| 1 | 0 | 3 | 4 | 3 | 4 |
Mercedes-Benz SLK vs. Audi A6 / S6 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.
Mercedes-Benz SLK vs. Audi A6 / S6 Invoice Comparison
Lowest Total Price: $54,015 Mercedes-Benz SLK SLK280 | ||||||
| Difference: $5,455 | ||||||
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| Model Year | 2008 | 2008 | 2008 | 2020 | 2020 | 2020 |
| Model | SLK | SLK | SLK | A6 / S6 | A6 / S6 | A6 / S6 |
| Trim | SLK280 | SLK350 | SLK55 AMG | 45 | 55 | S6 |
| Body | 2dr Hardtop conv. | 2dr Hardtop conv. | 2dr Hardtop conv. | 4dr Sedan | 4dr Sedan | 4dr Sedan |
| Base Price | $44,150 | $49,450 | $63,200 | $54,900 | $59,800 | $73,900 |
| Premium II Package | 3,995 | 3,995 | 1,410 | |||
| Lighting Package | 1,010 | 1,010 | 1,010 | |||
| Heating Package | 980 | 980 | ||||
| Metallic paint (extra cost) | 710 | 710 | 710 | 575 | 575 | 575 |
| Automatic climate control, front | 720 | 720 | 720 | |||
| iPod integration | 375 | 375 | 375 | |||
| Navigation system | 1,200 | 1,200 | 1,200 | |||
| Appearance Package | 1,000 | |||||
| Competition Package | 3,000 | 3,000 | ||||
| Premium II Package | 3,715 | 3,715 | 1,311 | |||
| Lighting Package | 939 | 939 | 939 | |||
| Heating Package | 911 | 911 | ||||
| Metallic paint (extra cost) | 659 | 659 | 659 | 536 | 536 | 536 |
| Automatic climate control, front | 670 | 670 | 670 | |||
| iPod integration | 349 | 349 | 349 | |||
| Navigation system | 1,116 | 1,116 | 1,116 | |||
| Appearance Package | 930 | |||||
| Competition Package | 2,790 | 2,790 | ||||
| Options (change) | 8,990 | 9,990 | 5,425 | 3,575 | 3,575 | 575 |
| Options (change) | 8,359 | 9,289 | 5,044 | 3,326 | 3,326 | 536 |
| Destination | 875 | 875 | 875 | 995 | 995 | 995 |
| Gas Tax | 0 | 0 | 1,300 | 0 | 0 | 0 |
| Total Price | $54,015 | $60,315 | $70,800 | $59,470 | $64,370 | $75,470 |
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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 Mercedes-Benz SLK dealer quotes or Audi A6 / S6 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: Mercedes-Benz SLK vs. Audi A6 / S6
| Lowest Adjusted Price: Mercedes-Benz SLK SLK280 | ||||||
| Lowest Adjusted Invoice: Audi A6 / S6 S6 | ||||||
| TrueDelta Adjusted Price Difference: $3,510 | ||||||
| TrueDelta Adjusted Invoice Difference: $48,829 | ||||||
| Model Year | 2008 | 2008 | 2008 | 2020 | 2020 | 2020 |
| Model | SLK | SLK | SLK | A6 / S6 | A6 / S6 | A6 / S6 |
| Trim | SLK280 | SLK350 | SLK55 AMG | 45 | 55 | S6 |
| Body | 2dr Hardtop conv. | 2dr Hardtop conv. | 2dr Hardtop conv. | 4dr Sedan | 4dr Sedan | 4dr Sedan |
| Engine | 228hp V6 | 268hp V6 | 355hp V8 | 335hp V6 H | 335hp V6 H | 444hp V6 H |
| Transmission | M6 | T7 | T7 | S7 | S7 | T8 |
| Drivetrain | RWD | RWD | RWD | AWD | AWD | AWD |
| EPA Fuel Economy (city/highway) | / MPG | / MPG | / MPG | / MPG | / MPG | / MPG |
| Audio (watts, speakers) | 380, 11 | 380, 11 | 380, 11 | 630, 14 | 630, 14 | 630, 14 |
