Compare 2008 Cadillac XLR vs 2009 Mercedes-Benz SL Class

2008 Cadillac XLR
2009 Mercedes-Benz SL Class
Add Vehicle
Select style
2-Door Convertible
Style MPG City MPG Hwy Invoice MSRP
2-Door Convertible 15 24 $75,407 $80,650
Select style
2-Door Roadster 5.5L V8
Style MPG City MPG Hwy Invoice MSRP
2-Door Roadster 5.5L V8 13 21 $91,605 $98,500
2-Door Roadster 6.2L AMG 12 19 $125,550 $135,000
2-Door Roadster 5.5L V12 11 18 $129,363 $139,100
2-Door Roadster 6.0L AMG 11 18 $181,071 $194,700
2-Door Coupe 6.0L AMG Black Series 11 18 $278,070 $299,000
Pricing
Invoice Price
$75,407
$91,605
Manufacturer Suggested Retail Price
$80,650
$98,500
Monthly Payment Estimate
$1344 / month
$1642 / month
The Car Connection's Take
TCC Rating
8.6
8.4
TCC’s Bottom Line
The 2008 Cadillac XLR still manages to turn heads with its style. The SL’s new look isn’t to everyone’s liking, but in AMG guise, it’s now more punch than paunch—and a worthy stealth Ferrari-chaser.
TCC Likes
TCC Dislikes
Fuel Economy
City
15 mpg 13 mpg
Highway
24 mpg 21 mpg
Vehicle
EPA Classification
Two-seater 2 Seater
Interior Dimensions
Passenger Capacity
2 2
Front Leg Room (in)
42.6 42.9
Front Hip Room (in)
53.0 56.9
Passenger Volume (ft³)
- TBD - 50.0
Front Head Room (in)
37.6 37.7
Front Shoulder Room (in)
54.3 54.0
Exterior Dimensions
Track Width, Rear (in)
62.2 60.5
Wheelbase (in)
105.7 100.8
Liftover Height (in)
- TBD - - TBD -
Width, Max w/o mirrors (in)
72.3 - TBD -
Track Width, Front (in)
62.2 61.4
Min Ground Clearance (in)
- TBD - - TBD -
Length, Overall (in)
177.7 180.4
Height, Overall (in)
50.4 51.1
Cargo Area Dimensions
Trunk Volume (ft³)
11.6 max 4.4 min 10.2 (7.2 w/top down)
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)
12.0 x 1.0 11.8 x 0.4
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)
12.8 x 1.3 13.0 x 1.1
Fuel Tank
Fuel Tank Capacity, Approx (gal)
18 21.1
Steering
Steering Ratio (:1), Overall
17.2 - TBD -
Turning Diameter - Curb to Curb (ft)
39 36.2
Steering Type
Pwr Rack & Pinion Pwr Rack & Pinion
Lock to Lock Turns (Steering)
2.9 2.6
Turning Diameter - Wall to Wall (ft)
- TBD - - TBD -
Tires
Front Tire Size
P235/50WR18 P255/40ZR18
Spare Tire Size
- TBD - Compact
Front Tire Order Code
QMS NA
Spare Tire Order Code
NA NA
Rear Tire Size
P235/50WR18 P285/35WR18
Rear Tire Order Code
QMS NA
Trailering
Dead Weight Hitch - Max Trailer Wt. (lbs)
NA - TBD -
Wt Distributing Hitch - Max Trailer Wt. (lbs)
NA NA
Dead Weight Hitch - Max Tongue Wt. (lbs)
NA - TBD -
Wt Distributing Hitch - Max Tongue Wt. (lbs)
NA NA
Weight Information
Base Curb Weight (lbs)
3647 4220
Wheels
Spare Wheel Size (in)
- TBD - - TBD -
Rear Wheel Material
Aluminum Aluminum
Rear Wheel Size (in)
18 x - TBD - 18 x 9.5
Front Wheel Material
Aluminum Aluminum
Spare Wheel Material
- TBD - - TBD -
Front Wheel Size (in)
18 x - TBD - 18 x 8.5
Cooling System
Total Cooling System Capacity (qts)
- TBD - - TBD -
Electrical
Maximum Alternator Capacity (amps)
150 - TBD -
Cold Cranking Amps @ 0° F (Primary)
- TBD - - TBD -
Engine
Engine Type
Gas V8 Gas V8
Fuel System
SFI SFI
SAE Net Torque @ RPM
310 @ 4400 391 @ 2800-4000
Engine Order Code
LH2 NA
Displacement
4.6L/279 5.5L/333
SAE Net Horsepower @ RPM
320 @ 6400 382 @ 6000
Mileage
EPA Fuel Economy Est - Hwy (MPG)
24 21
EPA Fuel Economy Est - City (MPG)
15 13
Fuel Economy Est-Combined (MPG)
- 16
Transmission
Drivetrain
Rear Wheel Drive Rear Wheel Drive
Reverse Ratio (:1)
3.06 3.42 (R2 2.23)
Second Gear Ratio (:1)
2.36 2.86
Trans Order Code
MX0 NA
Final Drive Axle Ratio (:1)
2.73 - TBD -
Fourth Gear Ratio (:1)
1.15 1.37
Trans Description Cont.
Automatic w/OD Automatic w/OD
Sixth Gear Ratio (:1)
0.67 0.82
First Gear Ratio (:1)
4.03 4.38
Clutch Size (in)
NA NA
Third Gear Ratio (:1)
1.53 1.92
Trans Type
6 7
Fifth Gear Ratio (:1)
0.85 1.00
Trans Description Cont. Again
NA NA
Seventh Gear Ratio (:1)
- 0.73
Summary
Body Style
2 Door Conv 2 Door Convertible
Vehicle Name
Cadillac XLR Mercedes-Benz SL-Class
Suspension
Stabilizer Bar Diameter - Front (in)
- TBD - - TBD -
Suspension Type - Rear
Independent Independent
Suspension Type - Rear (Cont.)
SLA double wishbone 5-Arm Multi-Link
Shock Absorber Diameter - Rear (mm)
- TBD - - TBD -
Suspension Type - Front
Independent Independent
Stabilizer Bar Diameter - Rear (in)
- TBD - - TBD -
Suspension Type - Front (Cont.)
SLA double wishbone 4-Link
Shock Absorber Diameter - Front (mm)
- TBD - - TBD -
Emissions
EPA Greenhouse Gas Score
- 3

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