Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/70-15 | 235/60-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.5 (724) | 26.1 (663) | -2.4 (-61) -8.4% |
| Width inches (mm) | 9.65 (245) | 9.25 (235) | -0.39 (-10) -4.1% |
| Circum. inches (mm) | 89.55 (2274.51) | 82 (2082.88) | -7.54 (-191.64) -8.4% |
| Sidewall Height inches (mm) | 6.75 (171.5) | 5.55 (141) | -1.2 (-30.5) -17.8% |
| Revolutions per mile (km) | 707.56 (439.65) | 772.65 (480.1) | 65.1 (40.45) 9.2% |
235/60-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.31 mph (29.48 km/h) |
| 25 mph (40.23 km/h) | 22.89 mph (36.84 km/h) |
| 30 mph (48.28 km/h) | 27.47 mph (44.21 km/h) |
| 35 mph (56.33 km/h) | 32.05 mph (51.58 km/h) |
| 40 mph (64.37 km/h) | 36.63 mph (58.95 km/h) |
| 45 mph (72.42 km/h) | 41.21 mph (66.32 km/h) |
| 50 mph (80.47 km/h) | 45.79 mph (73.69 km/h) |
| 55 mph (88.51 km/h) | 50.37 mph (81.06 km/h) |
| 60 mph (96.56 km/h) | 54.94 mph (88.43 km/h) |
| 65 mph (104.61 km/h) | 59.52 mph (95.79 km/h) |
| 70 mph (112.65 km/h) | 64.1 mph (103.16 km/h) |
| 75 mph (120.7 km/h) | 68.68 mph (110.53 km/h) |
| 80 mph (128.75 km/h) | 73.26 mph (117.9 km/h) |
| 85 mph (136.79 km/h) | 77.84 mph (125.27 km/h) |
| 90 mph (144.84 km/h) | 82.42 mph (132.64 km/h) |
| 95 mph (152.89 km/h) | 87 mph (140.01 km/h) |
| 100 mph (160.93 km/h) | 91.57 mph (147.38 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1966 | 2284 | 2460 | 2569 | 2686 | 2769 | 2862 | 2970 | 3121 | 3272 | 3439 | 3573 | 3815 | 4083 | 4292 | 4426 | 4501 | 4778 | 5162 | 5999 |
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