| Tire (rear if not all the same) | 205/55-16 | 225/45-17 | 225/40-18 | 245/45-19 | 245/45-19 | 255/40-20 |
| Total Price | $54,015 | $60,315 | $70,800 | $59,470 | $64,370 | $75,470 |
| Adjustments for Features | 0 | -1,350 | -1,300 | -1,945 | -1,945 | -3,245 |
| Feature-Adjusted Total Price | $54,015 | $58,965 | $69,500 | $57,525 | $62,425 | $72,225 |
| Cost Above Minimum | $0 | $4,950 | $15,485 | $0 | $4,900 | $14,700 |
Features Comparison: Mercedes-Benz SLK vs. Audi A6 / S6
| Model Year | 2008 | 2008 | 2008 | 2020 | 2020 | 2020 |
| Model | SLK | SLK | SLK | A6 / S6 | A6 / S6 | A6 / S6 |
| Trim | SLK280 | SLK350 | SLK55 AMG | 45 | 55 | S6 |
| Body | 2dr Hardtop conv. | 2dr Hardtop conv. | 2dr Hardtop conv. | 4dr Sedan | 4dr Sedan | 4dr Sedan |
| Transmission and Drivetrain | ||||||
| 6-speed manual | $150 | |||||
| 7-speed manually-shiftable automatic | $1200 | $1200 | ||||
| 7-speed automated manual | $1200 | $1200 | ||||
| 8-speed manually-shiftable automatic | $1300 | |||||
| RWD | $0 | $0 | $0 | |||
| AWD | $1700 | $1700 | $1700 | |||
| Accessories | ||||||
| Power rear side windows | $200 | $200 | $200 | |||
| Proximity key | $250 | $250 | $250 | |||
| Remote window/roof operation | $15 | $15 | $15 | |||
| Wind blocker, small | $100 | $100 | $100 | |||
| Brakes, Airbags, and Other Safety | ||||||
| Blind spot warning system | $200 | $200 | $200 | |||
| Collision preparation system, rear | $100 | $100 | $100 | |||
| Obstacle detection, front | $150 | $150 | $150 | |||
| Obstacle detection, rear | $250 | $250 | $250 | |||
| Rearview camera | $200 | $200 | $200 | |||
| Rollover sensor | $50 | $50 | $50 | |||
| Secondary collision brake assist | $25 | $25 | $25 | |||
| Side curtain airbags | $350 | $350 | $350 | |||
| Cargo Management | ||||||
| Cargo net | $40 | $40 | $40 | |||
| Rear seat pass-through | $100 | $100 | $100 | |||
| Climate Control | ||||||
| Automatic air recirculation | $100 | $100 | $100 | |||
| Rear air vents with automatic controls | $250 | $250 | $250 | |||
| Rear dual-zone climate control | $125 | $125 | $125 | |||
| Drivetrain | ||||||
| Active rear differential | $500 | $500 | ||||
| Engine / Motor | ||||||
| Automatic start / stop | $150 | $150 | $150 | |||
| Dual-mode exhaust, switchable | $500 | |||||
| Regenerative braking | $0 | $0 | $0 | |||
| Exterior | ||||||
| Black exterior trim (optional) | $0 | $0 | ||||
| Body kit | $0 | |||||
| Laminated front side windows | $200 | $200 | $200 | |||
| Painted brake calipers (optional) | $0 | $0 | ||||
| Power retractable hardtop | $6750 | $6750 | $6750 | |||
| Rear spoiler | $200 | |||||
| Sunroof | $900 | $900 | $900 | |||
| Infotainment | ||||||
| 4G LTE connectivity | $0 | $0 | $0 | |||
| Android Auto support | $100 | $100 | $100 | |||
| Apple CarPlay support | $100 | $100 | $100 | |||
| Bluetooth audio streaming | $25 | $25 | $25 | |||
| DVD-compatible player | $0 | $0 | $0 | |||
| Handwriting recognition | $200 | $200 | $200 | |||
