What is the bolt pattern on a Trans Am?
William Burgess
Updated on March 19, 2026
What is the bolt pattern on a Trans Am?
Pontiac – Vehicle Bolt Pattern Reference
| YEAR | MAKE | BOLT PATTERN |
|---|---|---|
| 2002 | Pontiac | 5 lug 4.75 inch or 121mm High Positive Offset |
| 2003 | Pontiac | 5 lug 4.75 inch or 121mm High Positive Offset |
| 2004 | Pontiac | 5 lug 4.75 inch or 121mm High Positive Offset |
| 2005 | Pontiac | 5 lug 4.75 inch or 121mm High Positive Offset |
What does a 5×4 75 bolt pattern fit?
The answer: many classic muscle cars—this bolt pattern isn’t common on most modern vehicles. But you’ll still see it on contemporary Corvettes and old school hot rods. We’re talking classic American muscle, including the Bel Air, Camaro, Chevelle and Impala, as well as the Pontiac Trans Am, GTO and Firebird!
What generation is a 1978 Trans Am?
second generation Pontiac
While 1978 was actually the 8th year of the second generation Pontiac Trans Am, but it was better known as being the second of only two year faces of the Trans Am that was one of the most recognizable body styles of all time.
What cars use 5×110 bolt pattern?
The 5×110 bolt pattern is commonly used by Chevy Cobalt, Malibu, Chrysler 200, Jeep Cherokee, and Pontiac G6. We have plenty of size options for you to choose from in the 5×110 bolt pattern such as 15”, 16”, 18”, 20”, and 22” sizes.
What is 5×120 bolt pattern?
The 5×120 Bolt Pattern or Pitch Circle Diameter (PCD) is made up of the stud count (5) and the bolt circle measurement (120), the notional circle determined by the center position of the studs. The 5×120 bolt pattern is common to Acura, BMW, BMW Alpina, BYD, Bentley, Buick and Cadillac vehicles.
What is 5×120 in standard?
BOLT PATTERN CONVERSION (mm to inches)
| COMMON REFERENCE | MILLIMETERS | INCHES |
|---|---|---|
| Five on One Twenty | 5×120 | 5×4.72 |
| Five on Four and Three Quarter | 5×120.7 | 5×4.75 or 5×4 3/4 |
| Five on Five — or — Five on One Twenty Seven | 5×127 | 5×5 |
| Five on One Thirty | 5×130 | 5×5.12 |
What is Chevy C10 lug pattern?
It’s important to measure your lug patterns yourself as some times the information on the internet isn’t always correct. An example of this is that it is stated all over the internet that all C10 Chevys have a 5 on 5 pattern.
What lug pattern is a Cadillac CTS?
Cadillac – Vehicle Bolt Pattern Reference
| YEAR | MAKE | COMMENTS |
|---|---|---|
| 2014 | Cadillac | 5 lug 4.72 inch or 120mm High Positive Offset |
| 2004 | Cadillac | 6 lug 4.53 inch or 115 mm High Positive Offset |
| 2005 | Cadillac | 6 lug 4.53 inch or 115 mm High Positive Offset |
| 2006 | Cadillac | 6 lug 4.53 inch or 115 mm High Positive Offset |
What will 5×110 wheels fit?
Bolt pattern 5×110 What cars have a 5×110 bolt pattern?
- Alfa Romeo (7) 159 (2005-2011) 8C Competizione (2007-2011) Brera (2005-2010) Giulia (2015-2022) Giulietta (2010-2021) Spider (2005-2010) Stelvio (2017-2021)
- BAIC (10)
- BAIC BJEV (1)
- Cadillac (2)
- Changan (16)
- Changhe (2)
- Chevrolet (8)
- Chrysler (1)
What is 5×110 bolt pattern in inches?
BOLT PATTERN CONVERSION (mm to inches)
| COMMON REFERENCE | MILLIMETERS | INCHES |
|---|---|---|
| Five on One Ten | 5×110 | 5×4.33 |
| Five on One Twelve | 5×112 | 5×4.41 |
| Five on One Fourteen Point Three — or — Five on Four and a Half | 5×114.3 | 5×4.5 or 5×4 1/2 |
| Five on One Fifteen | 5×115 | 5×4.52 |
What is the bolt pattern for 1987 Pontiac Trans Am?
The 1987 Pontiac Trans Am Base Model bolt pattern is 5-120.7 mm. This means there are 5 lugs and the diameter of the circle that the lugs make up measures 120.7 mm or 4.75 inches across.
What bolt pattern is my car?
Purchase a specialized tool referred to as a Bolt Pattern Gauge,available at most auto parts stores or online.
What is the bolt pattern?
A bolt pattern refers to the pattern required to bolt a wheel/rim on your vehicle . The lug holes are the points on the wheel that accept the lug nut or lug bolt to securely fasten the wheel to your vehicle.
What is bolt pattern?
Bolt pattern or bolt circle is the diameter of an imaginary circle formed by the centers of the wheel lugs. Bolt patterns can be 4-, 5-, 6-, or 8-lug holes. A bolt circle of 4×100 would indicate a 4-lug pattern on a circle with a diameter of 100mm.
