Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/60-17 | 254/60-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.57 (725.8) | 30 (762) | 1.43 (36.2) 5% |
| Width inches (mm) | 9.65 (245) | 10 (254) | 0.35 (9) 3.7% |
| Circum. inches (mm) | 89.77 (2280.17) | 94.25 (2393.89) | 4.48 (113.73) 5% |
| Sidewall Height inches (mm) | 5.79 (147) | 6 (152.4) | 0.21 (5.4) 3.7% |
| Revolutions per mile (km) | 705.8 (438.56) | 672.27 (417.73) | -33.53 (-20.83) -4.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21 mph (33.79 km/h) |
| 25 mph (40.23 km/h) | 26.25 mph (42.24 km/h) |
| 30 mph (48.28 km/h) | 31.5 mph (50.69 km/h) |
| 35 mph (56.33 km/h) | 36.75 mph (59.14 km/h) |
| 40 mph (64.37 km/h) | 42 mph (67.58 km/h) |
| 45 mph (72.42 km/h) | 47.24 mph (76.03 km/h) |
| 50 mph (80.47 km/h) | 52.49 mph (84.48 km/h) |
| 55 mph (88.51 km/h) | 57.74 mph (92.93 km/h) |
| 60 mph (96.56 km/h) | 62.99 mph (101.38 km/h) |
| 65 mph (104.61 km/h) | 68.24 mph (109.82 km/h) |
| 70 mph (112.65 km/h) | 73.49 mph (118.27 km/h) |
| 75 mph (120.7 km/h) | 78.74 mph (126.72 km/h) |
| 80 mph (128.75 km/h) | 83.99 mph (135.17 km/h) |
| 85 mph (136.79 km/h) | 89.24 mph (143.62 km/h) |
| 90 mph (144.84 km/h) | 94.49 mph (152.07 km/h) |
| 95 mph (152.89 km/h) | 99.74 mph (160.51 km/h) |
| 100 mph (160.93 km/h) | 104.99 mph (168.96 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1711 | 1987 | 2140 | 2235 | 2337 | 2410 | 2490 | 2584 | 2715 | 2846 | 2992 | 3109 | 3320 | 3553 | 3735 | 3851 | 3917 | 4157 | 4492 | 5220 |
Better Fuel Economy Factory Ratios Increased Power
