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Buick Regal 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.

Buick Regal vs. Mazda RX-8 Invoice Comparison

Lowest Total Price: $35,375

Mazda RX-8 Automatic   
Difference: $2,385

Lowest Total Invoice: $32,503

Mazda RX-8 Automatic   
Difference: $3,631

Calculate Payments

  Down Payment Interest Rate Term
Model Year20132007
ModelRegalRX-8
TrimGSAutomatic
Body4dr Sedan4dr Coupe
Base Price $34,980 $26,435
Base Invoice $33,581 $24,458
Navigation system 895 2,000
Sunroof 1,000  
Grand Touring Package   5,335
Cargo net   40
Body kit   970
Navigation system 788 1,721
Sunroof 880  
Grand Touring Package   4,922
Cargo net   32
Body kit   775
Options (change) 1,895 8,345
Options (change) 1,668 7,450
Destination 885 595
Total Price $37,760 $35,375
Total Invoice $36,134 $32,503

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

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TrueDelta Value Comparison: Buick Regal vs. Mazda RX-8

Lowest Adjusted Price: Buick Regal GS
Lowest Adjusted Invoice: Mazda RX-8 Automatic
TrueDelta Adjusted Price Difference: $1,290
TrueDelta Adjusted Invoice Difference: $114
Model Year20132007
ModelRegalRX-8
TrimGSAutomatic
Body4dr Sedan4dr Coupe
Engine270hp I4212hp R2
TransmissionT6T6
DrivetrainFWDRWD
EPA Fuel Economy (city/highway)19/27 MPG18/25 MPG
Audio (watts, speakers)336, 9300, 9
Tire (rear if not all the same)245/40-19225/45-18
Total Price$37,760$35,375
Adjustments for Features-3,6750
Feature-Adjusted Total Price$34,085$35,375
Total Invoice$36,134$32,503
Adjustments for Features-3,5170
Feature-Adjusted Total Invoice$32,617$32,503

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Features Comparison: Buick Regal vs. Mazda RX-8

Model Year20132007
ModelRegalRX-8
TrimGSAutomatic
Body4dr Sedan4dr Coupe
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100$1100
FWD$0 
RWD $0
Accessories 
AC power outlet$100 
Power rear side windows$200 
Remote start$150 
Tilt steering wheel, manual $150
Tilt/telescoping steering wheel, manual$250 
Brakes, Airbags, and Other Safety 
Brake assist$50 
Obstacle detection, front$150 
Obstacle detection, rear$250 
Rear side airbags$300 
Rollover sensor$50 
Cargo Management 
Overhead sunglass holder $25
Second-row high console $250
Climate Control 
Automatic climate control, front$200 
Dual-zone climate control$125 
Rear air vents$100 
Drivetrain 
Limited-slip rear differential $300
Infotainment 
App support$0 
Aux input$50 
Bluetooth audio streaming$25 
Bluetooth cell phone link$100 
CD changer, in-dash $325
CD player$125 
MP3-compatible player$50 
Satellite radio$200 
Surround sound$250 
Telematics service, such as OnStar, with navigation$225 
Voice control for external devices$0 
Voice control for nav and audio$100 
Instruments, Lights, and Mirrors 
Automatic headlights$125 
Compass$0 
Fog lights $125
Trip computer$150 
Turn signals on or near mirrors$25 
Seats and Interior Trim 
Folding second row seats$300 
Power 4-way lumbar adjuster, driver seat$150 
Power 4-way lumbar adjuster, passenger seat$150 
Power fore-aft adjuster, passenger seat$100 
Power height adjuster, passenger seat$100 
Power lumbar adjuster, driver seat $100
Power recliner, passenger seat$100 
Power tilt adjuster, passenger seat$100 
Suspension, Wheels, and Tires 
Adaptive dampers - electrical$500 
Electronic systems calibration selector$200 
Transmission 
Steering-wheel-mounted transmission controls $100
Total Value of Features$6,150$2,475
Value of Feature Adjustments$3,675$0
Value of Feature Adjustments-3,5170

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See a complete comparison of Buick Regal vs. Mazda RX-8 features.

Specifications Comparison: Buick Regal vs. Mazda RX-8

Model Year20132007
ModelRegalRX-8
Body4dr Sedan4dr Coupe
Wheelbase107.8 in106.4 in
Length190.2 in174.3 in
Width73.1 in69.7 in
Height58.4 in52.8 in
Curb Weight3,710 lb.3,075 lb.
Fuel Capacity15.8 gal.15.9 gal.
Row 1 Headroom38.8 in38.2 in
Row 1 Shoulder Room56.7 in54.8 in
Row 1 Hip Room55.4 in53.3 in
Row 1 Legroom42.1 in42.7 in
Row 2 Headroom36.8 in36.8 in
Row 2 Shoulder Room54.4 in54.9 in
Row 2 Hip Room52.3 in48.1 in
Row 2 Legroom37.3 in32.2 in
Cargo Volume11.1 ft37.6 ft3

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See a complete comparison of Buick Regal vs. Mazda RX-8 specs.

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
Stability control400Yes
Fog lights125No
Xenon HID headlights500Yes
Traction control100Yes
CD changer, in-dash200No
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Sunroof900Yes
Bose, 300W, 9 speakers350No
Performance braking system (optional)250No
Limited-slip rear differential300No
Sport suspension (upgrade)250Yes
225/45ZR18 tires400No
Total Requested422572%
Total Not Requested162528%

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