Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 205/50-15 | 235/40-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.07 (586) | 24.4 (619.8) | 1.33 (33.8) 5.8% |
| Width inches (mm) | 8.07 (205) | 9.25 (235) | 1.18 (30) 14.6% |
| Circum. inches (mm) | 72.48 (1840.97) | 76.66 (1947.16) | 4.18 (106.19) 5.8% |
| Sidewall Height inches (mm) | 4.04 (102.5) | 3.7 (94) | -0.33 (-8.5) -8.3% |
| Revolutions per mile (km) | 874.18 (543.19) | 826.51 (513.57) | -47.67 (-29.62) -5.5% |
235/40-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.15 mph (34.04 km/h) |
| 25 mph (40.23 km/h) | 26.44 mph (42.55 km/h) |
| 30 mph (48.28 km/h) | 31.73 mph (51.07 km/h) |
| 35 mph (56.33 km/h) | 37.02 mph (59.58 km/h) |
| 40 mph (64.37 km/h) | 42.31 mph (68.09 km/h) |
| 45 mph (72.42 km/h) | 47.6 mph (76.6 km/h) |
| 50 mph (80.47 km/h) | 52.88 mph (85.11 km/h) |
| 55 mph (88.51 km/h) | 58.17 mph (93.62 km/h) |
| 60 mph (96.56 km/h) | 63.46 mph (102.13 km/h) |
| 65 mph (104.61 km/h) | 68.75 mph (110.64 km/h) |
| 70 mph (112.65 km/h) | 74.04 mph (119.15 km/h) |
| 75 mph (120.7 km/h) | 79.33 mph (127.66 km/h) |
| 80 mph (128.75 km/h) | 84.61 mph (136.17 km/h) |
| 85 mph (136.79 km/h) | 89.9 mph (144.68 km/h) |
| 90 mph (144.84 km/h) | 95.19 mph (153.2 km/h) |
| 95 mph (152.89 km/h) | 100.48 mph (161.71 km/h) |
| 100 mph (160.93 km/h) | 105.77 mph (170.22 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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