Mercedes-Benz SL Mercedes-Benz SL 2008 Audi A4 / S4 Audi A4 / S4 2013

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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: $55,070

Audi A4 / S4 S4 3.0T   
Difference: $47,215

Lowest Total Invoice: $51,280

Audi A4 / S4 S4 3.0T   
Difference: $43,997

Calculate Payments

  Down Payment Interest Rate Term
Model Year20082008200820082013
ModelSLSLSLSLA4 / S4
TrimSL550SL600SL55 AMGSL65 AMGS4 3.0T
Body2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.4dr Sedan
Base Price $95,300 $133,200 $129,300 $187,200 $47,600
Base Invoice $88,629 $123,876 $120,249 $174,096 $44,268
Premium I Package 3,170        
Obstacle detection, rear 1,130 1,130 1,130 1,130  
Voice control for nav and audio 510 510 510 510  
Wood trim     0 0  
Navigation Package         3,050
Adaptive dampers - electrical         1,250
Active rear differential         1,250
Metallic paint (extra cost)         475
Proximity key         550
Premium I Package 2,948        
Obstacle detection, rear 1,051 1,051 1,051 1,051  
Voice control for nav and audio 474 474 474 474  
Wood trim     0 0  
Navigation Package         2,837
Adaptive dampers - electrical         1,163
Active rear differential         1,163
Metallic paint (extra cost)         443
Proximity key         511
Options (change) 4,810 1,640 1,640 1,640 6,575
Options (change) 4,473 1,525 1,525 1,525 6,117
Destination 875 875 875 875 895
Gas Tax 1,300 2,600 2,600 2,600 0
Total Price $102,285 $138,315 $134,415 $192,315 $55,070
Total Invoice $95,277 $128,876 $125,249 $179,096 $51,280

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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 Mercedes-Benz SL dealer quotes or Audi A4 / S4 dealer quotes from dealers using our car quote form.

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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: $37,565
TrueDelta Adjusted Invoice Difference: $35,008
Model Year20082008200820082013
ModelSLSLSLSLA4 / S4
TrimSL550SL600SL55 AMGSL65 AMGS4 3.0T
Body2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.4dr Sedan
Engine382hp V8510hp V12510hp V8604hp V12333hp V6
TransmissionT7T5T5T5M6
DrivetrainRWDRWDRWDRWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)250, 8250, 8250, 8250, 8180, 10
Tire (rear if not all the same)255/40-18255/40-18255/35-19255/35-19245/40-18
Total Price$102,285$138,315$134,415$192,315$55,070
Adjustments for Features-9,650-10,450-9,600-10,5500
Feature-Adjusted Total Price$92,635$127,865$124,815$181,765$55,070
Cost Above Minimum$0$35,230$32,180$89,130$0
Total Invoice$95,277$128,876$125,249$179,096$51,280
Adjustments for Features-8,989-9,737-8,945-9,8250
Feature-Adjusted Total Invoice$86,288$119,139$116,304$169,271$51,280
Cost Above Minimum$0$32,851$30,016$82,983$0

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

Model Year20082008200820082013
ModelSLSLSLSLA4 / S4
TrimSL550SL600SL55 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    
5-speed manually-shiftable automatic $1000$1000$1000 
6-speed manual    $150
RWD$0$0$0$0 
AWD    $1700
Accessories 
Power rear side windows    $200
Power trunk closer $350 $350 
Proximity key$250$250 $250$250
Remote window/roof operation$15$15$15$15 
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 
Auto-raising roll bars / headrests$500$500$500$500 
Knee airbag, driver$75$75$75$75 
Obstacle detection, front$150$150$150$150 
Rearview camera    $200
Side curtain airbags    $350
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
Exterior 
Body kit  $0$0 
Power retractable hardtop$6750$6750$6750$6750 
Sunroof    $900
Infotainment 
Aux input    $50
Bluetooth audio streaming    $25
CD changer, remote$200$200$200$200 
DVD-compatible player    $0
HD radio    $50
In-vehicle Internet    $150
iPod integration    $100
Media drive    $15
SD Card slot    $25
Surround sound$250$250$250$250 
Telematics service, such as OnStar$200$200$200$200 
Traffic + travel information    $25
Wi-Fi hotspot    $50
Instruments, Lights, and Mirrors 
Auto-dimming passenger-side mirror    $75
Compass    $0
Cornering lights$50$50 $50 
Headlight washers$50$50$50$50 
Mirror tilt-down in reverse$25$25$25$25 
Seats and Interior Trim 
Aluminum trim    $100
Center armrest(s), second row    $50
Cooled or ventilated front seats$300$300 $300 
Folding second row seats    $300
Leather-wrapped steering wheel$150   $150
Manual thigh support length adjuster, driver seat    $50
Manual thigh support length adjuster, passenger seat    $50
Memory system, passenger seat$150$150$150$150 
Metal pedals$75$75$75$75 
No leather in second row$-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 inserts in leather seating surfaces    $0
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 
Steering-wheel-mounted transmission controls  $100$100$100
Total Value of Features$16,465$17,265$16,415$17,365$6,815
Value of Feature Adjustments$9,650$10,450$9,600$10,550$0
Value of Feature Adjustments-8,989-9,737-8,945-9,8250

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

Model Year20082013
ModelSLA4 / S4
Body2dr Hardtop conv.4dr Sedan
Wheelbase100.8 in110.6 in
Length178.5 in185.1 in
Width71.5 in71.9 in
Height51.0 in56.2 in
Curb Weight4,221 lb.3,510 lb.
Fuel Capacity21.1 gal.16.9 gal.
Row 1 Headroom37.7 in40.0 in
Row 1 Shoulder Room54.0 in55.5 in
Row 1 Hip Room53.9 in0.0 in
Row 1 Legroom42.9 in41.3 in
Row 2 Headroom0.0 in37.5 in
Row 2 Shoulder Room0.0 in54.3 in
Row 2 Legroom0.0 in35.2 in
Cargo Volume,
Minimum
7.3 ft312.4 ft3
Cargo Volume,
Maximum
10.2 ft312.4 ft3

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Option Package Details
Mercedes-Benz SL SL550

Premium I Package
FeatureValueRequested?
Cooled or ventilated front seats300No
Cornering lights50No
Proximity key250Yes
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 Requested45045%
Total Not Requested55055%

Option Package Details
Audi A4 / S4 S4 3.0T

Active rear differential
FeatureValueRequested?
Active rear differential500No
Electronic systems calibration selector200No
Total Requested00%
Total Not Requested700100%
Navigation Package
FeatureValueRequested?
Navigation system600Yes
Obstacle detection, rear250Yes
Rearview camera200No
DVD-compatible player0No
Voice control for nav and audio100Yes
HD radio50No
Media drive, large15No
Traffic + travel information25No
In-vehicle Internet150No
Bluetooth audio streaming25No
Wi-Fi hotspot50No
Total Requested95065%
Total Not Requested51535%

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