Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 33/10.5-15 | 235/75-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 33.08 (840.24) | 28.88 (733.5) | -4.2 (-106.74) -12.7% |
| Width inches (mm) | 10.51 (267) | 9.25 (235) | -1.26 (-32) -12% |
| Circum. inches (mm) | 103.92 (2639.69) | 90.72 (2304.36) | -13.2 (-335.33) -12.7% |
| Sidewall Height inches (mm) | 9.04 (229.62) | 6.94 (176.25) | -2.1 (-53.37) -23.2% |
| Revolutions per mile (km) | 609.67 (378.83) | 698.39 (433.96) | 88.72 (55.13) 14.6% |
235/75-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 17.46 mph (28.1 km/h) |
| 25 mph (40.23 km/h) | 21.82 mph (35.12 km/h) |
| 30 mph (48.28 km/h) | 26.19 mph (42.15 km/h) |
| 35 mph (56.33 km/h) | 30.55 mph (49.17 km/h) |
| 40 mph (64.37 km/h) | 34.92 mph (56.2 km/h) |
| 45 mph (72.42 km/h) | 39.28 mph (63.22 km/h) |
| 50 mph (80.47 km/h) | 43.65 mph (70.25 km/h) |
| 55 mph (88.51 km/h) | 48.01 mph (77.27 km/h) |
| 60 mph (96.56 km/h) | 52.38 mph (84.29 km/h) |
| 65 mph (104.61 km/h) | 56.74 mph (91.32 km/h) |
| 70 mph (112.65 km/h) | 61.11 mph (98.34 km/h) |
| 75 mph (120.7 km/h) | 65.47 mph (105.37 km/h) |
| 80 mph (128.75 km/h) | 69.84 mph (112.39 km/h) |
| 85 mph (136.79 km/h) | 74.2 mph (119.42 km/h) |
| 90 mph (144.84 km/h) | 78.57 mph (126.44 km/h) |
| 95 mph (152.89 km/h) | 82.93 mph (133.47 km/h) |
| 100 mph (160.93 km/h) | 87.3 mph (140.49 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1777 | 2065 | 2223 | 2322 | 2428 | 2503 | 2586 | 2685 | 2821 | 2957 | 3108 | 3229 | 3449 | 3691 | 3880 | 4001 | 4069 | 4318 | 4666 | 5423 |
Better Fuel Economy Factory Ratios Increased Power
