Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 110/70-18 | 140/60-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.06 (611.2) | 24.61 (625.2) | 0.55 (14) 2.3% |
| Width inches (mm) | 4.33 (110) | 5.51 (140) | 1.18 (30) 27.3% |
| Circum. inches (mm) | 75.6 (1920.14) | 77.33 (1964.12) | 1.73 (43.98) 2.3% |
| Sidewall Height inches (mm) | 3.03 (77) | 3.31 (84) | 0.28 (7) 9.1% |
| Revolutions per mile (km) | 838.14 (520.79) | 819.37 (509.13) | -18.77 (-11.66) -2.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.46 mph (32.92 km/h) |
| 25 mph (40.23 km/h) | 25.57 mph (41.16 km/h) |
| 30 mph (48.28 km/h) | 30.69 mph (49.39 km/h) |
| 35 mph (56.33 km/h) | 35.8 mph (57.62 km/h) |
| 40 mph (64.37 km/h) | 40.92 mph (65.85 km/h) |
| 45 mph (72.42 km/h) | 46.03 mph (74.08 km/h) |
| 50 mph (80.47 km/h) | 51.15 mph (82.31 km/h) |
| 55 mph (88.51 km/h) | 56.26 mph (90.54 km/h) |
| 60 mph (96.56 km/h) | 61.37 mph (98.77 km/h) |
| 65 mph (104.61 km/h) | 66.49 mph (107 km/h) |
| 70 mph (112.65 km/h) | 71.6 mph (115.23 km/h) |
| 75 mph (120.7 km/h) | 76.72 mph (123.47 km/h) |
| 80 mph (128.75 km/h) | 81.83 mph (131.7 km/h) |
| 85 mph (136.79 km/h) | 86.95 mph (139.93 km/h) |
| 90 mph (144.84 km/h) | 92.06 mph (148.16 km/h) |
| 95 mph (152.89 km/h) | 97.18 mph (156.39 km/h) |
| 100 mph (160.93 km/h) | 102.29 mph (164.62 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2085 | 2422 | 2609 | 2724 | 2848 | 2937 | 3035 | 3150 | 3310 | 3469 | 3647 | 3789 | 4046 | 4330 | 4552 | 4694 | 4774 | 5066 | 5475 | 6362 |
Better Fuel Economy Factory Ratios Increased Power
