Compare 1999 Mercedes-Benz SL Class vs 1999 Porsche 911

1999 Mercedes-Benz SL Class
1999 Porsche 911
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2-Door Roadster 5.0L
Style MPG City MPG Hwy Invoice MSRP
2-Door Roadster 5.0L 16 23 $70,560 $81,100
2-Door Roadster 6.0L 13 19 $110,400 $126,900
Select style
2-Door Carrera Coupe 6-Speed Manual
Style MPG City MPG Hwy Invoice MSRP
2-Door Carrera Coupe 6-Speed Manual 17 25 $56,290 $65,030
2-Door Carrera Coupe w/Tiptronic 16 25 $59,164 $68,450
2-Door Carrera 4 Coupe 6-Speed Manual 17 24 $61,087 $70,480
2-Door Carrera 4 Coupe w/Tiptronic 16 24 $63,961 $73,900
2-Door Carrera Cabriolet 6-Speed Manual 17 25 $64,523 $74,460
2-Door Carrera Cabriolet w/Tiptronic 16 25 $67,397 $77,880
2-Door Carrera 4 Cabriolet 6-Speed Manual 17 24 $69,037 $79,920
2-Door Carrera 4 Cabriolet w/Tiptronic 16 24 $71,911 $83,340
Pricing
Invoice Price
$70,560
$56,290
Manufacturer Suggested Retail Price
$81,100
$65,030
Monthly Payment Estimate
$1352 / month
$1084 / month
The Car Connection's Take
TCC Rating
Fuel Economy
City
16 mpg 17 mpg
Highway
23 mpg 25 mpg
Vehicle
EPA Classification
Two Seater Mini-Compact
Interior Dimensions
Front Shoulder Room (in)
55.4 51.7
Passenger Capacity
2 4
Front Leg Room (in)
42.4 41.6
Front Hip Room (in)
53.2 51.7
Front Head Room (in)
37.1 38.0
Passenger Volume (ft³)
50.4 - 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)
51.3 51.8
Track Width, Rear (in)
60.0 59.1
Wheelbase (in)
99.0 92.6
Liftover Height (in)
- TBD - - TBD -
Width, Max w/o mirrors (in)
71.3 69.5
Track Width, Front (in)
60.4 57.3
Min Ground Clearance (in)
4.90 3.94
Length, Overall (in)
177.1 174.5
Cargo Area Dimensions
Trunk Volume (ft³)
7.9 - TBD -
Brakes
Drum - Rear (Yes or )
NA NA
Brake ABS System
4 Wheel Four-Wheel
Disc - Rear (Yes or )
Yes Yes
Rear Brake Rotor Diam x Thickness (in)
10.9 x 0.4 11.78 x 0.95
Brake Type
Power Pwr-Assisted
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 12.53 x 1.10
Fuel Tank
Fuel Tank Capacity, Approx (gal)
21.1 17.0
Steering
Steering Ratio (:1), Overall
14.1 16.9
Turning Diameter - Curb to Curb (ft)
35.4 34.8
Steering Type
Pwr Recirculating Ball Pwr Rack & Pinion
Lock to Lock Turns (Steering)
3.0 2.98
Turning Diameter - Wall to Wall (ft)
- TBD - - TBD -
Tires
Rear Tire Order Code
NA NA
Front Tire Size
245/45ZR17 P205/50ZR17
Spare Tire Size
Full-Size - TBD -
Front Tire Order Code
NA NA
Spare Tire Order Code
NA NA
Rear Tire Size
245/45ZR17 P255/40ZR17
Trailering
Wt Distributing Hitch - Max Tongue Wt. (lbs)
NA N/A
Dead Weight Hitch - Max Trailer Wt. (lbs)
- TBD - N/A
Wt Distributing Hitch - Max Trailer Wt. (lbs)
NA N/A
Dead Weight Hitch - Max Tongue Wt. (lbs)
- TBD - N/A
Weight Information
Base Curb Weight (lbs)
4125 2910
Wheels
Spare Wheel Size (in)
Full-Size - TBD -
Rear Wheel Material
Aluminum Aluminum
Rear Wheel Size (in)
17 x 8.25 17 x 9
Front Wheel Material
Aluminum Aluminum
Spare Wheel Material
Aluminum - TBD -
Front Wheel Size (in)
17 x 8.25 17 x 7
Cooling System
Total Cooling System Capacity (qts)
- TBD - 24.0
Electrical
Maximum Alternator Capacity (amps)
143 120
Cold Cranking Amps @ 0° F (Primary)
100 - TBD -
Engine
Engine Type
Gas V8 Gas Flat 6-cyl
Fuel System
SMPI EFI
SAE Net Torque @ RPM
339 @ 2700-4250 258 @ 4600
Engine Order Code
NA NA
Displacement
5.0L/303 3.4L/207
SAE Net Horsepower @ RPM
302 @ 5600 296 @ 6800
Mileage
EPA Fuel Economy Est - City (MPG)
16 17
EPA Fuel Economy Est - Hwy (MPG)
23 25
Transmission
Drivetrain
Rear Wheel Drive Rear-Wheel Drive
Reverse Ratio (:1)
3.16 (1.95 Winter Mode) 3.55
Second Gear Ratio (:1)
2.19 2.20
Trans Order Code
NA NA
Final Drive Axle Ratio (:1)
2.65 3.44
Fourth Gear Ratio (:1)
1.00 1.22
Trans Description Cont.
Automatic w/OD Manual w/OD
Sixth Gear Ratio (:1)
NA 0.84
First Gear Ratio (:1)
3.59 3.82
Seventh Gear Ratio (:1)
NA NA
Clutch Size (in)
NA - TBD -
Third Gear Ratio (:1)
1.41 1.52
Trans Type
5 6
Fifth Gear Ratio (:1)
0.83 1.02
Trans Description Cont. Again
Electronic NA
Summary
Body Style
2 Door Convertible 2 Door Coupe
Vehicle Name
Mercedes-Benz SL-Class Porsche 911 Carrera
Suspension
Shock Absorber Diameter - Front (mm)
- TBD - - TBD -
Stabilizer Bar Diameter - Front (in)
- TBD - - TBD -
Suspension Type - Rear
5-Link Multi-Link
Suspension Type - Rear (Cont.)
w/Coil Springs w/LSA
Shock Absorber Diameter - Rear (mm)
- TBD - - TBD -
Suspension Type - Front
Lower Control Arms MacPherson Strut
Stabilizer Bar Diameter - Rear (in)
- TBD - - TBD -
Suspension Type - Front (Cont.)
w/Coil Springs w/Coil Springs

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