Buick Regal Buick Regal 2018 Mazda RX-8 Mazda RX-8 2007

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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: $35,165

Mazda RX-8 Manual   
Difference: $1,690

Lowest Total Invoice: $32,247

Mazda RX-8 Manual   
Difference: $2,960

Calculate Payments

  Down Payment Interest Rate Term
Model Year2018201820072007
ModelRegalRegalRX-8RX-8
TrimSportback EssenceGSAutomaticManual
Body4dr Hatch4dr Hatch4dr Coupe4dr Coupe
Base Price $31,730 $39,065 $26,435 $26,435
Base Invoice $30,461 $37,502 $24,458 $24,458
Sights and Sounds Package 945 945    
Driver Confidence Package #1 1,580      
Metallic paint (extra cost) 395 395    
All-weather floor mats 140 140 60 60
Cargo organizer 140 140 70 70
Sunroof 1,000 1,000    
Appearance Package   485    
Grand Touring Package     5,335 4,635
Navigation system     2,000 2,000
Body kit     970 970
Rear spoiler     360 360
Cargo net     40 40
Sights and Sounds Package 860 860    
Driver Confidence Package #1 1,438      
Metallic paint (extra cost) 359 359    
All-weather floor mats 127 127 45 45
Cargo organizer 127 127 56 56
Sunroof 910 910    
Appearance Package   441    
Grand Touring Package     4,922 4,277
Navigation system     1,721 1,721
Body kit     775 775
Rear spoiler     288 288
Cargo net     32 32
Options (change) 4,200 3,105 8,835 8,135
Options (change) 3,821 2,824 7,839 7,194
Destination 925 925 595 595
Total Price $36,855 $43,095 $35,865 $35,165
Total Invoice $35,207 $41,251 $32,892 $32,247

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

Lowest Adjusted Price and Invoice: Buick Regal Sportback Essence
TrueDelta Adjusted Price Difference: $3,840
TrueDelta Adjusted Invoice Difference: $2,339
Model Year2018201820072007
ModelRegalRegalRX-8RX-8
TrimSportback EssenceGSAutomaticManual
Body4dr Hatch4dr Hatch4dr Coupe4dr Coupe
Engine250hp I4310hp V6212hp R2232hp R2
TransmissionT9T9T6M6
DrivetrainFWDAWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)?, 8?, 8300, 9300, 9
Tire (rear if not all the same)245/45-18245/40-19225/45-18225/45-18
Total Price$36,855$43,095$35,865$35,165
Adjustments for Features-5,880-10,080-1,0500
Feature-Adjusted Total Price$30,975$33,015$34,815$35,165
Cost Above Minimum$0$2,040$0$350
Total Invoice$35,207$41,251$32,892$32,247
Adjustments for Features-5,617-9,649-9630
Feature-Adjusted Total Invoice$29,590$31,602$31,929$32,247
Cost Above Minimum$0$2,012$0$318

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Features Comparison: Buick Regal vs. Mazda RX-8

Model Year2018201820072007
ModelRegalRegalRX-8RX-8
TrimSportback EssenceGSAutomaticManual
Body4dr Hatch4dr Hatch4dr Coupe4dr Coupe
Transmission and Drivetrain 
9-speed manually-shiftable automatic$1400$1400  
6-speed manually-shiftable automatic  $1100 
6-speed manual   $150
FWD$0   
AWD $1700  
RWD  $0$0
Accessories 
Active noise reduction $0  
Heated steering wheel$100$100  
Power rear side windows$200$200  
Remote app$25$25  
Remote start$150$150  
Tilt steering wheel, manual  $150$150
Tilt/telescoping steering wheel, manual$250$250  
Brakes, Airbags, and Other Safety 
Blind spot warning system$200$200  
Brake assist$50$50  
Cross-traffic warning, rear$100$100  
Knee airbag, driver$75$75  
Knee airbag, passenger$75$75  
Obstacle detection, front $150  
Obstacle detection, rear$250$250  
Rear side airbags$300$300  
Rearview camera$200$200  
Rollover sensor$50$50  
Safety key$5$5  
Vehicle health reports$0$0  
Cargo Management 
Cargo cover$75$75  
Overhead sunglass holder  $25$25
Rear seat pass-through  $100$100
Second-row high console  $250$250
Climate Control 
Automatic climate control, front$200$200  
Dual-zone climate control$125$125  
Rear air vents$100$100  
Drivetrain 
Active rear differential $500  
Limited-slip rear differential  $300$300
Exterior 
Body kit $0$0$0
Laminated front side windows$200$200  
Painted brake calipers (optional) $0  
Rear spoiler $200$200$200
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
HD radio$50$50  
Satellite radio$200$200  
SMS text-to-speech reader$25$25  
Telematics service, such as OnStar, with navigation$225$225  
Voice control for external devices$0$0  
Voice control for nav and audio$100$100  
Wi-Fi hotspot$50$50  
Wireless charging station$75$75  
Instruments, Lights, and Mirrors 
Auto-dimming driver-side mirror$75$75  
Automatic headlights$125$125  
Compass$0$0  
Cornering lights$50$50  
Fog lights  $125$125
Large color reconfigurable instrument cluster display$250$250  
LED headlights$1000$1000  
Performance meter $150  
Trip computer$150$150  
Turn signals on or near mirrors$25$25  
Xenon HID headlights  $500$500
Seats and Interior Trim 
Cooled or ventilated front seats $300  
Folding second row seats$300$300  
Manual thigh support length adjuster, driver seat $50  
Manual thigh support length adjuster, passenger seat $50  
Massage, driver seat $100  
Massage, passenger seat $100  
Memory system, driver seat$200$200  
Power 4-way lumbar adjuster, driver seat$150$150  
Power 4-way lumbar adjuster, passenger seat$150$150  
Power fore-aft adjuster, passenger seat$100$100  
Power height adjuster, passenger seat$100$100  
Power lumbar adjuster, driver seat  $100$100
Power recliner, passenger seat$100$100  
Power seatback bolsters, driver seat $100  
Power seatback bolsters, passenger seat $100  
Power tilt adjuster, passenger seat$100$100  
Suspension, Wheels, and Tires 
Adaptive dampers - electrical $500  
Electronic systems calibration selector $200  
Sport suspension (upgrade)  $0$0
Transmission 
Steering-wheel-mounted transmission controls  $100 
Total Value of Features$8,105$12,305$3,275$2,225
Value of Feature Adjustments$5,880$10,080$1,050$0
Value of Feature Adjustments-5,617-9,649-9630

