Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/40-16 | 235/40-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.09 (586.4) | 24.4 (619.8) | 1.31 (33.4) 5.7% |
| Width inches (mm) | 8.86 (225) | 9.25 (235) | 0.39 (10) 4.4% |
| Circum. inches (mm) | 72.53 (1842.23) | 76.66 (1947.16) | 4.13 (104.93) 5.7% |
| Sidewall Height inches (mm) | 3.54 (90) | 3.7 (94) | 0.16 (4) 4.4% |
| Revolutions per mile (km) | 873.58 (542.82) | 826.51 (513.57) | -47.08 (-29.25) -5.4% |
235/40-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.14 mph (34.02 km/h) |
| 25 mph (40.23 km/h) | 26.42 mph (42.53 km/h) |
| 30 mph (48.28 km/h) | 31.71 mph (51.03 km/h) |
| 35 mph (56.33 km/h) | 36.99 mph (59.54 km/h) |
| 40 mph (64.37 km/h) | 42.28 mph (68.04 km/h) |
| 45 mph (72.42 km/h) | 47.56 mph (76.55 km/h) |
| 50 mph (80.47 km/h) | 52.85 mph (85.05 km/h) |
| 55 mph (88.51 km/h) | 58.13 mph (93.56 km/h) |
| 60 mph (96.56 km/h) | 63.42 mph (102.06 km/h) |
| 65 mph (104.61 km/h) | 68.7 mph (110.57 km/h) |
| 70 mph (112.65 km/h) | 73.99 mph (119.07 km/h) |
| 75 mph (120.7 km/h) | 79.27 mph (127.58 km/h) |
| 80 mph (128.75 km/h) | 84.56 mph (136.08 km/h) |
| 85 mph (136.79 km/h) | 89.84 mph (144.59 km/h) |
| 90 mph (144.84 km/h) | 95.13 mph (153.09 km/h) |
| 95 mph (152.89 km/h) | 100.41 mph (161.6 km/h) |
| 100 mph (160.93 km/h) | 105.7 mph (170.1 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2103 | 2443 | 2631 | 2748 | 2873 | 2963 | 3061 | 3177 | 3338 | 3500 | 3679 | 3822 | 4081 | 4368 | 4591 | 4735 | 4815 | 5111 | 5522 | 6417 |
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