2003 INFINITI Q45 specs & colors
4dr Car
Key specs
Color options
Interior
No colors available
Packages
Specifications
| EPA Classification | Mid-Size |
| Front Wheel Size | 17 x 7.5 in |
| Rear Wheel Size | 17 x 7.5 in |
| Spare Wheel Size | 17 x 7.5 in |
| Front Wheel Material | Aluminum |
| Rear Wheel Material | Aluminum |
| Spare Wheel Material | Aluminum |
| Cold Cranking Amps @ 0° F (Primary) | N/A |
| Maximum Alternator Capacity (amps) | 110 |
| Engine Type | Gas V8 |
| Displacement | 4.5L/275 |
| SAE Net Horsepower @ RPM | 340 @ 6400 |
| SAE Net Torque @ RPM | 333 @ 4000 |
| EPA Fuel Economy Est - Hwy | 23 MPG |
| Cruising Range - City | 363.80 mi |
| EPA Fuel Economy Est - City | 17 MPG |
| Fuel Economy Est-Combined | N/A MPG |
| Cruising Range - Hwy | 492.20 mi |
| EPA MPG Equivalent - City | N/A |
| EPA MPG Equivalent - Hwy | N/A |
| EPA MPG Equivalent - Combined | N/A |
| Estimated Battery Range | N/A mi |
| Drivetrain | Rear-Wheel Drive |
| Trans Type | 5 |
| Trans Description Cont. | Automatic w/OD |
| Trans Description Cont. Again | Not Available |
| First Gear Ratio (:1) | 3.54 |
| Second Gear Ratio (:1) | 2.26 |
| Third Gear Ratio (:1) | 1.47 |
| Fourth Gear Ratio (:1) | 1.00 |
| Fifth Gear Ratio (:1) | 0.83 |
| Reverse Ratio (:1) | 2.37 |
| Final Drive Axle Ratio (:1) | 3.13 |
| Suspension Type - Front | Strut-Type |
| Suspension Type - Rear | Multi-Link |
| Suspension Type - Front (Cont.) | w/Coil Springs |
| Suspension Type - Rear (Cont.) | w/Coil Springs |
| Brake Type | Power |
| Brake ABS System | Four-Wheel |
| Brake ABS System (Second Line) | N/A |
| Disc - Front (Yes or ) | Yes |
| Disc - Rear (Yes or ) | Yes |
| Front Brake Rotor Diam x Thickness | 11.4 x 1.1 in |
| Rear Brake Rotor Diam x Thickness | 11.5 x 0.6 in |
| Drum - Rear (Yes or ) | Not Available |
| Fuel Tank Capacity, Approx | 21.4 gal |
| Aux Fuel Tank Capacity, Approx | N/A gal |
| Steering Type | Pwr Rack & Pinion |
| Steering Ratio (:1), Overall | 18.1 |
| Lock to Lock Turns (Steering) | 3.3 |
| Turning Diameter - Curb to Curb | 36.1 ft |
| Turning Diameter - Wall to Wall | N/A ft |
| Front Tire Size | 225/55VR17 |
| Rear Tire Size | 225/55VR17 |
| Spare Tire Size | 225/55VR17 |
| Dead Weight Hitch - Max Trailer Wt. | N/A lbs |
| Dead Weight Hitch - Max Tongue Wt. | N/A lbs |
| Wt Distributing Hitch - Max Trailer Wt. | N/A lbs |
| Wt Distributing Hitch - Max Tongue Wt. | N/A lbs |
| Base Curb Weight | 3977 lbs |
| Passenger Capacity | 5 |
| Passenger Volume | 102.1 ft³ |
| Front Head Room | 38.1 in |
| Front Leg Room | 44.0 in |
| Front Shoulder Room | 58.2 in |
| Front Hip Room | 56.5 in |
| Second Head Room | 36.4 in |
| Second Leg Room | 37.3 in |
| Second Shoulder Room | 57.2 in |
| Second Hip Room | 55.0 in |
| Wheelbase | 113.0 in |
| Length, Overall | 199.6 in |
| Width, Max w/o mirrors | 72.6 in |
| Height, Overall | 58.7 in |
| Track Width, Front | 62.2 in |
| Track Width, Rear | 61.4 in |
| Min Ground Clearance | 5.8 in |
| Liftover Height | N/A in |
| Trunk Volume | 13.6 ft³ |
| Front seat active head restraints | Standard |
| Front/rear 3-point safety belts for all seating postions | Standard |
| Pwr tilt/telescopic steering column | Standard |
| Illuminated entry/exit system w/time delay fade-out/battery saver feature | Standard |
| HomeLink universal remote transmitter w/rolling code feature | Standard |
| Rear wheel drive | Standard |
| Floor mats | Standard |
| Independent multi-link rear suspension w/coil springs | Standard |
| 21.4 gallon fuel tank | Standard |
| Pwr trunk/fuel filler door releases | Standard |
| Automatic auto-dimming rearview mirror w/compass | Standard |
| Electric brake force distribution | Standard |
| Vehicle infomation system-inc: 5.8" color LCD monitor, Infinti Voice Recognition. tire pressure monitor | Standard |
| (1) dash-mounted & (2) rear door ashtrays | Standard |
| Auto-close trunk | Standard |
| First aid kit | Standard |
| 6-disc slot-type in dash CD player | Standard |
