Buick Regal Buick Regal 2015 Lexus IS Lexus IS 2006

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Buick Regal vs. Lexus IS 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. Lexus IS Invoice Comparison

Lowest Total Price: $38,260

Buick Regal   
Difference: $7,365

Lowest Total Invoice: $36,508

Buick Regal   
Difference: $3,072

Calculate Payments

  Down Payment Interest Rate Term
Model Year201520152006
ModelRegalRegalIS
TrimBaseGS350
Body4dr Sedan4dr Sedan4dr Sedan
Base Price $29,990 $37,385 $35,440
Base Invoice $28,790 $35,890 $31,186
Premium II Package 4,110    
Adaptive cruise control, all-speed 1,195 1,195  
Sunroof 1,000 1,000  
Driver Confidence Package 1,040 1,040  
Sport Package     3,695
Navigation system     2,550
Obstacle detection, rear     500
Radar- or camera-based collision preparation system     2,850
Premium II Package 3,946    
Adaptive cruise control, all-speed 1,052 1,052  
Sunroof 880 880  
Driver Confidence Package 915 915  
Sport Package     2,956
Navigation system     2,168
Obstacle detection, rear     400
Radar- or camera-based collision preparation system     2,280
Options (change) 7,345 3,235 9,595
Options (change) 6,793 2,847 7,804
Destination 925 925 590
Total Price $38,260 $41,545 $45,625
Total Invoice $36,508 $39,662 $39,580

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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 Lexus IS dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Buick Regal vs. Lexus IS

Lowest Adjusted Price and Invoice: Buick Regal
TrueDelta Adjusted Price Difference: $8,125
TrueDelta Adjusted Invoice Difference: $3,797
Model Year201520152006
ModelRegalRegalIS
TrimBaseGS350
Body4dr Sedan4dr Sedan4dr Sedan
Engine259hp I4259hp I4306hp V6
TransmissionT6T6T6
DrivetrainFWDFWDRWD
EPA Fuel Economy (city/highway)21/30 MPG21/30 MPG21/28 MPG
Audio (watts, speakers)?, 9?, 9194, 12
Tire (rear if not all the same)235/50-18245/40-19225/40-18
Total Price$38,260$41,545$45,625
Adjustments for Features-760-2,0850
Feature-Adjusted Total Price$37,500$39,460$45,625
Cost Above Minimum$0$1,960$0
Total Invoice$36,508$39,662$39,580
Adjustments for Features-725-1,9900
Feature-Adjusted Total Invoice$35,783$37,672$39,580
Cost Above Minimum$0$1,889$0

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Features Comparison: Buick Regal vs. Lexus IS

Model Year201520152006
ModelRegalRegalIS
TrimBaseGS350
Body4dr Sedan4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100$1100$1100
FWD$0$0 
RWD  $0
Accessories 
AC power outlet$100$100 
Adaptive cruise control  $600
Adaptive cruise control, all-speed$850$850 
Heated steering wheel$100$100 
Remote app$25$25 
Remote start$150$150 
Remote window/roof operation  $15
Tilt/telescoping steering wheel, manual$250$250 
Tilt/telescoping steering wheel, power  $350
Brakes, Airbags, and Other Safety 
Automatic braking, high-speed or partial  $200
Blind spot warning system$200$200 
Cross-traffic warning, rear$100$100 
Following distance indicator$25$25 
Forward collision warning$200$200 
Knee airbag, driver  $75
Knee airbag, passenger  $75
Lane departure warning$200$200 
Obstacle detection, front $150$150
Rear side airbags$300$300 
Rollover sensor$50$50 
Vehicle health reports$0$0 
Cargo Management 
Cargo net$40$40 
Overhead sunglass holder  $25
Climate Control 
Rain-sensing wipers  $175
Variable intermittent wipers$75$75 
Water-repellent front-door glass  $15
Exterior 
Active grille shutters$0$0 
Body kit $0 
Rear spoiler $200 
Infotainment 
4G LTE connectivity$0$0 
App support$0$0 
Bluetooth audio streaming$25$25 
CD changer, in-dash  $325
CD player$125$125 
Satellite radio$200$200 
Siri Eyes Free support$0$0 
SMS text-to-speech reader$25$25 
Telematics service, such as OnStar, with navigation$225$225 
Voice control for external devices$0$0 
Wi-Fi hotspot$50$50 
Instruments, Lights, and Mirrors 
Auto-dimming driver-side mirror  $75
Auto-dimming passenger-side mirror  $75
Compass$0$0 
Fog lights$125 $125
Large color reconfigurable instrument cluster display $250 
Mirror tilt-down in reverse  $25
Performance meter $150 
Steering-linked headlights  $150
Turn signals on or near mirrors$25$25 
Seats and Interior Trim 
Cooled or ventilated front seats  $300
Folding second row seats$300$300 
Memory system, passenger seat  $150
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$4,865$6,190$4,105
Value of Feature Adjustments$760$2,085$0
Value of Feature Adjustments-725-1,9900

