2009 Nissan Altima Engine – Complete Guide by TurboAutoParts

The 2009 Nissan Altima is part of the fourth generation (2007–2012), and it was one of Nissan’s best-selling sedans in the U.S. Buyers loved it for its sporty styling, comfortable cabin, and — most importantly — engine options that offered both efficiency and performance.

That year, Nissan gave Altima buyers two main choices: the fuel-efficient 2009 Nissan Altima engine 2.5L QR25DE 4-cylinder or the powerful 3.5L VQ35DE V6. Both engines came with Nissan’s famous CVT (Continuously Variable Transmission), though a 6-speed manual was offered in some trims.

Fast forward to today, many 2009 Altimas are still on the road. But as these cars pass the 150,000-mile mark, engine wear becomes more common — and replacing the motor often makes more sense than trying to rebuild. That’s where TurboAutoParts comes in.

2009 Nissan Altima Engine Options

2.5L QR25DE Inline-4

• Engine Code: QR25DE

• Displacement: 2,488 cc (2.5 liters)

• Configuration: DOHC inline-4

• Block/Head: Aluminum

• Valvetrain: DOHC, 16-valve, CVTC (Continuous Variable Timing Control)

• Horsepower: 175 hp @ 5,600 rpm

• Torque: 180 lb-ft @ 3,900 rpm

• Fuel Economy: 23–32 mpg (depending on transmission and trim)

The QR25DE is the volume-seller engine. Known for fuel efficiency, it’s a popular choice for commuters.

3.5L VQ35DE V6

• Engine Code: VQ35DE

• Displacement: 3,498 cc (3.5 liters)

• Configuration: DOHC V6

• Block/Head: Aluminum

• Valvetrain: DOHC, 24-valve, CVTC

• Horsepower: 270 hp @ 6,000 rpm

• Torque: 258 lb-ft @ 4,400 rpm

• Fuel Economy: 19–26 mpg

The VQ35DE is a fan favorite, also found in Nissan’s Maxima and 350Z. It delivers smooth, strong power and is very durable when maintained.

Transmission Pairings

• CVT (RE0F09A, RE0F09B): Most common, smooth but prone to wear.

• 6-speed manual: Rare, offered with both 2.5 and 3.5 engines in certain trims.

Reliability – The Good and the Bad

The QR25DE and VQ35DE are both solid engines — but each has its quirks.

QR25DE 2.5L Reliability

• Strengths: Fuel-efficient, simple design, widely available parts.

• Weaknesses: Known for excessive oil consumption, timing chain stretch, and catalytic converter failure.

VQ35DE 3.5L Reliability

• Strengths: One of Nissan’s most respected engines — smooth, powerful, long-lasting.

• Weaknesses: Timing chain tensioner noise with high mileage, oil leaks, carbon buildup.

Signs Your Altima Engine Needs Replacement

• Knocking or rattling from timing chain area

• Blue smoke (oil burning) or white smoke (coolant leak)

• Loss of compression across multiple cylinders

• Overheating leading to head gasket failure

• Seized motor from lack of oil

• Poor fuel economy with no clear fix

If you’re already seeing these issues, replacing the engine is usually smarter than rebuilding.

Rebuild vs. Replace – Cost Breakdown

• Rebuild at shop: $4,000–$5,500, long downtime, no guarantees

• New Nissan crate engine: $7,000+ (unrealistic for a 2009 sedan)

• Used replacement (TurboAutoParts): Under $3,000 in most cases, low-mileage, tested, warranty included, shipped nationwide

For most 2009 Altima owners, replacement is the cost-effective solution.

Why Choose TurboAutoParts for a 2009 Nissan Altima Engine?

• Low-mileage QR25DE and VQ35DE engines – carefully sourced

• OEM Nissan fitment – direct replacement, no modification headaches

• Warranty options – peace of mind included

• Nationwide delivery – from Florida to California, Michigan to Texas

• VIN verification – we confirm fitment before shipping

Ordering Your Engine

1. Call TurboAutoParts or order online.

2. Ask for a 2009 Nissan Altima engine (specify 2.5L or 3.5L).

3. Provide VIN to confirm compatibility.

4. Get a transparent quote with mileage, warranty, and shipping details.

5. Place your order — engine ships fast to your shop.

Installation – What the Mechanic Will Do

• Remove old engine and transmission assembly

• Inspect timing chain, sensors, gaskets

• Prep replacement engine with fresh fluids, plugs, and seals

• Install engine, reconnect hoses and electronics

• Reset ECU if required

• Road test before delivery

Maintenance Tips for Long Life

• Change oil every 5,000 miles (synthetic recommended)

• Keep CVT serviced — transmission issues often mimic engine problems

• Flush coolant every 30k miles

• Fix leaks early instead of waiting

• Use high-quality fuel to reduce carbon buildup

Real Customer Story

A customer in Virginia owned a 2009 Altima 2.5S with 164,000 miles. The engine began consuming oil and knocking loudly. His local shop quoted nearly $5,200 for a rebuild. He called TurboAutoParts, ordered a low-mileage QR25DE engine for under $2,500, and had it installed within a week. The car is still running today.

FAQs

Q: What engines are in the 2009 Nissan Altima?
A: The 2.5L QR25DE 4-cylinder and the 3.5L VQ35DE V6.

Q: How long do these engines last?
A: With proper care, 150,000–200,000 miles or more.

Q: Should I rebuild or replace?
A: Replacement is cheaper, faster, and more reliable long-term.

Q: What transmission pairs with these engines?
A: CVT automatic (RE0F09A/RE0F09B) or 6-speed manual (rare).

Q: Does TurboAutoParts ship nationwide?
A: Yes — to all 50 U.S. states.

Conclusion – Keep Your Altima Running Strong

The 2009 Nissan Altima engine — whether the 2.5L QR25DE or the 3.5L VQ35DE — is a reliable powerplant. But as these cars age, timing chain issues, oil consumption, and high mileage catch up. When that happens, rebuilding rarely makes sense.

Instead, order a low-mileage replacement Altima engine from TurboAutoParts. We supply tested, warranty-backed engines, ship nationwide, and confirm fitment with your VIN. Don’t junk your Altima — replace the engine smart and keep driving with confidence.

Visit our Website :- Turbo Auto Parts Now