Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/85-16 | 265/70-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 33.07 (839.9) | 34.61 (879) | 1.54 (39.1) 4.7% |
| Width inches (mm) | 10.04 (255) | 10.43 (265) | 0.39 (10) 3.9% |
| Circum. inches (mm) | 103.88 (2638.62) | 108.72 (2761.46) | 4.84 (122.84) 4.7% |
| Sidewall Height inches (mm) | 8.53 (216.75) | 7.3 (185.5) | -1.23 (-31.25) -14.4% |
| Revolutions per mile (km) | 609.92 (378.98) | 582.79 (362.13) | -27.13 (-16.86) -4.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.93 mph (33.69 km/h) |
| 25 mph (40.23 km/h) | 26.16 mph (42.11 km/h) |
| 30 mph (48.28 km/h) | 31.4 mph (50.53 km/h) |
| 35 mph (56.33 km/h) | 36.63 mph (58.95 km/h) |
| 40 mph (64.37 km/h) | 41.86 mph (67.37 km/h) |
| 45 mph (72.42 km/h) | 47.09 mph (75.79 km/h) |
| 50 mph (80.47 km/h) | 52.33 mph (84.21 km/h) |
| 55 mph (88.51 km/h) | 57.56 mph (92.63 km/h) |
| 60 mph (96.56 km/h) | 62.79 mph (101.06 km/h) |
| 65 mph (104.61 km/h) | 68.03 mph (109.48 km/h) |
| 70 mph (112.65 km/h) | 73.26 mph (117.9 km/h) |
| 75 mph (120.7 km/h) | 78.49 mph (126.32 km/h) |
| 80 mph (128.75 km/h) | 83.72 mph (134.74 km/h) |
| 85 mph (136.79 km/h) | 88.96 mph (143.16 km/h) |
| 90 mph (144.84 km/h) | 94.19 mph (151.58 km/h) |
| 95 mph (152.89 km/h) | 99.42 mph (160.01 km/h) |
| 100 mph (160.93 km/h) | 104.66 mph (168.43 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1483 | 1723 | 1855 | 1937 | 2026 | 2089 | 2158 | 2240 | 2354 | 2468 | 2594 | 2695 | 2878 | 3080 | 3238 | 3339 | 3395 | 3604 | 3894 | 4525 |
Better Fuel Economy Factory Ratios Increased Power
