Mazda RX-8 Mazda RX-8 2008 Chevrolet Sonic Chevrolet Sonic 2018

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Mazda RX-8 vs. Chevrolet Sonic 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. Chevrolet Sonic Invoice Comparison

Lowest Total Price: $20,875

Chevrolet Sonic LT   
Difference: $12,818

Lowest Total Invoice: $19,960

Chevrolet Sonic LT   
Difference: $11,008

Calculate Payments

  Down Payment Interest Rate Term
Model Year2008200820182018
ModelRX-8RX-8SonicSonic
TrimAutomaticManualLTPremier
Body4dr Coupe4dr Coupe4dr Sedan4dr Sedan
Base Price $26,435 $26,435 $17,695 $19,795
Base Invoice $24,458 $24,458 $16,987 $19,003
Grand Touring Package 5,335 4,635    
Temporary spare tire 395 395    
Cargo net 40 40 60 60
All-weather floor mats 78 78 140 140
Body kit 1,100 1,100    
Rear spoiler 360 360    
RS Package     800 800
Convenience Package     650  
Fun & Sun Package     550  
Metal pedals     105 105
Sunroof       850
Grand Touring Package 4,922 4,277    
Temporary spare tire 320 320    
Cargo net 32 32 55 55
All-weather floor mats 62 62 127 127
Body kit 881 881    
Rear spoiler 288 288    
RS Package     728 728
Convenience Package     592  
Fun & Sun Package     500  
Metal pedals     96 96
Sunroof       774
Options (change) 7,308 6,608 2,305 1,955
Options (change) 6,505 5,860 2,098 1,780
Destination 650 650 875 875
Total Price $34,393 $33,693 $20,875 $22,625
Total Invoice $31,613 $30,968 $19,960 $21,658

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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. Chevrolet Sonic

Lowest Adjusted Price and Invoice: Chevrolet Sonic LT
TrueDelta Adjusted Price Difference: $11,963
TrueDelta Adjusted Invoice Difference: $10,224
Model Year2008200820182018
ModelRX-8RX-8SonicSonic
TrimAutomaticManualLTPremier
Body4dr Coupe4dr Coupe4dr Sedan4dr Sedan
Engine212hp R2232hp R2138hp I4138hp I4
TransmissionT6M6M6M6
DrivetrainRWDRWDFWDFWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)300, 9300, 9?, 6?, 6
Tire (rear if not all the same)225/45-18225/45-18205/50-17205/50-17
Total Price$34,393$33,693$20,875$22,625
Adjustments for Features-1,555-58000
Feature-Adjusted Total Price$32,838$33,113$20,875$22,625
Cost Above Minimum$0$275$0$1,750
Total Invoice$31,613$30,968$19,960$21,658
Adjustments for Features-1,429-53300
Feature-Adjusted Total Invoice$30,184$30,435$19,960$21,658
Cost Above Minimum$0$251$0$1,698

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Features Comparison: Mazda RX-8 vs. Chevrolet Sonic

Model Year2008200820182018
ModelRX-8RX-8SonicSonic
TrimAutomaticManualLTPremier
Body4dr Coupe4dr Coupe4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100   
6-speed manual $150$150$150
RWD$0$0  
FWD  $0$0
Accessories 
Heated steering wheel  $100$100
Power rear side windows  $200$200
Remote app  $25$25
Tilt steering wheel, manual$150$150  
Tilt/telescoping steering wheel, manual  $250$250
Universal garage door opener$100$100  
Brakes, Airbags, and Other Safety 
4-wheel disc brakes$150$150  
Brake assist  $50$50
Knee airbag, driver  $75$75
Knee airbag, passenger  $75$75
Rear side airbags  $300$300
Rearview camera  $200$200
Rollover sensor  $50$50
Vehicle health reports  $0$0
Cargo Management 
Overhead sunglass holder$25$25  
Rear seat pass-through$100$100  
Second-row high console$250$250  
Drivetrain 
Limited-slip rear differential$300$300  
Exterior 
Bright-finished exhaust tip(s)$25$25  
Infotainment 
4G LTE connectivity  $0$0
Android Auto support  $100$100
App support  $0$0
Apple CarPlay support  $100$100
Aux input  $50$50
Bluetooth audio streaming  $25$25
Bluetooth cell phone link  $100$100
CD changer, in-dash$325$325  
Satellite radio  $200$200
SMS text-to-speech reader  $25$25
Telematics service, such as OnStar, with navigation  $225$225
USB port  $25$25
Voice control for audio system  $25$25
Voice control for external devices  $0$0
Wi-Fi hotspot  $50$50
Instruments, Lights, and Mirrors 
Auto-dimming rearview mirror$150$150  
Automatic headlights  $125$125
Compass  $0$0
Illuminated visor mirror, driver$50$50  
Illuminated visor mirror, passenger$50$50  
Trip computer  $150$150
Visor mirror, driver  $10$10
Visor mirror, passenger  $10$10
Xenon HID headlights$500$500  
Seats and Interior Trim 
Center armrest(s), second row$50$50  
Door sill trim plates$100$100  
Floor mats, second row (optional)  $0$0
Folding second row seats  $300$300
Leather seating surfaces$900$900  
Metal pedals $75$75$75
Power lumbar adjuster, driver seat$100$100  
Power tilt adjuster, driver seat$100$100  
Synthetic leather seating surfaces   $0
Upgraded floor mats  $0$0
Suspension, Wheels, and Tires 
Wheels, dark finish  $0$0
Transmission 
Steering-wheel-mounted transmission controls$100   
Total Value of Features$4,625$3,650$3,070$3,070
Value of Feature Adjustments$1,555$580$0$0
Value of Feature Adjustments-1,429-53300

