Mazda 121 III (JASM, JBSM) Tire Sizes, Rim Width & Diameter Guide
The Mazda 121 III (JASM, JBSM) features a variety of tire sizes and rim dimensions depending on the model year and trim level. Typically, rim widths range from 5.0 to 6.0 inches with diameters between 13 and 14 inches, ensuring proper fitment and performance.\n\nTire size markings follow standard formats such as 165/70R13 or 175/60R14, indicating width, aspect ratio, and rim diameter. These sizes vary slightly across trims, with sportier trims often equipped with wider rims and lower-profile tires for improved handling.\n\nTo compare trims effectively, focus on both tire size and rim width. Wider rims paired with appropriate tire widths enhance grip and stability. Always verify OEM specifications to maintain safety and optimal performance when replacing tires or wheels.
| Make / model / trim | Year | Tire size | Wheel |
|---|---|---|---|
| Mazda 121 III (JASM, JBSM) 1.25 | 2003 | 165/70R13 | 5" × 13" |
| Mazda 121 III (JASM, JBSM) 1.3 | 2003 | 165/70R13 | 5" × 13" |
| Mazda 121 III (JASM, JBSM) 1.8 D | 2003 | 165/70R13 | 5" × 13" |
| Mazda 121 III (JASM, JBSM) 1.25 | 2002 | 165/70R13 | 5" × 13" |
| Mazda 121 III (JASM, JBSM) 1.3 | 2002 | 165/70R13 | 5" × 13" |
| Mazda 121 III (JASM, JBSM) 1.8 D | 2002 | 165/70R13 | 5" × 13" |
| Mazda 121 III (JASM, JBSM) 1.25 | 2001 | 165/70R13 | 5" × 13" |
| Mazda 121 III (JASM, JBSM) 1.3 | 2001 | 165/70R13 | 5" × 13" |
| Mazda 121 III (JASM, JBSM) 1.8 D | 2001 | 165/70R13 | 5" × 13" |
| Mazda 121 III (JASM, JBSM) 1.25 | 2000 | 165/70R13 | 5" × 13" |
| Mazda 121 III (JASM, JBSM) 1.3 | 2000 | 165/70R13 | 5" × 13" |
| Mazda 121 III (JASM, JBSM) 1.8 D | 2000 | 165/70R13 | 5" × 13" |
| Mazda 121 III (JASM, JBSM) 1.25 | 1999 | 165/70R13 | 5" × 13" |
| Mazda 121 III (JASM, JBSM) 1.3 | 1999 | 165/70R13 | 5" × 13" |
| Mazda 121 III (JASM, JBSM) 1.8 D | 1999 | 165/70R13 | 5" × 13" |
| Mazda 121 III (JASM, JBSM) 1.25 | 1998 | 165/70R13 | 5" × 13" |
| Mazda 121 III (JASM, JBSM) 1.3 | 1998 | 165/70R13 | 5" × 13" |
| Mazda 121 III (JASM, JBSM) 1.8 D | 1998 | 165/70R13 | 5" × 13" |
| Mazda 121 III (JASM, JBSM) 1.25 | 1997 | 165/70R13 | 5" × 13" |
| Mazda 121 III (JASM, JBSM) 1.3 | 1997 | 165/70R13 | 5" × 13" |
| Mazda 121 III (JASM, JBSM) 1.8 D | 1997 | 165/70R13 | 5" × 13" |
| Mazda 121 III (JASM, JBSM) 1.25 | 1996 | 165/70R13 | 5" × 13" |
| Mazda 121 III (JASM, JBSM) 1.3 | 1996 | 165/70R13 | 5" × 13" |
| Mazda 121 III (JASM, JBSM) 1.8 D | 1996 | 165/70R13 | 5" × 13" |
For bolt pattern (PCD), offset ET, center bore, and mounting details, open the bolt pattern page for Mazda 121 III (JASM, JBSM).
FAQ
- What are common tire sizes for Mazda 121 III models?
- Common tire sizes include 165/70R13 and 175/60R14, depending on the model year and trim.
- How do rim width and diameter vary by trim?
- Rim widths range from 5.0 to 6.0 inches, with diameters typically between 13 and 14 inches, with sportier trims often having wider rims.
- Can I use tires from one trim on another Mazda 121 III trim?
- It's best to match OEM specifications for rim width and diameter to ensure safe fitment and performance.
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 |