Buick Regal Buick Regal 2017 Mercedes-Benz S-Class Mercedes-Benz S-Class 2015

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Buick Regal vs. Mercedes-Benz S-Class 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. Mercedes-Benz S-Class Invoice Comparison

Lowest Total Price: $39,370

Buick Regal GS   
Difference: $60,202

Lowest Total Invoice: $37,614

Buick Regal GS   
Difference: $54,770

Calculate Payments

  Down Payment Interest Rate Term
Model Year2017201520152015
ModelRegalS-ClassS-ClassS-Class
TrimGSS550 Plug-in HybridS63 AMGS65 AMG
Body4dr Sedan4dr Sedan, ext.4dr Sedan, ext.4dr Sedan, ext.
Base Price $34,115 $94,400 $141,450 $222,000
Base Invoice $32,750 $87,792 $131,549 $206,460
Adaptive cruise control, all-speed 1,195      
Sunroof 1,000      
Driver Confidence Package 1,040      
255/35ZR20 700      
Metallic paint (extra cost) 395      
Driver Assistance Package   2,800 2,800  
Premium Package   4,500    
Heated steering wheel   490    
Rear spoiler   500    
Polished alloy wheels     1,700  
Adaptive cruise control, all-speed 1,087      
Sunroof 910      
Driver Confidence Package 946      
255/35ZR20 637      
Metallic paint (extra cost) 359      
Driver Assistance Package   2,604 2,604  
Premium Package   4,185    
Heated steering wheel   456    
Rear spoiler   465    
Polished alloy wheels     1,581  
Options (change) 4,330 8,290 4,500 0
Options (change) 3,939 7,710 4,185 0
Destination 925 925 925 925
Gas Tax 0 -4,043 0 2,100
Total Price $39,370 $99,572 $146,875 $225,025
Total Invoice $37,614 $92,384 $136,659 $209,485

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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 Mercedes-Benz S-Class dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Buick Regal vs. Mercedes-Benz S-Class

Lowest Adjusted Price and Invoice: Buick Regal GS
TrueDelta Adjusted Price Difference: $50,507
TrueDelta Adjusted Invoice Difference: $45,775
Model Year2017201520152015
ModelRegalS-ClassS-ClassS-Class
TrimGSS550 Plug-in HybridS63 AMGS65 AMG
Body4dr Sedan4dr Sedan, ext.4dr Sedan, ext.4dr Sedan, ext.
Engine259hp I4329hp V6 PiH577hp V8621hp V12
TransmissionT6T7T7T7
DrivetrainFWDRWDAWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)?, 9590, 13590, 131940, 24
Tire (rear if not all the same)255/35-20255/45-18255/40-20255/40-20
Total Price$39,370$99,572$146,875$225,025
Adjustments for Features0-9,695-11,970-23,220
Feature-Adjusted Total Price$39,370$89,877$134,905$201,805
Cost Above Minimum$0$0$45,028$111,928
Total Invoice$37,614$92,384$136,659$209,485
Adjustments for Features0-8,995-11,137-21,616
Feature-Adjusted Total Invoice$37,614$83,389$125,522$187,869
Cost Above Minimum$0$0$42,133$104,480

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Features Comparison: Buick Regal vs. Mercedes-Benz S-Class

