The base Firebird equipment included the following:
The styling was nearly identical to the 1967 Firebirds except the vent windows were replaced with a one-piece side door glass.
Technical changes included bias-mounted rear shock absorbers and multi-leaf rear springs.
| VIN Location | Left front door post | ||
|---|---|---|---|
| Position | Character | Description | |
| 1 | 2 | General Motors: Pontiac Division | |
| 2 & 3 | 23 | Body series: Firebird | |
| 4 & 5 | 67 | convertible | |
| 37 | hardtop | ||
| 6 | 8 | 1968 | |
| 7 | V | Assembled in Lordstown, Ohio | |
| 8 to 13 | 100001 and up | production sequence | |
| Model | Synchromesh Transmission | Automatic Transmission | Total |
|---|---|---|---|
| Standard ohc six Firebirds | 7528 | 8441 | 15,969 |
| Standard V-8 Firebirds | 16,632 | 39,250 | 55,882 |
| Deluxe ohc six Firebirds | 1216 | 1309 | 2525 |
| Deluxe V-8 Firebirds | 7534 | 25,202 | 32,736 |
| Totals | 32,910 | 74,202 | 107,112 |
| Model Number | Style Number | Body Type | Seating | Factory Price | Shipping Weight | Production Total |
|---|---|---|---|---|---|---|
| 223 | 22337 | 2-door Hardtop![]() |
5 | $2781 | 3061 | 90,152 |
| 223 | 22367 | 2-door Convertible![]() |
5 | $2996 | 3346 | 16,960 |
| FEATURE | Base 6 | Sprint 6 | Tempest 8 | GTO 8 | HO 8 |
|---|---|---|---|---|---|
| Configuration | Inline | Inline | Vee | Vee | Vee |
| Cylinders | Six | Six | 8 | 8 | 8 |
| Valves | Overhead | Overhead | Overhead | Overhead | Overhead |
| Camshaft | Overhead | Overhead | Pushrod | Pushrod | Pushrod |
| Block | Cast Iron | Cast Iron | Cast Iron | Cast Iron | Cast Iron |
| Displacement | 250 cid | 250 cid | 350 cid | 350 cid | 400 cid |
| Bore & Stroke | 3.875"x3.531" | 3.875"x3.531" | 3.875"x3.75" | 3.875"x3.75" | 4.125"x3.746" |
| Compression Ratio | 10.5:1 | 10.5:1 | 9.2:1 | 10.5:1 | 10.75:1 |
| Brake HP | 175 @ 4800 rpm | 215 @ 4800 rpm | 265 @ 4600 rpm | 320 @ 5100 rpm | 330 @ 4800 rpm |
| Main bearings | 5 | 5 | |||
| Valve Lifters | Hydraulic | Hydraulic | Hydraulic | Hydraulic | Hydraulic |
| Carburetor | Rochester one-barrel | Rochester four-barrel | Rochester model 7028071 two-barrel | Rochesterfour-barrel | Rochester four-barrel |
| Two-speed automatic | $195 |
|---|---|
| Heavy-duty three-speed manual with floor shift | $84 |
| Model | Wheelbase | Overall Length | Front Tread | Rear Tread |
|---|---|---|---|---|
| Firebird | 108" | 188.8" | 60" | 60" |
| MODEL | 0-to-60 MPH | QUARTER MILE |
|---|---|---|
| 335-hp Firebird 400 | 7.6 seconds | 15.4 seconds |

1968 Firebird Convertible

1968 Firebird Convertible

1968 Firebird Convertible

1968 Firebird Convertible

1968 Firebird

1968 Firebird

1968 Firebird

1968 Firebird

1968 Firebird

1968 Firebird

1968 Firebird

1968 Firebird

1968 Firebird

1968 Firebird

1968 Firebird

1968 Firebird

1968 Firebird

1968 Firebird

1968 Firebird

1968 Firebird

1968 Firebird

1968 Firebird Formula

1968 Firebird Formula

1968 Firebird Formula