Porsche Boxster Porsche Boxster 2008 Mercedes-Benz CLS Mercedes-Benz CLS 2008

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Porsche Boxster vs. Mercedes-Benz CLS 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.

Porsche Boxster vs. Mercedes-Benz CLS Invoice Comparison

Lowest Total Price: $64,330

Porsche Boxster   
Difference: $37,850

Lowest Total Invoice: $55,808

Porsche Boxster   
Difference: $39,464

Calculate Payments

  Down Payment Interest Rate Term
Model Year200820082008
ModelBoxsterBoxsterCLS
TrimBaseSCLS63 AMG
Body2dr Convertible2dr Convertible4dr Sedan
Base Price $45,800 $55,700 $93,550
Base Invoice $39,923 $43,512 $87,002
Adaptive Sports Seats 3,055 3,055  
Auto-dimming rearview mirror 690 690  
Xenon HID headlights 1,090 1,090  
Metallic paint (extra cost) 690 690  
Upholstered instrument panel, leather 1,735 1,735  
Adaptive dampers - electrical 1,990 1,990  
Heated front seats 480 480  
Audio controls on steering wheel 990 990  
Navigation system 3,110 3,110  
Floor mats 115 115  
Wood trim 890 890  
Automatic climate control, front 550 550  
Obstacle detection, rear 530 530 1,120
Synthetic suede steering wheel 1,105 1,105  
CD changer, remote 650 650  
Premium Package 2     4,035
Adaptive Sports Seats 2,597 2,597  
Auto-dimming rearview mirror 587 587  
Xenon HID headlights 927 927  
Metallic paint (extra cost) 587 587  
Upholstered instrument panel, leather 1,475 1,475  
Adaptive dampers - electrical 1,692 1,692  
Heated front seats 408 408  
Audio controls on steering wheel 842 842  
Navigation system 2,644 2,644  
Floor mats 98 98  
Wood trim 757 757  
Automatic climate control, front 468 468  
Obstacle detection, rear 451 451 1,042
Synthetic suede steering wheel 939 939  
CD changer, remote 553 553  
Premium Package 2     3,753
Options (change) 17,670 17,670 5,155
Options (change) 15,025 15,025 4,795
Destination 860 860 875
Gas Tax 0 0 2,600
Total Price $64,330 $74,230 $102,180
Total Invoice $55,808 $59,397 $95,272

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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 Porsche Boxster dealer quotes or Mercedes-Benz CLS dealer quotes from dealers using our car quote form.

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

Lowest Adjusted Price and Invoice: Porsche Boxster
TrueDelta Adjusted Price Difference: $33,115
TrueDelta Adjusted Invoice Difference: $35,049
Model Year200820082008
ModelBoxsterBoxsterCLS
TrimBaseSCLS63 AMG
Body2dr Convertible2dr Convertible4dr Sedan
Engine245hp H6295hp H6507hp V8
TransmissionM5M6T7
DrivetrainRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG
Audio (watts, speakers)50, 4230, 7480, 13
Tire (rear if not all the same)205/55-17235/40-18255/35-19
Total Price$64,330$74,230$102,180
Adjustments for Features0-150-4,735
Feature-Adjusted Total Price$64,330$74,080$97,445
Cost Above Minimum$0$9,750$0
Total Invoice$55,808$59,397$95,272
Adjustments for Features0-120-4,415
Feature-Adjusted Total Invoice$55,808$59,277$90,857
Cost Above Minimum$0$3,469$0

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Features Comparison: Porsche Boxster vs. Mercedes-Benz CLS

Model Year200820082008
ModelBoxsterBoxsterCLS
TrimBaseSCLS63 AMG
Body2dr Convertible2dr Convertible4dr Sedan
Transmission and Drivetrain 
5-speed manual$0  
6-speed manual $150 
7-speed manually-shiftable automatic  $1200
RWD$0$0$0
Accessories 
Power rear side windows  $200
Power trunk closer  $350
Proximity key  $250
Remote window/roof operation  $15
Sunshade, rear, power  $225
Tilt/telescoping steering wheel, manual$250$250 
Tilt/telescoping steering wheel, power  $350
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats  $0
Brake assist  $50
Brake- or yaw-sensor-initiated collision preparation system  $0
Knee airbag, driver  $75
Obstacle detection, front  $150
Rear side airbags  $300
Roll bar$200$200 
Rollover sensor  $50
Side curtain airbags  $350
Temporary spare tire  $150
Cargo Management 
Air-conditioned storage compartment  $50
Cargo net$40$40 
Second-row low console  $100
Climate Control 
Automatic air recirculation  $100
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$15 
Engine / Motor 
Mid-engine configuration$0$0 
Exterior 
Body kit  $0
Bright-finished exhaust tip(s)$25$25 
Power convertible top$4000$4000 
Retractable rear spoiler$400$400 
Sunroof  $900
Infotainment 
Aux input  $50
Bluetooth cell phone link  $100
CD changer, in-dash  $325
CD changer, remote$200$200 
CD player$125$125 
MP3-compatible player  $50
Satellite radio  $200
Surround sound  $250
Telematics service, such as OnStar  $200
Instruments, Lights, and Mirrors 
Auto-dimming passenger-side mirror$75$75 
Automatic headlights  $125
Chronometer  $100
Mirror tilt-down in reverse  $25
Steering-linked headlights  $150
Turn signals on or near mirrors  $25
Seats and Interior Trim 
Center armrest(s), second row  $50
Cooled or ventilated front seats  $300
Massage, driver seat  $100
Massage, passenger seat  $100
Memory system, passenger seat  $150
No leather in second row$-300$-300 
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$100 
Power thigh bolsters, passenger seat$100$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 headliner  $650
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$5,230$5,380$9,965
Value of Feature Adjustments$0$150$4,735
Value of Feature Adjustments0-120-4,415

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Specifications Comparison: Porsche Boxster vs. Mercedes-Benz CLS

Model Year20082008
ModelBoxsterCLS
Body2dr Convertible4dr Sedan
Wheelbase95.1 in112.4 in
Length170.4 in193.0 in
Width70.9 in73.7 in
Height51.0 in54.7 in
Curb Weight2,856 lb.3,993 lb.
Fuel Capacity17.0 gal.21.1 gal.
Row 1 Headroom38.4 in36.9 in
Row 1 Shoulder Room51.7 in56.2 in
Row 1 Hip Room53.4 in58.0 in
Row 1 Legroom41.6 in42.1 in
Row 2 Headroom0.0 in36.1 in
Row 2 Shoulder Room0.0 in56.0 in
Row 2 Hip Room0.0 in57.6 in
Row 2 Legroom0.0 in35.0 in
Cargo Volume9.9 ft315.8 ft3

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Option Package Details
Porsche Boxster

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%

Option Package Details
Porsche Boxster S

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%

Option Package Details
Mercedes-Benz CLS CLS63 AMG

Obstacle detection, rear
FeatureValueRequested?
Obstacle detection, rear250Yes
Obstacle detection, front150No
Total Requested25063%
Total Not Requested15037%
Premium Package 2
FeatureValueRequested?
Steering-linked headlights150No
Xenon HID headlights500Yes
Headlight washers50Yes
Proximity key250No
Navigation system600Yes
Cooled or ventilated front seats300No
Sunshade, rear, power225No
Bluetooth cell phone link100No
Power decklid350No
Total Requested115046%
Total Not Requested137554%

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