Audi A4 / S4 Audi A4 / S4 2018 Mercedes-Benz SLK Mercedes-Benz SLK 2007

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

Join Us

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

Lowest Total Price: $52,950

Audi A4 / S4 S4 3.0T   
Difference: $16,360

Lowest Total Invoice: $49,313

Audi A4 / S4 S4 3.0T   
Difference: $15,289

Calculate Payments

  Down Payment Interest Rate Term
Model Year20182007
ModelA4 / S4SLK
TrimS4 3.0TSLK55 AMG
Body4dr Sedan2dr Hardtop conv.
Base Price $51,400 $62,500
Base Invoice $47,802 $58,125
Metallic paint (extra cost) 575 700
Lighting Package   1,000
Premium II Package   1,400
Automatic climate control, front   710
Bluetooth cell phone link   925
Metallic paint (extra cost) 536 650
Lighting Package   930
Premium II Package   1,302
Automatic climate control, front   660
Bluetooth cell phone link   860
Options (change) 575 4,735
Options (change) 536 4,402
Destination 975 775
Gas Tax 0 1,300
Total Price $52,950 $69,310
Total Invoice $49,313 $64,602

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 A4 / S4 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 A4 / S4 vs. Mercedes-Benz SLK

Lowest Adjusted Price and Invoice: Audi A4 / S4 S4 3.0T
TrueDelta Adjusted Price Difference: $18,075
TrueDelta Adjusted Invoice Difference: $16,886
Model Year20182007
ModelA4 / S4SLK
TrimS4 3.0TSLK55 AMG
Body4dr Sedan2dr Hardtop conv.
Engine354hp V6355hp V8
TransmissionT8T7
DrivetrainAWDRWD
EPA Fuel Economy (city/highway)21/30 MPG16/22 MPG
Audio (watts, speakers)755, 19380, 11
Tire (rear if not all the same)245/40-18225/40-18
Total Price$52,950$69,310
Adjustments for Features-1,7150
Feature-Adjusted Total Price$51,235$69,310
Total Invoice$49,313$64,602
Adjustments for Features-1,5970
Feature-Adjusted Total Invoice$47,716$64,602

Return to top

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

Model Year20182007
ModelA4 / S4SLK
TrimS4 3.0TSLK55 AMG
Body4dr Sedan2dr Hardtop conv.
Transmission and Drivetrain 
8-speed manually-shiftable automatic$1300 
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, small $100
Brakes, Airbags, and Other Safety 
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 
Obstacle detection, front$150 
Obstacle detection, rear$250 
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 
Tire-pressure monitor$75 
Torque vectoring, brake-based$100 
Vehicle exit assist$25 
Cargo Management 
Air-conditioned storage compartment$50 
Climate Control 
Rear air vents with automatic controls$250 
Residual heat $50
Engine / Motor 
Automatic start / stop$150 
Regenerative braking$0 
Exterior 
Power retractable hardtop $6750
Sunroof$900 
Infotainment 
Android Auto support$100 
Apple CarPlay support$100 
Bluetooth audio streaming$25 
CD player $125
CD player, remote$100 
HD radio$50 
MP3-compatible player$50 
Voice control for audio system$25 
Instruments, Lights, and Mirrors 
Analog clock $25
Auto-dimming passenger-side mirror$75 
Boost gauge$75 
Compass$0 
Cornering lights $50
Headlight washers $50
Illuminated visor mirror, driver$50 
Illuminated visor mirror, passenger$50 
LED headlights$1000 
Mirror tilt-down in reverse $25
Power-folding mirrors$50 
Visor mirror, driver $10
Visor mirror, passenger $10
Xenon HID headlights $500
Seats and Interior Trim 
Center armrest(s), second row$50 
Folding second row seats$300 
Illuminated door sill trim plates$200 
Manual thigh support length adjuster, driver seat$50 
Manual thigh support length adjuster, passenger seat$50 
Massage, driver seat$100 
Massage, passenger seat$100 
Memory system, passenger seat $150
Power 4-way lumbar adjuster, driver seat$150 
Power 4-way lumbar adjuster, passenger seat$150 
Power seatback bolsters, driver seat$100 
Power seatback bolsters, passenger seat$100 
Synthetic suede door panel trim$250 
Suspension, Wheels, and Tires 
Electronic systems calibration selector$200 
Transmission 
Launch control$100 
Total Value of Features$11,125$9,410
Value of Feature Adjustments$1,715$0
Value of Feature Adjustments-1,5970

Return to top

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

Model Year20182007
ModelA4 / S4SLK
Body4dr Sedan2dr Hardtop conv.
Wheelbase111.0 in95.7 in
Length186.1 in160.7 in
Width72.5 in70.4 in
Height56.2 in51.0 in
Curb Weight3,858 lb.3,420 lb.
Fuel Capacity16.9 gal.18.5 gal.
Row 1 Headroom38.9 in37.9 in
Row 1 Shoulder Room55.9 in52.2 in
Row 1 Hip Room0.0 in54.6 in
Row 1 Legroom41.3 in42.5 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 ft36.5 ft3
Cargo Volume,
Maximum
13.09.8 ft3

Return to top

Option Package Details
Mercedes-Benz SLK SLK55 AMG

Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50No
Cornering lights50No
Total Requested50083%
Total Not Requested10017%
Premium II Package
FeatureValueRequested?
Surround sound250Yes
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Aux input50Yes
Total Requested30046%
Total Not Requested35054%

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 Sedans, Wagons, and Convertibles.
See TrueDelta's information for all Audi models.