Mercedes-Benz SLS AMG Mercedes-Benz SLS AMG 2014 Porsche Boxster Porsche Boxster 2009

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

Join Us

Mercedes-Benz SLS AMG vs. Porsche 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 SLS AMG vs. Porsche Boxster Invoice Comparison

Lowest Total Price: $87,675

Porsche Boxster S   
Difference: $138,600

Calculate Payments

  Down Payment Interest Rate Term
Model Year20142009
ModelSLS AMGBoxster
TrimGTS
Body2dr Convertible2dr Convertible
Base Price $208,000 $56,700
Carbon fiber trim 2,750 890
Ceramic brake rotors 12,500 8,150
iPod integration   440
Navigation system   3,110
Xenon HID headlights   1,560
Auto-dimming rearview mirror   690
Adaptive Sports Seats   3,055
Upholstered instrument panel, leather   2,025
Adaptive dampers - electrical   1,990
Synthetic suede steering wheel   1,105
Audio controls on steering wheel   990
Limited-slip rear differential   950
Satellite radio   750
Bluetooth cell phone link   695
CD changer, in-dash   650
Voice control for nav and audio   595
Automatic climate control, front   550
Obstacle detection, rear   530
Heated front seats   500
Floor mats   90
Metallic paint (extra cost)   710
Carbon fiber trim 2,558 757
Ceramic brake rotors 11,625 6,928
iPod integration   0
Navigation system   0
Xenon HID headlights   0
Auto-dimming rearview mirror   587
Adaptive Sports Seats   2,597
Upholstered instrument panel, leather   -306
Adaptive dampers - electrical   1,692
Synthetic suede steering wheel   0
Audio controls on steering wheel   842
Limited-slip rear differential   0
Satellite radio   0
Bluetooth cell phone link   0
CD changer, in-dash   553
Voice control for nav and audio   0
Automatic climate control, front   468
Obstacle detection, rear   451
Heated front seats   0
Floor mats   0
Metallic paint (extra cost)   0
Options (change) 15,250 30,025
Options (change) 14,183 14,569
Destination 925 950
Gas Tax 2,100 0
Total Price $226,275 $87,675

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 SLS AMG dealer quotes or Porsche 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 SLS AMG vs. Porsche Boxster

Lowest Adjusted Price and Invoice: Porsche Boxster S
TrueDelta Adjusted Price Difference: $134,625
TrueDelta Adjusted Invoice Difference: $191,429
Model Year20142009
ModelSLS AMGBoxster
TrimGTS
Body2dr Convertible2dr Convertible
Engine583hp V8310hp H6
TransmissionT7M6
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG
Audio (watts, speakers)?, 6185, 7
Tire (rear if not all the same)265/35-19235/40-18
Total Price$226,275$87,675
Adjustments for Features-3,9750
Feature-Adjusted Total Price$222,300$87,675

Return to top

Features Comparison: Mercedes-Benz SLS AMG vs. Porsche Boxster

Model Year20142009
ModelSLS AMGBoxster
TrimGTS
Body2dr Convertible2dr Convertible
Transmission and Drivetrain 
7-speed manually-shiftable automatic$1200 
6-speed manual $150
RWD$0$0
Accessories 
Proximity key$250 
Remote window/roof operation$15 
Tilt/telescoping steering wheel, manual $250
Tilt/telescoping steering wheel, power$350 
Brakes, Airbags, and Other Safety 
Blind spot warning system$200 
Knee airbag, driver$75 
Knee airbag, passenger$75 
Obstacle detection, front$150 
Rearview camera$200 
Side curtain airbags$350 
Cargo Management 
Storage compartment under front seat(s)$50 
Climate Control 
Automatic air recirculation$100 
Dual-zone climate control$125 
Residual heat$50 
Water-repellent front-door glass $15
Wiper de-icer$25 
Engine / Motor 
Mid-engine configuration $0
Exterior 
Bright-finished fuel door$100 
Painted brake calipers (optional)$0 
Infotainment 
DVD-Audio-compatible player $0
DVD-compatible player$0 
HD radio$50 
MP3-compatible player$50 
Off-road navigation system $0
SD Card slot$25 
Telematics service, such as OnStar$200 
Traffic information$25 
Instruments, Lights, and Mirrors 
Auto-dimming passenger-side mirror $75
Automatic headlights$125 
Cornering lights$50 
Fog lights $125
Mirror tilt-down in reverse$25 
Steering-linked headlights $150
Turn signals on or near mirrors$25 
Seats and Interior Trim 
Door sill trim plates $100
Memory system, passenger seat$150 
Power 4-way lumbar adjuster, passenger seat$150 
Power thigh bolsters, driver seat $100
Power thigh bolsters, passenger seat $100
Synthetic suede headliner$650 
Synthetic suede inserts in leather seating surfaces$0 
Suspension, Wheels, and Tires 
Alloy wheels $350
Polished alloy wheels$350 
Sport suspension (upgrade)$0 
Transmission 
Launch control$100 
Steering-wheel-mounted transmission controls$100 
Total Value of Features$5,390$1,415
Value of Feature Adjustments$3,975$0
Value of Feature Adjustments-3,7000

Return to top

Specifications Comparison: Mercedes-Benz SLS AMG vs. Porsche Boxster

Model Year20142009
ModelSLS AMGBoxster
Body2dr Convertible2dr Convertible
Wheelbase105.5 in95.1 in
Length182.6 in172.1 in
Width76.3 in70.9 in
Height49.7 in50.9 in
Curb Weight3,793 lb.2,944 lb.
Fuel Capacity22.5 gal.16.9 gal.
Row 1 Headroom39.0 in38.4 in
Row 1 Shoulder Room58.4 in51.7 in
Row 1 Hip Room63.2 in53.4 in
Row 1 Legroom41.7 in41.6 in
Cargo Volume6.1 ft39.9 ft3

Return to top

Option Package Details
Porsche Boxster S

iPod integration
FeatureValueRequested?
iPod integration100Yes
Aux input50Yes
Media drive, large15Yes
Total Requested165100%
Total Not Requested00%
Navigation system
FeatureValueRequested?
Navigation system600Yes
DVD-Audio-compatible player0Yes
Off-road navigation system0No
Total Requested600100%
Total Not Requested00%
Xenon HID headlights
FeatureValueRequested?
Xenon HID headlights500Yes
Steering-linked headlights150No
Headlight washers50Yes
Total Requested55079%
Total Not Requested15021%
Auto-dimming rearview mirror
FeatureValueRequested?
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75No
Total Requested32581%
Total Not Requested7519%
Upholstered instrument panel, leather
FeatureValueRequested?
Upholstered instrument panel, leather1000Yes
Leather upholstery, extended coverage0No
Total Requested1000100%
Total Not Requested00%
Adaptive Sports Seats
FeatureValueRequested?
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver100Yes
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100Yes
Front sport buckets100No
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150Yes
Power fore-aft adjuster, passenger seat100Yes
Memory system, driver seat200Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat100Yes
Total Requested105078%
Total Not Requested30022%

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