Compare 2011 Mercedes-Benz SLK Class vs 2011 Porsche Boxster

2011 Mercedes-Benz SLK Class
2011 Porsche Boxster
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2-Door Roadster SLK 300
Style MPG City MPG Hwy Invoice MSRP
2-Door Roadster SLK 300 17 26 $44,314 $47,650
2-Door Roadster SLK 350 19 25 $49,569 $53,300
Select style
2-Door Roadster
Style MPG City MPG Hwy Invoice MSRP
2-Door Roadster 19 27 $43,110 $48,100
2-Door Roadster S 19 26 $52,560 $58,600
2-Door Roadster Spyder 19 26 $55,440 $61,800
Pricing
Invoice Price
$44,314
$43,110
Manufacturer Suggested Retail Price
$47,650
$48,100
Monthly Payment Estimate
$794 / month
$802 / month
The Car Connection's Take
TCC Rating
8.4
9.0
TCC’s Bottom Line
The 2011 Porsche Boxster is a fun, attractive, and capable roadster-everything you want it to be.
TCC Likes
TCC Dislikes
Fuel Economy
City
17 mpg 19 mpg
Highway
26 mpg 27 mpg
Vehicle
EPA Classification
2 Seater Two-Seater
Interior Dimensions
Front Leg Room (in)
42.5 - TBD -
Passenger Capacity
2 2
Front Hip Room (in)
54.6 - TBD -
Front Head Room (in)
37.9 - TBD -
Front Shoulder Room (in)
52.2 - TBD -
Passenger Volume (ft³)
49.0 - TBD -
Exterior Dimensions
Liftover Height (in)
- TBD - - TBD -
Width, Max w/o mirrors (in)
70.4 70.9
Track Width, Front (in)
60.1 58.7
Min Ground Clearance (in)
- TBD - - TBD -
Length, Overall (in)
161.5 172.1
Height, Overall (in)
51.1 50.9
Track Width, Rear (in)
61.0 60.4
Wheelbase (in)
95.7 95.1
Cargo Area Dimensions
Trunk Volume (ft³)
9.8 (6.5 w/top down) 19.9
Brakes
Rear Brake Rotor Diam x Thickness (in)
10.9 x 0.4 11.8 x - TBD -
Brake Type
Pwr Pwr
Rear Drum Diam x Width (in)
NA NA
Disc - Front (Yes or )
Yes Yes
Front Brake Rotor Diam x Thickness (in)
11.8 x 1.1 12.5 x - TBD -
Drum - Rear (Yes or )
NA NA
Brake ABS System
4-Wheel 4-Wheel
Disc - Rear (Yes or )
Yes Yes
Fuel Tank
Fuel Tank Capacity, Approx (gal)
18.5 16.9
Steering
Steering Type
Pwr Rack & Pinion Pwr Rack & Pinion
Lock to Lock Turns (Steering)
2.16 - TBD -
Turning Diameter - Wall to Wall (ft)
- TBD - - TBD -
Steering Ratio (:1), Overall
- TBD - - TBD -
Turning Diameter - Curb to Curb (ft)
34.5 - TBD -
Tires
Spare Tire Size
- TBD - NA
Front Tire Order Code
- TBD - NA
Spare Tire Order Code
NA NA
Rear Tire Size
P245/40R17 P235/55ZR17
Rear Tire Order Code
- TBD - NA
Front Tire Size
P225/45R17 P205/55ZR17
Trailering
Wt Distributing Hitch - Max Tongue Wt. (lbs)
NA - TBD -
Dead Weight Hitch - Max Trailer Wt. (lbs)
NA - TBD -
Wt Distributing Hitch - Max Trailer Wt. (lbs)
NA - TBD -
Dead Weight Hitch - Max Tongue Wt. (lbs)
NA - TBD -
Weight Information
Base Curb Weight (lbs)
3208 2943
Wheels
Rear Wheel Material
Aluminum Aluminum
Rear Wheel Size (in)
17 x 8.5 17 x 8.5
Front Wheel Material
Aluminum Aluminum
Spare Wheel Material
- TBD - NA
Front Wheel Size (in)
17 x 7.5 17 x 7.0
Spare Wheel Size (in)
- TBD - NA
Cooling System
Total Cooling System Capacity (qts)
11.2 - TBD -
Electrical
Maximum Alternator Capacity (amps)
90 - TBD -
Cold Cranking Amps @ 0° F (Primary)
- TBD - - TBD -
Engine
SAE Net Horsepower @ RPM
228 @ 6000 255 @ 6400
Engine Type
Gas V6 Gas Flat 6-cyl
Fuel System
SMPI Direct Injection
SAE Net Torque @ RPM
221 @ 2500 - 5000 214 @ 4400-6000
Engine Order Code
NA NA
Displacement
3.0L/183 2.9L/177
Mileage
EPA Fuel Economy Est - City (MPG)
17 19
Fuel Economy Est-Combined (MPG)
20 22
EPA Fuel Economy Est - Hwy (MPG)
26 27
Transmission
Trans Description Cont. Again
NA NA
Reverse Ratio (:1)
4.06 3.33
Second Gear Ratio (:1)
2.61 2.05
Seventh Gear Ratio (:1)
NA NA
Trans Order Code
NA NA
Final Drive Axle Ratio (:1)
3.27 3.87
Fourth Gear Ratio (:1)
1.25 1.13
Trans Description Cont.
Manual w/OD Manual
Sixth Gear Ratio (:1)
0.84 0.84
First Gear Ratio (:1)
4.46 3.66
Clutch Size (in)
- TBD - 9.45
Third Gear Ratio (:1)
1.72 1.40
Trans Type
6 6
Drivetrain
Rear Wheel Drive Rear-Wheel Drive
Fifth Gear Ratio (:1)
1.00 0.97
Summary
Body Style
2 Door Roadster 2 Door Convertible
Vehicle Name
Mercedes-Benz SLK-Class Porsche Boxster
Suspension
Suspension Type - Rear (Cont.)
w/stabilizer bar NA
Shock Absorber Diameter - Rear (mm)
- TBD - - TBD -
Suspension Type - Front
3-link independent MacPherson Strut
Stabilizer Bar Diameter - Rear (in)
- TBD - - TBD -
Suspension Type - Front (Cont.)
w/stabilizer bar w/Coil Springs
Shock Absorber Diameter - Front (mm)
- TBD - - TBD -
Stabilizer Bar Diameter - Front (in)
- TBD - - TBD -
Suspension Type - Rear
5-arm multi-link MacPherson Strut
Emissions
Tons/yr of CO2 Emissions @ 15K mi/year
9.3 8.5
EPA Greenhouse Gas Score
4 5

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