Model Year2017201520152015
ModelRegalS-ClassS-ClassS-Class
TrimGSS550 Plug-in HybridS63 AMGS65 AMG
Body4dr Sedan4dr Sedan, ext.4dr Sedan, ext.4dr Sedan, ext.
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100   
7-speed manually-shiftable automatic $1200$1200$1200
FWD$0   
RWD $0 $0
AWD  $1700 
Accessories 
Eco accelerator $100  
Hands-free trunk or liftgate $100$100$100
Heated steering wheel$100$100 $100
Power door closers $300$300$300
Power trunk closer $350$350$350
Remote start$150   
Remote window/roof operation $15$15$15
Semi-automated parking system $500$500$500
Sunshade, rear, power $225$225$225
Sunshades, second row, power $225$225$225
Tilt/telescoping steering wheel, manual$250   
Tilt/telescoping steering wheel, power $350$350$350
Brakes, Airbags, and Other Safety 
Animal detection, night   $50
Around view cameras   $500
Automatic braking, high-speed or partial $200$200$200
Automatic braking, low-speed $200$200$200
Automatic seat belt presenters, second row   $50
Blind spot collision prevention $150$150$150
Collision preparation system, rear $100$100$100
Driver drowsiness monitor $150$150$150
Following distance indicator$25   
Inflatable rear seat belts   $200
Knee airbag, driver $75$75$75
Lane keeping assist $400$400$400
Night vision   $1750
Pedestrian detection $50$50$50
Pedestrian detection, night   $50
Rearview camera$200$200$200 
Tires, run-flat $150  
Torque vectoring, brake-based $100$100$100
Vehicle health reports$0   
Cargo Management 
Air-conditioned storage compartment $50$50$50
Console with shifter$150   
Console without shifter $150$150$150
Overhead sunglass holder $25$25$25
Rear seat pass-through$100   
Storage compartment under front seat(s) $50$50$50
Climate Control 
Automatic air recirculation $100$100$100
Fragrance atomizer $200$200$200
Heated windshield washer nozzles $15$15$15
Ionizing air filtration $50$50$50
Rain-sensing wipers $175$175$175
Rear air vents$100$100$100 
Rear air vents with automatic controls   $250
Rear dual-zone climate control   $125
Residual heat $50$50$50
Variable intermittent wipers$75   
Wiper de-icer $25$25$25
Engine / Motor 
9 kWh battery pack $0  
Automatic start / stop $150$150$150
Dual-mode exhaust  $250$250
Radar-based brake regeneration $200  
Exterior 
Active grille shutters$0   
Body kit$0 $0$0
Carbon fiber engine cover   $0
Front splitter spoiler  $200$200
Laminated front side windows $200$200$200
Laminated rear side windows $100$100$100
Panoramic sunroof $1200$1200$1200
Rear spoiler$200$200  
Sunroof$900   
Infotainment 
4G LTE connectivity$0   
Android Auto support$100   
Apple CarPlay support$100   
Aux input$50   
CD changer, in-dash $325$325$325
CD player$125   
DVD-compatible player $0$0$0
Entertainment system with dual headrest screens   $1200
Handwriting recognition $200$200$200
HD radio $50$50$50
In-vehicle Internet $150$150$150
Media drive $15$15$15
Navigation map updates, three years $0$0$0
SD Card slot $25$25$25
Surround sound $250$250$250
Traffic + travel information $25$25$25
Voice control for external devices$0   
Instruments, Lights, and Mirrors 
Analog clock $25  
Auto-dimming driver-side mirror $75$75$75
Auto-dimming headlights $200$200$200
Chronometer  $100$100
Cornering lights $50$50$50
Fog light, rear $100$100$100
Head-up display (HUD)   $350
Illuminated vanity mirrors, rear seat $100$100$100
Interior ambient lighting$150   
Interior ambient lighting, configurable $150$150$150
Large energy flow and fuel economy display $25  
LED headlights $1000$1000$1000
Mirror tilt-down in reverse $25$25$25
Performance meter$150   
Power-folding mirrors $50$50$50
Steering-linked headlights $150$150$150
Xenon HID headlights$500   
Seats and Interior Trim 
Automatic seat bolsters, driver $300$300$300
Automatic seat bolsters, front passenger $300$300$300
Automatic seat bolsters, second row   $450
Cooled or ventilated front seats $300$300$300
Cooled or ventilated second row seats   $200
Door sill trim plates$100   
Folding second row seats$300   
Heated front row armrests   $100
Heated second row armrests   $100
Heated second row seats   $200
Illuminated door sill trim plates $200$200$200
Leather door panel trim   $250
Leather headliner   $1000
Leather-wrapped steering wheel$150 $150$150
Massage, driver seat $100$100$100
Massage, passenger seat $100$100$100
Massage, second row seats   $150
Memory system, passenger seat $150$150$150
Memory system, second row seats   $150
Metal pedals$75 $75$75
Power 4-way lumbar adjuster, driver seat $150$150$150
Power 4-way lumbar adjuster, passenger seat $150$150$150
Power 4-way lumbar adjuster, second row seats   $225
Power footrest, right rear seat   $250
Power headrest fore-aft adjuster, second row seats   $75
Power headrest height adjuster, driver seat $50$50$50
Power headrest height adjuster, passenger seat $50$50$50
Power headrest height adjuster, second row seats   $75
Power legrest, right second row seat   $500
Power lumbar adjuster, driver seat$100   
Power lumbar adjuster, passenger seat$100   
Power recliner, second row seats   $150
Power seat belt height adjusters, front row $25$25$25
Power thigh support length adjuster, driver seat $100$100$100
Power thigh support length adjuster, passenger seat $100$100$100
Power thigh support length adjuster, second row seats   $150
Power upper seatback recliner, second row seats   $150
Synthetic suede headliner  $650 
Upholstered instrument panel $300$300 
Upholstered instrument panel, leather   $1000
Wood trim $300$300$300
Wood/leather-wrapped steering wheel $150  
Suspension, Wheels, and Tires 
Active hydraulic struts, auto-leveling and ht. adjustable   $5500
Adaptive dampers - electrical$500$500$500 
Air suspension, auto-leveling and height adjustable $1000$1000 
Alloy wheels $350  
Camera-linked adaptive suspension   $500
Crosswind stabilization $50$50$50
Electronic systems calibration selector$200   
Polished alloy wheels$350 $350$350
Sport suspension (upgrade)$0 $0$0
Transmission 
Launch control  $100 
Steering-wheel-mounted transmission controls $100$100$100
Total Value of Features$6,400$16,095$18,370$29,620
Value of Feature Adjustments$0$9,695$11,970$23,220
Value of Feature Adjustments0-8,995-11,137-21,616