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Specifications Comparison: Buick Regal vs. Lexus IS

Model Year20152006
ModelRegalIS
Body4dr Sedan4dr Sedan
Wheelbase107.8 in107.5 in
Length190.2 in180.1 in
Width73.1 in70.9 in
Height58.4 in56.1 in
Curb Weight3,692 lb.3,527 lb.
Fuel Capacity18.0 gal.17.2 gal.
Row 1 Headroom38.8 in37.2 in
Row 1 Shoulder Room56.7 in54.4 in
Row 1 Hip Room55.4 in54.1 in
Row 1 Legroom42.1 in43.9 in
Row 2 Headroom36.8 in36.7 in
Row 2 Shoulder Room54.4 in52.7 in
Row 2 Hip Room52.3 in53.7 in
Row 2 Legroom37.3 in30.6 in
Cargo Volume14.2 ft313.0 ft3

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Option Package Details
Buick Regal

Premium II Package
FeatureValueRequested?
Navigation system600Yes
Rear side airbags300No
Xenon HID headlights500Yes
Bose, 9 speakers (with subwoofer)350No
Voice control for nav and audio75Yes
Speed limit information0No
Power recliner, passenger seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Power lumbar adjuster, passenger seat100Yes
Universal garage door opener100Yes
Power tilt adjuster, passenger seat100Yes
Obstacle detection, rear250Yes
Heated steering wheel100No
AC power outlet100No
Remote start150No
Proximity key250Yes
Total Requested217569%
Total Not Requested100031%
Driver Confidence Package
FeatureValueRequested?
Memory system, driver seat200Yes
Lane departure warning system200No
Blind spot warning system200No
Rear cross-traffic detection100No
Forward collision warning200No
Following distance indicator25No
Total Requested20022%
Total Not Requested72578%

Option Package Details
Buick Regal GS

Driver Confidence Package
FeatureValueRequested?
Memory system, driver seat200Yes
Lane departure warning system200No
Blind spot warning system200No
Rear cross-traffic detection100No
Forward collision warning200No
Following distance indicator25No
Total Requested20022%
Total Not Requested72578%

Option Package Details
Lexus IS 350

Obstacle detection, rear
FeatureValueRequested?
Obstacle detection, rear250Yes
Obstacle detection, front150Yes
Total Requested400100%
Total Not Requested00%
Radar- or camera-based collision preparation system
FeatureValueRequested?
Radar- or camera-based collision preparation system0Yes
Adaptive cruise control450Yes
Automatic braking, high-speed200No
Total Requested45069%
Total Not Requested20031%
Sport Package
FeatureValueRequested?
Sport suspension (upgrade)250Yes
225/40YR18 tires200No
Heated front seats200Yes
Cooled or ventilated front seats300No
Metal pedals75No
255/40YR18 tires200No
Rain-sensing wipers100No
Steering-linked headlights150No
Xenon HID headlights500Yes
Memory system, driver seat200Yes
Memory system, passenger seat150No
Auto-dimming driver-side mirror75No
Auto-dimming passenger-side mirror75No
Mirror tilt-down in reverse25No
Tilt/telescoping steering wheel, power100No
Total Requested115044%
Total Not Requested145056%
Navigation system
FeatureValueRequested?
Navigation system600Yes
Bluetooth cell phone link100Yes
Rearview camera200Yes
Voice control for nav and audio100Yes
Total Requested1000100%
Total Not Requested00%

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