| 2005 Cadillac XLR Specifications
 Body style / driveline:
2-door, hardtop convertible / rear-wheel drive
Construction:
hydroformed perimeter frame, structural center tunnel, aluminum cockpit frame
Body material:
composite exterior panels
Manufacturing location:
Bowling Green, Kentucky
Key competitors:
Mercedes-Benz SL500, Lexus SC430, Jaguar XK8
Engine
Type:
Northstar 4.6L V-8 VVT (variable valve timing)
Displacement (cu in / cc):
279 / 4565
Bore & stroke (in / mm):
3.66 x 3.31 / 93 x 84
Block material:
cast aluminum
Cylinder head material:
cast aluminum
Crankshaft material:
forged steel
Valvetrain:
DOHC, 4 valves per cylinder, four-cam continuously variable valve timing
Ignition system:
coil-on-plug ignition, with extended-life dual platinum-tipped spark plugs
Fuel system:
sequential electronic fuel injection
Compression ratio:
10.5:1
Horsepower (hp / kw @ rpm):
320 / 239 @ 6400
Torque (lb-ft / Nm @ rpm):
310 / 420 @ 4400
Recommended fuel:
unleaded premium
Max. engine speed (rpm):
6700
Estimated fuel economy:
MPG (city / hwy / combined)
17 / 25 / 21
MPIG (city / hwy / combined)
20 / 33 / 24
L/100km (city / hwy / combined)
14.2 / 8.6 / 11.6
Transmission
Type:
Hydra-Matic 5L50-E rear-wheel drive, electronically controlled 5-speed automatic with torque converter clutch and Driver Shift Control
Gear ratios (:1):
First:
3.45
Second:
2.21
Third:
1.60
Fourth:
1.00
Fifth:
0.76
Reverse:
3.02
Final drive ratio:
2.93
Chassis/Suspension
Front:
short/long arm (SLA) double wishbone, cast aluminum upper & lower control arms, transverse-mounted composite leaf spring, Magnetic Ride Control
Rear:
short/long arm (SLA) double wishbone, cast aluminum upper & lower control arms, transverse-mounted composite leaf spring, Magnetic Ride Control
Steering type:
Magnasteer power-assisted rack-and-pinion
Steering ratio:
17.2:1
Steering wheel turns (lock to lock):
2.9
Turning diameter, curb to curb (ft / m):
39 / 11.9
Brakes
Type:
power-assisted disc with 4-channel ABS, front and rear
Rotor diameter x thickness (in / mm):
front: 12.8 x 1.3 / 325 x 32
rear: 12.0 x 1.0 / 305 x 26
Wheels/Tires
Wheel type and size:
spun-cast aluminum, 18 inch x 8 inch
Tires:
Michelin ZP Extended Mobility
front: P235/50R18
rear: P235/50R18
Dimensions
Exterior
Wheelbase (in / mm):
105.7 / 2685
Overall length (in / mm):
177.7 / 4513
Overall width (in / mm):
72.3 / 1836
Overall height (in / mm):
50.4 / 1279
Track (in / mm):
front: 62.2 / 1580
rear: 62.2 / 1580
Minimum ground clearance
(in / mm):
6.61 / 168
Curb weight (lb / kg):
3647 / 1654
Interior
Seating capacity
(front / rear):
2 / 0
Head room (in / mm):
37.6 / 955
Leg room (in / mm):
42.6 / 1083
Shoulder room (in / mm):
54.3 / 1380
Hip room (in / mm):
53 / 1346
Capacities
Cargo volume (cu ft / L):
Top up:
11.6 / 328
Top down:
4.4 / 125
Fuel tank (gal / L):
18 / 68.1
Engine oil (qt / L):
7.5 / 7.1
Performance
Acceleration (0-60 mph / 0-97 km/h):
5.8 sec.
Max. lateral acceleration:
0.90g | 
