Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 140/90-15 | 265/90-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.92 (633) | 33.78 (858) | 8.86 (225) 35.5% |
| Width inches (mm) | 5.51 (140) | 10.43 (265) | 4.92 (125) 89.3% |
| Circum. inches (mm) | 78.29 (1988.63) | 106.12 (2695.49) | 27.83 (706.86) 35.5% |
| Sidewall Height inches (mm) | 4.96 (126) | 9.39 (238.5) | 4.43 (112.5) 89.3% |
| Revolutions per mile (km) | 809.27 (502.86) | 597.05 (370.99) | -212.22 (-131.87) -26.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 27.11 mph (43.63 km/h) |
| 25 mph (40.23 km/h) | 33.89 mph (54.53 km/h) |
| 30 mph (48.28 km/h) | 40.66 mph (65.44 km/h) |
| 35 mph (56.33 km/h) | 47.44 mph (76.35 km/h) |
| 40 mph (64.37 km/h) | 54.22 mph (87.26 km/h) |
| 45 mph (72.42 km/h) | 61 mph (98.16 km/h) |
| 50 mph (80.47 km/h) | 67.77 mph (109.07 km/h) |
| 55 mph (88.51 km/h) | 74.55 mph (119.98 km/h) |
| 60 mph (96.56 km/h) | 81.33 mph (130.88 km/h) |
| 65 mph (104.61 km/h) | 88.1 mph (141.79 km/h) |
| 70 mph (112.65 km/h) | 94.88 mph (152.7 km/h) |
| 75 mph (120.7 km/h) | 101.66 mph (163.6 km/h) |
| 80 mph (128.75 km/h) | 108.44 mph (174.51 km/h) |
| 85 mph (136.79 km/h) | 115.21 mph (185.42 km/h) |
| 90 mph (144.84 km/h) | 121.99 mph (196.33 km/h) |
| 95 mph (152.89 km/h) | 128.77 mph (207.23 km/h) |
| 100 mph (160.93 km/h) | 135.55 mph (218.14 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1519 | 1765 | 1901 | 1985 | 2075 | 2140 | 2211 | 2295 | 2412 | 2528 | 2657 | 2761 | 2948 | 3155 | 3317 | 3420 | 3478 | 3692 | 3989 | 4636 |
Better Fuel Economy Factory Ratios Increased Power
