2006 Infiniti M III (Y50) Dimensions, Size & Specs

Production
Model Year:2006
Production Years:2005 - 2010 discontinued in 2010
1509 - 1525 mm59.4 - 60.0 in5.0 - 5.0 ft
4892 - 4935 mm192.6 - 194.3 in16.0 - 16.2 ft
1509 - 1525 mm59.4 - 60.0 in5.0 - 5.0 ft
4892 - 4935 mm192.6 - 194.3 in16.0 - 16.2 ft
1509 - 1525 mm59.4 - 60.0 in5.0 - 5.0 ft
1795 - 1806 mm70.7 - 71.1 in5.9 - 5.9 ft
1509 - 1525 mm59.4 - 60.0 in5.0 - 5.0 ft
1795 - 1806 mm70.7 - 71.1 in5.9 - 5.9 ft
1509 - 1525 mm59.4 - 60.0 in5.0 - 5.0 ft
4892 - 4935 mm192.6 - 194.3 in16.0 - 16.2 ft
1509 - 1525 mm59.4 - 60.0 in5.0 - 5.0 ft
1795 - 1806 mm70.7 - 71.1 in5.9 - 5.9 ft
1509 - 1525 mm59.4 - 60.0 in5.0 - 5.0 ft
1795 - 1806 mm70.7 - 71.1 in5.9 - 5.9 ft
Length
4892 - 4935 mm192.6 - 194.3 in16.0 - 16.2 ft
Width
1795 - 1806 mm70.7 - 71.1 in5.9 - 5.9 ft
Height
1509 - 1525 mm59.4 - 60.0 in5.0 - 5.0 ft
Trunk Capacity
388 - 422 liter13.7 - 14.9 cu ft
Technical Details

Exterior Dimensions

Precise measurements of the 2006 Infiniti M III, engineered for optimal performance and comfort

Dimensions
Length:4892 - 4935 mm192.6 - 194.3 in16.0 - 16.2 ft
Width:1795 - 1806 mm70.7 - 71.1 in5.9 - 5.9 ft
Height:1509 - 1525 mm59.4 - 60.0 in5.0 - 5.0 ft
Trunk Capacity (Max):388 - 422 liter13.7 - 14.9 cu ft
Weight Specifications
Curb Weight:1787 - 1875 kg3940 - 4134 lbs
Tire Specifications
Tire Size:245/45 R18 (W:245 | H:45 | D:18)
Useful Information

About 2006 Infiniti M III

The Infiniti M III (Y50) is a midsize luxury sedan produced from 2005 to 2010 and marketed as a model for the years 2006 through 2010. This generation marked a significant step in Infiniti's offering, blending sporty performance with luxury and comfortable interiors. The vehicle measures between 4892 mm and 4935 mm (192.5 to 194.3 inches) in length, accommodating spacious passenger seating and contributing to a refined driving experience. Its width ranges from 1795 mm to 1806 mm (70.7 to 71.1 inches), providing stable handling and a broad stance on the road. The height varies between 1509 mm and 1525 mm (59.4 to 60.0 inches), offering a sleek, aerodynamic profile typical of premium sedans. Curb weight for this model spans from 1787 kg to 1875 kg (3,940 to 4,134 lbs), reflecting the solid build and safety features incorporated into its design. The luggage capacity with the rear seats folded flat ranges from 388 to 422 liters (13.7 to 14.9 cubic feet), making it practical for day-to-day use or longer trips that require extra cargo space. The Infiniti M III rides on 18-inch tires sized 245/45 R18, balancing performance and comfort to enhance driving dynamics. This combination of dimensions, weight, and utility makes the Infiniti M III (Y50) a notable contender within its segment, appealing to those seeking luxury, performance, and space in a midsize sedan.

Exceptional Features

2006 Infiniti M III Highlights

Discover the standout features that make the 2006 Infiniti M III a leader in its class

Engine Options

The 2006 Infiniti M III offers two engine options: a 3.5-liter V6 producing around 280 horsepower and a more powerful 4.5-liter V8 delivering approximately 340 horsepower, catering to both performance and efficiency preferences.

Transmission

Equipped with a 5-speed automatic transmission, the Infiniti M III ensures smooth gear shifts and responsive acceleration, enhancing overall driving comfort and performance.

Luxury Interior

The interior boasts high-quality materials, comfortable leather seating, and advanced features such as dual-zone automatic climate control and a premium sound system, providing a refined driving experience.

Safety Features

The vehicle includes multiple airbags, anti-lock braking system (ABS), electronic brakeforce distribution (EBD), and vehicle dynamic control (VDC) to enhance driver and passenger safety.

