Audi A8 / S8 Audi A8 / S8 2018 Mercedes-Benz SL Mercedes-Benz SL 2014

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Audi A8 / S8 vs. Mercedes-Benz SL 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 A8 / S8 vs. Mercedes-Benz SL Invoice Comparison

Lowest Total Price: $138,475

Audi A8 / S8 S8 Plus   
Difference: $24,360

Lowest Total Invoice: $128,853

Audi A8 / S8 S8 Plus   
Difference: $22,650

Calculate Payments

  Down Payment Interest Rate Term
Model Year201820142014
ModelA8 / S8SLSL
TrimS8 PlusSL63 AMGSL65 AMG
Body4dr Sedan2dr Hardtop conv.2dr Hardtop conv.
Base Price $115,900 $147,300 $214,500
Base Invoice $107,788 $136,989 $199,485
Executive Plus Package 2,800    
Dynamic Package 9,000    
Black Optic Plus Exterior Package 7,500    
Night vision 2,300 2,260  
Driver Assistance Package   2,950  
Power door closers   450  
Ceramic brake rotors   8,950 8,950
Wood trim   0 0
Executive Plus Package 2,604    
Dynamic Package 8,370    
Black Optic Plus Exterior Package 6,976    
Night vision 2,140 2,102  
Driver Assistance Package   2,744  
Power door closers   419  
Ceramic brake rotors   8,324 8,324
Wood trim   0 0
Options (change) 21,600 14,610 8,950
Options (change) 20,090 13,589 8,324
Destination 975 925 925
Gas Tax 0 0 1,300
Total Price $138,475 $162,835 $225,675
Total Invoice $128,853 $151,503 $210,034

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While we strive for accuracy, the site is not error-free, and prices can change at any time.

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TrueDelta Value Comparison: Audi A8 / S8 vs. Mercedes-Benz SL

Lowest Adjusted Price and Invoice: Audi A8 / S8 S8 Plus
TrueDelta Adjusted Price Difference: $19,875
TrueDelta Adjusted Invoice Difference: $18,477
Model Year201820142014
ModelA8 / S8SLSL
TrimS8 PlusSL63 AMGSL65 AMG
Body4dr Sedan2dr Hardtop conv.2dr Hardtop conv.
Engine605hp V8530hp V8621hp V12
TransmissionT8T7T7
DrivetrainAWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG
Audio (watts, speakers)630, 14600, 14900, 12
Tire (rear if not all the same)275/35-21255/35-19255/35-19
Total Price$138,475$162,835$225,675
Adjustments for Features0-4,485-7,035
Feature-Adjusted Total Price$138,475$158,350$218,640
Cost Above Minimum$0$0$60,290
Total Invoice$128,853$151,503$210,034
Adjustments for Features0-4,173-6,547
Feature-Adjusted Total Invoice$128,853$147,330$203,487
Cost Above Minimum$0$0$56,157

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Features Comparison: Audi A8 / S8 vs. Mercedes-Benz SL

