| 1 | 0 | 3 | 4 | 3 | 4 |
Audi A6 / S6 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.
Models in short supply often sell at or even above these prices.
Audi A6 / S6 vs. Mercedes-Benz SLK Invoice Comparison
Lowest Total Price: $78,675 Audi A6 / S6 S6 | ||
| Difference: $830 | ||
Lowest Total Invoice: $73,321 Audi A6 / S6 S6 | ||
| Difference: $685 | ||
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| Model Year | 2011 | 2015 |
| Model | A6 / S6 | SLK |
| Trim | S6 | SLK55 AMG |
| Body | 4dr Sedan | 2dr Hardtop conv. |
| Base Price | $76,100 | $70,900 |
| Base Invoice | $70,774 | $65,937 |
| Carbon fiber trim | 400 | 2,250 |
| Multimedia Package | 2,330 | |
| Automatic climate control, front | 760 | |
| Metallic paint (extra cost) | 720 | |
| Proximity key | 650 | |
| Obstacle detection, rear | 970 | |
| Carbon fiber trim | 372 | 2,093 |
| Multimedia Package | 2,167 | |
| Automatic climate control, front | 707 | |
| Metallic paint (extra cost) | 670 | |
| Proximity key | 605 | |
| Obstacle detection, rear | 902 | |
| Options (change) | 400 | 7,680 |
| Options (change) | 372 | 7,144 |
| Destination | 875 | 925 |
| Gas Tax | 1,300 | 0 |
| Total Price | $78,675 | $79,505 |
| Total Invoice | $73,321 | $74,006 |
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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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Want to find out how much dealers are willing to discount these cars? Request free, no-obligation Audi A6 / S6 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 A6 / S6 vs. Mercedes-Benz SLK
| Lowest Adjusted Price and Invoice: Mercedes-Benz SLK SLK55 AMG | ||
| TrueDelta Adjusted Price Difference: $3,615 | ||
| TrueDelta Adjusted Invoice Difference: $3,453 | ||
| Model Year | 2011 | 2015 |
| Model | A6 / S6 | SLK |
| Trim | S6 | SLK55 AMG |
| Body | 4dr Sedan | 2dr Hardtop conv. |
| Engine | 435hp V10 | 415hp V8 |
| Transmission | T6 | T7 |
| Drivetrain | AWD | RWD |
| EPA Fuel Economy (city/highway) | 14/19 MPG | 19/28 MPG |
| Audio (watts, speakers) | 255, 9 | 500, 11 |
| Tire (rear if not all the same) | 265/35-19 | 235/40-18 |
| Total Price | $78,675 | $79,505 |
| Adjustments for Features | 0 | -4,445 |
| Feature-Adjusted Total Price | $78,675 | $75,060 |
| Total Invoice | $73,321 | $74,006 |
| Adjustments for Features | 0 | -4,138 |
| Feature-Adjusted Total Invoice | $73,321 | $69,868 |
Features Comparison: Audi A6 / S6 vs. Mercedes-Benz SLK
| Model Year | 2011 | 2015 |
| Model | A6 / S6 | SLK |
| Trim | S6 | SLK55 AMG |
| Body | 4dr Sedan | 2dr Hardtop conv. |
| Transmission and Drivetrain | ||
| 6-speed manually-shiftable automatic | $1100 | |
| 7-speed manually-shiftable automatic | $1200 | |
| AWD | $1700 | |
| RWD | $0 | |
| Accessories | ||
| Parking guidance system - passive | $250 | |
| Power rear side windows | $200 | |
| Remote app | $25 | |
| Remote window/roof operation | $15 | |
| Sunshade, rear, power | $225 | |
| Sunshades, second row | $125 | |
| Brakes, Airbags, and Other Safety | ||
| Driver drowsiness monitor | $150 | |
| Full-size spare tire | $225 | |
| Knee airbag, driver | $75 | |
| Knee airbag, passenger | $75 | |
| Obstacle detection, front | $150 | |
| Rearview camera | $200 | |
| Roll bar | $200 | |
| Temporary spare tire | $150 | |
| Torque vectoring, brake-based | $100 | |
| Cargo Management | ||
| Cargo net | $40 | |
| Rear seat pass-through | $100 | |
| Ski sack | $50 | |
| Storage compartment under front seat(s) | $50 | |
| Climate Control | ||
| Automatic air recirculation | $100 | |
| Rear air vents | $100 | |
