Chevrolet Sonic Chevrolet Sonic 2017 Mazda RX-8 Mazda RX-8 2008

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Chevrolet Sonic 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.

Chevrolet Sonic vs. Mazda RX-8 Invoice Comparison

Lowest Total Price: $22,550

Chevrolet Sonic Premier   
Difference: $11,143

Lowest Total Invoice: $21,586

Chevrolet Sonic Premier   
Difference: $9,382

Calculate Payments

  Down Payment Interest Rate Term
Model Year201720082008
ModelSonicRX-8RX-8
TrimPremierAutomaticManual
Body4dr Sedan4dr Coupe4dr Coupe
Base Price $19,720 $26,435 $26,435
Base Invoice $18,931 $24,458 $24,458
RS Package 800    
Cargo net 60 40 40
All-weather floor mats 140 78 78
Sunroof 850    
Metal pedals 105    
Grand Touring Package   5,335 4,635
Body kit   1,100 1,100
Temporary spare tire   395 395
Rear spoiler   360 360
RS Package 728    
Cargo net 55 32 32
All-weather floor mats 127 62 62
Sunroof 774    
Metal pedals 96    
Grand Touring Package   4,922 4,277
Body kit   881 881
Temporary spare tire   320 320
Rear spoiler   288 288
Options (change) 1,955 7,308 6,608
Options (change) 1,780 6,505 5,860
Destination 875 650 650
Total Price $22,550 $34,393 $33,693
Total Invoice $21,586 $31,613 $30,968

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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 Chevrolet Sonic dealer quotes or Mazda RX-8 dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Chevrolet Sonic vs. Mazda RX-8

Lowest Adjusted Price and Invoice: Chevrolet Sonic Premier
TrueDelta Adjusted Price Difference: $10,738
TrueDelta Adjusted Invoice Difference: $9,011
Model Year201720082008
ModelSonicRX-8RX-8
TrimPremierAutomaticManual
Body4dr Sedan4dr Coupe4dr Coupe
Engine138hp I4212hp R2232hp R2
TransmissionM6T6M6
DrivetrainFWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG
Audio (watts, speakers)?, 6300, 9300, 9
Tire (rear if not all the same)205/50-17225/45-18225/45-18
Total Price$22,550$34,393$33,693
Adjustments for Features0-1,105-130
Feature-Adjusted Total Price$22,550$33,288$33,563
Cost Above Minimum$0$0$275
Total Invoice$21,586$31,613$30,968
Adjustments for Features0-1,016-119
Feature-Adjusted Total Invoice$21,586$30,597$30,849
Cost Above Minimum$0$0$252

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Features Comparison: Chevrolet Sonic vs. Mazda RX-8

Model Year201720082008
ModelSonicRX-8RX-8
TrimPremierAutomaticManual
Body4dr Sedan4dr Coupe4dr Coupe
Transmission and Drivetrain 
6-speed manual$150 $150
6-speed manually-shiftable automatic $1100 
FWD$0  
RWD $0$0
Accessories 
Heated steering wheel$100  
Power rear side windows$200  
Remote app$25  
Tilt steering wheel, manual $150$150
Tilt/telescoping steering wheel, manual$250  
Universal garage door opener $100$100
Brakes, Airbags, and Other Safety 
4-wheel disc brakes $150$150
Brake assist$50  
Knee airbag, driver$75  
Knee airbag, passenger$75  
Rear side airbags$300  
Rearview camera$200  
Rollover sensor$50  
Vehicle health reports$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  
Android Auto support$100  
App support$0  
Apple CarPlay support$100  
Aux input$50  
Bluetooth audio streaming$25  
Bluetooth cell phone link$100  
CD changer, in-dash $325$325
Satellite radio$200  
SMS text-to-speech reader$25  
Telematics service, such as OnStar, with navigation$225  
USB port$25  
Voice control for audio system$25  
Voice control for external devices$0  
Wi-Fi hotspot$50  
Instruments, Lights, and Mirrors 
Auto-dimming rearview mirror $150$150
Automatic headlights$125  
Compass$0  
Illuminated visor mirror, driver $50$50
Illuminated visor mirror, passenger $50$50
Trip computer$150  
Visor mirror, driver$10  
Visor mirror, passenger$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  
Folding second row seats$300  
Leather seating surfaces $900$900
Metal pedals$75 $75
Power lumbar adjuster, driver seat $100$100
Power tilt adjuster, driver seat $100$100
Synthetic leather seating surfaces$0  
Synthetic suede inserts in seating surfaces$450  
Upgraded floor mats$0  
Suspension, Wheels, and Tires 
Wheels, dark finish$0  
Transmission 
Steering-wheel-mounted transmission controls $100 
Total Value of Features$3,520$4,625$3,650
Value of Feature Adjustments$0$1,105$130
Value of Feature Adjustments0-1,016-119

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Specifications Comparison: Chevrolet Sonic vs. Mazda RX-8

Model Year20172008
ModelSonicRX-8
Body4dr Sedan4dr Coupe
Wheelbase99.4 in106.4 in
Length173.9 in174.3 in
Width68.3 in69.7 in
Height59.7 in52.8 in
Curb Weight2,774 lb.3,046 lb.
Fuel Capacity12.2 gal.15.9 gal.
Row 1 Headroom38.7 in38.2 in
Row 1 Shoulder Room53.4 in54.8 in
Row 1 Hip Room51.4 in53.3 in
Row 1 Legroom41.8 in42.7 in
Row 2 Headroom37.8 in36.8 in
Row 2 Shoulder Room53.0 in54.9 in
Row 2 Hip Room51.6 in48.1 in
Row 2 Legroom34.6 in32.2 in
Cargo Volume14.9 ft37.6 ft3

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Option Package Details
Chevrolet Sonic Premier

RS Package
FeatureValueRequested?
Sport suspension (upgrade)250Yes
Fog lights125Yes
Body kit0Yes
Rear spoiler200Yes
Special interior trim0No
Synthetic suede inserts in seating surfaces450No
Upgraded floor mats0No
Wheels, dark finish0No
Total Requested57556%
Total Not Requested45044%

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
Fog lights125Yes
Xenon HID headlights500No
Traction control100Yes
Stability control400Yes
Universal garage door opener100No
Auto-dimming rearview mirror150No
Sunroof900Yes
CD changer, in-dash200No
Bose, 300W, 9 speakers350No
Limited-slip rear differential300No
Sport suspension (upgrade)250Yes
Performance braking system (optional)250No
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
Fog lights125Yes
Xenon HID headlights500No
Traction control100Yes
Stability control400Yes
Universal garage door opener100No
Auto-dimming rearview mirror150No
Sunroof900Yes
CD changer, in-dash200No
Bose, 300W, 9 speakers350No
225/45ZR18 tires400No
Total Requested225045%
Total Not Requested280055%

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