Pontiac offered four varieties of the Firebird
| VIN Location | On top of dash at left, viewable through windshield | |
|---|---|---|
| Position | Character | Description |
| 1 | 2 | General Motors: Pontiac Division |
| 2 | S | Basic Firebird |
| T | Firebird Esprit | |
| U | Firebird Formula | |
| W | Trans Am | |
| 3 & 4 | 87 | hardtop coupe |
| 5 | _ | Engine code (see listing in engine section) |
| 6 | 6 | Year: 1976 |
| 7 | _ | Assembly plant |
| 8 to 13 | 100001 and up | production sequence |
| Model Number | Style Number | Body Type | Seating | Factory Price | Shipping Weight | Production Total |
|---|---|---|---|---|---|---|
| 2F | S87 | 2-door Hardtop Base Firebird - 6 cyl | 4 | $3908 | 3383 | 21,209 both 6 & V8 |
| 2F | S87 | 2-door Hardtop Base Firebird - V8 | 4 | $4046 | 3563 | |
| 2F | T87 | 2-door Hardtop Esprit - 6 cyl | 4 | $4162 | 3431 | 20,826 |
| 2F | T87 | 2-door Hardtop Esprit - V8 | 4 | $4302 | 3611 | |
| 2F | U87 | 2-door Hardtop Formula | 4 | $4566 | 3625 | 20,613 |
| 2F | W87 | 2-door Hardtop Trans Am | 4 | $4987 | 3640 | 46,701 |
| VIN Code | F | M | S | W |
| Cylinders | Inline Six | 90° V-8 | 90° V-8 | 90° V-8 |
| Valving | Overhead valve | Overhead valve | Overhead valve | Overhead valve |
| Block | Cast-iron | Cast-iron | Cast-iron | Cast-iron |
| Head | Cast-iron | Cast-iron | Cast-iron | Cast-iron |
| Bore & Stroke | 3.87 x 3.53 in. | 3.88 x 3.75 in. | 4.12 x 3.75 in. | 4.15 x 4.21 in. |
| Displacement | 250 cid (4.1 liters) | 350 cid (5.7 liters) | 400 cid (6.6 liters) | 455 cid (7.5 liters) |
| Compression ratio | 8.3 : 1 | 7.6 : 1 | 7.6 : 1 | 7.6 : 1 |
| Brake H.P. | 110 @ 3400 rpm | 160 @ 4000 | 185 @ 3600 rpm | 200 @ 3500 rpm |
| Torque (lb-ft) | 185 @ 1200 rpm | 280 @ 2000 rpm | 310 @ 1600 rpm | 330 @ 2000 rpm |
| Main bearings | Seven | Five | Five | Five |
| Valve lifters | Hydraulic | Hydraulic | Hydraulic | Hydraulic |
| Carburetor | One-barrel Rochester | Two-barrel Rochester | Four-barrel Rochester | Four-barrel Rochester |
| Engine | Transmission | Final Gear Ratio |
| Six-cyl | 3-speed manual floor shift | 2.73:1 |
| Firebird V-8 | Four-speed manual shift | 2.41:1 |
| Trans Am 400 V-8 | Four-speed manual shift | 3.08:1 |
| Trans Am 455 V-8 | Four-speed manual shift | 3.23:1 |
| Feature | Firebird | Esprit | Formula | Trans Am |
| Wheelbase | 108.1 in. | 108.1 in. | 108.1 in. | 108.1 in. |
| Overall length | 196.8 in. | 196.8 in. | 196.8 in. | 196.8 in. |
| Height | 49.1 in. | 49.4 | 49.4 | 49.6 |
| Width | 73.0 | 73.0 | 73.0 | 73.0 |
| Front tread | 60.9 | 60.9 | 61.3 | 61.2 |
| Rear tread | 60.0 | 60.0 | 60.4 | 60.3 |
| Tires | FR78x15 | FR78x15 | FR78x15 | GR70x15 |
| Steering | Recirculating ball | |||
| Front suspension | coil springs with lower trailing links and anti-sway bar | |||
| Rear suspension | semi-elliptic leaaf springs with anti-sway bar | |||
| Brakes | Front disc, rear drums | |||
| Ignition | Electronic | |||
| Body construction | Unit with separate partial frame | |||
| Fuel tank | 20.5 gal | |||

1976 Firebird

1976 Firebird

1976 Firebird Esprit

1976 Firebird Esprit

1976 Firebird Formula

1976 Firebird Formula

1976 Firebird Trans Am

1976 Firebird Trans Am

1976 Firebird Trans Am

1976 Firebird Trans Am

1976 Firebird Trans Am

1976 Firebird Trans Am

1976 Firebird Trans Am

1976 Firebird Trans Am

1976 Firebird Trans Am