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2011 Infiniti G25 Sedan Overview, Reviews, Ratings & Specs

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Drew B | October 3, 2025
The 2011 Infiniti G25 Sedan was introduced as a more accessible entry point into Infiniti's luxury sedan lineup, serving as a slightly detuned alternative to the G37. It was available in one primary trim level, often featuring sport-oriented options. The G25 sedan's popularity stemmed from its blend of luxury, sporty handling inherited from its G37 sibling, and a more attainable price point, offering a taste of premium Japanese engineering without the full G37 cost.
The Good

The 2011 Infiniti G25 Sedan offers a compelling mix of engaging handling and a premium interior, appealing to those seeking a stylish and enjoyable driving experience. Its relatively good fuel economy and Infiniti's reputation for reliability provide practical benefits, while the sophisticated design and luxury appointments satisfy emotional desires for a refined car.

The Bad

Owners should be aware of potential issues with the power steering system, particularly leaks or noises, and some report minor electrical gremlins. The infotainment system can also feel dated by modern standards, and the engine performance, while adequate, lacks the punch of its V6 counterparts.

2011 Infiniti G25 Sedan: Quick Overview

  • Engine Options: The 2011 Infiniti G25 Sedan featured a single engine option: a 2.5-liter V6.
  • Horsepower: This V6 engine produced 218 horsepower and 217 lb-ft of torque.
  • Transmission: It was paired with a 7-speed automatic transmission.
  • Drivetrain: Available in both rear-wheel drive (RWD) and all-wheel drive (AWD).
  • Fuel Economy: EPA estimated fuel economy for the RWD model was around 20 mpg city / 29 mpg highway. The AWD model was slightly less efficient, estimated at 19 mpg city / 27 mpg highway.
  • 0-60 Times: Manufacturer or independent tests typically placed the 0-60 mph acceleration in the mid-to-high 7-second range.
  • Towing Capacity: The Infiniti G25 Sedan is not designed for towing, and thus, towing capacity is not applicable.
  • Key Trim-Level Features: The 2011 G25 was primarily offered in a single, well-equipped trim. Standard features generally included:
    • Leather upholstery
    • Heated front seats
    • Power-adjustable front seats
    • Automatic climate control
    • Push-button ignition
    • Infiniti's Intelligent Key system
    • Bluetooth hands-free phone system
    • Six-speaker audio system with CD player and auxiliary input
    • 17-inch alloy wheels
    • Xenon HID headlights
    • Power moonroof

    Optional packages could add features like a premium Bose audio system, navigation, rearview camera, and advanced safety technologies. Some models might have included sport-tuned suspension components or sport seats depending on specific options or package configurations.

2011 Infiniti G25 Sedan Specifications

Vehicle Information
Year 2011
Make Infiniti
Model G25 Sedan
Trim -
Style 4-Door
Type Sedan
Category Mid-Size Car
Manufacturing Details
Made In Japan
Manufacturing City TOCHIGI
Dimensions
Doors 4-Door
Curb Weight 3534 pounds
Gross Vehicle Weight Rating 4674 pounds
Overall Height 57.20 inches
Overall Length 187.90 inches
Overall Width 69.80 inches
Wheelbase Length 112.20 inches
Standard Seating 5
Engine & Performance
Engine 2.5L V6
Engine Size 2.5L
Engine Cylinders 6
Transmission 7-Speed Automatic
Transmission Type Automatic
Transmission Speeds 7-Speed
Drivetrain Rear-Wheel Drive
Additional Features
Anti-Brake System 4-Wheel ABS
Steering Type Rack & Pinion
Pricing
Manufacturer Suggested Retail Price (MSRP) $31,900
Invoice Price $29,484
Delivery Charges $875

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Analysis

What Problems Does the 2011 Infiniti G25 Sedan Have?

While generally considered a reliable vehicle, the 2011 Infiniti G25 Sedan has some commonly reported issues that owners should be aware of. One of the more prevalent concerns revolves around the power steering system. Owners have reported issues such as power steering fluid leaks, particularly from the pump or hoses, leading to a loss of assist and sometimes a whining noise. Early detection and repair are crucial to prevent more significant damage. Another area that has seen occasional complaints is related to electrical components. This can manifest in various ways, including issues with sensors, the immobilizer system, or even minor dashboard warning lights that appear intermittently without a clear cause. These can be frustrating and sometimes costly to diagnose.

The infotainment system, while functional for its time, can feel somewhat dated and may experience occasional glitches or responsiveness issues, though these are more often annoyances than critical failures. The 2.5-liter V6 engine is robust, but like any engine, it can be susceptible to typical wear and tear over time, including potential oil leaks from gaskets or seals if not properly maintained. Some owners have also noted the vibration from the engine, particularly at idle, which can be a characteristic of this particular V6.

