Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 235/40-17 | 245/40-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.4 (619.8) | 24.72 (627.8) | 0.31 (8) 1.3% |
| Width inches (mm) | 9.25 (235) | 9.65 (245) | 0.39 (10) 4.3% |
| Circum. inches (mm) | 76.66 (1947.16) | 77.65 (1972.29) | 0.99 (25.13) 1.3% |
| Sidewall Height inches (mm) | 3.7 (94) | 3.86 (98) | 0.16 (4) 4.3% |
| Revolutions per mile (km) | 826.51 (513.57) | 815.98 (507.02) | -10.53 (-6.54) -1.3% |
245/40-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.26 mph (32.6 km/h) |
| 25 mph (40.23 km/h) | 25.32 mph (40.75 km/h) |
| 30 mph (48.28 km/h) | 30.39 mph (48.9 km/h) |
| 35 mph (56.33 km/h) | 35.45 mph (57.05 km/h) |
| 40 mph (64.37 km/h) | 40.52 mph (65.2 km/h) |
| 45 mph (72.42 km/h) | 45.58 mph (73.36 km/h) |
| 50 mph (80.47 km/h) | 50.65 mph (81.51 km/h) |
| 55 mph (88.51 km/h) | 55.71 mph (89.66 km/h) |
| 60 mph (96.56 km/h) | 60.77 mph (97.81 km/h) |
| 65 mph (104.61 km/h) | 65.84 mph (105.96 km/h) |
| 70 mph (112.65 km/h) | 70.9 mph (114.11 km/h) |
| 75 mph (120.7 km/h) | 75.97 mph (122.26 km/h) |
| 80 mph (128.75 km/h) | 81.03 mph (130.41 km/h) |
| 85 mph (136.79 km/h) | 86.1 mph (138.56 km/h) |
| 90 mph (144.84 km/h) | 91.16 mph (146.71 km/h) |
| 95 mph (152.89 km/h) | 96.23 mph (154.86 km/h) |
| 100 mph (160.93 km/h) | 101.29 mph (163.01 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2077 | 2412 | 2598 | 2713 | 2836 | 2925 | 3022 | 3137 | 3296 | 3455 | 3632 | 3773 | 4029 | 4312 | 4533 | 4674 | 4754 | 5045 | 5452 | 6336 |
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