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Compare 2004 Cadillac XLR vs 2004 Porsche Boxster

2004 Cadillac XLR Change
2004 Porsche Boxster Change
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Selected Style 2-Door Convertible 2-Door Roadster Tiptronic
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Body Style

Transmission

Trim

Other

Style MPG City MPG Hwy Invoice MSRP
2-Door Roadster 5-Speed Manual 20 29 $37,121 $42,600
2-Door Roadster Tiptronic 18 26 $37,121 $42,600
2-Door Roadster 6-Speed Manual S 18 26 $45,001 $51,600
2-Door Roadster Tiptronic S 17 26 $45,001 $51,600
2-Door Roadster 6-Speed Manual S SE 18 26 $52,267 $59,900
2-Door Roadster Tiptronic S SE 17 26 $52,267 $59,900
Pricing
Invoice Price
$69,731
$37,121
Manufacturer Suggested Retail Price
$75,385
$42,600
Monthly Payment Estimate
$1256 / month
$710 / month
Dealer Price Quotes
The Car Connection's Take
TCC Rating Read Our Full Review
Fuel Economy
Fuel Economy - City 17 mpg 18 mpg
Fuel Economy - Highway 25 mpg 26 mpg
Vehicle
EPA Classification Two-seater Two-Seater
Interior Dimensions
Front Shoulder Room (in) 54.3 51.7
Passenger Capacity 2 2
Front Leg Room (in) 42.6 41.6
Front Hip Room (in) 53.0 53.4
Front Head Room (in) 37.6 38.4
Passenger Volume (ft³) - TBD - - TBD -
Exterior Dimensions
Height, Overall (in) 50.4 50.8
Track Width, Rear (in) 62.2 60.2
Wheelbase (in) 105.7 95.1
Liftover Height (in) - TBD - - TBD -
Width, Max w/o mirrors (in) 72.3 70.1
Track Width, Front (in) 62.2 57.7
Min Ground Clearance (in) 6.61 4.1
Length, Overall (in) 177.7 170.1
Cargo Area Dimensions
Trunk Volume (ft³) 11.6 max 4.4 min 9.1
Brakes
Front Brake Rotor Diam x Thickness (in) 12.8 x 1.3 11.7 x 0.95
Drum - Rear (Yes or ) NA NA
Brake ABS System Yes Four-Wheel
Disc - Rear (Yes or ) Yes Yes
Rear Brake Rotor Diam x Thickness (in) 12.0 x 1.0 11.5 x 0.8
Brake Type Pwr Pwr
Rear Drum Diam x Width (in) NA NA
Disc - Front (Yes or ) Yes Yes
Fuel Tank
Fuel Tank Capacity, Approx (gal) 18 16.9
Steering
Turning Diameter - Wall to Wall (ft) - TBD - - TBD -
Steering Ratio (:1), Overall 17.2 16.9
Turning Diameter - Curb to Curb (ft) 39 35.8
Steering Type Speed-sensitive Pwr Rack & Pinion
Lock to Lock Turns (Steering) 2.9 2.98
Tires
Rear Tire Order Code NA NA
Front Tire Size P235/50WR18 P205/55ZR16
Spare Tire Size - TBD - Compact
Front Tire Order Code NA NA
Spare Tire Order Code NA NA
Rear Tire Size P235/50WR18 P225/50ZR16
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) 3647 2936
Wheels
Spare Wheel Material - TBD - - TBD -
Front Wheel Size (in) 18 x 8 16 x 6
Spare Wheel Size (in) - TBD - - TBD -
Rear Wheel Material Aluminum Aluminum
Rear Wheel Size (in) 18 x 8 16 x 7
Front Wheel Material Aluminum Aluminum
Cooling System
Total Cooling System Capacity (qts) 10 - TBD -
Electrical
Cold Cranking Amps @ 0° F (Primary) - TBD - - TBD -
Maximum Alternator Capacity (amps) 150 - TBD -
Engine
SAE Net Horsepower @ RPM 320 @ 6400 228 @ 6300
Engine Type Gas V8 Gas Flat 6-cyl
Fuel System SFI SMFI
SAE Net Torque @ RPM 310 @ 4400 192 @ 4750
Engine Order Code LH2 NA
Displacement 4.6L/279 2.7L/164
Mileage
EPA Fuel Economy Est - City (MPG) 17 18
EPA Fuel Economy Est - Hwy (MPG) 25 26
Transmission
Fifth Gear Ratio (:1) 0.76 0.74
Trans Description Cont. Again NA w/Tiptronic
Drivetrain Rear Wheel Drive Rear-Wheel Drive
Reverse Ratio (:1) 3.02 4.10
Second Gear Ratio (:1) 2.21 2.00
Trans Order Code MX0 NA
Final Drive Axle Ratio (:1) 2.93 4.02
Fourth Gear Ratio (:1) 1.00 1.00
Trans Description Cont. Automatic w/OD Automatic
Sixth Gear Ratio (:1) NA NA
First Gear Ratio (:1) 3.45 3.66
Seventh Gear Ratio (:1) NA NA
Clutch Size (in) NA NA
Third Gear Ratio (:1) 1.60 1.41
Trans Type 5 5
Summary
Vehicle Name Cadillac XLR Porsche Boxster
Body Style 2 Door Conv 2 Door Roadster
Suspension
Shock Absorber Diameter - Front (mm) - TBD - - TBD -
Stabilizer Bar Diameter - Front (in) - TBD - .91
Suspension Type - Rear Independent Independent
Suspension Type - Rear (Cont.) SLA double wishbone MacPherson Strut
Shock Absorber Diameter - Rear (mm) - TBD - - TBD -
Suspension Type - Front Independent Independent
Stabilizer Bar Diameter - Rear (in) - TBD - .73
Suspension Type - Front (Cont.) SLA double wishbone MacPherson Strut
 
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