Chevrolet Cobalt Chevrolet Cobalt 2008 Mazda RX-8 Mazda RX-8 2008

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Chevrolet Cobalt 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 Cobalt vs. Mazda RX-8 Invoice Comparison

Lowest Total Price: $24,040

Chevrolet Cobalt SS   
Difference: $8,040

Lowest Total Invoice: $22,687

Chevrolet Cobalt SS   
Difference: $6,802

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  Down Payment Interest Rate Term
Model Year20082008
ModelCobaltRX-8
TrimSSManual
Body2dr Coupe4dr Coupe
Base Price $22,335 $26,435
Base Invoice $21,107 $24,458
CD changer, in-dash 295  
Sunroof 750  
5-speed manual 0  
Touring Package   3,100
Body kit   1,100
Temporary spare tire   395
Rear spoiler   360
Cargo net   40
CD changer, in-dash 260  
Sunroof 660  
5-speed manual 0  
Touring Package   2,860
Body kit   881
Temporary spare tire   320
Rear spoiler   288
Cargo net   32
Options (change) 1,045 4,995
Options (change) 920 4,381
Destination 660 650
Total Price $24,040 $32,080
Total Invoice $22,687 $29,489

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

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

Lowest Adjusted Price and Invoice: Chevrolet Cobalt SS
TrueDelta Adjusted Price Difference: $7,535
TrueDelta Adjusted Invoice Difference: $6,338
Model Year20082008
ModelCobaltRX-8
TrimSSManual
Body2dr Coupe4dr Coupe
Engine260hp I4232hp R2
TransmissionM5M6
DrivetrainFWDRWD
EPA Fuel Economy (city/highway)22/30 MPG16/22 MPG
Audio (watts, speakers)228, 7300, 9
Tire (rear if not all the same)225/40-18225/45-18
Total Price$24,040$32,080
Adjustments for Features0-505
Feature-Adjusted Total Price$24,040$31,575
Total Invoice$22,687$29,489
Adjustments for Features0-464
Feature-Adjusted Total Invoice$22,687$29,025

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Features Comparison: Chevrolet Cobalt vs. Mazda RX-8

Model Year20082008
ModelCobaltRX-8
TrimSSManual
Body2dr Coupe4dr Coupe
Transmission and Drivetrain 
5-speed manual$0 
6-speed manual $150
FWD$0 
RWD $0
Accessories 
Universal garage door opener $100
Brakes, Airbags, and Other Safety 
Front side airbags $350
Cargo Management 
Overhead sunglass holder $25
Rear seat pass-through $100
Second-row high console $250
Drivetrain 
Limited-slip rear differential $300
Infotainment 
Aux input$50 
MP3-compatible player$50 
Satellite radio$200 
Telematics service, such as OnStar$200 
Instruments, Lights, and Mirrors 
Auto-dimming rearview mirror $150
Automatic headlights$125 
Boost gauge$75 
Illuminated visor mirror, driver $50
Illuminated visor mirror, passenger $50
Trip computer$150 
Visor mirror, driver$10 
Visor mirror, passenger$10 
Xenon HID headlights $500
Seats and Interior Trim 
Center armrest(s), front row $75
Center armrest(s), second row $50
Door sill trim plates $100
Folding second row seats$300 
Manual lumbar adjuster, driver seat$50 
Metal pedals $75
Synthetic suede inserts in seating surfaces$450 
Suspension, Wheels, and Tires 
Performance steering system (optional)$0 
Sport suspension (upgrade) $0
Ultra-sport suspension (upgrade)$0 
Transmission 
Launch control$100 
No-lift shift$50 
Short-throw shifter (optional)$0 
Total Value of Features$1,820$2,325
Value of Feature Adjustments$0$505
Value of Feature Adjustments0-464

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Specifications Comparison: Chevrolet Cobalt vs. Mazda RX-8

Model Year20082008
ModelCobaltRX-8
Body2dr Coupe4dr Coupe
Wheelbase103.3 in106.4 in
Length180.3 in174.3 in
Width67.9 in69.7 in
Height55.7 in52.8 in
Curb Weight2,925 lb.3,045 lb.
Fuel Capacity13.0 gal.15.9 gal.
Row 1 Headroom38.7 in38.2 in
Row 1 Shoulder Room53.0 in54.8 in
Row 1 Hip Room49.5 in53.3 in
Row 1 Legroom42.0 in42.7 in
Row 2 Headroom35.7 in36.8 in
Row 2 Shoulder Room49.0 in54.9 in
Row 2 Hip Room46.1 in48.1 in
Row 2 Legroom32.2 in32.2 in
Cargo Volume13.9 ft37.6 ft3

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Option Package Details
Mazda RX-8 Manual

Touring Package
FeatureValueRequested?
Sunroof900Yes
CD changer, in-dash200Yes
Universal garage door opener100No
Auto-dimming rearview mirror150No
Bose, 300W, 9 speakers350No
Traction control100Yes
Stability control400Yes
Fog lights125Yes
Xenon HID headlights500No
225/45ZR18 tires400No
Total Requested172553%
Total Not Requested150047%

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