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Specifications Comparison: Mazda RX-8 vs. Chevrolet Sonic

Model Year20082018
ModelRX-8Sonic
Body4dr Coupe4dr Sedan
Wheelbase106.4 in99.4 in
Length174.3 in173.9 in
Width69.7 in68.3 in
Height52.8 in59.7 in
Curb Weight3,046 lb.2,774 lb.
Fuel Capacity15.9 gal.12.2 gal.
Row 1 Headroom38.2 in38.7 in
Row 1 Shoulder Room54.8 in53.4 in
Row 1 Hip Room53.3 in51.4 in
Row 1 Legroom42.7 in41.8 in
Row 2 Headroom36.8 in37.8 in
Row 2 Shoulder Room54.9 in53.0 in
Row 2 Hip Room48.1 in51.6 in
Row 2 Legroom32.2 in34.6 in
Cargo Volume7.6 ft314.9 ft3

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Option Package Details
Mazda RX-8 Automatic

Grand Touring Package
FeatureValueRequested?
Leather seating surfaces900No
Heated mirrors25Yes
Heated front seats200Yes
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100No
Power recliner, driver seat100Yes
Power lumbar adjuster, driver seat100No
Proximity key250Yes
Traction control100Yes
Stability control400Yes
Fog lights125Yes
Xenon HID headlights500No
Sunroof900Yes
CD changer, in-dash200No
Universal garage door opener100No
Auto-dimming rearview mirror150No
Bose, 300W, 9 speakers350No
Sport suspension (upgrade)250Yes
Performance braking system (optional)250No
Limited-slip rear differential300No
225/45ZR18 tires400No
Total Requested250043%
Total Not Requested335057%

Option Package Details
Mazda RX-8 Manual

Grand Touring Package
FeatureValueRequested?
Leather seating surfaces900No
Heated mirrors25Yes
Heated front seats200Yes
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100No
Power recliner, driver seat100Yes
Power lumbar adjuster, driver seat100No
Proximity key250Yes
Traction control100Yes
Stability control400Yes
Fog lights125Yes
Xenon HID headlights500No
Sunroof900Yes
CD changer, in-dash200No
Universal garage door opener100No
Auto-dimming rearview mirror150No
Bose, 300W, 9 speakers350No
225/45ZR18 tires400No
Total Requested225045%
Total Not Requested280055%

Option Package Details
Chevrolet Sonic LT

RS Package
FeatureValueRequested?
Fog lights125Yes
Leather-wrapped steering wheel150Yes
Body kit0Yes
Rear spoiler200Yes
205/55HR16 tires400No
Special interior trim0No
Upgraded floor mats0No
Total Requested47554%
Total Not Requested40046%
Convenience Package
FeatureValueRequested?
Heated front seats200Yes
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power recliner, driver seat100Yes
Leather-wrapped steering wheel150Yes
Heated steering wheel100No
Upgraded instruments0No
Proximity key250Yes
Total Requested85089%
Total Not Requested10011%
Fun & Sun Package
FeatureValueRequested?
Sport suspension (upgrade)250Yes
Wheels, dark finish0No
Sunroof900Yes
205/50HR17 tires400No
turbocharged
1.4L I4
DOHC-4v
138 hp@4900
148 lb-ft@1850
1000No
Total Requested115045%
Total Not Requested140055%

Option Package Details
Chevrolet Sonic Premier

RS Package
FeatureValueRequested?
Sport suspension (upgrade)250Yes
Fog lights125Yes
Body kit0Yes
Rear spoiler200Yes
Special interior trim0No
Upgraded floor mats0No
Wheels, dark finish0No
Total Requested575100%
Total Not Requested00%

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