Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 205/65-13 | 235/40-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.49 (596.7) | 24.4 (619.8) | 0.91 (23.1) 3.9% |
| Width inches (mm) | 8.07 (205) | 9.25 (235) | 1.18 (30) 14.6% |
| Circum. inches (mm) | 73.8 (1874.59) | 76.66 (1947.16) | 2.86 (72.57) 3.9% |
| Sidewall Height inches (mm) | 5.25 (133.25) | 3.7 (94) | -1.55 (-39.25) -29.5% |
| Revolutions per mile (km) | 858.51 (533.45) | 826.51 (513.57) | -32 (-19.88) -3.7% |
235/40-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.77 mph (33.43 km/h) |
| 25 mph (40.23 km/h) | 25.97 mph (41.79 km/h) |
| 30 mph (48.28 km/h) | 31.16 mph (50.15 km/h) |
| 35 mph (56.33 km/h) | 36.35 mph (58.51 km/h) |
| 40 mph (64.37 km/h) | 41.55 mph (66.87 km/h) |
| 45 mph (72.42 km/h) | 46.74 mph (75.22 km/h) |
| 50 mph (80.47 km/h) | 51.94 mph (83.58 km/h) |
| 55 mph (88.51 km/h) | 57.13 mph (91.94 km/h) |
| 60 mph (96.56 km/h) | 62.32 mph (100.3 km/h) |
| 65 mph (104.61 km/h) | 67.52 mph (108.66 km/h) |
| 70 mph (112.65 km/h) | 72.71 mph (117.02 km/h) |
| 75 mph (120.7 km/h) | 77.9 mph (125.37 km/h) |
| 80 mph (128.75 km/h) | 83.1 mph (133.73 km/h) |
| 85 mph (136.79 km/h) | 88.29 mph (142.09 km/h) |
| 90 mph (144.84 km/h) | 93.48 mph (150.45 km/h) |
| 95 mph (152.89 km/h) | 98.68 mph (158.81 km/h) |
| 100 mph (160.93 km/h) | 103.87 mph (167.16 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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