Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/85-16 | 255/85-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 31.06 (788.9) | 33.07 (839.9) | 2.01 (51) 6.5% |
| Width inches (mm) | 8.86 (225) | 10.04 (255) | 1.18 (30) 13.3% |
| Circum. inches (mm) | 97.57 (2478.4) | 103.88 (2638.62) | 6.31 (160.22) 6.5% |
| Sidewall Height inches (mm) | 7.53 (191.25) | 8.53 (216.75) | 1 (25.5) 13.3% |
| Revolutions per mile (km) | 649.35 (403.48) | 609.92 (378.98) | -39.43 (-24.5) -6.1% |
255/85-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.29 mph (34.27 km/h) |
| 25 mph (40.23 km/h) | 26.62 mph (42.83 km/h) |
| 30 mph (48.28 km/h) | 31.94 mph (51.4 km/h) |
| 35 mph (56.33 km/h) | 37.26 mph (59.97 km/h) |
| 40 mph (64.37 km/h) | 42.59 mph (68.54 km/h) |
| 45 mph (72.42 km/h) | 47.91 mph (77.1 km/h) |
| 50 mph (80.47 km/h) | 53.23 mph (85.67 km/h) |
| 55 mph (88.51 km/h) | 58.56 mph (94.24 km/h) |
| 60 mph (96.56 km/h) | 63.88 mph (102.8 km/h) |
| 65 mph (104.61 km/h) | 69.2 mph (111.37 km/h) |
| 70 mph (112.65 km/h) | 74.53 mph (119.94 km/h) |
| 75 mph (120.7 km/h) | 79.85 mph (128.5 km/h) |
| 80 mph (128.75 km/h) | 85.17 mph (137.07 km/h) |
| 85 mph (136.79 km/h) | 90.49 mph (145.64 km/h) |
| 90 mph (144.84 km/h) | 95.82 mph (154.2 km/h) |
| 95 mph (152.89 km/h) | 101.14 mph (162.77 km/h) |
| 100 mph (160.93 km/h) | 106.46 mph (171.34 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1552 | 1803 | 1942 | 2028 | 2120 | 2186 | 2259 | 2345 | 2464 | 2582 | 2715 | 2820 | 3012 | 3223 | 3388 | 3494 | 3553 | 3771 | 4075 | 4736 |
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