| Engine / Motor | ||
| Automatic start / stop | $150 | |
| Dual-mode exhaust, switchable | $500 | |
| Exterior | ||
| Body kit | $0 | |
| Bodyside cladding | $350 | |
| Glass roof panel(s) | $300 | |
| Power retractable hardtop | $6750 | |
| Rear spoiler | $200 | |
| Sunroof | $900 | |
| Infotainment | ||
| App support | $0 | |
| Bluetooth audio streaming | $25 | |
| CD changer, remote | $200 | |
| CD player | $125 | |
| In-vehicle Internet | $150 | |
| iPod integration | $100 | |
| Navigation map updates, three years | $0 | |
| SD Card slot | $25 | |
| SMS text-to-speech reader | $25 | |
| Telematics service, such as OnStar, with navigation | $225 | |
| Traffic + travel information | $25 | |
| Traffic information | $25 | |
| USB port | $25 | |
| Instruments, Lights, and Mirrors | ||
| Analog clock | $25 | |
| Auto-dimming headlights | $200 | |
| Auto-dimming passenger-side mirror | $75 | |
| Cornering lights | $50 | |
| Fog lights | $125 | |
| Illuminated visor mirror, driver | $50 | |
| Illuminated visor mirror, passenger | $50 | |
| Power-folding mirrors | $50 | |
| Visor mirror, driver | $10 | |
| Visor mirror, passenger | $10 | |
| Seats and Interior Trim | ||
| Center armrest(s), second row | $50 | |
| Folding second row seats | $300 | |
| Heated second row seats | $200 | |
| Manual thigh support length adjuster, driver seat | $50 | |
| Memory system, passenger seat | $150 | |
| Metal pedals | $75 | |
| Neck-level heating, front seats | $150 | |
| No leather in second row | $-300 | |
| Power headrest height adjuster, driver seat | $50 | |
| Power headrest height adjuster, passenger seat | $50 | |
| Synthetic suede inserts in leather seating surfaces | $0 | |
| Total Value of Features | $6,840 | $11,285 |
| Value of Feature Adjustments | $0 | $4,445 |
| Value of Feature Adjustments | 0 | -4,138 |
Specifications Comparison: Audi A6 / S6 vs. Mercedes-Benz SLK
| Model Year | 2011 | 2015 |
| Model | A6 / S6 | SLK |
| Body | 4dr Sedan | 2dr Hardtop conv. |
| Wheelbase | 111.9 in | 95.7 in |
| Length | 193.5 in | 162.8 in |
| Width | 73.0 in | 71.5 in |
| Height | 57.5 in | 51.2 in |
| Curb Weight | 4,519 lb. | 3,583 lb. |
| Fuel Capacity | 21.1 gal. | 15.9 gal. |
| Row 1 Headroom | 38.7 in | 38.0 in |
| Row 1 Shoulder Room | 57.1 in | 52.2 in |
| Row 1 Legroom | 41.3 in | 42.5 in |
| Row 2 Headroom | 37.8 in | 0.0 in |
| Row 2 Shoulder Room | 55.9 in | 0.0 in |
| Row 2 Legroom | 36.9 in | 0.0 in |
| Cargo Volume, Minimum | 15.9 ft3 | 6.4 ft3 |
| Cargo Volume, Maximum | 15.9 | 10.1 ft3 |
Option Package Details
Mercedes-Benz SLK SLK55 AMG
| Automatic climate control, front | ||
| Feature | Value | Requested? |
| Automatic climate control, front | 200 | Yes |
| Dual-zone climate control | 125 | Yes |
| Total Requested | 325 | 100% |
| Total Not Requested | 0 | 0% |
| Obstacle detection, rear | ||
| Feature | Value | Requested? |
| Obstacle detection, rear | 250 | Yes |
| Obstacle detection, front | 150 | No |
| Parking guidance system - passive | 250 | No |
| Total Requested | 250 | 38% |
| Total Not Requested | 400 | 62% |
| Multimedia Package | ||
| Feature | Value | Requested? |
| DVD-compatible player | 0 | Yes |
| Media drive | 15 | Yes |
| Traffic + travel information | 25 | Yes |
| SD Card slot | 25 | No |
| In-vehicle Internet | 150 | No |
| App support | 0 | No |
| Navigation map updates, three years | 0 | No |
| Navigation system | 600 | Yes |
| Voice control for nav and audio | 100 | Yes |
| Total Requested | 740 | 81% |
| Total Not Requested | 175 | 19% |
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