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Audi A5 / S5 / RS5 vs. Buick Regal 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.

Audi A5 / S5 / RS5 vs. Buick Regal Invoice Comparison

Lowest Total Price: $45,040

Buick Regal GS   
Difference: $21,030

Lowest Total Invoice: $43,021

Buick Regal GS   
Difference: $18,495

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  Down Payment Interest Rate Term
Model Year20182018
ModelA5 / S5 / RS5Regal
TrimS5 Sportback 3.0TGS
Body4dr Hatch4dr Hatch
Base Price $54,400 $39,065
Base Invoice $50,592 $37,502
Driver Assistance Package 1,800  
Prestige Package 4,400  
S Sport Package 2,500  
Warm Weather Package 800  
All-weather floor mats 190 140
Cargo net 80  
Rear side airbags 350  
Metallic paint (extra cost) 575 395
Appearance Package   485
Sights and Sounds Package   945
Driver Confidence Package #2   1,690
Illuminated door sill trim plates   395
Sunroof   1,000
Driver Assistance Package 1,674  
Prestige Package 4,092  
S Sport Package 2,326  
Warm Weather Package 744  
All-weather floor mats 177 127
Cargo net 74  
Rear side airbags 326  
Metallic paint (extra cost) 536 359
Appearance Package   441
Sights and Sounds Package   860
Driver Confidence Package #2   1,538
Illuminated door sill trim plates   359
Sunroof   910
Options (change) 10,695 5,050
Options (change) 9,949 4,594
Destination 975 925
Total Price $66,070 $45,040
Total Invoice $61,516 $43,021

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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 Audi A5 / S5 / RS5 dealer quotes or Buick Regal dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Audi A5 / S5 / RS5 vs. Buick Regal

Lowest Adjusted Price and Invoice: Buick Regal GS
TrueDelta Adjusted Price Difference: $17,805
TrueDelta Adjusted Invoice Difference: $15,492
Model Year20182018
ModelA5 / S5 / RS5Regal
TrimS5 Sportback 3.0TGS
Body4dr Hatch4dr Hatch
Engine354hp V6310hp V6
TransmissionT8T9
DrivetrainAWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG
Audio (watts, speakers)755, 19?, 8
Tire (rear if not all the same)245/40-18245/40-19
Total Price$66,070$45,040
Adjustments for Features-3,2250
Feature-Adjusted Total Price$62,845$45,040
Total Invoice$61,516$43,021
Adjustments for Features-3,0030
Feature-Adjusted Total Invoice$58,513$43,021

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Features Comparison: Audi A5 / S5 / RS5 vs. Buick Regal

Model Year20182018
ModelA5 / S5 / RS5Regal
TrimS5 Sportback 3.0TGS
Body4dr Hatch4dr Hatch
Transmission and Drivetrain 
8-speed manually-shiftable automatic$1300 
9-speed manually-shiftable automatic $1400
AWD$1700$1700
Accessories 
Active noise reduction $0
Adaptive cruise control, all-speed $850
Adaptive cruise control, all-speed, topography and road sign aware$1100 
Heated steering wheel $100
Low-speed semi-autonomous driving$100 
Power liftgate$350 
Remote start $150
Brakes, Airbags, and Other Safety 
Around view cameras$500 
Collision preparation system, rear$100 
Driver drowsiness monitor$150 
Evasive maneuver assist$200 
Lane departure prevention, steering-based $200
Lane keeping assist$400 
Rearview camera $200
Safety key $5
Secondary collision brake assist$25 
Temporary spare tire$150 
Torque vectoring, brake-based$100 
Turn assist$25 
Vehicle exit assist$25 
Vehicle health reports $0
Wide-view front camera$150 
Wide-view rear camera$0 
Cargo Management 
Air-conditioned storage compartment$50 
Climate Control 
Automatic air recirculation$100 
Heated windshield washer nozzles$15 
Rain-sensing wipers$175 
Rear air vents $100
Rear air vents with automatic controls$250 
Variable intermittent wipers $75
Engine / Motor 
Automatic start / stop$150 
Regenerative braking$0 
Exterior 
Body kit $0
Body kit (gray/black)$0 
Laminated front side windows $200
Infotainment 
App support $0
CD player, remote$100 
DVD-compatible player$0 
Handwriting recognition$200 
In-vehicle Internet$150 
Media drive$15 
MP3-compatible player$50 
SD Card slot$25 
SMS text-to-speech reader $25
Surround sound$250 
Telematics service, such as OnStar$200 
Telematics service, such as OnStar, with navigation $225
Traffic + travel information$25 
Voice control for external devices $0
Wireless charging station $75
Instruments, Lights, and Mirrors 
Auto-dimming headlights$200 
Auto-dimming passenger-side mirror$75 
Boost gauge$75 
Cornering lights $50
Fog light, rear$100 
Fog lights$125 
Interior ambient lighting $150
Interior ambient lighting, configurable$150 
Performance meter $150
Power-folding mirrors$50 
Predictive efficiency assist$0 
Road sign information$75 
Seats and Interior Trim 
Aluminum trim$100 
Massage, driver seat $100
Massage, passenger seat $100
Power seatback bolsters, driver seat $100
Power seatback bolsters, passenger seat $100
Upholstered door armrests (optional)$0 
Suspension, Wheels, and Tires 
Sport suspension (upgrade)$0 
Transmission 
Launch control$100 
Steering-wheel-mounted transmission controls$100 
Total Value of Features$9,280$6,055
Value of Feature Adjustments$3,225$0
Value of Feature Adjustments-3,0030

