surround sound  $250$250
Telematics service, such as OnStar, with navigation  $225$225
Traffic + travel information  $25$25
Voice control for nav and audio  $100$100
Instruments, Lights, and Mirrors 
Auto-dimming driver-side mirror  $75$75
Auto-dimming headlights  $200$200
Automatic headlights  $125$125
Chronometer  $100$100
Cornering lights  $50$50
Fog light, rear  $100$100
Headlight washers  $50$50
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 
Automatic seat bolsters, driver  $300$300
Automatic seat bolsters, front passenger  $300$300
Center armrest(s), second row$50$50  
Cooled or ventilated front seats  $300$300
Illuminated door sill trim plates  $200$200
Leather headliner   $1000
Massage, driver seat  $100$100
Massage, passenger seat  $100$100
Memory system, driver seat  $200$200
Memory system, passenger seat  $150$150
Neck-level heating, front seats  $150$150
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$100  
Power recliner, 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
Upholstered instrument panel, leather  $1000$1000
Wood trim  $300$300
Suspension, Wheels, and Tires 
Adaptive hydraulic struts, auto-leveling and ht. adjustable  $4000$4000
Electronic systems calibration selector  $200$200
Transmission 
Launch control  $100 
Steering-wheel-mounted transmission controls$100 $100$100
Total Value of Features$3,325$2,275$23,470$30,420
Value of Feature Adjustments$1,050$0$21,195$28,145
Value of Feature Adjustments-9670-19,721-26,195

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

Model Year20072015
ModelRX-8SL
Body4dr Coupe2dr Hardtop conv.
Wheelbase106.4 in101.8 in
Length174.3 in181.8 in
Width69.7 in73.9 in
Height52.8 in51.8 in
Curb Weight3,046 lb.3,936 lb.
Fuel Capacity15.9 gal.19.8 gal.
Row 1 Headroom38.2 in39.1 in
Row 1 Shoulder Room54.8 in55.5 in
Row 1 Hip Room53.3 in0.0 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 ft38.5 ft3
Cargo Volume,
Maximum
7.613.5 ft3

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Option Package Details
Mazda RX-8 Automatic

Grand Touring Package
FeatureValueRequested?
Leather seating surfaces900Yes
Heated mirrors25Yes
Heated front seats200Yes
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100Yes
Power recliner, driver seat100Yes
Power lumbar adjuster, driver seat100Yes
Proximity key250Yes
Traction control100Yes
Stability control400Yes
Fog lights125Yes
Xenon HID headlights500Yes
Sunroof900No
CD changer, in-dash200No
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Bose, 300W, 9 speakers350No
Sport suspension (upgrade)250Yes
Performance braking system (optional)250No
Limited-slip rear differential300Yes
225/45ZR18 tires400No
Total Requested375064%
Total Not Requested210036%

Option Package Details
Mazda RX-8 Manual

Grand Touring Package
FeatureValueRequested?
Leather seating surfaces900Yes
Heated mirrors25Yes
Heated front seats200Yes
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100Yes
Power recliner, driver seat100Yes
Power lumbar adjuster, driver seat100Yes
Proximity key250Yes
Traction control100Yes
Stability control400Yes
Fog lights125Yes
Xenon HID headlights500Yes
Sunroof900No
CD changer, in-dash200No
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Bose, 300W, 9 speakers350No
225/45ZR18 tires400No
Total Requested320063%
Total Not Requested185037%

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