The flagship for Nissan's upmarket Infiniti division, the Q45 is the third entry into the growing Japanese luxury segment. Distinctive styling and a powerful, 270-horsepower V8 engine make this car desirable, as does the extensive standard equipment list and luxurious interior appointments.

Cost to Drive^{Cost to drive estimates for the 1990 INFINITI Q45 4dr Sedan and comparison vehicles are based on 15,000 miles per year (with a mix of 55% city and 45% highway driving) and energy estimates of $3.36 per gallon for regular unleaded in Ohio.}

Monthly estimates based on costs in Ohio

$243/mo

$213/mo

Avg. Large Car

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Consumer reviews

Read what other owners think about the Used 1990 INFINITI Q45.

5 (42%)

4 (44%)

3 (0%)

2 (14%)

1 (0%)

4.1

7 reviews

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Most helpful consumer reviews

1990 Infiniti Q45

Cole, 08/07/2016

1990 INFINITI Q45 4dr Sedan

This car was given to me by my dad as my first car, and I did not like it at first just from appearance and how old it was. After I drove it for a while, a gained a deep respect and appreciation for what this car is. It can compete with any luxury sedan from 1990 and can keep up with others that are even newer. I live in California and take this car on canyon runs, and can keep up with …

Awesome to drive, nightmare to repair

Erickson, 03/09/2004

1990 INFINITI Q45 4dr Sedan

This car is not for those who are used to Japanese reliability. I would compare this more with having an exotic vehicle that no one in America can actually work on. Owned this car for less than a year. I absolutely loved driving it (When it ran properly). It acted up more than any vehicle I had ever owned. Even had a lifetime warranty from AAmco, what a joke, they …

I bought a lemon

Li, 02/02/2003

1990 INFINITI Q45 4dr Sedan

Spend 4k+ and bought a lemon, with lots of problems on transmition,power steering, and electricity. spend another 2k to repair, no use at all, still have electricity problem again and again and again, guess this car is been flooded sometime ago. besides, it really a good car, very comfortable even it's a 90's car, performance is good thanks to v8 and automatic …

great car

macius2000, 10/03/2002

1990 INFINITI Q45 4dr Sedan

i just bought this car yesterday, and the car rides excellent, it looks awesome and it's great

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1990 Q45 Highlights

Engine Type	Gas
Combined MPG	17 MPG
Cost to Drive	$243/month
Cargo Capacity All Seats In Place	14.8 cu.ft.
Drivetrain	rear wheel drive

See all features & specs

Safety

IIHS Rating

The Insurance Institute of Highway Safety uses extensive crash tests to determine car safety.

Small Overlap Front Driver-Side Test
Not Tested
Small Overlap Front Passenger-Side Test
Not Tested
Moderate Overlap Front Test – Original
0
Moderate Overlap Front Test – Updated
Not Tested
Side Impact Test – Original
Not Tested
Side Impact Test – Updated
Not Tested
Roof Strength Test
Not Tested
Rear Crash Protection / Head Restraint
Not Tested

1990 INFINITI Q45 Review

Edmunds' Expert Review

What’s new

Cost to Drive^{Cost to drive estimates for the 1990 INFINITI Q45 4dr Sedan and comparison vehicles are based on 15,000 miles per year (with a mix of 55% city and 45% highway driving) and energy estimates of $3.36 per gallon for regular unleaded in Ohio.}

Consumer reviews

Read what other owners think about the Used 1990 INFINITI Q45.

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Most helpful consumer reviews

1990 Infiniti Q45

Awesome to drive, nightmare to repair

I bought a lemon

great car

1990 Q45 Highlights

Safety

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1990 INFINITI Q45 Review

Edmunds' Expert Review

What’s new

Cost to DriveCost to drive estimates for the 1990 INFINITI Q45 4dr Sedan and comparison vehicles are based on 15,000 miles per year (with a mix of 55% city and 45% highway driving) and energy estimates of $3.36 per gallon for regular unleaded in Ohio.

Most helpful consumer reviews

1990 Infiniti Q45

Awesome to drive, nightmare to repair

I bought a lemon

great car

1990 Q45 Highlights

Safety

Related Used 1990 INFINITI Q45 info

Vehicle reviews of used models

Popular new car reviews and ratings

Research other models of Infiniti

Other models

Join Edmunds

Cost to Drive^{Cost to drive estimates for the 1990 INFINITI Q45 4dr Sedan and comparison vehicles are based on 15,000 miles per year (with a mix of 55% city and 45% highway driving) and energy estimates of $3.36 per gallon for regular unleaded in Ohio.}