Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 140/70-17 | 140/90-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.72 (627.8) | 26.92 (683.8) | 2.2 (56) 8.9% |
| Width inches (mm) | 5.51 (140) | 5.51 (140) | 0 (0) 0% |
| Circum. inches (mm) | 77.65 (1972.29) | 84.58 (2148.22) | 6.93 (175.93) 8.9% |
| Sidewall Height inches (mm) | 3.86 (98) | 4.96 (126) | 1.1 (28) 28.6% |
| Revolutions per mile (km) | 815.98 (507.02) | 749.15 (465.5) | -66.82 (-41.52) -8.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.78 mph (35.06 km/h) |
| 25 mph (40.23 km/h) | 27.23 mph (43.82 km/h) |
| 30 mph (48.28 km/h) | 32.68 mph (52.59 km/h) |
| 35 mph (56.33 km/h) | 38.12 mph (61.35 km/h) |
| 40 mph (64.37 km/h) | 43.57 mph (70.12 km/h) |
| 45 mph (72.42 km/h) | 49.01 mph (78.88 km/h) |
| 50 mph (80.47 km/h) | 54.46 mph (87.65 km/h) |
| 55 mph (88.51 km/h) | 59.91 mph (96.41 km/h) |
| 60 mph (96.56 km/h) | 65.35 mph (105.17 km/h) |
| 65 mph (104.61 km/h) | 70.8 mph (113.94 km/h) |
| 70 mph (112.65 km/h) | 76.24 mph (122.7 km/h) |
| 75 mph (120.7 km/h) | 81.69 mph (131.47 km/h) |
| 80 mph (128.75 km/h) | 87.14 mph (140.23 km/h) |
| 85 mph (136.79 km/h) | 92.58 mph (149 km/h) |
| 90 mph (144.84 km/h) | 98.03 mph (157.76 km/h) |
| 95 mph (152.89 km/h) | 103.47 mph (166.53 km/h) |
| 100 mph (160.93 km/h) | 108.92 mph (175.29 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1906 | 2215 | 2385 | 2491 | 2604 | 2685 | 2774 | 2880 | 3026 | 3172 | 3334 | 3464 | 3699 | 3959 | 4162 | 4292 | 4365 | 4632 | 5005 | 5817 |
Better Fuel Economy Factory Ratios Increased Power