As for recalls, it's always recommended to check the NHTSA website for any specific recalls applicable to the VIN. However, general long-term reliability is often tied to consistent maintenance. Neglecting regular oil changes, fluid flushes, and timely replacement of wear items like brakes and suspension components can exacerbate any potential issues. The 7-speed automatic transmission is generally reliable, but fluid changes are essential for longevity. While specific widespread issues tied to the 2011 model year are not overwhelmingly prominent, proactive maintenance and addressing minor concerns promptly are key to ensuring the G25 Sedan's long-term durability.

How long will the 2011 Infiniti G25 Sedan last?

Based on owner data and typical maintenance, the 2011 Infiniti G25 Sedan can reasonably be expected to last between 150,000 to 200,000 miles, with some vehicles potentially exceeding 250,000 miles with diligent care. Long-term durability is significantly influenced by regular maintenance, especially timely oil changes, transmission fluid flushes, and attention to the power steering system, which is a noted weak point. While the powertrain is generally robust, components like the power steering pump and various sensors may require attention as the mileage increases. The chassis and body are well-built, resisting rust effectively in many climates, contributing to its longevity. Weaknesses over time tend to be concentrated in the aforementioned power steering and occasional electrical quirks rather than catastrophic powertrain failures, provided the vehicle is well-maintained.

What Technology & Safety Features are Included?

The 2011 Infiniti G25 Sedan offered a respectable array of technology and safety features for its class, though it's important to note that many advanced features were optional. Standard technology included a push-button ignition with the Intelligent Key system, allowing keyless entry and start, and a Bluetooth hands-free phone system. The audio system typically featured a six-speaker setup with an in-dash CD player and an auxiliary audio input jack.

Optional technology and entertainment upgrades were significant. A popular option was the Infiniti Hard Drive Navigation System, which included a 7-inch color display, a 9.3GB Music Box hard drive for storing music, and a rearview camera. Another desirable upgrade was the premium Bose® audio system, often featuring 11 speakers, which significantly enhanced the listening experience.

In terms of driver-assistance features, the G25 Sedan offered an available intelligent cruise control that could maintain a set distance from the vehicle ahead. Advanced climate control systems, including dual-zone automatic climate control, were also common.

Safety was a priority, with the 2011 G25 Sedan equipped with standard front, side-impact, and roof-mounted curtain airbags. It also came with anti-lock brakes (ABS), traction control, and electronic stability control (ESC). While specific crash-test ratings can vary slightly based on the testing agency and year, the Infiniti G sedan platform, on which the G25 is based, generally performed well in safety assessments. For instance, the 2011 Infiniti G37 Sedan (which shares much of its structure) received IIHS Top Safety Pick status, and typically achieved 4-star or 5-star ratings in NHTSA frontal and side-impact crash tests, indicating a strong safety structure for the G25 as well.

What Colors Options are Available?

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In the meantime, feel free to explore the other sections for more content.

2011 Infiniti G25 Sedan Prices and Market Value

When new, the 2011 Infiniti G25 Sedan typically had a starting MSRP in the range of $27,000 to $30,000, depending on specific options and packages. Today, as a used vehicle, prices can vary widely but generally fall between $7,000 and $12,000, contingent on mileage, condition, trim level, and location. The G25 Sedan has experienced significant depreciation, as is common with most luxury vehicles after their initial model years. Factors affecting its resale value include its overall condition, maintenance history, mileage, and the presence of desirable optional features like the navigation system or premium audio. Models in excellent condition with lower mileage and a documented service history will command higher prices. The relatively modest performance compared to the G37 also plays a role, making it a more budget-conscious option in the used market.

2011 Infiniti G25 Sedan Cost of Ownership

The 2011 Infiniti G25 Sedan is generally considered moderately economical to own, though not as cheap as a non-luxury compact. Insurance premiums can be higher than average due to its luxury classification and replacement parts costs. Fuel costs are reasonable, with its V6 engine delivering decent MPG for its class, averaging around 20-25 MPG combined. Maintenance costs are on par with other Infiniti or Nissan vehicles, with regular servicing being crucial. Repairs, particularly for specialized components or if issues arise with the power steering or electronics, can be more costly than for mass-market brands. Overall, it's a well-balanced ownership experience between luxury and manageable expenses.

