Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 215/75-16 | 235/85-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.7 (728.9) | 31.73 (805.9) | 3.03 (77) 10.6% |
| Width inches (mm) | 8.46 (215) | 9.25 (235) | 0.79 (20) 9.3% |
| Circum. inches (mm) | 90.15 (2289.91) | 99.68 (2531.81) | 9.52 (241.9) 10.6% |
| Sidewall Height inches (mm) | 6.35 (161.25) | 7.86 (199.75) | 1.52 (38.5) 23.9% |
| Revolutions per mile (km) | 702.8 (436.7) | 635.65 (394.97) | -67.15 (-41.72) -9.6% |
235/85-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.11 mph (35.59 km/h) |
| 25 mph (40.23 km/h) | 27.64 mph (44.48 km/h) |
| 30 mph (48.28 km/h) | 33.17 mph (53.38 km/h) |
| 35 mph (56.33 km/h) | 38.7 mph (62.28 km/h) |
| 40 mph (64.37 km/h) | 44.23 mph (71.17 km/h) |
| 45 mph (72.42 km/h) | 49.75 mph (80.07 km/h) |
| 50 mph (80.47 km/h) | 55.28 mph (88.97 km/h) |
| 55 mph (88.51 km/h) | 60.81 mph (97.86 km/h) |
| 60 mph (96.56 km/h) | 66.34 mph (106.76 km/h) |
| 65 mph (104.61 km/h) | 71.87 mph (115.66 km/h) |
| 70 mph (112.65 km/h) | 77.39 mph (124.55 km/h) |
| 75 mph (120.7 km/h) | 82.92 mph (133.45 km/h) |
| 80 mph (128.75 km/h) | 88.45 mph (142.35 km/h) |
| 85 mph (136.79 km/h) | 93.98 mph (151.25 km/h) |
| 90 mph (144.84 km/h) | 99.51 mph (160.14 km/h) |
| 95 mph (152.89 km/h) | 105.04 mph (169.04 km/h) |
| 100 mph (160.93 km/h) | 110.56 mph (177.94 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1618 | 1879 | 2024 | 2113 | 2210 | 2278 | 2354 | 2444 | 2568 | 2691 | 2829 | 2939 | 3139 | 3359 | 3531 | 3641 | 3703 | 3930 | 4247 | 4935 |
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