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2003 Infiniti Q45 Comparisons
Individual reviews have their uses, but nothing reveals a car’s pros and cons like
...
cold, hard scrutiny. With our 2003 Infiniti Q45 comparison tool you can see for yourself how any two or three models measure up against this vehicle in body dimensions, horsepower, fuel economy, equipment, pricing, you name it. Our user-friendly format should make differences easy to spot.
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Infiniti Q45 |
Lexus LS430 |
BMW 5-Series 540I |
Cadillac Seville STS |
| MSRP |
$56,000.00 |
$55,125.00 |
$51,800.00 |
$51,650.00 |
| Destination |
$545.00 |
$575.00 |
$695.00 |
$795.00 |
| Internet Price |
Get Price Quote |
Get Price Quote |
Get Price Quote |
Get Price Quote |
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Infiniti Q45 |
Lexus LS430 |
BMW 5-Series 540I |
Cadillac Seville STS |
| Standard Engine |
4.5L 340hp V8 |
4.3L 290hp V8 |
4.4L 290hp V8 |
4.6L 300hp V8 |
| Horsepower |
340 @ 6400 RPM |
290 @ 5600 RPM |
290 @ 5400 RPM |
300 @ 6000 RPM |
| Torque |
333 @ 4000 RPM |
320 @ 3400 RPM |
324 @ 3600 RPM |
295 @ 4400 RPM |
| Valves |
4 |
4 |
4 |
4 |
| Displacement (cc) |
4494 |
4293 |
4398 |
4565 |
| Bore X Stroke (in.) |
3.7 X 3.3 |
3.6 X 3.2 |
3.6 X 3.3 |
3.7 X 3.3 |
| Compression Ratio |
10.5:1 |
10.5:1 |
10:1 |
10:1 |
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Infiniti Q45 |
Lexus LS430 |
BMW 5-Series 540I |
Cadillac Seville STS |
| City (mpg) |
17 |
19 |
18 |
18 |
| Highway (mpg) |
23 |
25 |
24 |
27 |
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Infiniti Q45 |
Lexus LS430 |
BMW 5-Series 540I |
Cadillac Seville STS |
| Curb Weight - Automatic (lb.) |
3977.1 |
3944.1 |
3803 |
4027.8 |
| Wheelbase (in.) |
113 |
115.2 |
111.4 |
112.2 |
| Length (in.) |
199.6 |
196.7 |
188 |
201 |
| Width (in.) |
72.6 |
72 |
70.9 |
75 |
| Height (in.) |
58.7 |
58.7 |
56.5 |
55.4 |
| Track Front (in.) |
62.2 |
61.8 |
59.5 |
62.7 |
| Track Rear (in.) |
61.4 |
61.8 |
60.1 |
62.9 |
| Ground Clearance (in.) |
N/A |
N/A |
N/A |
N/A |
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Infiniti Q45 |
Lexus LS430 |
BMW 5-Series 540I |
Cadillac Seville STS |
| Standard Seating |
5 |
5 |
5 |
5 |
| Front Headroom (in.) |
38.4 |
39.6 |
37.4 |
38.2 |
| Rear Headroom (in.) |
36.4 |
38 |
37.2 |
38 |
| Front Legroom (in.) |
44 |
44 |
41.7 |
42.5 |
| Rear Legroom (in.) |
37.3 |
37.6 |
34.2 |
38.2 |
| Front Shoulder Room (in.) |
58.2 |
58.3 |
56.8 |
59.1 |
| Rear Shoulder Room (in.) |
57.2 |
58.2 |
55.9 |
58 |
| Front Hip Room (in.) |
56.5 |
56.7 |
58 |
55.6 |
| Rear Hip Room (in.) |
55 |
57.3 |
58.5 |
57.5 |
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Infiniti Q45 |
Lexus LS430 |
BMW 5-Series 540I |
Cadillac Seville STS |
| Passenger Volumn (cu. ft.) |
102.1 |
107.2 |
92.5 |
104.2 |
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Infiniti Q45 |
Lexus LS430 |
BMW 5-Series 540I |
Cadillac Seville STS |
| Front Suspension |
strut |
wishbone |
strut |
strut |
| Rear Suspension |
multi-link |
wishbone |
multi-link |
multi-link |
| Tires |
225/55R17 |
225/55R17 |
225/55R16 |
235/55R16 |
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Infiniti Q45 |
Lexus LS430 |
BMW 5-Series 540I |
Cadillac Seville STS |
| Power Door Locks |
Std. |
Std. |
Std. |
Std. |
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Infiniti Q45 |
Lexus LS430 |
BMW 5-Series 540I |
Cadillac Seville STS |
| 4 Wheel Drive / All Wheel Drive |
rear wheel drive |
rear wheel drive |
rear wheel drive |
front wheel drive |
| ABS Brakes (2 or 4 Wheel) |
Std. |
Std. |
Std. |
Std. |
| Limited Slip Differential or Axle |
Std. |
N/A |
N/A |
N/A |
| Vehicle Stability Control System |
Std. |
Std. |
Std. |
Std. |
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Infiniti Q45 |
Lexus LS430 |
BMW 5-Series 540I |
Cadillac Seville STS |
| Radio |
AM/FM |
AM/FM |
AM/FM |
AM/FM |
| Cassette Player |
Yes |
Yes |
N/A |
Yes |
| CD Player |
Yes |
Yes |
Yes |
Yes |
| CD Changer |
Yes |
Yes |
N/A |
N/A |
| DVD Player |
N/A |
N/A |
N/A |
N/A |
| Navigation Aid |
Std. |
N/A |
N/A |
N/A |
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Infiniti Q45 |
Lexus LS430 |
BMW 5-Series 540I |
Cadillac Seville STS |
| Cruise Control |
Std. |
Std. |
Std. |
Std. |
| Tilt Steering |
Yes |
Yes |
Yes |
Yes |
| Telescopic Steering Column |
Yes |
Yes |
Yes |
Yes |
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Infiniti Q45 |
Lexus LS430 |
BMW 5-Series 540I |
Cadillac Seville STS |
| Air Conditioning |
Std. |
Std. |
Std. |
Std. |
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Infiniti Q45 |
Lexus LS430 |
BMW 5-Series 540I |
Cadillac Seville STS |
| Driver Airbag |
Std. |
Std. |
Std. |
Std. |
| Front Side Airbag |
Std. |
Std. |
Std. |
Std. |
| Passenger Side Airbag |
Std. |
Std. |
Std. |
Std. |
| Rear Side Airbag |
N/A |
N/A |
N/A |
N/A |
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Infiniti Q45 |
Lexus LS430 |
BMW 5-Series 540I |
Cadillac Seville STS |
| Driver Multi-Adjustable Power Seat |
Yes |
Yes |
Yes |
Yes |
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Infiniti Q45 |
Lexus LS430 |
BMW 5-Series 540I |
Cadillac Seville STS |
| Sunroof / Moonroof |
Std. |
N/A |
Std. |
N/A |
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Infiniti Q45 |
Lexus LS430 |
BMW 5-Series 540I |
Cadillac Seville STS |
| Power Windows |
Std. |
Std. |
Std. |
Std. |
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