Mercedes-Benz SL Mercedes-Benz SL 2014 Porsche 718 Boxster Porsche 718 Boxster 2017

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

Join Us

Mercedes-Benz SL vs. Porsche 718 Boxster 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. Porsche 718 Boxster Invoice Comparison

Lowest Total Price: $99,310

Porsche 718 Boxster S   
Difference: $60,955

Calculate Payments

  Down Payment Interest Rate Term
Model Year20142017
ModelSL718 Boxster
TrimSL63 AMGS
Body2dr Hardtop conv.2dr Convertible
Base Price $147,300 $68,400
Ceramic brake rotors 8,950 7,400
Wood/leather-wrapped steering wheel 590 990
Wood trim 0 1,810
Performance meter 2,500  
Adaptive sport seats plus   3,825
Porsche Connect Plus   1,300
Navigation system   1,730
Premium Package Plus   3,170
Sport Chrono Package   2,085
Metallic paint (extra cost)   640
Voice control for nav and audio   0
Metal pedals   535
Torque vectoring, brake-based   1,320
Illuminated door sill trim plates   825
Sport suspension (upgrade)   2,070
Upholstered instrument panel, leather   2,160
6-speed manual   0
Ceramic brake rotors 8,324 0
Wood/leather-wrapped steering wheel 549 0
Wood trim 0 0
Performance meter 2,325  
Adaptive sport seats plus   0
Porsche Connect Plus   0
Navigation system   0
Premium Package Plus   0
Sport Chrono Package   0
Metallic paint (extra cost)   0
Voice control for nav and audio   0
Metal pedals   0
Torque vectoring, brake-based   0
Illuminated door sill trim plates   0
Sport suspension (upgrade)   0
Upholstered instrument panel, leather   0
6-speed manual   0
Options (change) 12,040 29,860
Options (change) 11,198 0
Destination 925 1,050
Total Price $160,265 $99,310

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 Mercedes-Benz SL dealer quotes or Porsche 718 Boxster 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 SL vs. Porsche 718 Boxster

Lowest Adjusted Price and Invoice: Porsche 718 Boxster S
TrueDelta Adjusted Price Difference: $50,535
TrueDelta Adjusted Invoice Difference: $138,367
Model Year20142017
ModelSL718 Boxster
TrimSL63 AMGS
Body2dr Hardtop conv.2dr Convertible
Engine530hp V8350hp H4
TransmissionT7M6
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)16/25 MPG20/26 MPG
Audio (watts, speakers)600, 14110, 6
Tire (rear if not all the same)255/35-19235/40-19
Total Price$160,265$99,310
Adjustments for Features-10,4200
Feature-Adjusted Total Price$149,845$99,310

Return to top

Features Comparison: Mercedes-Benz SL vs. Porsche 718 Boxster

Model Year20142017
ModelSL718 Boxster
TrimSL63 AMGS
Body2dr Hardtop conv.2dr Convertible
Transmission and Drivetrain 
7-speed manually-shiftable automatic$1200 
6-speed manual $150
RWD$0$0
Accessories 
Hands-free trunk or liftgate$100 
Heated steering wheel $100
Power trunk closer$350 
Remote window/roof operation$15 
Semi-automated parking system$500 
Wind blocker, power small$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 
Brake- or yaw-sensor-initiated collision preparation system$0 
Driver drowsiness monitor$150 
Roll bar $200
Cargo Management 
Air-conditioned storage compartment$50 
Cargo net $40
Storage compartment under front seat(s)$50 
Climate Control 
Adaptive windshield washer system$0 
Water-repellent front-door glass $15
Wiper de-icer$25 
Drivetrain 
Electronically-variable engine mounts (performance-oriented) $500
Limited-slip rear differential $300
Engine / Motor 
Mid-engine configuration $0
Regenerative braking $0
Exterior 
Glass roof panel(s)$300 
Painted brake calipers (optional) $0
Power convertible top $4000
Power retractable hardtop$6750 
Rear spoiler$200 
Retractable rear spoiler $400
Infotainment 
4G LTE connectivity $0
Apple CarPlay support $100
CD changer, in-dash$325 
CD player $125
DVD-Audio-compatible player $0
DVD-compatible player$0 
Handwriting recognition $200
iPod integration$100 
Media drive$15 
Media drive, small $5
Navigation map updates, three years $0
Off-road navigation system $0
SMS text-to-speech reader$25 
Surround sound$250 
Telematics service, such as OnStar $200
Telematics service, such as OnStar, with navigation$225 
Traffic + travel information$25 
Traffic information $25
USB port $25
Wi-Fi hotspot $50
Instruments, Lights, and Mirrors 
Auto-dimming headlights$200 
Auto-dimming passenger-side mirror $75
Cornering lights$50 
Fog lights$125 
Mirror tilt-down in reverse$25 
Turn signals on or near mirrors$25 
Seats and Interior Trim 
Automatic seat bolsters, driver$300 
Automatic seat bolsters, front passenger$300 
Massage, driver seat$100 
Massage, passenger seat$100 
Memory system, passenger seat$150 
Neck-level heating, front seats$150 
Power headrest height adjuster, driver seat$50 
Power headrest height adjuster, passenger seat$50 
Power seatback bolsters, driver seat $100
Power seatback bolsters, passenger seat $100
Power thigh bolsters, driver seat $100
Power thigh bolsters, passenger seat $100
Synthetic suede headliner$650 
Suspension, Wheels, and Tires 
Adaptive dampers - electrical $500
Adaptive hydraulic struts, auto-leveling and ht. adjustable$4000 
Transmission 
Launch control$100 
Steering-wheel-mounted transmission controls$100 
Total Value of Features$17,930$7,510
Value of Feature Adjustments$10,420$0
Value of Feature Adjustments-9,6950

