1990-96 Infiniti Q45

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Premium large car; Built in Japan

4-door sedan

longitudinal front-engine/rear-wheel drive

Good condition price range: $1,200 – $3,300*

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1991 Infiniti Q45

1990 Infiniti Q45

1995 Infiniti Q45

1994 Infiniti Q45 interior

1994 Infiniti Q45 engine

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Pros:	Acceleration Antilock brakes Passenger room Ride Steering/handling
Cons:	Cargo room Fuel economy

[/vc_column_text][vc_column_text disable_pattern=”true” align=”left” margin_bottom=”24″ el_class=”used-value-text”]A worthy alternative to the big BMW or Mercedes, the Q45 lacks the charm of those European sedans but is beautifully built and lavishly appointed. It might not quite match Lexus for refinement, but you’d be wise to try both.[/vc_column_text][vc_column_text disable_pattern=”true” align=”left” margin_bottom=”0″ el_class=”used-overview-text” title=”Overview”]

One of Infiniti’s first models, the posh, rear-wheel-drive Q45 was the flagship of the line. It came only as a 4-door sedan with a dual-cam V8 engine and 4-speed automatic transmission. A driver-side airbag and antilock brakes were standard. “Super HICAS” 4-wheel steering was the sole major option, part of a Touring Package that included a rear stabilizer bar and integrated decklid spoiler. All Q45s had automatic climate control, power driver’s seat, power sunroof, antitheft system, and power windows/mirrors.

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1991 Q45 Two new options joined for 1991: a traction-control system, and the world’s first production “Full-Active Suspension (FAS)” In that latter setup, computer-controlled hydraulic actuators at each wheel generate forces in response to signals from 10 sensors to counteract body lean, nose lift and nose dive, and fore/aft pitch on wavy surfaces.

1992 Q45 Cars with the Full-Active Suspension were now named “Q45A.”

1993 Q45 Monotone interiors replaced the former 2 tones, and steering wheels and other items adopted color-keying.

1994 Q45 The ’94 Q45 arrived in spring 1993, adding a passenger-side airbag. The restyled front end featured a chrome grille and fog lamps. All Q45s now had front seatbelt pretensioners, softer leather seats, and wood inlays. Suspension bushings were softened for an easier ride.

1995 Q45 Except for new alloy wheels, the Infiniti flagship carried on without significant change.

1996 Q45 The high-cost Q45a dropped out, and V8 engines deleted variable valve timing. Q45 would be redesigned for 1997.

[/mk_table][/vc_column_inner][/vc_row][mk_page_section attachment=”scroll” bg_position=”left top” bg_repeat=”repeat” bg_stretch=”false” enable_3d=”false” speed_factor=”4″ bg_video=”no” video_mask=”false” video_opacity=”0.6″ top_shadow=”false” section_layout=”full” sidebar=”General” min_height=”100″ padding_top=”10″ padding_bottom=”10″ margin_bottom=”0″ first_page=”false” last_page=”true” section_id=”Engines”][vc_column width=”1/1″][vc_row_inner][vc_column_inner width=”1/1″][vc_column_text title=”Engines” disable_pattern=”true” align=”left” margin_bottom=”12″ el_class=”used-engine-section-head”][/vc_column_inner][/vc_row_inner][vc_row_inner][vc_column_inner width=”1/2″][vc_column_text disable_pattern=”true” align=”left” margin_bottom=”12″ el_class=”used-powertrains”]longitudinal front-engine/rear-wheel drive
[/vc_column_text][vc_column_text disable_pattern=”true” align=”left” margin_bottom=”24″ el_class=”used-powertrain-text”]Only one powertrain went into the Infiniti Q45: a 4.5-liter V8 engine with four valves per cylinder rated at 278 horsepower, and a 4-speed overdrive automatic transmission.[/vc_column_text][/vc_column_inner][vc_column_inner width=”1/2″][mk_table style=”style2″ el_class=”used-engine-specs”]

dohc V8
Engine Size (liters/cubic inches)		4.5/274
Engine HP		278
Engine Torque (lb-ft)		292
Avail. Trans.	EPA MPG (city/hwy)	MPG avg. as tested
4-speed automatic	17/22	16.6

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Among the first items to be noticed behind a Q45’s wheel is its quiet, silky, responsive powertrain. Not only is refinement high, but you experience lively off-the-line pickup and the crisp-shifting transmission helps it thread easily through traffic. A sporty growl emanates from beneath the hood, but the V8 runs smoothly. Fuel economy is not a “plus.” We averaged only 16.6 mpg, even with a lot of highway miles, and costly premium fuel is required. Traction control is essential for preventing wheel slip on slick surfaces.

Though not quite as smooth-riding as an LS 400 or Jaguar XJ6, the Q45 easily equals the big BMW and Mercedes in that department, yielding a stable, comfortable highway experience. Handling and braking are good, though mild understeer (resistance to turning) is evident and body lean is noticeable. The big (11-inch) brakes work well in routine use.