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Specifications Comparison: Buick Regal vs. Mazda RX-8

Model Year20182007
ModelRegalRX-8
Body4dr Hatch4dr Coupe
Wheelbase111.4 in106.4 in
Length192.9 in174.3 in
Width73.3 in69.7 in
Height57.3 in52.8 in
Curb Weight4,082 lb.3,046 lb.
Fuel Capacity16.3 gal.15.9 gal.
Row 1 Headroom38.8 in38.2 in
Row 1 Shoulder Room56.9 in54.8 in
Row 1 Hip Room55.2 in53.3 in
Row 1 Legroom42.1 in42.7 in
Row 2 Headroom37.4 in36.8 in
Row 2 Shoulder Room55.4 in54.9 in
Row 2 Hip Room54.1 in48.1 in
Row 2 Legroom36.9 in32.2 in
Cargo Volume,
Minimum
31.5 ft37.6 ft3
Cargo Volume,
Maximum
60.7 ft37.6 ft3

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Option Package Details
Buick Regal Sportback Essence

Sights and Sounds Package
FeatureValueRequested?
Navigation system600Yes
Bose, 8 speakers (with subwoofer)350No
Voice control for nav and audio75No
HD radio50No
Large color reconfigurable instrument cluster display250No
Speed limit information0No
Total Requested60045%
Total Not Requested72555%
Driver Confidence Package #1
FeatureValueRequested?
Power 4-way lumbar adjuster, driver seat50No
Power 4-way lumbar adjuster, passenger seat50No
Memory system, driver seat200No
Auto-dimming driver-side mirror75No
Wireless charging station75No
LED headlights1000No
Cross-traffic warning, rear100No
Obstacle detection, rear250No
Cornering lights50No
Blind spot warning system200No
Total Requested00%
Total Not Requested2050100%

Option Package Details
Buick Regal GS

Sights and Sounds Package
FeatureValueRequested?
Navigation system600Yes
Bose, 8 speakers (with subwoofer)350No
Voice control for nav and audio75No
HD radio50No
Speed limit information0No
Total Requested60056%
Total Not Requested47544%
Appearance Package
FeatureValueRequested?
Cornering lights50No
LED headlights1000No
Wireless charging station75No
Total Requested00%
Total Not Requested1125100%

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
Traction control100Yes
Stability control400Yes
Fog lights125No
Xenon HID headlights500Yes
Sunroof900Yes
CD changer, in-dash200No
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Bose, 300W, 9 speakers350No
Sport suspension (upgrade)250No
Performance braking system (optional)250No
Limited-slip rear differential300Yes
225/45ZR18 tires400No
Total Requested427573%
Total Not Requested157527%

Option Package Details
Mazda RX-8 Manual

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
Traction control100Yes
Stability control400Yes
Fog lights125No
Xenon HID headlights500Yes
Sunroof900Yes
CD changer, in-dash200No
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Bose, 300W, 9 speakers350No
225/45ZR18 tires400No
Total Requested397579%
Total Not Requested107521%

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