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Specifications Comparison: Buick Regal vs. Mercedes-Benz S-Class

Model Year20172015
ModelRegalS-Class
Body4dr Sedan4dr Sedan, ext.
Wheelbase107.8 in124.6 in
Length190.2 in206.5 in
Width73.1 in74.8 in
Height58.4 in58.7 in
Curb Weight3,693 lb.4,774 lb.
Fuel Capacity18.0 gal.21.1 gal.
Row 1 Headroom38.8 in39.7 in
Row 1 Shoulder Room56.7 in59.7 in
Row 1 Hip Room55.4 in0.0 in
Row 1 Legroom42.1 in41.4 in
Row 2 Headroom36.8 in39.2 in
Row 2 Shoulder Room54.4 in59.1 in
Row 2 Hip Room52.3 in0.0 in
Row 2 Legroom37.3 in43.0 in
Cargo Volume14.2 ft316.3 ft3

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Option Package Details
Buick Regal GS

Driver Confidence Package
FeatureValueRequested?
Memory system, driver seat200Yes
Lane departure warning system200Yes
Blind spot warning system200Yes
Rear cross-traffic detection100Yes
Forward collision warning200Yes
Following distance indicator25No
Total Requested90097%
Total Not Requested253%

Option Package Details
Mercedes-Benz S-Class S550 Plug-in Hybrid

Driver Assistance Package
FeatureValueRequested?
Rear cross-traffic detection100Yes
Collision preparation system, rear100No
Pedestrian detection50No
Lane keeping assist system400No
Blind spot intervention150No
Lane departure warning system200Yes
Adaptive cruise control, all-speed700Yes
Blind spot warning system200Yes
Total Requested120063%
Total Not Requested70037%
Premium Package
FeatureValueRequested?
Sunshades, second row, power225No
Automatic seat bolsters, driver300No
Automatic seat bolsters, front passenger300No
Massage, driver seat100No
Massage, passenger seat100No
Front sport buckets100Yes
Cooled or ventilated front seats300No
Obstacle detection, front150Yes
Obstacle detection, rear250Yes
Proximity key250Yes
Parking guidance system - active500No
Hands-free trunk or liftgate100No
Total Requested75028%
Total Not Requested192572%

Option Package Details
Mercedes-Benz S-Class S63 AMG

Driver Assistance Package
FeatureValueRequested?
Rear cross-traffic detection100Yes
Collision preparation system, rear100No
Pedestrian detection50No
Lane keeping assist system400No
Blind spot intervention150No
Lane departure warning system200Yes
Adaptive cruise control, all-speed700Yes
Blind spot warning system200Yes
Total Requested120063%
Total Not Requested70037%

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