Though spacious for four, a Q45 isn’t vast when you consider its outside dimensions. Entry/exit is a snap. Rear leg room is ample, but there’s no space for feet under the front seats. Though it’s wide and has a flat floor, the trunk isn’t very long or deep.

[/vc_column_text][/vc_column_inner][vc_column_inner width=”1/2″][mk_content_box icon=”icon-road” heading=”Ratings” el_class=”ratings-box”][vc_column_text disable_pattern=”true” align=”left” margin_bottom=”18″]Model Tested: 1996 Infiniti Q45[/vc_column_text][vc_column_text disable_pattern=”true” align=”left” margin_bottom=”18″ el_class=”review-slideshow-caption”]Ratings values are on a 1-10 scale, with 10 being the best. With the exception of Value, these numbers reflect how the vehicle compares against the universe of vehicles, not just against rivals in its class.[/vc_column_text][vc_column_text disable_pattern=”true” align=”left” margin_bottom=”0″ el_class=”used-performance-ratings” title=”Performance”][mk_skill_meter title=”Acceleration – 7″ percent=”70″ color=”#0bb697″][mk_skill_meter title=”Fuel Economy – 3″ percent=”30″ color=”#0bb697″][mk_skill_meter title=”Ride Quality – 6″ percent=”60″ color=”#0bb697″][mk_skill_meter title=”Steering/Handling – 5″ percent=”50″ color=”#0bb697″][mk_skill_meter title=”Quietness – 5″ percent=”50″ color=”#0bb697″][/vc_column_text][vc_column_text disable_pattern=”true” align=”left” margin_bottom=”0″ title=”Accommodations” el_class=”used-accomodations-ratings”][mk_skill_meter title=”Controls/Materials – 5″ percent=”50″ color=”#0bb697″][mk_skill_meter title=”Room/Comfort Front – 7″ percent=”70″ color=”#0bb697″][mk_skill_meter title=”Room/Comfort Rear – 4″ percent=”40″ color=”#0bb697″][mk_skill_meter title=”Cargo Room – 3″ percent=”30″ color=”#0bb697″][/vc_column_text][vc_column_text disable_pattern=”true” align=”left” margin_bottom=”0″ title=”Other” el_class=”used-other-ratings”][mk_skill_meter title=”Value – 5″ percent=”50″ color=”#0bb697″][/vc_column_text][vc_column_text disable_pattern=”true” align=”left” margin_bottom=”0″ el_class=”used-ratings-total”]

Total: 50

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4-door sedan
Wheelbase (in.)	Length (in.)	Width (in.)	Height (in.)	Weight (lbs)
113.4	199.8	71.9	56.3
Cargo Volume (cu/ft) Payload Capacity (cu/ft) Fuel Capacity (gal.) Seating Capacity 14.8 22.5 5 Headroom Legroom Front Rear Front Rear 38.2 36.3 43.9 32.0

[/mk_table][/vc_column_inner][vc_column_inner width=”1/2″][mk_content_box icon=”moon-signup” heading=”Safety Ratings” el_class=”ratings-box”][vc_column_text disable_pattern=”true” align=”left” margin_bottom=”0″ el_class=”used-safety-model-tested”]Model Tested: 1996 Q45 4-door sedan[/vc_column_text][vc_column_text title=”NHTSA” disable_pattern=”true” align=”left” margin_bottom=”0″ el_class=”used-nhtsa-ratings”]

(5 is the highest rating)

Front Impact Test

[mk_skill_meter title=”Driver Injury – N/A” percent=”N/A0″ color=”#0bb697″][mk_skill_meter title=”Front Passenger Injury – N/A” percent=”N/A0″ color=”#0bb697″]

Side Impact Test

[mk_skill_meter title=”Driver Injury – N/A” percent=”N/A0″ color=”#0bb697″][mk_skill_meter title=”Rear Passenger Injury – N/A” percent=”N/A0″ color=”#0bb697″][/vc_column_text][vc_column_text title=”HLDI” disable_pattern=”true” align=”left” margin_bottom=”0″ el_class=”used-hldi-ratings-head”]

(A score of 100 is average. Lower is better)

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Collision	124
Injury	63
Theft	N/A

[/mk_table][/mk_content_box][/vc_column_inner][/vc_row_inner][/vc_column][/mk_page_section][mk_page_section attachment=”scroll” bg_position=”left top” bg_repeat=”repeat” bg_stretch=”false” enable_3d=”false” speed_factor=”4″ bg_video=”no” video_mask=”false” video_opacity=”0.6″ top_shadow=”false” section_layout=”full” sidebar=”General” min_height=”100″ padding_top=”10″ padding_bottom=”10″ margin_bottom=”0″ first_page=”false” last_page=”true” section_id=”TroubleSpots”][vc_column width=”1/1″][vc_row_inner][vc_column_inner width=”1/2″][mk_table title=”Trouble Spots” style=”style2″ el_class=”used-trouble-spots”]

Automatic transmission Description: A campaign was conducted to improve automatic-transmission life by installing an inline filter and auxiliary oil cooler. (1991)

