Infiniti

Infiniti Q45

Full-size luxury car (F)

Infiniti Q45 – Infiniti full-size luxury car exterior photo
Infiniti Q45

Technical Specifications

Manufacturer Nissan
Production August 1989 – 2006
Class Full-size luxury car (F)
Body style 4-door sedan
Layout Front-engine, rear-wheel-drive
Engine 4.5L VH45DE V8
Transmission 4–speed automatic
Wheelbase 1990–91: 2875 mm (113.2 in)
1992–96: 2880 mm (113.4 in)
Length 5090 mm (200.4 in)
Width 1825 mm (71.9 in)
Height 1990–1993: 1430 mm (56.3 in)
1994–1996: 1425 mm (56.1 in)
Weight 1780–1840 kg (3,924–4,057 lb)
Assembly Japan: Kaminokawa, Tochigi
Successor Infiniti Q70L
Generations E430, G25, G35, Q40, Q45, Y33, Q70, G50, F50, H45, V8, A78, Y31, F10, W6, A123, J6, P10, R32, Z32, S13, A1, A105, A74, A38, A34, A3, T180, T183, C215, H41, X4, K45, P6, A32, A6, S430, M8, A44, A25, R18, M35, Y51, M56, X56, Q50, G37, Q80

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Infiniti — Brand Guide, History & Model Overview

About Infiniti

Infiniti is the luxury division of Nissan, launched in 1989, offering expressive design, spirited performance and premium comfort.

On this page you will find the complete Infiniti model range with detailed technical data, dimensions, engine and transmission information, plus genuine owner reviews. Whether you are researching Infiniti specifications, comparing trims, or reading real-world Infiniti reviews before you buy, our catalogue currently lists 19 Infiniti models to explore.

History & Heritage

Infiniti was founded in 1989 by Nissan Motor Company, and is headquartered in Yokohama, Japan. Over the decades the brand has grown from its early roots into a name recognised by drivers around the world, shaped by its engineering choices, design language and the people who build and drive its cars.

Understanding a manufacturer's heritage helps put its current cars in context. Each generation of Infiniti models reflects the priorities of its era, from mechanical layout and powertrain technology to safety systems and interior comfort. The specifications on this site let you trace how Infiniti vehicles have evolved in size, power and equipment over time.

Mission & Vision

Mission: To empower drivers with daring design and rewarding performance.

Vision: To be a challenger luxury brand defined by human-centred innovation.

The brand is often associated with its slogan, “Empower the Drive”, which captures the character it aims to deliver in every model.

These guiding principles influence everything from how Infiniti engineers its platforms to the way it prices and equips its cars, and they are a useful lens when weighing up a Infiniti against rival brands.

Infiniti Model Lineup

The current Infiniti catalogue on AutoSpecs includes the following models. Click any model to see its full specifications, dimensions and reviews:

From compact and city-friendly options to larger family and performance models, the Infiniti range offers a variety of body styles and powertrains. Use our comparison tool to place any two Infiniti models side by side, or compare a Infiniti against a completely different brand.

Design, Technology & Performance

Infiniti models are described on this site with the technical detail buyers care about: engine type and displacement, transmission, drivetrain layout, wheelbase, length, width, height and kerb weight. These figures are essential when you are judging performance potential, interior space, efficiency and everyday practicality.

Comparing Infiniti specifications across models makes it easy to see the trade-offs between a smaller, lighter car and a larger, more powerful one. Dimensions affect how a car parks, corners and carries passengers and luggage, while engine and transmission details hint at how it will feel to drive. Reading the numbers alongside real owner reviews gives a rounded picture before a test drive.

Buying & Ownership Guide

If you are shopping for a Infiniti, it pays to research thoroughly. Look at the Infiniti price for the trim you want, compare it with rivals, and check the specification sheet for the equipment that matters to you. Whether you are considering a new Infiniti or a used Infiniti, matching the model's dimensions and engine to your needs helps avoid buyer's remorse.

Owner reviews are one of the most valuable resources when buying a car. On each Infiniti model page you can read comments from real drivers and add your own experience, covering reliability, running costs, comfort and everyday usability. Together with the detailed spec tables, these reviews help you make a confident, well-informed decision.

Frequently Asked Questions

How many Infiniti models are listed on AutoSpecs?

We currently list 19 Infiniti models with full specifications, dimensions and owner reviews, including Infiniti G Line, Infiniti G Line, Infiniti M.

When was Infiniti founded?

Infiniti was founded in 1989, and is headquartered in Yokohama, Japan.

Where is Infiniti from?

Infiniti is associated with Japan and is based in Yokohama, Japan.

Where can I find Infiniti specifications and dimensions?

Every Infiniti model page on AutoSpecs includes a detailed specification table with engine, transmission, wheelbase, length, width, height and weight, so you can compare Infiniti specs quickly.

Can I compare Infiniti models with other cars?

Yes. Use our comparison tool to place two cars side by side. You can compare two Infiniti models, or compare a Infiniti against any other brand to see the differences in specs.

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