| HD radio | $50 | $50 | $50 | |||
| In-vehicle Internet | $150 | $150 | $150 | |||
| iPod integration | $100 | $100 | $100 | |||
| Media drive | $15 | $15 | $15 | |||
| MP3-compatible player | $50 | $50 | $50 | |||
| SD Card slot | $25 | $25 | $25 | |||
| Telematics service, such as OnStar | $200 | $200 | $200 | |||
| Traffic + travel information | $25 | $25 | $25 | |||
| USB port | $25 | $25 | $25 | |||
| Voice control for nav and audio | $100 | $100 | $100 | |||
| Wi-Fi hotspot | $50 | $50 | $50 | |||
| Instruments, Lights, and Mirrors | ||||||
| Analog clock | $25 | $25 | $25 | |||
| Auto-dimming passenger-side mirror | $75 | $75 | $75 | |||
| Compass | $0 | $0 | $0 | |||
| Cornering lights | $50 | $50 | $50 | |||
| Fog lights | $125 | $125 | $125 | |||
| Headlight washers | $50 | $50 | $50 | |||
| Illuminated visor mirror, driver | $50 | $50 | $50 | |||
| Illuminated visor mirror, passenger | $50 | $50 | $50 | |||
| LED headlights | $1000 | $1000 | $1000 | |||
| Power-folding mirrors | $50 | $50 | $50 | |||
| Visor mirror, driver | $10 | $10 | $10 | |||
| Visor mirror, passenger | $10 | $10 | $10 | |||
| Xenon HID headlights | $500 | $500 | $500 | |||
| Seats and Interior Trim | ||||||
| Aluminum trim | $100 | $100 | $100 | |||
| Center armrest(s), second row | $50 | $50 | $50 | |||
| Door sill trim plates | $100 | $100 | $100 | |||
| Folding second row seats | $300 | $300 | $300 | |||
| Illuminated door sill trim plates | $200 | $200 | $200 | |||
| Leather-wrapped steering wheel | $150 | $150 | $150 | $150 | $150 | |
| Memory system, passenger seat | $150 | $150 | $150 | |||
| Neck-level heating, front seats | $150 | $150 | ||||
| No leather in second row | $-300 | $-300 | $-300 | |||
| Synthetic suede inserts in leather seating surfaces | $0 | |||||
| Wood trim | $300 | $300 | ||||
| Wood/leather-wrapped steering wheel | $150 | |||||
| Suspension, Wheels, and Tires | ||||||
| Air suspension, auto-leveling and height adjustable | $1000 | |||||
| Electronic systems calibration selector | $200 | $200 | $200 | |||
| Sport suspension (upgrade) | $0 | $0 | $0 | $0 | ||
| Transmission | ||||||
| Steering-wheel-mounted transmission controls | $100 | $100 | $100 | $100 | ||
| Total Value of Features | $8,335 | $9,685 | $9,635 | $10,280 | $10,280 | $11,580 |
| Value of Feature Adjustments | $0 | $1,350 | $1,300 | $1,945 | $1,945 | $3,245 |
| Value of Feature Adjustments | 0 | -1,257 | -1,212 | -141 | -131 | -66 |
Specifications Comparison: Mercedes-Benz SLK vs. Audi A6 / S6
| Model Year | 2008 | 2020 |
| Model | SLK | A6 / S6 |
| Body | 2dr Hardtop conv. | 4dr Sedan |
| Wheelbase | 95.7 in | 115.1 in |
| Length | 160.7 in | 194.4 in |
| Width | 70.4 in | 74.3 in |
| Height | 51.0 in | 57.4 in |
| Curb Weight | 3,210 lb. | 4,102 lb. |
| Fuel Capacity | 18.5 gal. | 19.3 gal. |
| Row 1 Headroom | 37.9 in | 38.0 in |
| Row 1 Shoulder Room | 52.2 in | 57.8 in |
| Row 1 Hip Room | 54.6 in | 0.0 in |
