Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 235/35-20 | 235/25-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.48 (672.5) | 24.63 (625.5) | -1.85 (-47) -7% |
| Width inches (mm) | 9.25 (235) | 9.25 (235) | 0 (0) 0% |
| Circum. inches (mm) | 83.18 (2112.72) | 77.36 (1965.07) | -5.81 (-147.65) -7% |
| Sidewall Height inches (mm) | 3.24 (82.25) | 2.31 (58.75) | -0.93 (-23.5) -28.6% |
| Revolutions per mile (km) | 761.74 (473.32) | 818.98 (508.89) | 57.24 (35.57) 7.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.6 mph (29.94 km/h) |
| 25 mph (40.23 km/h) | 23.25 mph (37.42 km/h) |
| 30 mph (48.28 km/h) | 27.9 mph (44.91 km/h) |
| 35 mph (56.33 km/h) | 32.55 mph (52.39 km/h) |
| 40 mph (64.37 km/h) | 37.2 mph (59.87 km/h) |
| 45 mph (72.42 km/h) | 41.86 mph (67.36 km/h) |
| 50 mph (80.47 km/h) | 46.51 mph (74.84 km/h) |
| 55 mph (88.51 km/h) | 51.16 mph (82.33 km/h) |
| 60 mph (96.56 km/h) | 55.81 mph (89.81 km/h) |
| 65 mph (104.61 km/h) | 60.46 mph (97.3 km/h) |
| 70 mph (112.65 km/h) | 65.11 mph (104.78 km/h) |
| 75 mph (120.7 km/h) | 69.76 mph (112.27 km/h) |
| 80 mph (128.75 km/h) | 74.41 mph (119.75 km/h) |
| 85 mph (136.79 km/h) | 79.06 mph (127.23 km/h) |
| 90 mph (144.84 km/h) | 83.71 mph (134.72 km/h) |
| 95 mph (152.89 km/h) | 88.36 mph (142.2 km/h) |
| 100 mph (160.93 km/h) | 93.01 mph (149.69 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2084 | 2421 | 2607 | 2723 | 2847 | 2936 | 3033 | 3148 | 3308 | 3468 | 3645 | 3787 | 4044 | 4328 | 4550 | 4692 | 4771 | 5064 | 5472 | 6359 |
Better Fuel Economy Factory Ratios Increased Power