Brakes Description: To fix brake judder and/or a groaning noise when coming to a stop, new front brake pads were developed. (1990-94)

Engine knock Description: A knocking noise when the engine is cold, is probably coming from the ASCD cable rattling in the bracket near the firewall and is corrected by tie-wrapping the cable to the bracket. (1990-93)

Engine misfire Description: If the idle quality gradually deteriorates, feeling like the idle is set too low, a revised ECM (computer) should solve the problem. (1994-95)

Engine stalling Description: Stalling during coast-down idling is due to a loose connection at the air-flow meter. (1990-96)

Radiator Description: The radiator filler neck was prone to breakage and the radiator was redesigned so that the neck is a one-piece, die-cast design. A new cap is also required. (1990-92)

Vehicle shake Description: Engine vibration felt through the steering wheel, seat, and floor with the brakes on and the transmission in drive, may be corrected by replacing two motor mounts and engine-control computer. If the vibration is worse when the A/C is on, the compressor may also have to be replaced. (1990-91)

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1991-92 w/Bose speakers and integral amplifier Description: Conductive bridge can form on circuit board due to electrolyte leakage in high humidity; can result in overheating and possible smoke, flame, or fire.

[/mk_table][/vc_column_inner][/vc_row_inner][/vc_column][/mk_page_section][mk_page_section attachment=”scroll” bg_position=”left top” bg_repeat=”repeat” bg_stretch=”false” enable_3d=”false” speed_factor=”4″ bg_video=”no” video_mask=”false” video_opacity=”0.6″ top_shadow=”false” section_layout=”full” sidebar=”General” min_height=”100″ padding_top=”10″ padding_bottom=”10″ margin_bottom=”0″ first_page=”false” last_page=”true” section_id=”Equipment” visibility=”hidden-sm”][vc_column width=”1/1″][vc_accordions style=”fancy-style” action_style=”accordion-action” open_toggle=”0″ container_bg_color=”#fff”][vc_accordion_tab title=”Equipment Lists”][vc_column_text disable_pattern=”true” align=”left” margin_bottom=”0″]Click on year to see equipment lists for all models offered for that model year.[/vc_column_text][/vc_accordion_tab][vc_accordion_tab title=”1990″][mk_table style=”style1″ el_class=”used-equipment-table”]Equipment list not available for 1990[/mk_table][/vc_accordion_tab][vc_accordion_tab title=”1991″][mk_table style=”style1″ el_class=”used-equipment-table”]Equipment list not available for 1991[/mk_table][/vc_accordion_tab][vc_accordion_tab title=”1992″][mk_table style=”style1″ el_class=”used-equipment-table”]Equipment list not available for 1992[/mk_table][/vc_accordion_tab][vc_accordion_tab title=”1993″][mk_table style=”style1″ el_class=”used-equipment-table”]Equipment list not available for 1993[/mk_table][/vc_accordion_tab][vc_accordion_tab title=”1994″][mk_table style=”style1″ el_class=”used-equipment-table”]Equipment list not available for 1994[/mk_table][/vc_accordion_tab][vc_accordion_tab title=”1995″][mk_table style=”style1″ el_class=”used-equipment-table”]Equipment list not available for 1995[/mk_table][/vc_accordion_tab][vc_accordion_tab title=”1996″][mk_table style=”style1″ el_class=”used-equipment-table”]Equipment list not available for 1996[/mk_table][/vc_accordion_tab][/vc_accordions][/vc_column][/mk_page_section][mk_page_section attachment=”scroll” bg_position=”left top” bg_repeat=”repeat” bg_stretch=”false” enable_3d=”false” speed_factor=”4″ bg_video=”no” video_mask=”false” video_opacity=”0.6″ top_shadow=”false” section_layout=”full” sidebar=”General” min_height=”100″ padding_top=”10″ padding_bottom=”10″ margin_bottom=”0″ first_page=”false” last_page=”true” section_id=”Equipment” visibility=”visible-sm”][vc_column width=”1/1″][vc_column_text disable_pattern=”true” align=”left” margin_bottom=”0″ title=”Equipment Lists”]Equipment lists are only viewable on larger screen sizes.[/vc_column_text][/vc_column][/mk_page_section][mk_page_section attachment=”scroll” bg_position=”left top” bg_repeat=”repeat” bg_stretch=”false” enable_3d=”false” speed_factor=”4″ bg_video=”no” video_mask=”false” video_opacity=”0.6″ top_shadow=”false” section_layout=”full” sidebar=”General” min_height=”100″ padding_top=”10″ padding_bottom=”10″ margin_bottom=”0″ first_page=”false” last_page=”true” section_id=”Pricing”][vc_column width=”1/1″][vc_column_text disable_pattern=”true” align=”left” margin_bottom=”0″ el_class=”used-pricing-text” title=”Pricing”]Used-car pricing varies widely depending on local market conditions. Therefore, we recommend visiting websites that list used cars for sale to get a better idea of what a specific model is selling for in your area.[/vc_column_text][/vc_column][/mk_page_section]