Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 145/65-14 | 205/85-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.42 (544.1) | 27.72 (704.1) | 6.3 (160) 29.4% |
| Width inches (mm) | 5.71 (145) | 8.07 (205) | 2.36 (60) 41.4% |
| Circum. inches (mm) | 67.3 (1709.34) | 87.09 (2212) | 19.79 (502.65) 29.4% |
| Sidewall Height inches (mm) | 3.71 (94.25) | 6.86 (174.25) | 3.15 (80) 84.9% |
| Revolutions per mile (km) | 941.5 (585.02) | 727.55 (452.08) | -213.95 (-132.94) -22.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 25.88 mph (41.65 km/h) |
| 25 mph (40.23 km/h) | 32.35 mph (52.06 km/h) |
| 30 mph (48.28 km/h) | 38.82 mph (62.48 km/h) |
| 35 mph (56.33 km/h) | 45.29 mph (72.89 km/h) |
| 40 mph (64.37 km/h) | 51.76 mph (83.3 km/h) |
| 45 mph (72.42 km/h) | 58.23 mph (93.72 km/h) |
| 50 mph (80.47 km/h) | 64.7 mph (104.13 km/h) |
| 55 mph (88.51 km/h) | 71.17 mph (114.54 km/h) |
| 60 mph (96.56 km/h) | 77.64 mph (124.96 km/h) |
| 65 mph (104.61 km/h) | 84.11 mph (135.37 km/h) |
| 70 mph (112.65 km/h) | 90.58 mph (145.78 km/h) |
| 75 mph (120.7 km/h) | 97.05 mph (156.19 km/h) |
| 80 mph (128.75 km/h) | 103.53 mph (166.61 km/h) |
| 85 mph (136.79 km/h) | 110 mph (177.02 km/h) |
| 90 mph (144.84 km/h) | 116.47 mph (187.43 km/h) |
| 95 mph (152.89 km/h) | 122.94 mph (197.85 km/h) |
| 100 mph (160.93 km/h) | 129.41 mph (208.26 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1851 | 2151 | 2316 | 2419 | 2529 | 2608 | 2694 | 2797 | 2939 | 3081 | 3238 | 3364 | 3593 | 3845 | 4042 | 4168 | 4239 | 4499 | 4861 | 5649 |
Better Fuel Economy Factory Ratios Increased Power