Model Year201820142014
ModelA8 / S8SLSL
TrimS8 PlusSL63 AMGSL65 AMG
Body4dr Sedan2dr Hardtop conv.2dr Hardtop conv.
Transmission and Drivetrain 
8-speed manually-shiftable automatic$1300  
7-speed manually-shiftable automatic $1200$1200
AWD$1700  
RWD $0$0
Accessories 
Active noise reduction$0  
Heated steering wheel$100  
Power rear side windows$200  
Remote app $25$25
Semi-automated parking system $500$500
Sunshade, rear, power$225  
Sunshades, second row, power$225  
Wind blocker, power small $300$300
Brakes, Airbags, and Other Safety 
Animal detection, night$50  
Around view cameras$500  
Auto-raising roll bars / headrests $500$500
Automatic braking, high-speed or partial $200$200
Blind spot collision prevention $150$150
Collision preparation system, rear$100  
Driver drowsiness monitor $150$150
Full-size spare tire$225  
Lane departure prevention $150$150
Lane departure prevention, steering-based$200  
Pedestrian detection, night$50  
Rear side airbags$300  
Rearview camera $200$200
Rollover sensor$50  
Torque vectoring, brake-based $100$100
Wide-view front camera$150  
Wide-view rear camera$0  
Cargo Management 
Cargo net$40  
Rear seat pass-through$100  
Ski sack$50  
Storage compartment under front seat(s) $50$50
Climate Control 
Adaptive windshield washer system $0$0
Rear air vents with automatic controls$250  
Rear dual-zone climate control$125  
Wiper de-icer $25$25
Drivetrain 
Limited-slip rear differential  $300
Engine / Motor 
Automatic start / stop $150$150
Dual-mode exhaust, switchable$500  
Raised top speed limiter$0  
Exterior 
Black exterior trim (optional)$0  
Black grille (optional)$0  
Body kit$0  
Bright-finished exhaust tip(s) $25$25
Carbon fiber exterior trim (other)$100  
Carbon fiber mirror housings$100  
Carbon fiber rear spoiler$300  
Electronically-variable tint, sunroof or glass roof panel  $2000
Glass roof panel(s) $300$300
Laminated front side windows$200  
Laminated rear side windows$100  
Power retractable hardtop $6750$6750
Rear spoiler $200$200
Sunroof$900  
Infotainment 
App support $0$0
CD changer, in-dash $325$325
CD player$125  
Handwriting recognition$200  
iPod integration $100$100
SMS text-to-speech reader $25$25
Telematics service, such as OnStar, with navigation $225$225
USB port$25  
Wi-Fi hotspot$50  
Instruments, Lights, and Mirrors 
Analog clock$25  
Auto-dimming passenger-side mirror$75  
Chronometer $100$100
Compass$0  
Fog lights $125$125
Head-up display (HUD)$350  
Interior ambient lighting $150$150
Interior ambient lighting, configurable$150  
LED headlights$1000  
Power-folding mirrors$50  
Xenon HID headlights $500$500
Seats and Interior Trim 
Automatic seat bolsters, driver $300$300
Automatic seat bolsters, front passenger $300$300
Carbon fiber trim$200  
Center armrest(s), second row$50  
Door sill trim plates$100  
Heated second row seats$200  
Illuminated door sill trim plates $200$200
Leather headliner  $1000
Metal pedals $75$75
Neck-level heating, front seats $150$150
No leather in second row $-300$-300
Power seat belt height adjusters, front row$25  
Power seatback bolsters, driver seat$100  
Power seatback bolsters, passenger seat$100  
Power thigh bolsters, driver seat$100  
Power thigh bolsters, passenger seat$100  
Power upper seatback recliner, driver seat$100  
Power upper seatback recliner, passenger seat$100  
Synthetic suede headliner$650$650 
Upholstered instrument panel$300  
Upholstered instrument panel, leather $1000$1000
Wood trim $300$300
Suspension, Wheels, and Tires 
Active steering$1000  
Adaptive dampers - electrical$500  
Adaptive hydraulic struts, auto-leveling and ht. adjustable $4000$4000
Air suspension, auto-leveling and height adjustable$1000  
Sport suspension (upgrade) $0$0
Transmission 
Launch control $100 
Total Value of Features$14,815$19,300$21,850
Value of Feature Adjustments$0$4,485$7,035
Value of Feature Adjustments0-4,173-6,547

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Specifications Comparison: Audi A8 / S8 vs. Mercedes-Benz SL

Model Year20182014
ModelA8 / S8SL
Body4dr Sedan2dr Hardtop conv.
Wheelbase117.8 in101.8 in
Length202.6 in181.8 in
Width76.7 in73.9 in
Height57.4 in51.8 in
Curb Weight4,686 lb.4,002 lb.
Fuel Capacity21.7 gal.19.8 gal.
Row 1 Headroom37.2 in39.1 in
Row 1 Shoulder Room59.1 in55.5 in
Row 1 Legroom41.4 in42.9 in
Row 2 Headroom38.1 in0.0 in
Row 2 Shoulder Room57.8 in0.0 in
Row 2 Legroom38.7 in0.0 in
Cargo Volume,
Minimum
14.2 ft38.5 ft3
Cargo Volume,
Maximum
14.213.5 ft3

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Option Package Details
Audi A8 / S8 S8 Plus

Executive Plus Package
FeatureValueRequested?
Heated second row seats200No
Rear seat pass-through100No
Heated steering wheel100No
Ski sack50No
Forward collision warning200Yes
Lane departure prevention, steering-based200No
Radar- or camera-based collision preparation system0Yes
Lane departure warning200Yes
Adaptive cruise control, all-speed700Yes
Automatic braking, low-speed200Yes
Total Requested130067%
Total Not Requested65033%
Dynamic Package
FeatureValueRequested?
Ceramic brake rotors4000Yes
Raised top speed limiter0No
Total Requested4000100%
Total Not Requested00%
Black Optic Plus Exterior Package
FeatureValueRequested?
Sport exhaust0No
Carbon fiber rear spoiler100No
Carbon fiber exterior trim (other)100No
Carbon fiber mirror housings100No
Black grille (optional)0No
Black exterior trim (optional)0No
Total Requested00%
Total Not Requested300100%

Option Package Details
Mercedes-Benz SL SL63 AMG

Driver Assistance Package
FeatureValueRequested?
Radar- or camera-based collision preparation system0Yes
Lane departure warning system200Yes
Adaptive cruise control, all-speed700Yes
Blind spot warning system200Yes
Lane departure prevention system150Yes
Automatic braking, low-speed200Yes
Automatic braking, high-speed200No
Forward collision alert200Yes
Blind spot intervention150No
Total Requested165083%
Total Not Requested35017%

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