| Variable-induction intake manifold | Standard |
| Automatic on/off headlamps w/variable-off timer | Standard |
| Rear console mounted heater/air cond vents | Standard |
| Center console-inc: 2-way opening, dual level storage, rear 12-volt pwr outlet | Standard |
| 2-way center rear seat adjustable head restraint | Standard |
| Cruise control w/steering wheel mounted controls | Standard |
| 4.5L (275) DOHC SMPI 32-valve V8 aluminum-alloy engine | Standard |
| 5-speed automatic transmission w/OD, learning algorithm, manual shift mode | Standard |
| Vehicle-speed-sensitive pwr rack & pinion steering | Standard |
| Driver/front passenger dual stage airbags | Standard |
| 4-wheel anti-lock braking system (ABS) | Standard |
| Driver/front passenger side-impact airbags | Standard |
| Front/rear curtain side-impact airbags | Standard |
| 10-way pwr driver seat w/pwr lumbar support | Standard |
| Traction control system | Standard |
| 8-way pwr passenger seat | Standard |
| Pwr door locks w/selective unlocking logic | Standard |
| Infiniti signature analog clock | Standard |
| Dual front & rear map/reading lamps | Standard |
| City 17/hwy 23 (4.5L engine/5-speed auto trans) | Standard |
| UV-ray reducing glass | Standard |
| Air conditioning w/auto dual zone temp control & micro-filtration | Standard |
| Front seatback pockets | Standard |
| Windows/sunroof retained accessory pwr | Standard |
| Automatic entry/exit system for driver seat & steering wheel | Standard |
| 4-way front/rear outboard seat adjustable head restraints | Standard |
| Full size spare tire w/matching alloy wheel | Standard |
| Traction control system | Standard |
| Pwr windows-inc: one-touch up/down feature & safety reverse | Standard |
| Pwr sliding sunroof-inc: tilt, one-touch open/close feature, safety reverse | Standard |
| Dual front/rear cup holders | Standard |
| Cigarette lighter | Standard |
| Cargo net | Standard |
| Vehicle speed-sensitive variable intermittent windshield wipers | Standard |
| Remote keyless entry | Standard |
| Rear center armrest w/storage compartment | Standard |
| Genuine wood transmission shift knob | Standard |
| Multi-lens high intensity discharge Xenon headlamps w/driver adjustable levelizer | Standard |
| LEV certified (4.5L engine/5-speed auto trans) | Standard |
| Rear seat child safety upper tether anchors | Standard |
| P225/55VR17 all-season performance SBR tires | Standard |
| Continuously variable valve timing w/titanium valves | Standard |
| Pwr body-color, heated mirrors w/integrated turn signals, puddle lights, auto reverse tilt, memory feature & driver side auto-dimming | Standard |
| Sojourner leather seating surfaces | Standard |
| 4-wheel anti-lock braking system (ABS) | Standard |
| Ambient temp display | Standard |
| Independent strut front suspension w/coil springs | Standard |
| Body-color door handles w/chrome accent | Standard |
| Rear window in-glass antenna w/diversity system | Standard |
| Vehicle dynamic control | Standard |
| Leather & genuine wood trim steering wheel w/audio controls | Standard |
| Front double sun visors w/illuminated vanity mirrors | Standard |
| Genuine birds eye maple wood trim | Standard |
| Rear window defogger w/timer | Standard |
| Emergency inside trunk release | Standard |
| 4-wheel vented disc brakes w/brake assist | Standard |
| Electronic ignition key w/vehicle security system & immobilizer | Standard |
| Front safety belt pre-tensioners w/load limiters | Standard |
| Front/rear stabilizer bars | Standard |
| 17" x 7.5" 6-spoke aluminum-alloy wheels | Standard |
| 300-watt Bose AM/FM stereo audio system-inc: glove compartment mounted tape deck, (8) speakers | Standard |
| Heated front seats | Standard |
| LATCH rear seat child safety lower tether anchors | Standard |
| Drivers memory system-inc: memory seat/steering wheel tilt & telescope position | Standard |
Compare trims
Wondering which trim is right for you?
Our 2003 INFINITI Q45 trim comparison will help you decide.