Chevrolet Sonic Chevrolet Sonic 2018 Mazda RX-8 Mazda RX-8 2011

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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: $20,325

Chevrolet Sonic LT   
Difference: $13,243

Lowest Total Invoice: $19,460

Chevrolet Sonic LT   
Difference: $11,627

Calculate Payments

  Down Payment Interest Rate Term
Model Year201820182011
ModelSonicSonicRX-8
TrimLTPremierGrand Touring
Body4dr Sedan4dr Sedan4dr Coupe
Base Price $17,695 $19,795 $32,260
Base Invoice $16,987 $19,003 $29,878
Convenience Package 650    
RS Package 800 800  
Metal pedals 105 105  
Cargo net 60 60 40
All-weather floor mats 140 140 78
Sunroof   850  
Temporary spare tire     395
Convenience Package 592    
RS Package 728 728  
Metal pedals 96 96  
Cargo net 55 55 32
All-weather floor mats 127 127 62
Sunroof   774  
Temporary spare tire     320
Options (change) 1,755 1,955 513
Options (change) 1,598 1,780 414
Destination 875 875 795
Total Price $20,325 $22,625 $33,568
Total Invoice $19,460 $21,658 $31,087

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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 LT
TrueDelta Adjusted Price Difference: $10,488
TrueDelta Adjusted Invoice Difference: $9,076
Model Year201820182011
ModelSonicSonicRX-8
TrimLTPremierGrand Touring
Body4dr Sedan4dr Sedan4dr Coupe
Engine138hp I4138hp I4232hp R2
TransmissionM6M6M6
DrivetrainFWDFWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG
Audio (watts, speakers)?, 6?, 6300, 9
Tire (rear if not all the same)205/55-16205/50-17225/45-18
Total Price$20,325$22,625$33,568
Adjustments for Features0-900-2,755
Feature-Adjusted Total Price$20,325$21,725$30,813
Cost Above Minimum$0$1,400$0
Total Invoice$19,460$21,658$31,087
Adjustments for Features0-862-2,551
Feature-Adjusted Total Invoice$19,460$20,796$28,536
Cost Above Minimum$0$1,336$0

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Features Comparison: Chevrolet Sonic vs. Mazda RX-8

Model Year201820182011
ModelSonicSonicRX-8
TrimLTPremierGrand Touring
Body4dr Sedan4dr Sedan4dr Coupe
Transmission and Drivetrain 
6-speed manual$150$150$150
FWD$0$0 
RWD  $0
Accessories 
Heated steering wheel$100$100 
Power rear side windows$200$200 
Remote app$25$25 
Tilt steering wheel, manual  $150
Tilt/telescoping steering wheel, manual$250$250 
Universal garage door opener  $100
Brakes, Airbags, and Other Safety 
4-wheel disc brakes  $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
Rear seat pass-through  $100
Second-row high console  $250
Climate Control 
Automatic climate control, front  $200
Rain-sensing wipers  $175
Variable intermittent wipers$75$75 
Drivetrain 
Limited-slip rear differential  $300
Exterior 
Body kit$0$0 
Bright-finished exhaust tip(s)  $25
Sunroof $900$900
Infotainment 
4G LTE connectivity$0$0 
Android Auto support$100$100 
App support$0$0 
Apple CarPlay support$100$100 
Bluetooth audio streaming$25$25 
CD changer, in-dash  $325
MP3-compatible player  $50
SMS text-to-speech reader$25$25 
Surround sound  $250
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
Compass$0$0 
Illuminated visor mirror, driver  $50
Illuminated visor mirror, passenger  $50
Trip computer$150$150 
Visor mirror, driver$10$10 
Visor mirror, passenger$10$10 
Xenon HID headlights  $500
Seats and Interior Trim 
Center armrest(s), second row  $50
Door sill trim plates  $100
Floor mats, second row (optional)$0$0 
Folding second row seats$300$300 
Leather seating surfaces  $900
Memory system, driver seat  $200
Power lumbar adjuster, driver seat  $100
Power tilt adjuster, driver seat  $100
Synthetic leather seating surfaces $0 
Upgraded floor mats$0$0 
Suspension, Wheels, and Tires 
Sport suspension (upgrade) $0 
Wheels, dark finish $0 
Total Value of Features$2,595$3,495$5,350
Value of Feature Adjustments$0$900$2,755
Value of Feature Adjustments0-862-2,551

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Specifications Comparison: Chevrolet Sonic vs. Mazda RX-8

Model Year20182011
ModelSonicRX-8
Body4dr Sedan4dr Coupe
Wheelbase99.4 in106.4 in
Length173.9 in175.6 in
Width68.3 in69.7 in
Height59.7 in52.8 in
Curb Weight2,774 lb.3,065 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 LT

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%
RS Package
FeatureValueRequested?
Fog lights125Yes
Leather-wrapped steering wheel150Yes
Body kit0No
Rear spoiler200Yes
205/55HR16 tires400No
Special interior trim0No
Upgraded floor mats0No
Total Requested47554%
Total Not Requested40046%

Option Package Details
Chevrolet Sonic Premier

RS Package
FeatureValueRequested?
Sport suspension (upgrade)250No
Fog lights125Yes
Body kit0No
Rear spoiler200Yes
Special interior trim0No
Upgraded floor mats0No
Wheels, dark finish0No
Total Requested32557%
Total Not Requested25043%

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