Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 355/25-21 | 275/35-21 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.99 (710.9) | 28.58 (725.9) | 0.59 (15) 2.1% |
| Width inches (mm) | 13.98 (355) | 10.83 (275) | -3.15 (-80) -22.5% |
| Circum. inches (mm) | 87.93 (2233.36) | 89.78 (2280.48) | 1.86 (47.12) 2.1% |
| Sidewall Height inches (mm) | 3.49 (88.75) | 3.79 (96.25) | 0.3 (7.5) 8.5% |
| Revolutions per mile (km) | 720.59 (447.76) | 705.7 (438.5) | -14.89 (-9.25) -2.1% |
275/35-21 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.42 mph (32.87 km/h) |
| 25 mph (40.23 km/h) | 25.53 mph (41.08 km/h) |
| 30 mph (48.28 km/h) | 30.63 mph (49.3 km/h) |
| 35 mph (56.33 km/h) | 35.74 mph (57.52 km/h) |
| 40 mph (64.37 km/h) | 40.84 mph (65.73 km/h) |
| 45 mph (72.42 km/h) | 45.95 mph (73.95 km/h) |
| 50 mph (80.47 km/h) | 51.06 mph (82.17 km/h) |
| 55 mph (88.51 km/h) | 56.16 mph (90.38 km/h) |
| 60 mph (96.56 km/h) | 61.27 mph (98.6 km/h) |
| 65 mph (104.61 km/h) | 66.37 mph (106.81 km/h) |
| 70 mph (112.65 km/h) | 71.48 mph (115.03 km/h) |
| 75 mph (120.7 km/h) | 76.58 mph (123.25 km/h) |
| 80 mph (128.75 km/h) | 81.69 mph (131.46 km/h) |
| 85 mph (136.79 km/h) | 86.79 mph (139.68 km/h) |
| 90 mph (144.84 km/h) | 91.9 mph (147.9 km/h) |
| 95 mph (152.89 km/h) | 97 mph (156.11 km/h) |
| 100 mph (160.93 km/h) | 102.11 mph (164.33 km/h) |
| 2.35 | 2.73 | 2.94 | 3.07 | 3.21 | 3.31 | 3.42 | 3.55 | 3.73 | 3.91 | 4.11 | 4.27 | 4.56 | 4.88 | 5.13 | 5.29 | 5.38 | 5.71 | 6.17 | 7.17 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1796 | 2086 | 2247 | 2346 | 2453 | 2530 | 2614 | 2713 | 2850 | 2988 | 3141 | 3263 | 3485 | 3729 | 3920 | 4043 | 4111 | 4364 | 4715 | 5479 |
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