Compare 2008 Mercedes-Benz SL Class vs 2008 Porsche 911

2008 Mercedes-Benz SL Class
2008 Porsche 911
Add Vehicle
Select style
2-Door Roadster 5.5L AMG
Style MPG City MPG Hwy Invoice MSRP
SL-Class 2-Door Roadster 5.5L AMG 12 17 $120,249 $129,300
SL-Class 2-Door Roadster 5.5L V12 11 18 $123,876 $133,200
SL-Class 2-Door Roadster 5.5L V8 14 21 $88,629 $95,300
SL-Class 2-Door Roadster 6.0L AMG 11 18 $174,096 $187,200
Select style
2-Door Convertible Carrera
Style MPG City MPG Hwy Invoice MSRP
911 2-Door Convertible Carrera 18 26 $78,357 $89,700
911 2-Door Convertible Carrera 4 17 25 $78,357 $89,700
911 2-Door Convertible Carrera 4S 17 23 $87,375 $100,000
911 2-Door Convertible Carrera S 17 25 $82,209 $94,100
911 2-Door Convertible Turbo 15 24 $119,331 $136,500
911 2-Door Coupe Carrera 18 26 $64,174 $73,500
911 2-Door Coupe Carrera 4 17 25 $69,340 $79,400
911 2-Door Coupe Carrera 4S 17 23 $78,357 $89,700
911 2-Door Coupe Carrera S 17 25 $73,192 $83,800
911 2-Door Coupe GT2 16 23 $177,904 $191,700
911 2-Door Coupe GT3 15 22 $93,941 $107,500
911 2-Door Coupe GT3 RS 15 22 $109,175 $124,900
911 2-Door Coupe Turbo 16 23 $110,313 $126,200
911 2-Door Targa 4 17 25 $75,993 $87,000
911 2-Door Targa 4S 17 23 $85,011 $97,300
Pricing
Invoice Price
$120,249
$78,357
Manufacturer Suggested Retail Price
$129,300
$89,700
Monthly Payment Estimate
$2155 / month
$1495 / month
The Car Connection's Take
TCC Rating
8.4
9.2
TCC’s Bottom Line
Think of the 2008 Mercedes-Benz SL-Class as a big, luxurious grand tourer with a little bit of sportscar soul, and you're on the right track. The 2008 Porsche 911 has few peers in performance or in endurance.
TCC Likes
TCC Dislikes
Fuel Economy
City
12 mpg 18 mpg
Highway
17 mpg 26 mpg
Vehicle
EPA Classification
2 Seater Mini-Compact
Interior Dimensions
Front Shoulder Room (in)
54.0 - TBD -
Passenger Capacity
2 4
Front Leg Room (in)
42.9 - TBD -
Front Hip Room (in)
- TBD - - TBD -
Front Head Room (in)
37.7 - TBD -
Passenger Volume (ft³)
57.8 - TBD -
Second Hip Room (in)
- - TBD -
Second Head Room (in)
- - TBD -
Second Shoulder Room (in)
- - TBD -
Second Leg Room (in)
- - TBD -
Exterior Dimensions
Height, Overall (in)
51.0 51.6
Track Width, Rear (in)
61.1 60.4
Wheelbase (in)
100.8 92.5
Liftover Height (in)
- TBD - - TBD -
Width, Max w/o mirrors (in)
80.0 71.2
Track Width, Front (in)
61.8 58.5
Min Ground Clearance (in)
- TBD - - TBD -
Length, Overall (in)
178.5 175.6
Cargo Area Dimensions
Trunk Volume (ft³)
10.2 (7.2 w/top down) 4.8
Brakes
Drum - Rear (Yes or )
NA NA
Brake ABS System
4-Wheel 4-Wheel
Disc - Rear (Yes or )
Yes Yes
Rear Brake Rotor Diam x Thickness (in)
13.0 x - TBD - 11.78 x 0.95
Brake Type
Power Pwr
Rear Drum Diam x Width (in)
NA NA
Disc - Front (Yes or )
Yes Yes
Front Brake Rotor Diam x Thickness (in)
