Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 140/90-15 | 140/70-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.92 (633) | 24.72 (627.8) | -0.2 (-5.2) -0.8% |
| Width inches (mm) | 5.51 (140) | 5.51 (140) | 0 (0) 0% |
| Circum. inches (mm) | 78.29 (1988.63) | 77.65 (1972.29) | -0.64 (-16.34) -0.8% |
| Sidewall Height inches (mm) | 4.96 (126) | 3.86 (98) | -1.1 (-28) -22.2% |
| Revolutions per mile (km) | 809.27 (502.86) | 815.98 (507.02) | 6.7 (4.17) 0.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.84 mph (31.92 km/h) |
| 25 mph (40.23 km/h) | 24.79 mph (39.9 km/h) |
| 30 mph (48.28 km/h) | 29.75 mph (47.88 km/h) |
| 35 mph (56.33 km/h) | 34.71 mph (55.86 km/h) |
| 40 mph (64.37 km/h) | 39.67 mph (63.85 km/h) |
| 45 mph (72.42 km/h) | 44.63 mph (71.83 km/h) |
| 50 mph (80.47 km/h) | 49.59 mph (79.81 km/h) |
| 55 mph (88.51 km/h) | 54.55 mph (87.79 km/h) |
| 60 mph (96.56 km/h) | 59.51 mph (95.77 km/h) |
| 65 mph (104.61 km/h) | 64.47 mph (103.75 km/h) |
| 70 mph (112.65 km/h) | 69.42 mph (111.73 km/h) |
| 75 mph (120.7 km/h) | 74.38 mph (119.71 km/h) |
| 80 mph (128.75 km/h) | 79.34 mph (127.69 km/h) |
| 85 mph (136.79 km/h) | 84.3 mph (135.67 km/h) |
| 90 mph (144.84 km/h) | 89.26 mph (143.65 km/h) |
| 95 mph (152.89 km/h) | 94.22 mph (151.63 km/h) |
| 100 mph (160.93 km/h) | 99.18 mph (159.61 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2077 | 2412 | 2598 | 2713 | 2836 | 2925 | 3022 | 3137 | 3296 | 3455 | 3632 | 3773 | 4029 | 4312 | 4533 | 4674 | 4754 | 5045 | 5452 | 6336 |
Better Fuel Economy Factory Ratios Increased Power
