Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 110/70-18 | 140/80-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.06 (611.2) | 25.82 (655.8) | 1.76 (44.6) 7.3% |
| Width inches (mm) | 4.33 (110) | 5.51 (140) | 1.18 (30) 27.3% |
| Circum. inches (mm) | 75.6 (1920.14) | 81.11 (2060.26) | 5.52 (140.12) 7.3% |
| Sidewall Height inches (mm) | 3.03 (77) | 4.41 (112) | 1.38 (35) 45.5% |
| Revolutions per mile (km) | 838.14 (520.79) | 781.14 (485.38) | -57 (-35.42) -6.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.46 mph (34.54 km/h) |
| 25 mph (40.23 km/h) | 26.82 mph (43.17 km/h) |
| 30 mph (48.28 km/h) | 32.19 mph (51.8 km/h) |
| 35 mph (56.33 km/h) | 37.55 mph (60.44 km/h) |
| 40 mph (64.37 km/h) | 42.92 mph (69.07 km/h) |
| 45 mph (72.42 km/h) | 48.28 mph (77.71 km/h) |
| 50 mph (80.47 km/h) | 53.65 mph (86.34 km/h) |
| 55 mph (88.51 km/h) | 59.01 mph (94.97 km/h) |
| 60 mph (96.56 km/h) | 64.38 mph (103.61 km/h) |
| 65 mph (104.61 km/h) | 69.74 mph (112.24 km/h) |
| 70 mph (112.65 km/h) | 75.11 mph (120.87 km/h) |
| 75 mph (120.7 km/h) | 80.47 mph (129.51 km/h) |
| 80 mph (128.75 km/h) | 85.84 mph (138.14 km/h) |
| 85 mph (136.79 km/h) | 91.2 mph (146.78 km/h) |
| 90 mph (144.84 km/h) | 96.57 mph (155.41 km/h) |
| 95 mph (152.89 km/h) | 101.93 mph (164.04 km/h) |
| 100 mph (160.93 km/h) | 107.3 mph (172.68 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1988 | 2309 | 2487 | 2597 | 2715 | 2800 | 2893 | 3003 | 3155 | 3307 | 3477 | 3612 | 3857 | 4128 | 4339 | 4475 | 4551 | 4830 | 5219 | 6065 |
Better Fuel Economy Factory Ratios Increased Power
