Mercedes-Benz SL Mercedes-Benz SL 2009 Audi A4 / S4 Audi A4 / S4 2018

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Mercedes-Benz SL vs. Audi A4 / S4 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.

Mercedes-Benz SL vs. Audi A4 / S4 Invoice Comparison

Lowest Total Price: $59,000

Audi A4 / S4 S4 3.0T   
Difference: $47,265

Lowest Total Invoice: $54,941

Audi A4 / S4 S4 3.0T   
Difference: $44,038

Calculate Payments

  Down Payment Interest Rate Term
Model Year20092009200920092018
ModelSLSLSLSLA4 / S4
TrimSL550SL600SL63 AMGSL65 AMGS4 3.0T
Body2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.4dr Sedan
Base Price $98,500 $139,100 $135,000 $194,700 $51,400
Base Invoice $91,605 $129,363 $125,550 $181,071 $47,802
Premium I Package 3,750        
Obstacle detection, rear 1,140   1,140    
Illuminated door sill trim plates 700 700 700 700  
Wood trim     0 0  
S Sport Package         2,500
Warm Weather Package         950
Navigation and Telematics Package         2,600
Metallic paint (extra cost)         575
Premium I Package 3,488        
Obstacle detection, rear 1,060   1,060    
Illuminated door sill trim plates 651 651 651 651  
Wood trim     0 0  
S Sport Package         2,326
Warm Weather Package         884
Navigation and Telematics Package         2,418
Metallic paint (extra cost)         536
Options (change) 5,590 700 1,840 700 6,625
Options (change) 5,199 651 1,711 651 6,164
Destination 875 875 875 875 975
Gas Tax 1,300 2,600 2,600 2,600 0
Total Price $106,265 $143,275 $140,315 $198,875 $59,000
Total Invoice $98,979 $133,489 $130,736 $185,197 $54,941

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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: Mercedes-Benz SL vs. Audi A4 / S4

Lowest Adjusted Price and Invoice: Audi A4 / S4 S4 3.0T
TrueDelta Adjusted Price Difference: $41,975
TrueDelta Adjusted Invoice Difference: $39,111
Model Year20092009200920092018
ModelSLSLSLSLA4 / S4
TrimSL550SL600SL63 AMGSL65 AMGS4 3.0T
Body2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.4dr Sedan
Engine382hp V8510hp V12518hp V8604hp V12354hp V6
TransmissionT7T5T7T5T8
DrivetrainRWDRWDRWDRWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)510, 10510, 10510, 10510, 10755, 19
Tire (rear if not all the same)255/40-18255/40-18255/35-19255/35-19245/40-18
Total Price$106,265$143,275$140,315$198,875$59,000
Adjustments for Features-5,290-6,240-5,290-6,3400
Feature-Adjusted Total Price$100,975$137,035$135,025$192,535$59,000
Cost Above Minimum$0$36,060$34,050$91,560$0
Total Invoice$98,979$133,489$130,736$185,197$54,941
Adjustments for Features-4,927-5,814-4,929-5,9040
Feature-Adjusted Total Invoice$94,052$127,675$125,807$179,293$54,941
Cost Above Minimum$0$33,623$31,755$85,241$0

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Features Comparison: Mercedes-Benz SL vs. Audi A4 / S4

