The 1967 Firebird 400 gives you one of the sharpest blends of classic style and real performance in the pony car era. You need to understand both its factory specifications and its current market behavior before you commit modern money to this vintage hardware. With clear specs and verified value ranges, you can decide whether a Firebird 400 belongs in your garage or in your investment portfolio.

How the 1967 Firebird 400 fits into the Firebird lineup

You should see the 1967 Firebird 400 as the top step in a carefully tiered range rather than a standalone muscle car. Pontiac positioned the Firebird as a response to the pony car wave, and the 400 package sat above six cylinder and small V8 trims that targeted broader buyers. The base Firebird used a 165-bhp 230-cid SOHC six, while the Firebird 326 carried a 250-bhp 326-cid V-8, so the 400 badge signaled a clear jump in intent.

You also need to place the 400 within the broader story of Pontiac performance in the late sixties. Earlier this year, enthusiasts highlighted how the 1967 Pontiac Firebird debuted as Pontiac’s bold answer to the pony car craze, with the 400 package bringing the most potent combination of style and power. That context matters for you as a buyer, because collectors still reward the highest performance specification when they compare similar body styles and colors.

Key engine and drivetrain specs you should know

You need to start with the heart of the car, because the 400 engine defines both driving character and long term value. Factory literature for the 1967 Pontiac Firebird 400 lists 400 cubic inches, 10.75:1 compression, and a rating of 325 horsepower, with dual exhaust and heavy duty suspension included in the package. Those numbers give you a clear step up from the Firebird 326 “H.O.” models, which used a 326 CID 285 horsepower version of the Tempest V-8 according to The Firebird fact sheet from May 16, 2024.

You should also understand how Pontiac and General Motors framed that power in period. A detailed look at the 1967 and 1968 Firebird 400 notes that Engines in this family sat under a corporate edict from One of General Motors that restricted maximum output, so real world performance often felt stronger than the brochure suggested. When you compare that context with the broader 1967 Pontiac Firebird Engine Specs, which list Base and Sprint trims with a 326 option in a breakdown dated Aug 5, 2024, you see how the Pontiac Firebird Engine Specs for the 400 sat at the top of the heap.

Chassis, transmission, and driving character

You should not treat the Firebird 400 as only an engine upgrade, because the chassis and drivetrain choices shape your experience. A detailed specification sheet for the 1967 Pontiac Firebird 400 describes a two door coupé body with a front positioned engine and a 3 speed manual gearbox, which gives you a straightforward, mechanical feel that many modern buyers still seek. You can also find cars with 4 speed manuals and automatics, but the three pedal layout usually commands stronger interest among enthusiasts who want a more involved drive.

You should also factor in how the 400 package changed the way the car handled and stopped. The original brochure notes that the 400 specification included heavy duty suspension and dual exhaust, and the fact sheet on CID details confirms that Pontiac tied the 400 CID V-8 325 horsepower engine to supporting hardware like upgraded springs and shocks. When you combine that with the base Firebird’s 230-cid SOHC six and its more modest 165-bhp rating, as outlined in the SOHC description, you see why the 400 feels more composed at speed and why buyers often pay a premium for that balance.

Current market values and condition tiers

You need clear price bands before you start shopping, because asking prices for 1967 Firebird 400s can vary dramatically. A valuation snapshot for the 1967 Pontiac Firebird 400 shows a structured market with condition based ranges, and a related breakdown lists figures of $440,000, $4,400, and $49,500 along with a Past sales entry of $57,200 for a 1969 Pontiac Firebird Bas, which illustrates how outliers and different years can skew your expectations. You should treat those extremes as reference points rather than typical outcomes, and instead focus on the mid range numbers that align with most driver quality cars.

You also gain useful context from a separate valuation guide that divides Firebirds into Perfect Condition, Excellent Condition, Good Condition, and Fair Con tiers. That source lists Perfect Condition at $38,500 to $258,500, Excellent Condition at $28,000 to $38,500, Good Condition at $19,500 to $28,000, and Fair Con at lower levels, giving you a structured ladder for negotiation, and you can explore those bands in more detail through the Perfect Condition breakdown. When you cross check those ranges with a market update from Aug 5, 2024 that states a Good Condition 1967 Pontiac Firebird Is Worth Almost $80,000 and notes that 1967 coupes average $39,445, you see how rare, well documented cars can climb above the general valuation ladders.

Convertible premiums and real world sale ranges

You should expect convertibles and four speed cars to command a noticeable premium over base coupes, especially when they carry the 400 engine. A detailed listing for a 1967 Pontiac Firebird 400 Convertible 4-Speed shows how collectors track specific VINs and option combinations, which tightens the market for well documented examples. That same listing notes that What, Worth, and There are key prompts for buyers who want to understand how many comparable sales exist for a given configuration.

You also gain a clearer picture when you look at the compiled sales data for that exact 400 Convertible 4-Speed. The valuation summary states that There are 30 comps for this 1967 Convertible indicating a price range from $39,995 to $93,151, which gives you a concrete window for strong cars with desirable options. When you compare that spread with the broader valuation tiers and the Good Condition figure that places a 1967 Pontiac Firebird near $80,000, you see how a clean 400 convertible with a 4 Speed gearbox can sit at the upper end of the market without straying into the rarest show car territory.

What modern buyers should prioritize

You need to decide whether you want a showpiece, a weekend driver, or an appreciating asset before you chase a specific Firebird 400. Enthusiast coverage from Aug 3, 2025 describes how the 1967 Pontiac Firebird 400 combined stylish design with potent performance, and that mix still drives demand among collectors who want both curb appeal and real speed. If you care most about originality, you should prioritize matching numbers drivetrains, correct 400 badging, and documentation that ties the car back to its factory specification.

You also should not ignore how the broader Firebird range affects your choices, because some buyers prefer lower powered trims for easier ownership. A detailed valuation tool for the 1967 Let you watch the market for you and track average sale prices over the last three years, which helps you see whether 400 cars outperform 326 or six cylinder examples. Another enthusiast feature from Mar 6, 2024 notes that Here is another great Classic from Glenn Yaremko of Saskatoon, Sk. and his beautiful 1968 Pontiac Firebird, and that story highlights how under the hood, the 1967 400 options still attract collectors and car aficionados alike, which reinforces the long term appeal of the 400 badge for modern buyers.