2003 Infiniti Q45, Infinity Q 45 - Specs | Performance Data

Standard Engine:
4,494cc V8; aluminum head / aluminum block
DOHC 4-valves/cyl.; variable valve timing
Bore & stroke: 93.0 x 82.7 mm; compression ratio: 10.5:1
340 hp @ 6,400 rpm / 333 lb-ft @ 4,000 rpm

Fuel Capacity:
21.4 gallon fuel tank

Standard Transmission:
5-speed automatic
Ratios: 3.54, 2.26, 1.47, 1.00, 0.83
Final drive: 3.13:1

Steering:
Rack & pinion; power assist
Turning circle (ft): 36.1

Suspension:
Front: MacPherson struts; coil springs, stabilizer bar
Rear: Multi-link; coil springs, stabilizer bar

Brakes:
4-wheel ABS, brake-assist, electronic brake distribution, VDC
Front: 11.4 x 1.1 in. power-assisted ventilated discs
Rear: 11.5 x 0.6 in. power-assisted ventilated discs

Exterior Dimensions

> Safety & Features & Prices (?)

Length (in.):

199.6

Width (in.):

72.6

Height (in.):

58.7

Wheelbase (in.):

113.0

Track front (in.):

62.2; 62.6 (Premium)

Track rear (in.):

61.4; 61.8 (Premium)

Interior Dimensions

> Safety & Features & Prices (?)

Interior Vol. (cu-ft):

102.1

Seating Cap.:

Front:

Headroom (in.):

38.4

Leg room (in.):

44.0

Hip room (in.):

56.5

Shoulder room (in.):

58.2

Rear:

Headroom (in.):

36.4

Leg room (in.):

37.3

Hip room (in.):

55.0

Shoulder room (in.):

57.2

Cargo Capacity (cu-ft):

13.6

Performance Data

0-60:	6.0 sec.
0-100:	15.1 sec.
1/4-mile:	14.5 sec.

60-0:	137 ft.
Top Speed:	147 mph

Fuel Economy (mpg):

EPA city:	17
EPA highway:	25

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