2011 Infiniti G25 Sedan Fuel Efficiency

Fuel Type Gasoline
Fuel Capacity 23 gallons
City Mileage 20 miles/gallon
Highway Mileage 29 miles/gallon

2011 Infiniti G25 Sedan Safety Rating

NHTSA
Side Driver Rating
Frontal Passenger Rating
Rollover Rating
Side Rear Passenger Rating
Frontal Driver Rating
IIHS
Roof Strength Test Results Not Tested
Rear Crash Protection/Head Restraint Ratings Not Tested
Moderate Overlap Front Test Results Not Tested
Side Impact Test Results Not Tested

2011 Infiniti G25 Sedan Warranty

Basic
Original warranty 48 months / 60,000 miles
Estimated remaining Expired
Powertrain
Original warranty 72 months / 70,000 miles
Estimated remaining Expired
Rust
Original warranty 84 months / unlimited miles
Estimated remaining Expired

2011 Infiniti G25 Sedan Insurance

Insurance for a 2011 Infiniti G25 Sedan is moderately priced, reflecting its status as a Sedan with strong safety ratings and
reasonable repair costs.

How Does the 2011 Infiniti G25 Sedan Compare to Other Sedan?

The 2011 Infiniti G25 Sedan competed in the premium compact/mid-size sedan segment against strong contenders like the Acura TSX, BMW 3 Series (328i), and Audi A4. In terms of performance, the G25's 218-hp V6 offered adequate power, but it was outgunned by the more powerful engines in the BMW 3 Series and Audi A4, and even often matched or surpassed by the Acura TSX's 2.4-liter four-cylinder. The G25's strength lay in its engaging rear-wheel-drive handling, a hallmark of the G-series, offering a sportier feel than many rivals.

Regarding features, the G25 was well-equipped for its price point when new, offering luxury appointments like leather and heated seats as standard. However, its infotainment and driver-assistance technologies, especially when compared to optional packages on German rivals, could feel less cutting-edge. The Acura TSX often provided a strong feature set for its price, sometimes including more standard tech.

Reliability is a mixed bag. Infiniti generally has a good reputation, and the G25's V6 is robust. However, the G25 saw more frequent reports of power steering issues than some competitors. The Acura TSX is renowned for its exceptional long-term reliability. BMW and Audi, while offering superior driving dynamics for many, can incur higher maintenance and repair costs over time and may be less reliable than Japanese offerings.

In terms of price, the G25 was positioned as a more affordable entry into luxury, often undercutting its German rivals when new, and this continues on the used market.

Alternatives:
  • Acura TSX (2009-2014): Often a superior choice for reliability and value. It offers a refined interior and good fuel economy, though its performance is more modest.
  • Lexus IS 250 (2006-2015): A direct competitor known for its Lexus reliability, comfortable ride, and upscale interior. Performance is similar to the G25, with a focus on refinement over sportiness.
  • BMW 3 Series (E90 generation, e.g., 328i): If performance and driving dynamics are paramount, the 3 Series is hard to beat. However, expect higher maintenance costs and potentially lower reliability.

The G25 is a good choice if you prioritize a sportier driving feel and a premium badge at a lower cost than its larger G37 sibling, but the Acura TSX and Lexus IS 250 often present a more compelling overall package for long-term ownership and reliability.

Final Verdict: Is the 2011 Infiniti G25 Sedan a Good Sedan?

The 2011 Infiniti G25 Sedan is ideal for buyers seeking a stylish, entry-level luxury sedan that offers a more engaging driving experience than many competitors without the premium price tag of its G37 sibling. It's a good fit for younger professionals or those looking for a comfortable daily driver with a touch of sportiness.

It is worth buying, especially on the used market, provided it has been well-maintained and the purchase price reflects its age and mileage. Potential buyers should thoroughly inspect the power steering system and be aware of possible minor electrical issues.

This vehicle is best purchased used. Focusing on well-maintained examples with lower mileage is key. Given there was primarily one trim level, the focus should be on ensuring all optional features desired (like navigation or premium audio) are present and functioning correctly. It represents a solid value proposition for those who appreciate Infiniti's design language and driving dynamics at a more accessible price point.

2011 Infiniti G25 Sedan Owner Reviews

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Drew B

Drew is a seasoned automotive expert and contributor to VinCheck.info. With nearly 15 years of experience as a former Porsche technician, he brings a wealth of hands-on knowledge to his writing. Born in North Carolina, a region renowned for its deep-rooted NASCAR culture, Drew developed a passion for cars early in life, often building and working on vehicles from a young age. At VINCheck, Drew leverages his extensive technical background to provide in-depth analyses of various vehicles. His articles often focus on engine performance, reliability, and maintenance insights, offering readers practical information grounded in real-world experience. Some of his notable contributions include reviews on the Mazda CX-5's longevity and detailed examinations of engine options for models like the 2011 Toyota Camry and Tacoma