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

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Audi A4 / S4 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 A4 / S4 vs. Mercedes-Benz SL 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 Year20182009200920092009
ModelA4 / S4SLSLSLSL
TrimS4 3.0TSL550SL600SL63 AMGSL65 AMG
Body4dr Sedan2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Base Price $51,400 $98,500 $139,100 $135,000 $194,700
Base Invoice $47,802 $91,605 $129,363 $125,550 $181,071
S Sport Package 2,500        
Navigation and Telematics Package 2,600        
Warm Weather Package 950        
Metallic paint (extra cost) 575        
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 2,326        
Navigation and Telematics Package 2,418        
Warm Weather Package 884        
Metallic paint (extra cost) 536        
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
Options (change) 6,625 5,590 700 1,840 700
Options (change) 6,164 5,199 651 1,711 651
Destination 975 875 875 875 875
Gas Tax 0 1,300 2,600 2,600 2,600
Total Price $59,000 $106,265 $143,275 $140,315 $198,875
Total Invoice $54,941 $98,979 $133,489 $130,736 $185,197

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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 A4 / S4 vs. Mercedes-Benz SL

Lowest Adjusted Price and Invoice: Audi A4 / S4 S4 3.0T
TrueDelta Adjusted Price Difference: $41,975
TrueDelta Adjusted Invoice Difference: $39,111
Model Year20182009200920092009
ModelA4 / S4SLSLSLSL
TrimS4 3.0TSL550SL600SL63 AMGSL65 AMG
Body4dr Sedan2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Engine354hp V6382hp V8510hp V12518hp V8604hp V12
TransmissionT8T7T5T7T5
DrivetrainAWDRWDRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)755, 19510, 10510, 10510, 10510, 10
Tire (rear if not all the same)245/40-18255/40-18255/40-18255/35-19255/35-19
Total Price$59,000$106,265$143,275$140,315$198,875
Adjustments for Features0-5,290-6,240-5,290-6,340
Feature-Adjusted Total Price$59,000$100,975$137,035$135,025$192,535
Cost Above Minimum$0$0$36,060$34,050$91,560
Total Invoice$54,941$98,979$133,489$130,736$185,197
Adjustments for Features0-4,927-5,814-4,929-5,904
Feature-Adjusted Total Invoice$54,941$94,052$127,675$125,807$179,293
Cost Above Minimum$0$0$33,623$31,755$85,241

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

Model Year20182009200920092009
ModelA4 / S4SLSLSLSL
TrimS4 3.0TSL550SL600SL63 AMGSL65 AMG
Body4dr Sedan2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Transmission and Drivetrain 
8-speed manually-shiftable automatic$1300    
7-speed manually-shiftable automatic $1200 $1200 
5-speed manually-shiftable automatic  $1000 $1000
AWD$1700    
RWD $0$0$0$0
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$12,050$17,340$18,290$17,340$18,390
Value of Feature Adjustments$0$5,290$6,240$5,290$6,340
Value of Feature Adjustments0-4,927-5,814-4,929-5,904

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

Model Year20182009
ModelA4 / S4SL
Body4dr Sedan2dr Hardtop conv.
Wheelbase111.0 in100.8 in
Length186.1 in180.4 in
Width72.5 in71.5 in
Height56.2 in51.1 in
Curb Weight3,451 lb.4,221 lb.
Fuel Capacity16.9 gal.21.1 gal.
Row 1 Headroom38.9 in37.7 in
Row 1 Shoulder Room55.9 in54.0 in
Row 1 Hip Room0.0 in53.9 in
Row 1 Legroom41.3 in42.9 in
Row 2 Headroom37.4 in0.0 in
Row 2 Shoulder Room54.5 in0.0 in
Row 2 Legroom35.7 in0.0 in
Cargo Volume,
Minimum
13.0 ft37.2 ft3
Cargo Volume,
Maximum
13.010.2 ft3

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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%
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%
Warm Weather Package
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Sunshades, second row125No
Total Requested30071%
Total Not Requested12529%

Option Package Details
Mercedes-Benz SL SL550

Obstacle detection, rear
FeatureValueRequested?
Obstacle detection, rear250Yes
Obstacle detection, front150Yes
Total Requested400100%
Total Not Requested00%
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
Mercedes-Benz SL SL63 AMG

Obstacle detection, rear
FeatureValueRequested?
Obstacle detection, rear250Yes
Obstacle detection, front150Yes
Total Requested400100%
Total Not Requested00%

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