Mercedes-Benz SL Mercedes-Benz SL 2008 Audi A4 Audi A4 2017

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Mercedes-Benz SL vs. Audi A4 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 Invoice Comparison

Lowest Total Price: $46,025

Audi A4 A4 2.0T   
Difference: $56,260

Lowest Total Invoice: $42,872

Audi A4 A4 2.0T   
Difference: $52,405

Calculate Payments

  Down Payment Interest Rate Term
Model Year20082008200820082017
ModelSLSLSLSLA4
TrimSL550SL600SL55 AMGSL65 AMGA4 2.0T
Body2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.4dr Sedan
Base Price $95,300 $133,200 $129,300 $187,200 $37,300
Base Invoice $88,629 $123,876 $120,249 $174,096 $34,690
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  
Premium Plus Package         3,800
Metallic paint (extra cost)         575
Sport Plus Package         3,400
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  
Premium Plus Package         3,534
Metallic paint (extra cost)         536
Sport Plus Package         3,162
Options (change) 4,810 1,640 1,640 1,640 7,775
Options (change) 4,473 1,525 1,525 1,525 7,232
Destination 875 875 875 875 950
Gas Tax 1,300 2,600 2,600 2,600 0
Total Price $102,285 $138,315 $134,415 $192,315 $46,025
Total Invoice $95,277 $128,876 $125,249 $179,096 $42,872

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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

Lowest Adjusted Price and Invoice: Audi A4 A4 2.0T
TrueDelta Adjusted Price Difference: $47,895
TrueDelta Adjusted Invoice Difference: $44,613
Model Year20082008200820082017
ModelSLSLSLSLA4
TrimSL550SL600SL55 AMGSL65 AMGA4 2.0T
Body2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.4dr Sedan
Engine382hp V8510hp V12510hp V8604hp V12252hp I4
TransmissionT7T5T5T5S7
DrivetrainRWDRWDRWDRWDFWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)250, 8250, 8250, 8250, 8755, 19
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$46,025
Adjustments for Features-8,365-9,165-8,315-9,2650
Feature-Adjusted Total Price$93,920$129,150$126,100$183,050$46,025
Cost Above Minimum$0$35,230$32,180$89,130$0
Total Invoice$95,277$128,876$125,249$179,096$42,872
Adjustments for Features-7,792-8,540-7,748-8,6280
Feature-Adjusted Total Invoice$87,485$120,336$117,501$170,468$42,872
Cost Above Minimum$0$32,851$30,016$82,983$0

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Features Comparison: Mercedes-Benz SL vs. Audi A4

Model Year20082008200820082017
ModelSLSLSLSLA4
TrimSL550SL600SL55 AMGSL65 AMGA4 2.0T
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 
7-speed automated manual    $1200
RWD$0$0$0$0 
FWD    $0
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 
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
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
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 
Engine / Motor 
Automatic start / stop    $150
Regenerative braking    $0
Exterior 
Body kit  $0$0$0
Power retractable hardtop$6750$6750$6750$6750 
Sunroof    $900
Infotainment 
Android Auto support    $100
Apple CarPlay support    $100
Aux input    $50
Bluetooth audio streaming    $25
CD changer, remote$200$200$200$200 
CD player$125$125$125$125 
CD player, remote    $100
HD radio    $50
Navigation system$600$600$600$600 
SD Card slot    $25
USB port    $25
Voice control for audio system    $25
Voice control for nav and audio$100$100$100$100 
Instruments, Lights, and Mirrors 
Auto-dimming passenger-side mirror    $75
Compass    $0
Cornering lights$50$50 $50 
Headlight washers$50$50$50$50 
LED headlights    $1000
Mirror tilt-down in reverse$25$25$25$25 
Power-folding mirrors    $50
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 
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
Memory system, passenger seat$150$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 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 
Active steering    $1000
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$17,290$18,090$17,240$18,190$8,925
Value of Feature Adjustments$8,365$9,165$8,315$9,265$0
Value of Feature Adjustments-7,792-8,540-7,748-8,6280

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Specifications Comparison: Mercedes-Benz SL vs. Audi A4

Model Year20082017
ModelSLA4
Body2dr Hardtop conv.4dr Sedan
Wheelbase100.8 in111.0 in
Length178.5 in186.1 in
Width71.5 in72.5 in
Height51.0 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
7.3 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 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 A4 2.0T

Premium Plus Package
FeatureValueRequested?
Heated front seats200Yes
Body kit0Yes
Telematics service, such as OnStar200Yes
Obstacle detection, front150Yes
Obstacle detection, rear250Yes
Surround sound250Yes
Power-folding mirrors50No
245/40HR18 tires400No
LED headlights500No
Bang & Olufsen, 755W, 19 speakers (with subwoofer)350No
Satellite radio200Yes
Auto-dimming driver-side mirror75Yes
Alarm100No
Proximity key250Yes
Auto-dimming passenger-side mirror75No
Memory system, driver seat200Yes
Total Requested177555%
Total Not Requested147545%
Sport Plus Package
FeatureValueRequested?
Adaptive dampers - electrical500Yes
Synthetic suede inserts in leather seating surfaces0No
Active steering1000No
Metal pedals75Yes
245/40YR18 tires400No
Manual thigh support length adjuster, driver seat50Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Manual thigh support length adjuster, passenger seat50Yes
Dark-colored headliner (optional)0No
Sport suspension (upgrade)250Yes
Front sport buckets100Yes
Total Requested117546%
Total Not Requested140054%

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