Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 195/80-15 | 235/75-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.28 (693) | 28.88 (733.5) | 1.59 (40.5) 5.8% |
| Width inches (mm) | 7.68 (195) | 9.25 (235) | 1.57 (40) 20.5% |
| Circum. inches (mm) | 85.71 (2177.12) | 90.72 (2304.36) | 5.01 (127.23) 5.8% |
| Sidewall Height inches (mm) | 6.14 (156) | 6.94 (176.25) | 0.8 (20.25) 13% |
| Revolutions per mile (km) | 739.21 (459.32) | 698.39 (433.96) | -40.82 (-25.36) -5.5% |
235/75-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.17 mph (34.07 km/h) |
| 25 mph (40.23 km/h) | 26.46 mph (42.58 km/h) |
| 30 mph (48.28 km/h) | 31.75 mph (51.1 km/h) |
| 35 mph (56.33 km/h) | 37.05 mph (59.62 km/h) |
| 40 mph (64.37 km/h) | 42.34 mph (68.14 km/h) |
| 45 mph (72.42 km/h) | 47.63 mph (76.65 km/h) |
| 50 mph (80.47 km/h) | 52.92 mph (85.17 km/h) |
| 55 mph (88.51 km/h) | 58.21 mph (93.69 km/h) |
| 60 mph (96.56 km/h) | 63.51 mph (102.2 km/h) |
| 65 mph (104.61 km/h) | 68.8 mph (110.72 km/h) |
| 70 mph (112.65 km/h) | 74.09 mph (119.24 km/h) |
| 75 mph (120.7 km/h) | 79.38 mph (127.75 km/h) |
| 80 mph (128.75 km/h) | 84.68 mph (136.27 km/h) |
| 85 mph (136.79 km/h) | 89.97 mph (144.79 km/h) |
| 90 mph (144.84 km/h) | 95.26 mph (153.31 km/h) |
| 95 mph (152.89 km/h) | 100.55 mph (161.82 km/h) |
| 100 mph (160.93 km/h) | 105.84 mph (170.34 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1777 | 2065 | 2223 | 2322 | 2428 | 2503 | 2586 | 2685 | 2821 | 2957 | 3108 | 3229 | 3449 | 3691 | 3880 | 4001 | 4069 | 4318 | 4666 | 5423 |
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