Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 145/65-14 | 215/85-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.42 (544.1) | 28.39 (721.1) | 6.97 (177) 32.5% |
| Width inches (mm) | 5.71 (145) | 8.46 (215) | 2.76 (70) 48.3% |
| Circum. inches (mm) | 67.3 (1709.34) | 89.19 (2265.4) | 21.89 (556.06) 32.5% |
| Sidewall Height inches (mm) | 3.71 (94.25) | 7.19 (182.75) | 3.48 (88.5) 93.9% |
| Revolutions per mile (km) | 941.5 (585.02) | 710.4 (441.42) | -231.1 (-143.6) -24.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 26.51 mph (42.66 km/h) |
| 25 mph (40.23 km/h) | 33.13 mph (53.32 km/h) |
| 30 mph (48.28 km/h) | 39.76 mph (63.99 km/h) |
| 35 mph (56.33 km/h) | 46.39 mph (74.65 km/h) |
| 40 mph (64.37 km/h) | 53.01 mph (85.32 km/h) |
| 45 mph (72.42 km/h) | 59.64 mph (95.98 km/h) |
| 50 mph (80.47 km/h) | 66.27 mph (106.64 km/h) |
| 55 mph (88.51 km/h) | 72.89 mph (117.31 km/h) |
| 60 mph (96.56 km/h) | 79.52 mph (127.97 km/h) |
| 65 mph (104.61 km/h) | 86.15 mph (138.64 km/h) |
| 70 mph (112.65 km/h) | 92.77 mph (149.3 km/h) |
| 75 mph (120.7 km/h) | 99.4 mph (159.97 km/h) |
| 80 mph (128.75 km/h) | 106.02 mph (170.63 km/h) |
| 85 mph (136.79 km/h) | 112.65 mph (181.29 km/h) |
| 90 mph (144.84 km/h) | 119.28 mph (191.96 km/h) |
| 95 mph (152.89 km/h) | 125.9 mph (202.62 km/h) |
| 100 mph (160.93 km/h) | 132.53 mph (213.29 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1808 | 2100 | 2262 | 2362 | 2469 | 2546 | 2631 | 2731 | 2869 | 3008 | 3162 | 3285 | 3508 | 3754 | 3946 | 4070 | 4139 | 4393 | 4747 | 5516 |
Better Fuel Economy Factory Ratios Increased Power