Model Year20092009200920092018
ModelSLSLSLSLA4 / S4
TrimSL550SL600SL63 AMGSL65 AMGS4 3.0T
Body2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.4dr Sedan
Transmission and Drivetrain 
7-speed manually-shiftable automatic$1200 $1200  
5-speed manually-shiftable automatic $1000 $1000 
8-speed manually-shiftable automatic    $1300
RWD$0$0$0$0 
AWD    $1700
Accessories 
Power rear side windows    $200
Power trunk closer$350$350 $350 
Proximity key$250$250 $250$250
Remote app    $25
Remote window/roof operation$15$15$15$15 
Sunshades, second row    $125
Tilt/telescoping steering wheel, manual    $250
Tilt/telescoping steering wheel, power$350$350$350$350 
Wind blocker, small$100$100$100$100 
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0$0$0$0 
Auto-raising roll bars / headrests$500$500$500$500 
Automatic braking, high-speed or partial    $200
Automatic braking, low-speed    $200
Blind spot warning system    $200
Collision preparation system, rear    $100
Cross-traffic warning, rear    $100
Driver drowsiness monitor    $150
Forward collision warning    $200
Knee airbag, passenger    $75
Pedestrian detection    $50
Radar- or camera-based collision preparation system    $0
Rearview camera    $200
Rollover sensor    $50
Secondary collision brake assist    $25
Side curtain airbags    $350
Torque vectoring, brake-based    $100
Vehicle exit assist    $25
Cargo Management 
Storage compartment under front seat(s)$50$50$50$50 
Climate Control 
Rear air vents with automatic controls    $250
Residual heat$50$50$50$50 
Wiper de-icer$25$25$25$25 
Drivetrain 
Active rear differential    $500
Engine / Motor 
Automatic start / stop    $150
Regenerative braking    $0
Exterior 
Body kit  $0$0$0
Glass roof panel(s) $300 $300 
Painted brake calipers (optional)    $0
Power retractable hardtop$6750$6750$6750$6750 
Rear spoiler    $200
Sunroof    $900
Infotainment 
4G LTE connectivity    $0
Android Auto support    $100
Apple CarPlay support    $100
Bluetooth audio streaming    $25
CD changer, in-dash$325$325$325$325 
CD player, remote    $100
Handwriting recognition    $200
HD radio    $50
In-vehicle Internet    $150
iPod integration$100$100$100$100 
Traffic + travel information    $25
USB port    $25
Wi-Fi hotspot    $50
Instruments, Lights, and Mirrors 
Auto-dimming passenger-side mirror    $75
Boost gauge    $75
Compass    $0
Cornering lights$50$50$50$50 
Headlight washers$50$50$50$50 
Large color reconfigurable instrument cluster display    $250
LED headlights    $1000
Mirror tilt-down in reverse$25$25$25$25 
Power-folding mirrors    $50
Steering-linked headlights$150$150$150$150 
Xenon HID headlights$500$500$500$500 
Seats and Interior Trim 
Aluminum trim    $100
Center armrest(s), second row    $50
Cooled or ventilated front seats$300$300 $300$300
Folding second row seats    $300
Leather door panel trim$250$250$250$250 
Leather-wrapped steering wheel$150   $150
Manual thigh support length adjuster, driver seat    $50
Manual thigh support length adjuster, passenger seat    $50
Massage, driver seat $100$100$100 
Massage, passenger seat $100$100$100 
Memory system, passenger seat$150$150$150$150 
Neck-level heating, front seats$150$150 $150 
No leather in second row$-300$-300$-300$-300 
Power headrest height adjuster, driver seat$50$50$50$50 
Power headrest height adjuster, passenger seat$50$50$50$50 
Power seatback bolsters, driver seat$100$100$100$100 
Power seatback bolsters, passenger seat$100$100$100$100 
Power thigh support length adjuster, driver seat$100$100$100$100 
Power thigh support length adjuster, passenger seat$100$100$100$100 
Synthetic suede headliner $650$650$650 
Synthetic suede steering wheel  $150$150 
Upholstered instrument panel, leather$1000$1000$1000$1000 
Wood trim$300$300$300$300 
Wood/leather-wrapped steering wheel $150   
Suspension, Wheels, and Tires 
Adaptive dampers - electrical    $500
Adaptive hydraulic struts, auto-leveling and ht. adjustable$4000$4000$4000$4000 
Electronic systems calibration selector    $200
Sport suspension (upgrade)  $0$0$0
Transmission 
Launch control  $100 $100
Steering-wheel-mounted transmission controls  $100$100$100
Total Value of Features$17,340$18,290$17,340$18,390$12,050
Value of Feature Adjustments$5,290$6,240$5,290$6,340$0
Value of Feature Adjustments-4,927-5,814-4,929-5,9040

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Specifications Comparison: Mercedes-Benz SL vs. Audi A4 / S4

Model Year20092018
ModelSLA4 / S4
Body2dr Hardtop conv.4dr Sedan
Wheelbase100.8 in111.0 in
Length180.4 in186.1 in
Width71.5 in72.5 in
Height51.1 in56.2 in
Curb Weight4,221 lb.3,451 lb.
Fuel Capacity21.1 gal.16.9 gal.
Row 1 Headroom37.7 in38.9 in
Row 1 Shoulder Room54.0 in55.9 in
Row 1 Hip Room53.9 in0.0 in
Row 1 Legroom42.9 in41.3 in
Row 2 Headroom0.0 in37.4 in
Row 2 Shoulder Room0.0 in54.5 in
Row 2 Legroom0.0 in35.7 in
Cargo Volume,
Minimum
7.2 ft313.0 ft3
Cargo Volume,
Maximum
10.2 ft313.0 ft3

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Option Package Details
Mercedes-Benz SL SL550

Premium I Package
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Power decklid350No
Proximity key250Yes
Neck-level heating, front seats150No
Power 4-way lumbar adjuster, driver seat50Yes
Power seatback bolsters, driver100No
Power 4-way lumbar adjuster, passenger seat50Yes
Power seatback bolsters, passenger seat100No
Front sport buckets100Yes
Total Requested75052%
Total Not Requested70048%

Option Package Details
Audi A4 / S4 S4 3.0T

S Sport Package
FeatureValueRequested?
Adaptive dampers - electrical500Yes
Active rear differential500No
Painted brake calipers (optional)0No
Total Requested50050%
Total Not Requested50050%
Warm Weather Package
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Sunshades, second row125No
Total Requested30071%
Total Not Requested12529%
Navigation and Telematics Package
FeatureValueRequested?
Large color reconfigurable instrument cluster display250No
Handwriting recognition200No
Remote app25No
Speed limit information0No
4G LTE connectivity0No
Navigation system600Yes
DVD-compatible player0Yes
Voice control for nav and audio75Yes
Media drive15Yes
Traffic + travel information25No
In-vehicle Internet150No
Wi-Fi hotspot50No
Total Requested69050%
Total Not Requested70050%

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