Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 205/90-15 | 235/80-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.53 (750) | 30.8 (782.4) | 1.28 (32.4) 4.3% |
| Width inches (mm) | 8.07 (205) | 9.25 (235) | 1.18 (30) 14.6% |
| Circum. inches (mm) | 92.76 (2356.19) | 96.77 (2457.98) | 4.01 (101.79) 4.3% |
| Sidewall Height inches (mm) | 7.26 (184.5) | 7.4 (188) | 0.14 (3.5) 1.9% |
| Revolutions per mile (km) | 683.03 (424.41) | 654.74 (406.84) | -28.28 (-17.58) -4.1% |
235/80-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.86 mph (33.58 km/h) |
| 25 mph (40.23 km/h) | 26.08 mph (41.97 km/h) |
| 30 mph (48.28 km/h) | 31.3 mph (50.37 km/h) |
| 35 mph (56.33 km/h) | 36.51 mph (58.76 km/h) |
| 40 mph (64.37 km/h) | 41.73 mph (67.15 km/h) |
| 45 mph (72.42 km/h) | 46.94 mph (75.55 km/h) |
| 50 mph (80.47 km/h) | 52.16 mph (83.94 km/h) |
| 55 mph (88.51 km/h) | 57.38 mph (92.34 km/h) |
| 60 mph (96.56 km/h) | 62.59 mph (100.73 km/h) |
| 65 mph (104.61 km/h) | 67.81 mph (109.13 km/h) |
| 70 mph (112.65 km/h) | 73.02 mph (117.52 km/h) |
| 75 mph (120.7 km/h) | 78.24 mph (125.92 km/h) |
| 80 mph (128.75 km/h) | 83.46 mph (134.31 km/h) |
| 85 mph (136.79 km/h) | 88.67 mph (142.7 km/h) |
| 90 mph (144.84 km/h) | 93.89 mph (151.1 km/h) |
| 95 mph (152.89 km/h) | 99.1 mph (159.49 km/h) |
| 100 mph (160.93 km/h) | 104.32 mph (167.89 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1666 | 1936 | 2085 | 2177 | 2276 | 2347 | 2425 | 2517 | 2645 | 2772 | 2914 | 3028 | 3233 | 3460 | 3637 | 3751 | 3815 | 4048 | 4375 | 5084 |
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