Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/70-15 | 235/60-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.44 (570) | 26.1 (663) | 3.66 (93) 16.3% |
| Width inches (mm) | 5.31 (135) | 9.25 (235) | 3.94 (100) 74.1% |
| Circum. inches (mm) | 70.5 (1790.71) | 82 (2082.88) | 11.5 (292.17) 16.3% |
| Sidewall Height inches (mm) | 3.72 (94.5) | 5.55 (141) | 1.83 (46.5) 49.2% |
| Revolutions per mile (km) | 898.72 (558.44) | 772.65 (480.1) | -126.06 (-78.33) -14% |
235/60-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.26 mph (37.44 km/h) |
| 25 mph (40.23 km/h) | 29.08 mph (46.8 km/h) |
| 30 mph (48.28 km/h) | 34.89 mph (56.16 km/h) |
| 35 mph (56.33 km/h) | 40.71 mph (65.52 km/h) |
| 40 mph (64.37 km/h) | 46.53 mph (74.88 km/h) |
| 45 mph (72.42 km/h) | 52.34 mph (84.24 km/h) |
| 50 mph (80.47 km/h) | 58.16 mph (93.6 km/h) |
| 55 mph (88.51 km/h) | 63.97 mph (102.96 km/h) |
| 60 mph (96.56 km/h) | 69.79 mph (112.32 km/h) |
| 65 mph (104.61 km/h) | 75.61 mph (121.68 km/h) |
| 70 mph (112.65 km/h) | 81.42 mph (131.03 km/h) |
| 75 mph (120.7 km/h) | 87.24 mph (140.39 km/h) |
| 80 mph (128.75 km/h) | 93.05 mph (149.75 km/h) |
| 85 mph (136.79 km/h) | 98.87 mph (159.11 km/h) |
| 90 mph (144.84 km/h) | 104.68 mph (168.47 km/h) |
| 95 mph (152.89 km/h) | 110.5 mph (177.83 km/h) |
| 100 mph (160.93 km/h) | 116.32 mph (187.19 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 |
Better Fuel Economy Factory Ratios Increased Power