| Row 1 Legroom | 42.5 in | 41.3 in |
| Row 2 Headroom | 0.0 in | 38.1 in |
| Row 2 Shoulder Room | 0.0 in | 56.5 in |
| Row 2 Legroom | 0.0 in | 37.4 in |
| Cargo Volume, Minimum | 6.5 ft3 | 13.7 ft3 |
| Cargo Volume, Maximum | 9.8 ft3 | 13.7 ft3 |
Option Package Details
Mercedes-Benz SLK SLK280
| Premium II Package | ||
| Feature | Value | Requested? |
| Bluetooth cell phone link | 100 | Yes |
| Surround sound | 250 | Yes |
| Harman/Kardon, 380W, 11 speakers (with subwoofer) | 350 | No |
| Aux input | 50 | Yes |
| Rain-sensing wipers | 175 | Yes |
| Memory system, driver seat | 200 | Yes |
| Memory system, passenger seat | 150 | No |
| Satellite radio | 200 | Yes |
| Power height adjuster, passenger seat | 50 | Yes |
| Tilt/telescoping steering wheel, power | 100 | Yes |
| Power tilt adjuster, passenger seat | 50 | Yes |
| Power fore-aft adjuster, driver seat | 100 | Yes |
| Auto-dimming driver-side mirror | 75 | Yes |
| Power height adjuster, driver seat | 50 | Yes |
| Remote window/roof operation | 15 | No |
| Power tilt adjuster, driver seat | 50 | Yes |
| Mirror tilt-down in reverse | 25 | Yes |
| Power recliner, driver seat | 100 | Yes |
| Interior ambient lighting | 150 | Yes |
| Power 4-way lumbar adjuster, driver seat | 150 | Yes |
| Power recliner, passenger seat | 100 | Yes |
| Power fore-aft adjuster, passenger seat | 100 | Yes |
| Power 4-way lumbar adjuster, passenger seat | 150 | Yes |
| Universal garage door opener | 100 | Yes |
| Auto-dimming rearview mirror | 150 | Yes |
| Total Requested | 2475 | 83% |
| Total Not Requested | 515 | 17% |
| Lighting Package | ||
| Feature | Value | Requested? |
| Xenon HID headlights | 500 | Yes |
| Headlight washers | 50 | No |
| Cornering lights | 50 | No |
| Total Requested | 500 | 83% |
| Total Not Requested | 100 | 17% |
| Heating Package | ||
| Feature | Value | Requested? |
| Heated front seats | 200 | Yes |
| Neck-level heating, front seats | 150 | No |
| Total Requested | 200 | 57% |
| Total Not Requested | 150 | 43% |
Option Package Details
Mercedes-Benz SLK SLK350
| Appearance Package | ||
| Feature | Value | Requested? |
| Wood trim | 300 | Yes |
| 225/45ZR17 tires | 200 | No |
| Wood/leather-wrapped steering wheel | 0 | No |
| 245/40ZR17 tires | 200 | No |
| Total Requested | 300 | 43% |
| Total Not Requested | 400 | 57% |
| Premium II Package | ||
| Feature | Value | Requested? |
| Bluetooth cell phone link | 100 | Yes |
| Surround sound | 250 | Yes |
| Harman/Kardon, 380W, 11 speakers (with subwoofer) | 350 | No |
| Aux input | 50 | Yes |
| Rain-sensing wipers | 175 | Yes |
| Memory system, driver seat | 200 | Yes |
| Memory system, passenger seat | 150 | No |
| Satellite radio | 200 | Yes |
| Power height adjuster, passenger seat | 50 | Yes |
| Tilt/telescoping steering wheel, power | 100 | Yes |
| Power tilt adjuster, passenger seat | 50 | Yes |
| Power fore-aft adjuster, driver seat | 100 | Yes |
| Auto-dimming driver-side mirror | 75 | Yes |
