Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 355/25-21 | 35/16.5-22 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.99 (710.9) | 34.87 (885.62) | 6.88 (174.72) 24.6% |
| Width inches (mm) | 13.98 (355) | 16.5 (419) | 2.52 (64) 18% |
| Circum. inches (mm) | 87.93 (2233.36) | 109.54 (2782.26) | 21.61 (548.9) 24.6% |
| Sidewall Height inches (mm) | 3.49 (88.75) | 6.43 (163.41) | 2.94 (74.66) 84.1% |
| Revolutions per mile (km) | 720.59 (447.76) | 578.43 (359.42) | -142.16 (-88.34) -19.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 24.92 mph (40.1 km/h) |
| 25 mph (40.23 km/h) | 31.14 mph (50.12 km/h) |
| 30 mph (48.28 km/h) | 37.37 mph (60.15 km/h) |
| 35 mph (56.33 km/h) | 43.6 mph (70.17 km/h) |
| 40 mph (64.37 km/h) | 49.83 mph (80.2 km/h) |
| 45 mph (72.42 km/h) | 56.06 mph (90.22 km/h) |
| 50 mph (80.47 km/h) | 62.29 mph (100.24 km/h) |
| 55 mph (88.51 km/h) | 68.52 mph (110.27 km/h) |
| 60 mph (96.56 km/h) | 74.75 mph (120.29 km/h) |
| 65 mph (104.61 km/h) | 80.98 mph (130.32 km/h) |
| 70 mph (112.65 km/h) | 87.2 mph (140.34 km/h) |
| 75 mph (120.7 km/h) | 93.43 mph (150.37 km/h) |
| 80 mph (128.75 km/h) | 99.66 mph (160.39 km/h) |
| 85 mph (136.79 km/h) | 105.89 mph (170.41 km/h) |
| 90 mph (144.84 km/h) | 112.12 mph (180.44 km/h) |
| 95 mph (152.89 km/h) | 118.35 mph (190.46 km/h) |
| 100 mph (160.93 km/h) | 124.58 mph (200.49 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1472 | 1710 | 1842 | 1923 | 2011 | 2073 | 2142 | 2224 | 2336 | 2449 | 2574 | 2675 | 2856 | 3057 | 3213 | 3314 | 3370 | 3577 | 3865 | 4491 |
Better Fuel Economy Factory Ratios Increased Power
