Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/40-17 | 235/45-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.72 (627.8) | 25.33 (643.3) | 0.61 (15.5) 2.5% |
| Width inches (mm) | 9.65 (245) | 9.25 (235) | -0.39 (-10) -4.1% |
| Circum. inches (mm) | 77.65 (1972.29) | 79.57 (2020.99) | 1.92 (48.69) 2.5% |
| Sidewall Height inches (mm) | 3.86 (98) | 4.16 (105.75) | 0.31 (7.75) 7.9% |
| Revolutions per mile (km) | 815.98 (507.02) | 796.32 (494.81) | -19.66 (-12.22) -2.4% |
235/45-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.49 mph (32.98 km/h) |
| 25 mph (40.23 km/h) | 25.62 mph (41.23 km/h) |
| 30 mph (48.28 km/h) | 30.74 mph (49.47 km/h) |
| 35 mph (56.33 km/h) | 35.86 mph (57.72 km/h) |
| 40 mph (64.37 km/h) | 40.99 mph (65.96 km/h) |
| 45 mph (72.42 km/h) | 46.11 mph (74.21 km/h) |
| 50 mph (80.47 km/h) | 51.23 mph (82.45 km/h) |
| 55 mph (88.51 km/h) | 56.36 mph (90.7 km/h) |
| 60 mph (96.56 km/h) | 61.48 mph (98.94 km/h) |
| 65 mph (104.61 km/h) | 66.6 mph (107.19 km/h) |
| 70 mph (112.65 km/h) | 71.73 mph (115.44 km/h) |
| 75 mph (120.7 km/h) | 76.85 mph (123.68 km/h) |
| 80 mph (128.75 km/h) | 81.98 mph (131.93 km/h) |
| 85 mph (136.79 km/h) | 87.1 mph (140.17 km/h) |
| 90 mph (144.84 km/h) | 92.22 mph (148.42 km/h) |
| 95 mph (152.89 km/h) | 97.35 mph (156.66 km/h) |
| 100 mph (160.93 km/h) | 102.47 mph (164.91 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 2354 | 2535 | 2647 | 2768 | 2854 | 2949 | 3061 | 3216 | 3372 | 3544 | 3682 | 3932 | 4208 | 4424 | 4562 | 4639 | 4924 | 5321 | 6183 |
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