| Power height adjuster, driver seat | 50 | Yes |
| Remote window/roof operation | 15 | No |
| Power tilt adjuster, driver seat | 50 | Yes |
| Mirror tilt-down in reverse | 25 | Yes |
| Power recliner, driver seat | 100 | Yes |
| Interior ambient lighting | 150 | Yes |
| Power 4-way lumbar adjuster, driver seat | 150 | Yes |
| Power recliner, passenger seat | 100 | Yes |
| Power fore-aft adjuster, passenger seat | 100 | Yes |
| Power 4-way lumbar adjuster, passenger seat | 150 | Yes |
| Universal garage door opener | 100 | Yes |
| Auto-dimming rearview mirror | 150 | Yes |
| Total Requested | 2475 | 83% |
| Total Not Requested | 515 | 17% |
| Lighting Package | ||
| Feature | Value | Requested? |
| Xenon HID headlights | 500 | Yes |
| Headlight washers | 50 | No |
| Cornering lights | 50 | No |
| Total Requested | 500 | 83% |
| Total Not Requested | 100 | 17% |
| Heating Package | ||
| Feature | Value | Requested? |
| Heated front seats | 200 | Yes |
| Neck-level heating, front seats | 150 | No |
| Total Requested | 200 | 57% |
| Total Not Requested | 150 | 43% |
Option Package Details
Mercedes-Benz SLK SLK55 AMG
| Premium II Package | ||
| Feature | Value | Requested? |
| Bluetooth cell phone link | 100 | Yes |
| Surround sound | 250 | Yes |
| Harman/Kardon, 380W, 11 speakers (with subwoofer) | 350 | No |
| Aux input | 50 | Yes |
| Total Requested | 400 | 53% |
| Total Not Requested | 350 | 47% |
| Lighting Package | ||
| Feature | Value | Requested? |
| Xenon HID headlights | 500 | Yes |
| Headlight washers | 50 | No |
| Cornering lights | 50 | No |
| Total Requested | 500 | 83% |
| Total Not Requested | 100 | 17% |
Option Package Details
Audi A6 / S6 45
| Competition Package | ||
| Feature | Value | Requested? |
| Front sport buckets | 100 | Yes |
| Aluminum trim | 100 | Yes |
| Active rear differential | 500 | No |
| Painted brake calipers (optional) | 0 | No |
| Sport suspension (upgrade) | 250 | Yes |
| Upgraded leather upholstery | 0 | No |
| Power 4-way lumbar adjuster, passenger seat | 150 | Yes |
| Metal pedals | 75 | Yes |
| Dark-colored headliner (optional) | 0 | No |
| Leather door panel trim | 250 | Yes |
| Black exterior trim (optional) | 0 | No |
| Total Requested | 925 | 65% |
| Total Not Requested | 500 | 35% |
Option Package Details
Audi A6 / S6 55
| Competition Package | ||
| Feature | Value | Requested? |
| Front sport buckets | 100 | Yes |
| Aluminum trim | 100 | Yes |
| Active rear differential | 500 | No |
| Painted brake calipers (optional) | 0 | No |
| Sport suspension (upgrade) | 250 | Yes |
| Upgraded leather upholstery | 0 | No |
| Power 4-way lumbar adjuster, passenger seat | 150 | Yes |
| Metal pedals | 75 | Yes |
| Dark-colored headliner (optional) | 0 | No |
| Leather door panel trim | 250 | Yes |
| Black exterior trim (optional) | 0 | No |
| Total Requested | 925 | 65% |
| Total Not Requested | 500 | 35% |
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