Mercedes-Benz CLS Mercedes-Benz CLS 2006 Porsche Boxster Porsche Boxster 2009
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Mercedes-Benz CLS 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 CLS vs. Porsche Boxster Invoice Comparison

Lowest Total Price: $75,740

Porsche Boxster S   
Difference: $18,024

Calculate Payments

  Down Payment Interest Rate Term
Model Year20062009
ModelCLSBoxster
TrimCLS55 AMGS
Body4dr Sedan2dr Convertible
Base Price $86,600 $56,700
Lighting Package 1,220  
Obstacle detection, rear 1,100 530
CD changer, in-dash 430 650
Satellite radio 699 750
Navigation system 1,240 3,110
Adaptive Sports Seats   3,055
Auto-dimming rearview mirror   690
Xenon HID headlights   1,560
Metallic paint (extra cost)   710
Floor mats   90
Heated front seats   500
Automatic climate control, front   550
Wood trim   890
Audio controls on steering wheel   990
Adaptive dampers - electrical   1,990
Upholstered instrument panel, leather   2,025
6-speed manual   0
Lighting Package 1,135  
Obstacle detection, rear 1,023 451
CD changer, in-dash 400 553
Satellite radio 650 0
Navigation system 1,153 0
Adaptive Sports Seats   2,597
Auto-dimming rearview mirror   587
Xenon HID headlights   0
Metallic paint (extra cost)   0
Floor mats   0
Heated front seats   0
Automatic climate control, front   468
Wood trim   757
Audio controls on steering wheel   842
Adaptive dampers - electrical   1,692
Upholstered instrument panel, leather   -306
6-speed manual   0
Options (change) 4,689 18,090
Options (change) 4,361 7,641
Destination 775 950
Gas Tax 1,700 0
Total Price $93,764 $75,740

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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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Request free, no-obligation Mercedes-Benz CLS dealer quotes or Porsche Boxster dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Mercedes-Benz CLS vs. Porsche Boxster

Lowest Adjusted Price and Invoice: Porsche Boxster S
TrueDelta Adjusted Price Difference: $16,714
TrueDelta Adjusted Invoice Difference: $77,562
Model Year20062009
ModelCLSBoxster
TrimCLS55 AMGS
Body4dr Sedan2dr Convertible
Engine469hp V8310hp H6
TransmissionT5M6
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)14/20 MPG19/26 MPG
Audio (watts, speakers)480, 13185, 7
Tire (rear if not all the same)255/35-19235/40-18
Total Price$93,764$75,740
Adjustments for Features-1,3100
Feature-Adjusted Total Price$92,454$75,740

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Features Comparison: Mercedes-Benz CLS vs. Porsche Boxster

Model Year20062009
ModelCLSBoxster
TrimCLS55 AMGS
Body4dr Sedan2dr Convertible
Transmission and Drivetrain 
5-speed manually-shiftable automatic$1000 
6-speed manual $150
RWD$0$0
Accessories 
Power rear side windows$200 
Remote window/roof operation$15 
Tilt/telescoping steering wheel, manual $250
Tilt/telescoping steering wheel, power$350 
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0 
Knee airbag, driver$75 
Obstacle detection, front$150 
Rear side airbags$300 
Roll bar $200
Rollover sensor$50 
Side curtain airbags$350 
Tire-pressure monitor $75
Cargo Management 
Air-conditioned storage compartment$50 
Cargo net $40
Second-row low console$100 
Climate Control 
Dual-zone climate control$125 
Rear air vents with automatic controls$250 
Rear dual-zone climate control$125 
Residual heat$50 
Water-repellent front-door glass $15
Engine / Motor 
Mid-engine configuration $0
Exterior 
Body kit$0 
Bright-finished exhaust tip(s) $25
Power convertible top $4000
Retractable rear spoiler $400
Sunroof$900 
Infotainment 
Off-road navigation system $0
Surround sound$250 
Telematics service, such as OnStar$200 
Instruments, Lights, and Mirrors 
Analog clock$25 
Auto-dimming passenger-side mirror $75
Automatic headlights$125 
Mirror tilt-down in reverse$25 
Turn signals on or near mirrors$25 
Seats and Interior Trim 
Center armrest(s), second row$50 
Massage, driver seat$100 
Massage, passenger seat$100 
Memory system, passenger seat$150 
Power 4-way lumbar adjuster, passenger seat$150 
Power headrest height adjuster, driver seat$50 
Power headrest height adjuster, passenger seat$50 
Power thigh bolsters, driver seat $100
Power thigh bolsters, passenger seat $100
Power thigh support length adjuster, driver seat$100 
Power thigh support length adjuster, passenger seat$100 
Power-folding headrests, second row seats$50 
Synthetic suede inserts in leather seating surfaces$0 
Suspension, Wheels, and Tires 
Air suspension, auto-leveling and height adjustable$1000 
Sport suspension (upgrade)$0 
Transmission 
Steering-wheel-mounted transmission controls$100 
Total Value of Features$6,740$5,430
Value of Feature Adjustments$1,310$0
Value of Feature Adjustments-1,2210

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See a complete comparison of Mercedes-Benz CLS vs. Porsche Boxster features.

Specifications Comparison: Mercedes-Benz CLS vs. Porsche Boxster

Model Year20062009
ModelCLSBoxster
Body4dr Sedan2dr Convertible
Wheelbase112.4 in95.1 in
Length193.0 in172.1 in
Width73.7 in70.9 in
Height54.7 in50.9 in
Curb Weight4,069 lb.2,987 lb.
Fuel Capacity21.1 gal.16.9 gal.
Row 1 Headroom36.9 in38.4 in
Row 1 Shoulder Room56.2 in51.7 in
Row 1 Hip Room58.0 in53.4 in
Row 1 Legroom42.1 in41.6 in
Row 2 Headroom36.1 in0.0 in
Row 2 Shoulder Room56.0 in0.0 in
Row 2 Hip Room57.6 in0.0 in
Row 2 Legroom35.0 in0.0 in
Cargo Volume15.8 ft39.9 ft3

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See a complete comparison of Mercedes-Benz CLS vs. Porsche Boxster specs.

Option Package Details
Mercedes-Benz CLS CLS55 AMG

Lighting Package
FeatureValueRequested?
Steering-linked headlights150Yes
Xenon HID headlights500Yes
Headlight washers50Yes
Total Requested700100%
Total Not Requested00%

Option Package Details
Porsche Boxster S

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%
Xenon HID headlights
FeatureValueRequested?
Xenon HID headlights500Yes
Steering-linked headlights150Yes
Headlight washers50Yes
Total Requested700100%
Total Not Requested00%
Navigation system
FeatureValueRequested?
Navigation system600Yes
DVD-Audio-compatible player0No
Off-road navigation system0No
Total Requested600100%
Total Not Requested00%
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 buckets100Yes
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 Requested115085%
Total Not Requested20015%

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