Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/30-20 | 235/35-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.31 (643) | 26.48 (672.5) | 1.16 (29.5) 4.6% |
| Width inches (mm) | 8.86 (225) | 9.25 (235) | 0.39 (10) 4.4% |
| Circum. inches (mm) | 79.53 (2020.04) | 83.18 (2112.72) | 3.65 (92.68) 4.6% |
| Sidewall Height inches (mm) | 2.66 (67.5) | 3.24 (82.25) | 0.58 (14.75) 21.9% |
| Revolutions per mile (km) | 796.69 (495.04) | 761.74 (473.32) | -34.95 (-21.72) -4.4% |
235/35-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.92 mph (33.66 km/h) |
| 25 mph (40.23 km/h) | 26.15 mph (42.08 km/h) |
| 30 mph (48.28 km/h) | 31.38 mph (50.5 km/h) |
| 35 mph (56.33 km/h) | 36.61 mph (58.91 km/h) |
| 40 mph (64.37 km/h) | 41.84 mph (67.33 km/h) |
| 45 mph (72.42 km/h) | 47.06 mph (75.74 km/h) |
| 50 mph (80.47 km/h) | 52.29 mph (84.16 km/h) |
| 55 mph (88.51 km/h) | 57.52 mph (92.58 km/h) |
| 60 mph (96.56 km/h) | 62.75 mph (100.99 km/h) |
| 65 mph (104.61 km/h) | 67.98 mph (109.41 km/h) |
| 70 mph (112.65 km/h) | 73.21 mph (117.82 km/h) |
| 75 mph (120.7 km/h) | 78.44 mph (126.24 km/h) |
| 80 mph (128.75 km/h) | 83.67 mph (134.65 km/h) |
| 85 mph (136.79 km/h) | 88.9 mph (143.07 km/h) |
| 90 mph (144.84 km/h) | 94.13 mph (151.49 km/h) |
| 95 mph (152.89 km/h) | 99.36 mph (159.9 km/h) |
| 100 mph (160.93 km/h) | 104.59 mph (168.32 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1938 | 2252 | 2425 | 2532 | 2648 | 2730 | 2821 | 2928 | 3077 | 3225 | 3390 | 3522 | 3761 | 4025 | 4232 | 4364 | 4438 | 4710 | 5090 | 5914 |
Better Fuel Economy Factory Ratios Increased Power
