Toyota Celica Cabrio (AT20, ST20) Wheel Lug Pattern, Offset ET & Rim Size Reference
The Toyota Celica Cabrio (AT20, ST20) features specific wheel lug patterns and fitment specifications critical for selecting compatible wheels. Its lug pattern is defined by lug count and pitch circle diameter (PCD), essential for matching aftermarket or replacement wheels.\n\nWheel offset (ET) and center bore dimensions are equally important to ensure proper mounting and clearance. The Celica Cabrio models cover various years with slight variations in rim sizes and offset values, detailed in our year-sorted reference table.\n\nUsing the correct lug pattern and offset maintains vehicle safety, driving dynamics, and aesthetics. This guide helps Toyota Celica Cabrio owners and enthusiasts identify accurate wheel dimensions for their car, avoiding fitment issues and potential damage.\n\nConsult our site’s comprehensive catalog for bolt pattern (lug pattern), rim sizes, ET offsets, and center bore measurements on all years of the Toyota Celica Cabrio (AT20, ST20) to ensure optimal wheel compatibility.
| Make / model / trim | Year | Tire | Rim width (in) | Rim diam. (in) | Bolt pattern | Offset ET | Bore DIA | Mounting |
|---|---|---|---|---|---|---|---|---|
| Toyota Celica Cabrio (AT20, ST20) 2.0 i 16V | 1999 | 195/60R15 | 6 | 15 | 5×100 | 39 | 54.1 | M12*1,5 |
| Toyota Celica Cabrio (AT20, ST20) 2.0 i 16V | 1998 | 195/60R15 | 6 | 15 | 5×100 | 39 | 54.1 | M12*1,5 |
| Toyota Celica Cabrio (AT20, ST20) 2.0 i 16V | 1997 | 195/60R15 | 6 | 15 | 5×100 | 39 | 54.1 | M12*1,5 |
| Toyota Celica Cabrio (AT20, ST20) 2.0 i 16V | 1996 | 195/60R15 | 6 | 15 | 5×100 | 39 | 54.1 | M12*1,5 |
| Toyota Celica Cabrio (AT20, ST20) 2.0 i 16V | 1995 | 195/60R15 | 6 | 15 | 5×100 | 39 | 54.1 | M12*1,5 |
| Toyota Celica Cabrio (AT20, ST20) 2.0 i 16V | 1994 | 195/60R15 | 6 | 15 | 5×100 | 39 | 54.1 | M12*1,5 |
| Toyota Celica Cabrio (AT20, ST20) 2.0 i 16V | 1993 | 195/60R15 | 6 | 15 | 5×100 | 39 | 54.1 | M12*1,5 |
FAQ
- What is the lug pattern for Toyota Celica Cabrio (AT20, ST20)?
- The Toyota Celica Cabrio (AT20, ST20) typically uses a 5x100 mm lug pattern, specifying 5 lug nuts arranged on a 100 mm pitch circle diameter.
- Why is offset (ET) important for Toyota Celica Cabrio wheels?
- Offset (ET) affects how the wheel sits relative to the suspension and fenders, ensuring proper clearance and handling; incorrect ET can cause rubbing or poor alignment.
- Can I use wheels with a different center bore on a Toyota Celica Cabrio?
- Wheels with a larger center bore can usually be fitted using hub-centric rings, but smaller bores are not compatible; matching the center bore is essential for safe mounting.
Tire size calculatorShow
Compare two tire sizes — diameter, speedometer error, and clearance change.
| Size 1 | Size 2 | Diff | Diff(%) | |
|---|---|---|---|---|
| Diameter | 25.0" | 25.4" | 0.5" | 1.89% |
| Width | 7.7" | 8.5" | 0.8" | 10.26% |
| Circumference | 78.4" | 79.9" | 1.5" | 1.86% |
| Profile height | 5.0" | 4.2" | -0.7" | -15.08% |
| Turnover per mile | 807 | 793 | 14 | -1.73% |
| Clearance | - | - | +0.2" | - |






Speedometer Error
(First wheel OEM size)
| Reading | 20 mph | 30 mph | 40 mph | 50 mph | 60 mph | 70 mph | 80 mph | 90 mph |
|---|---|---|---|---|---|---|---|---|
| Actual | 20.4 | 30.5 | 40.7 | 50.9 | 61.1 | 71.2 | 81.4 | 91.6 |