Return to top

Specifications Comparison: Mercedes-Benz SL vs. Porsche 718 Boxster

Model Year20142017
ModelSL718 Boxster
Body2dr Hardtop conv.2dr Convertible
Wheelbase101.8 in97.4 in
Length181.8 in172.4 in
Width73.9 in70.9 in
Height51.8 in50.4 in
Curb Weight4,068 lb.2,988 lb.
Fuel Capacity19.8 gal.14.3 gal.
Row 1 Headroom39.1 in0.0 in
Row 1 Shoulder Room55.5 in0.0 in
Row 1 Legroom42.9 in0.0 in
Cargo Volume,
Minimum
8.5 ft39.7 ft3
Cargo Volume,
Maximum
13.5 ft39.7 ft3

Return to top

Option Package Details
Porsche 718 Boxster S

Navigation system
FeatureValueRequested?
Navigation system600Yes
Off-road navigation system0No
Handwriting recognition200No
Total Requested60075%
Total Not Requested20025%
Torque vectoring, brake-based
FeatureValueRequested?
Torque vectoring, brake-based100Yes
Limited-slip rear differential300No
Total Requested10025%
Total Not Requested30075%
Wood/leather-wrapped steering wheel
FeatureValueRequested?
Wood/leather-wrapped steering wheel150Yes
Audio controls on steering wheel125Yes
Heated steering wheel100No
Total Requested27573%
Total Not Requested10027%
Sport suspension (upgrade)
FeatureValueRequested?
Sport suspension (upgrade)250Yes
Adaptive dampers - electrical500Yes
Total Requested750100%
Total Not Requested00%
Upholstered instrument panel, leather
FeatureValueRequested?
Upholstered instrument panel, leather800Yes
Leather upholstery, extended coverage0No
Total Requested800100%
Total Not Requested00%
Adaptive sport seats plus
FeatureValueRequested?
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver seat100Yes
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100Yes
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150Yes
Power thigh support length adjuster, driver seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Power thigh support length adjuster, passenger seat100Yes
Memory system, driver seat200Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat100Yes
Tilt/telescoping steering wheel, power100Yes
Front sport buckets100No
Total Requested150083%
Total Not Requested30017%
Porsche Connect Plus
FeatureValueRequested?
Traffic information25Yes
In-vehicle Internet150Yes
Wi-Fi hotspot50No
4G LTE connectivity0No
Navigation map updates, three years0No
App support0Yes
Remote app25Yes
Apple CarPlay support100No
Telematics service, such as OnStar200Yes
Total Requested40073%
Total Not Requested15027%
Premium Package Plus
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Proximity key250Yes
Perimeter approach lighting25No
Interior ambient lighting150Yes
Rain-sensing wipers100Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75No
Auto-dimming rearview mirror150Yes
Headlight washers50Yes
Steering-linked headlights150Yes
Heated front seats200Yes
Dual-zone climate control125Yes
Residual heat50Yes
Automatic air recirculation100Yes
Automatic climate control, front200Yes
Total Requested190095%
Total Not Requested1005%
Sport Chrono Package
FeatureValueRequested?
Chronometer100Yes
Electronic systems calibration selector200Yes
Performance meter150Yes
Electronically-variable engine mounts (performance-oriented)500No
Total Requested45047%
Total Not Requested50053%

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 Convertibles
See TrueDelta's information for all Mercedes-Benz models.