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See a complete comparison of Audi A5 / S5 / RS5 vs. Buick Regal features.

Specifications Comparison: Audi A5 / S5 / RS5 vs. Buick Regal

Model Year20182018
ModelA5 / S5 / RS5Regal
Body4dr Hatch4dr Hatch
Wheelbase111.2 in111.4 in
Length186.3 in192.9 in
Width72.6 in73.3 in
Height54.6 in57.3 in
Curb Weight3,705 lb.4,082 lb.
Fuel Capacity15.3 gal.16.3 gal.
Row 1 Headroom39.4 in38.8 in
Row 1 Shoulder Room55.7 in56.9 in
Row 1 Hip Room0.0 in55.2 in
Row 1 Legroom41.3 in42.1 in
Row 2 Headroom37.0 in37.4 in
Row 2 Shoulder Room54.5 in55.4 in
Row 2 Hip Room0.0 in54.1 in
Row 2 Legroom35.1 in36.9 in
Cargo Volume,
Minimum		21.8 ft331.5 ft3
Cargo Volume,
Maximum		35.0 ft360.7 ft3

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See a complete comparison of Audi A5 / S5 / RS5 vs. Buick Regal specs.

Option Package Details
Audi A5 / S5 / RS5 S5 Sportback 3.0T

Driver Assistance Package
FeatureValueRequested?
Auto-dimming headlights200No
Lane departure warning200Yes
Road sign information75No
Turn assist25No
Lane keeping assist400Yes
Following distance indicator25Yes
Low-speed semi-autonomous driving100No
Evasive maneuver assist200No
Predictive efficiency assist0No
Adaptive cruise control, all-speed, topography and road sign aware950No
Total Requested62529%
Total Not Requested155071%
Prestige Package
FeatureValueRequested?
Head-up display (HUD)350Yes
Surround sound250No
Around view cameras300No
Wide-view front camera150No
Wide-view rear camera0No
Interior ambient lighting, configurable150No
Bang & Olufsen, 755W, 19 speakers (with subwoofer)350No
Upholstered door armrests (optional)0No
Large color reconfigurable instrument cluster display250Yes
Handwriting recognition200No
Remote app25Yes
Speed limit information0No
4G LTE connectivity0Yes
Navigation system600Yes
DVD-compatible player0No
Voice control for nav and audio75Yes
Media drive15No
Traffic + travel information25No
In-vehicle Internet150No
Wi-Fi hotspot50Yes
Total Requested135046%
Total Not Requested159054%
S Sport Package
FeatureValueRequested?
Adaptive dampers - electrical500Yes
Active rear differential500Yes
Painted brake calipers (optional)0Yes
Total Requested1000100%
Total Not Requested00%

Option Package Details
Buick Regal GS

Appearance Package
FeatureValueRequested?
Cornering lights50No
LED headlights1000Yes
Wireless charging station75No
Total Requested100089%
Total Not Requested12511%
Sights and Sounds Package
FeatureValueRequested?
Navigation system600Yes
Bose, 8 speakers (with subwoofer)350No
Voice control for nav and audio75Yes
HD radio50Yes
Speed limit information0No
Total Requested72567%
Total Not Requested35033%
Driver Confidence Package #2
FeatureValueRequested?
Head-up display (HUD)350Yes
Radar- or camera-based collision preparation system0Yes
Lane departure warning200Yes
Adaptive cruise control, all-speed700Yes
Automatic braking, low-speed200Yes
Automatic braking, high-speed or partial200Yes
Forward collision warning200Yes
Lane departure prevention, steering-based200Yes
Pedestrian detection50Yes
Following distance indicator25Yes
Total Requested2125100%
Total Not Requested00%

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