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| Technical Specs of This Model |
| 1. |
Q45 Premium 2003
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| General Information |
| Make |
Infiniti |
| Model |
Q45 Premium |
| Production Year |
2003 |
| Country |
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| Designer |
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| Production Number |
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| Model Code |
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| Model Family |
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| Chassis and Dimensions |
| Chassis Type |
4/5S SAL |
| Number of Doors |
4 |
| Wheelbase |
2870 mm (113 in) |
| Front Track |
1590 mm (62,6 in) |
| Rear Track |
1570 mm (61,8 in) |
| Length |
5070 mm (199,6 in) |
| Width |
1844 mm (72,6 in) |
| Height |
1491 mm (58,7 in) |
| Ground Clearance |
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| Length / Wheelbase Ratio |
1,77 |
| Weight |
1804 kg (3973,6 lb) |
| Weight Distribution (front/rear) |
%54 / %46 |
| Fuel Capacity |
81,1 litre (17,8 Imp gal , 21,4 US gal) |
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| Aerodynamics |
| Drag Coefficient |
0,3 |
| Frontal Area |
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| Cx |
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| Engine Specifications |
| Engine Manufacturer |
Nissan |
| Engine Location |
Front |
| Engine Alignment |
Longitudinal |
| Engine Construction |
aluminium block & head |
| Coolant Type |
Water |
| Engine Type |
DOHC |
| Number of Cylinders and Placement |
V-8 |
| Valves per Cylinder |
4 (Total of 32 Pieces) |
| Engine Displacement |
4494 cc (274,24 cu in) |
| Bore |
93 mm (3,66 in) |
| Stroke |
82,7 mm (3,26 in) |
| Bore / Stroke Ratio |
1,12 |
| Unitary Capacity |
561,75 cc/cylinder (34,28 cu in/cylinder) |
| Number of Main Bearings |
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| Compression Ratio |
10,5 : 1 |
| Fuel System Type |
MPFi |
| Aspiration Type |
Normal |
| Compressor Type |
- |
| Intercooler Type |
None |
| Catalytic Converter |
Yes |
| Maximum Engine Power |
340 HP (253,5 kW) |
| Maximum Engine Power rpm |
6400 d/d |
| Maximum Engine Torque |
451 N.m (332,8 lb.ft , 46 kg.m) |
| Maximum Engine Torque rpm |
4000 d/d |
| Engine Torque at Max. Engine Power rpm |
378,3 N.m (6400 d/d) |
| Power / Weight Ratio |
188,5 HP/ton (140,5 W/kg) |
| Power / Engine Displacement Ratio |
75,7 HP/litre (56,4 kW/litre) |
| CO2 Emissions |
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| Fuel Consumption |
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| Performance |
| 0 - 80 km/h |
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| 0 - 60 mph |
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| 0 - 100 km/h |
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| 0 - 160 km/h |
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| 80 - 120 km/h (in top gear) |
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| 0 - 400 m Acceleration |
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| 0 - 1000 m Acceleration |
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| Top Speed |
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| Gearbox and Transmission |
| Transmission Type |
5A |
| Top Gear Ratio |
0,83 : 1 |
| Final Drive Ratio |
3,13 : 1 |
| Drive Wheels |
RWD (Rear Wheel Drive) |
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| Handling, Suspension Geometry and Brakes |
| Steering Type |
rack & pinion VPAS |
| Steering Turns (lock to lock) |
3,3 |
| Turning Circle Diameter |
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| Suspension (front) |
I.CS.ARB. |
| Suspension (rear) |
I.MultiLi.CS.ARB. |
| Brakes (front/rear) |
VeDi/VeDi-S-ABS |
| Brake Disc Diameter (front) |
290 mm |
| Brake Disc Diameter (rear) |
292 mm |
| Wheels (front) |
7.5JJ x 18 |
| Wheels (rear) |
7.5JJ x 18 |
| Tyres (front) |
245/45 R 18 V |
| Tyres (rear) |
245/45 R 18 V |
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