Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 115/85-18 | 295/65-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.7 (652.7) | 33.1 (840.7) | 7.4 (188) 28.8% |
| Width inches (mm) | 4.53 (115) | 11.61 (295) | 7.09 (180) 156.5% |
| Circum. inches (mm) | 80.73 (2050.52) | 103.98 (2641.14) | 23.25 (590.62) 28.8% |
| Sidewall Height inches (mm) | 3.85 (97.75) | 7.55 (191.75) | 3.7 (94) 96.2% |
| Revolutions per mile (km) | 784.85 (487.68) | 609.34 (378.62) | -175.51 (-109.06) -22.4% |
295/65-18 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 25.76 mph (41.46 km/h) |
| 25 mph (40.23 km/h) | 32.2 mph (51.82 km/h) |
| 30 mph (48.28 km/h) | 38.64 mph (62.19 km/h) |
| 35 mph (56.33 km/h) | 45.08 mph (72.55 km/h) |
| 40 mph (64.37 km/h) | 51.52 mph (82.92 km/h) |
| 45 mph (72.42 km/h) | 57.96 mph (93.28 km/h) |
| 50 mph (80.47 km/h) | 64.4 mph (103.64 km/h) |
| 55 mph (88.51 km/h) | 70.84 mph (114.01 km/h) |
| 60 mph (96.56 km/h) | 77.28 mph (124.37 km/h) |
| 65 mph (104.61 km/h) | 83.72 mph (134.74 km/h) |
| 70 mph (112.65 km/h) | 90.16 mph (145.1 km/h) |
| 75 mph (120.7 km/h) | 96.6 mph (155.47 km/h) |
| 80 mph (128.75 km/h) | 103.04 mph (165.83 km/h) |
| 85 mph (136.79 km/h) | 109.48 mph (176.2 km/h) |
| 90 mph (144.84 km/h) | 115.92 mph (186.56 km/h) |
| 95 mph (152.89 km/h) | 122.36 mph (196.92 km/h) |
| 100 mph (160.93 km/h) | 128.8 mph (207.29 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1551 | 1801 | 1940 | 2026 | 2118 | 2184 | 2257 | 2342 | 2461 | 2580 | 2712 | 2818 | 3009 | 3220 | 3385 | 3491 | 3550 | 3768 | 4071 | 4731 |
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