Audi A5 / S5 / RS5 Audi A5 / S5 / RS5 2015 Mercedes-Benz SLK Mercedes-Benz SLK 2009

We are 103,000+ car owners sharing real-world car information.

Join Us

Audi A5 / S5 / RS5 vs. Mercedes-Benz SLK 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 A5 / S5 / RS5 vs. Mercedes-Benz SLK Invoice Comparison

Lowest Total Price: $73,035

Mercedes-Benz SLK SLK55 AMG   
Difference: $10,540

Lowest Total Invoice: $68,054

Mercedes-Benz SLK SLK55 AMG   
Difference: $9,736

Calculate Payments

  Down Payment Interest Rate Term
Model Year20152009
ModelA5 / S5 / RS5SLK
TrimRS 5SLK55 AMG
Body2dr Convertible2dr Hardtop conv.
Base Price $79,200 $65,700
Base Invoice $73,656 $61,101
Technology Package 2,900  
Metallic paint (extra cost) 550 720
Lighting Package   1,030
Multimedia Package   2,980
Automatic climate control, front   730
Technology Package 2,698  
Metallic paint (extra cost) 511 670
Lighting Package   958
Multimedia Package   2,771
Automatic climate control, front   679
Options (change) 3,450 5,460
Options (change) 3,209 5,078
Destination 925 875
Gas Tax 0 1,000
Total Price $83,575 $73,035
Total Invoice $77,790 $68,054

Return to top

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

Dealer Price Quotes

Want to find out how much dealers are willing to discount these cars?

Request free, no-obligation Audi A5 / S5 / RS5 dealer quotes or Mercedes-Benz SLK dealer quotes from dealers using our car quote form.

The process is easy and takes just a minute or two. You'll receive price quotes from local approved dealers within 48 hours.

TrueDelta Value Comparison: Audi A5 / S5 / RS5 vs. Mercedes-Benz SLK

Lowest Adjusted Price and Invoice: Mercedes-Benz SLK SLK55 AMG
TrueDelta Adjusted Price Difference: $6,950
TrueDelta Adjusted Invoice Difference: $6,394
Model Year20152009
ModelA5 / S5 / RS5SLK
TrimRS 5SLK55 AMG
Body2dr Convertible2dr Hardtop conv.
Engine450hp V8355hp V8
TransmissionS7T7
DrivetrainAWDRWD
EPA Fuel Economy (city/highway)16/23 MPG14/22 MPG
Audio (watts, speakers)505, 14380, 11
Tire (rear if not all the same)265/35-19225/40-18
Total Price$83,575$73,035
Adjustments for Features-3,5900
Feature-Adjusted Total Price$79,985$73,035
Total Invoice$77,790$68,054
Adjustments for Features-3,3420
Feature-Adjusted Total Invoice$74,448$68,054

Return to top

Features Comparison: Audi A5 / S5 / RS5 vs. Mercedes-Benz SLK

Model Year20152009
ModelA5 / S5 / RS5SLK
TrimRS 5SLK55 AMG
Body2dr Convertible2dr Hardtop conv.
Transmission and Drivetrain 
7-speed automated manual$1200 
7-speed manually-shiftable automatic $1200
AWD$1700 
RWD $0
Accessories 
Power rear side windows$200 
Proximity key$250 
Remote window/roof operation $15
Tilt/telescoping steering wheel, manual$250 
Tilt/telescoping steering wheel, power $350
Wind blocker$300 
Wind blocker, small $100
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0 
Auto-raising roll bars / headrests$500 
Blind spot warning system$200 
Obstacle detection, front$150 
Obstacle detection, rear$250 
Rearview camera$200 
Side curtain airbags$350 
Cargo Management 
Air-conditioned storage compartment$50 
Climate Control 
Automatic air recirculation$100 
Rear air vents with automatic controls$250 
Residual heat $50
Drivetrain 
Active rear differential$500 
Engine / Motor 
Dual-mode exhaust, switchable$500 
Exterior 
Body kit $0
Power convertible top$4000 
Power retractable hardtop $6750
Infotainment 
Bluetooth audio streaming$25 
CD changer, in-dash $325
CD player$125 
HD radio$50 
In-vehicle Internet$150 
Telematics service, such as OnStar $200
Traffic + travel information$25 
Wi-Fi hotspot$50 
Instruments, Lights, and Mirrors 
Analog clock $25
Auto-dimming passenger-side mirror$75 
Compass$0 
Illuminated visor mirror, driver$50 
Illuminated visor mirror, passenger$50 
Mirror tilt-down in reverse $25
Steering-linked headlights$150 
Visor mirror, driver $10
Visor mirror, passenger $10
Seats and Interior Trim 
Aluminum trim $100
Carbon fiber trim$200 
Folding second row seats$300 
Manual thigh support length adjuster, driver seat$50 
Manual thigh support length adjuster, passenger seat$50 
Memory system, passenger seat $150
No leather in second row $-300
Synthetic suede inserts in leather seating surfaces $0
Suspension, Wheels, and Tires 
Electronic systems calibration selector$200 
Sport suspension (upgrade) $0
Ultra-sport suspension (upgrade)$0 
Transmission 
Launch control$100 
Total Value of Features$12,600$9,010
Value of Feature Adjustments$3,590$0
Value of Feature Adjustments-3,3420

Return to top

Specifications Comparison: Audi A5 / S5 / RS5 vs. Mercedes-Benz SLK

Model Year20152009
ModelA5 / S5 / RS5SLK
Body2dr Convertible2dr Hardtop conv.
Wheelbase108.3 in95.7 in
Length182.1 in160.7 in
Width73.0 in70.4 in
Height54.4 in51.0 in
Curb Weight4,372 lb.3,420 lb.
Fuel Capacity16.9 gal.18.5 gal.
Row 1 Headroom40.0 in37.9 in
Row 1 Shoulder Room54.3 in52.2 in
Row 1 Hip Room0.0 in54.6 in
Row 1 Legroom41.3 in42.5 in
Row 2 Headroom36.3 in0.0 in
Row 2 Shoulder Room46.8 in0.0 in
Row 2 Legroom31.9 in0.0 in
Cargo Volume,
Minimum
10.2 ft36.5 ft3
Cargo Volume,
Maximum
10.29.8 ft3

Return to top

Option Package Details
Audi A5 / S5 / RS5 RS 5

Technology Package
FeatureValueRequested?
Rearview camera200No
Blind spot warning system200No
In-vehicle Internet150No
Wi-Fi hotspot50No
Bluetooth audio streaming25No
Navigation system600Yes
DVD-compatible player0Yes
Voice control for nav and audio100Yes
HD radio50No
Media drive15Yes
Traffic + travel information25No
Total Requested71551%
Total Not Requested70049%

Option Package Details
Mercedes-Benz SLK SLK55 AMG

Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Cornering lights50Yes
Total Requested600100%
Total Not Requested00%
Multimedia Package
FeatureValueRequested?
Navigation system600Yes
Surround sound250Yes
DVD-compatible player0Yes
Voice control for nav and audio100Yes
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Media drive, large15Yes
SD Card slot25Yes
Total Requested99074%
Total Not Requested35026%

Was this information useful?

We're glad we could help! Share this page:

We're so sorry! Tell us how we can improve it.

See TrueDelta's information for all Coupes, Convertibles, and Hatchbacks.
See TrueDelta's information for all Audi models.