Chassis and Suspension

Featuring a rear-wheel-drive platform with independent multi-link suspension, the Infiniti M III delivers balanced handling and a smooth ride, appealing to enthusiasts who value driving dynamics.
Frequently Asked Questions

FAQ

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The Infiniti M III (Y50), produced from 2005 to 2010, has a length that ranges between 4892 mm to 4935 mm (192.5 to 194.3 inches). The slight variation in length depends on specific trim levels and optional equipment. This mid-size luxury sedan's length places it comfortably in the executive car category, providing ample cabin and trunk space while maintaining maneuverability suitable for daily urban as well as long-distance driving.

The Infiniti M III (Y50) sedan comes with a width between 1795 mm and 1806 mm (70.7 to 71.1 inches). This width ensures a stable road presence and contributes to its luxurious and sporty stance. The relatively moderate width balances interior space — giving front and rear passengers comfortable shoulder room — against easy maneuvering in urban environments and parking facilities, making it a practical luxury car in terms of width.

The height of the Infiniti M III (Y50) ranges from 1509 mm to 1525 mm (59.4 to 60 inches). This height provides generous headroom for occupants, enhancing passenger comfort, especially for taller individuals. Its balanced height also contributes to aerodynamic efficiency, supporting stable high-speed driving and reducing wind noise. The combination of interior roominess and aerodynamic form makes the M III both comfortable and performance-oriented.

The curb weight of the Infiniti M III (Y50) ranges between 1787 kg and 1875 kg (3939 to 4133 lbs). This weight reflects the car's premium build quality, including luxury features and safety equipment. While heavier than compact sedans, its powertrain options are tuned to deliver smooth yet potent acceleration and confident handling. The weight distribution and chassis dynamics work together to provide a balanced driving experience, aligning with the expectations of a luxury sport sedan.

The Infiniti M III (Y50) offers rear luggage capacity ranging from 388 liters to 422 liters (approximately 13.7 to 14.9 cubic feet) when the rear seats are folded down. This capacity is quite practical for a luxury sedan, allowing owners to carry larger luggage or bulky items when needed. The flexible cargo space enhances the car’s practicality, making it suitable for weekend trips, business travel, or daily errands.

The Infiniti M III (Y50) is equipped with tires sized 245/45 R18. These are relatively wide tires for an executive sedan, providing a good contact patch with the road which improves grip, cornering stability, and braking performance. The 18-inch diameter strikes a balance between sportiness and ride comfort, ensuring that the vehicle delivers a dynamic driving experience without sacrificing luxury and smoothness.

Yes, the Infiniti M III (Y50) fits comfortably into a standard residential garage. With its length up to 4935 mm (194.3 inches or approximately 16.2 feet), width up to 1806 mm (71.1 inches or roughly 5.9 feet), and height up to 1525 mm (60 inches or 5 feet), it is well within the typical garage dimensions. Most single-car garages offer at least 5.5 to 6 meters (18 to 20 feet) in length and 2.5 to 3 meters (8 to 10 feet) in width, so parking the M III is convenient for everyday home use.

Compared to its predecessor, the Infiniti M II, the M III (Y50) is slightly larger across key dimensions, indicating an evolution in both interior space and road presence. While exact predecessor dimensions vary by year, the M III’s length increased to around 4892-4935 mm (192.5-194.3 in) from the M II’s shorter length generally in the 4800 mm range, width grew slightly to up to 1806 mm (71.1 in), and height stayed relatively similar but was optimized for aerodynamics and cabin comfort. These dimensional updates brought improved passenger comfort and a more commanding stance while refining the sleek executive sedan profile.

The Infiniti M III (Y50) is competitive in size and features when compared to contemporaries such as the BMW 5 Series (E60) and the Mercedes-Benz E-Class (W211). Dimensionally, the M III’s length (4892-4935 mm / 192.5-194.3 in) and width (1795-1806 mm / 70.7-71.1 in) place it squarely in the mid-size luxury sedan segment. The BMW 5 Series and Mercedes E-Class have similar lengths ranging from approximately 4850 mm to 4900+ mm, making them comparable. The Infiniti distinguishes itself with a strong V6 or V8 powertrain, a well-appointed interior featuring luxury materials and cutting-edge infotainment for its time, and a balanced ride combining sportiness with comfort. Though maybe less widely known than its German rivals, it delivers excellent value, blending upscale luxury with distinctive Japanese refinement.

The Infiniti M III (Y50) generation marked a significant step forward in design, technology, and performance for Infiniti’s executive sedan line. Launched in 2005 with model years 2006 to 2010, it featured a sleek, modern exterior styling blending elegant curves with aggressive front grille and headlight designs. Notably, it introduced advanced technology options for its time, including adaptive cruise control, lane departure warning, and a premium Bose audio system. Under the hood, various engine options including powerful V6 and V8 engines delivered impressive performance for the segment. The interior focused on premium materials, comfortable seating, and a driver-centric cockpit. Overall, the M III was praised for combining luxury, technology, and performance in a competitive mid-size luxury sedan package.

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