Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/55-15 | 235/60-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.74 (628.5) | 26.1 (663) | 1.36 (34.5) 5.5% |
| Width inches (mm) | 8.86 (225) | 9.25 (235) | 0.39 (10) 4.4% |
| Circum. inches (mm) | 77.74 (1974.49) | 82 (2082.88) | 4.27 (108.38) 5.5% |
| Sidewall Height inches (mm) | 4.87 (123.75) | 5.55 (141) | 0.68 (17.25) 13.9% |
| Revolutions per mile (km) | 815.07 (506.46) | 772.65 (480.1) | -42.41 (-26.35) -5.2% |
235/60-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.1 mph (33.95 km/h) |
| 25 mph (40.23 km/h) | 26.37 mph (42.44 km/h) |
| 30 mph (48.28 km/h) | 31.65 mph (50.93 km/h) |
| 35 mph (56.33 km/h) | 36.92 mph (59.42 km/h) |
| 40 mph (64.37 km/h) | 42.2 mph (67.91 km/h) |
| 45 mph (72.42 km/h) | 47.47 mph (76.4 km/h) |
| 50 mph (80.47 km/h) | 52.74 mph (84.88 km/h) |
| 55 mph (88.51 km/h) | 58.02 mph (93.37 km/h) |
| 60 mph (96.56 km/h) | 63.29 mph (101.86 km/h) |
| 65 mph (104.61 km/h) | 68.57 mph (110.35 km/h) |
| 70 mph (112.65 km/h) | 73.84 mph (118.84 km/h) |
| 75 mph (120.7 km/h) | 79.12 mph (127.33 km/h) |
| 80 mph (128.75 km/h) | 84.39 mph (135.82 km/h) |
| 85 mph (136.79 km/h) | 89.67 mph (144.3 km/h) |
| 90 mph (144.84 km/h) | 94.94 mph (152.79 km/h) |
| 95 mph (152.89 km/h) | 100.21 mph (161.28 km/h) |
| 100 mph (160.93 km/h) | 105.49 mph (169.77 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