14.2 x - TBD - 12.52 x 1.10
Fuel Tank
Fuel Tank Capacity, Approx (gal)
21.1 16.9
Steering
Steering Ratio (:1), Overall
- TBD - - TBD -
Turning Diameter - Curb to Curb (ft)
36.2 - TBD -
Steering Type
Pwr Rack-&-pinion Pwr Rack & Pinion
Lock to Lock Turns (Steering)
2.6 - TBD -
Turning Diameter - Wall to Wall (ft)
- TBD - - TBD -
Tires
Rear Tire Order Code
NA NA
Front Tire Size
P255/35R19 P235/40ZR18
Spare Tire Size
Compact NA
Front Tire Order Code
NA NA
Spare Tire Order Code
NA NA
Rear Tire Size
P285/30R19 P265/40ZR18
Trailering
Wt Distributing Hitch - Max Tongue Wt. (lbs)
NA - TBD -
Dead Weight Hitch - Max Trailer Wt. (lbs)
- TBD - - TBD -
Wt Distributing Hitch - Max Trailer Wt. (lbs)
NA - TBD -
Dead Weight Hitch - Max Tongue Wt. (lbs)
- TBD - - TBD -
Weight Information
Base Curb Weight (lbs)
4365 3263
Wheels
Spare Wheel Size (in)
- TBD - NA
Rear Wheel Material
Aluminum Aluminum
Rear Wheel Size (in)
19 x 9.5 18 x 10
Front Wheel Material
Aluminum Aluminum
Spare Wheel Material
- TBD - NA
Front Wheel Size (in)
19 x 8.5 18 x 8
Cooling System
Total Cooling System Capacity (qts)
- TBD - - TBD -
Electrical
Maximum Alternator Capacity (amps)
- TBD - NA
Cold Cranking Amps @ 0° F (Primary)
- TBD - - TBD -
Engine
Engine Type
Gas V8 Gas Flat 6-cyl
Fuel System
SMPI EFI
SAE Net Torque @ RPM
531 @ 2600-4000 273 @ 4250
Engine Order Code
NA NA
Displacement
5.5L/332 3.6L/219
SAE Net Horsepower @ RPM
510 @ 6100 325 @ 6800
Mileage
EPA Fuel Economy Est - City (MPG)
12 18
EPA Fuel Economy Est - Hwy (MPG)
17 26
Transmission
Drivetrain
Rear Wheel Drive Rear Wheel Drive
Reverse Ratio (:1)
- TBD - 3.59
Second Gear Ratio (:1)
- TBD - 2.32
Trans Order Code
NA NA
Final Drive Axle Ratio (:1)
2.82 3.44
Fourth Gear Ratio (:1)
- TBD - 1.28
Trans Description Cont.
Automatic w/OD Manual w/OD
Sixth Gear Ratio (:1)
NA 0.88
First Gear Ratio (:1)
- TBD - 3.91
Seventh Gear Ratio (:1)
NA -
Clutch Size (in)
NA 9.45
Third Gear Ratio (:1)
- TBD - 1.61
Trans Type
5 6
Fifth Gear Ratio (:1)
- TBD - 1.08
Trans Description Cont. Again
NA NA
Summary
Body Style
2 Door Convertible 2 Door Convertible
Vehicle Name
Mercedes-Benz SL-Class Porsche 911
Suspension
Shock Absorber Diameter - Front (mm)
- TBD - - TBD -
Stabilizer Bar Diameter - Front (in)
- TBD - - TBD -
Suspension Type - Rear
Independent Multi-Link
Suspension Type - Rear (Cont.)
Multi-link w/Coil Springs
Shock Absorber Diameter - Rear (mm)
- TBD - - TBD -
Suspension Type - Front
Independent MacPherson Strut
Stabilizer Bar Diameter - Rear (in)
- TBD - - TBD -
Suspension Type - Front (Cont.)
4-Link w/Coil Springs

Get FREE Dealer Quotes

From dealers near you
Go!

Add a Vehicle to Compare

Select a vehicle below
Please choose a make.
Please choose a model.
Please choose a year.
Continue