Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 265/66-17 | 325/60-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.77 (781.6) | 32.35 (821.8) | 1.58 (40.2) 5.1% |
| Width inches (mm) | 10.43 (265) | 12.8 (325) | 2.36 (60) 22.6% |
| Circum. inches (mm) | 96.67 (2455.47) | 101.64 (2581.76) | 4.97 (126.29) 5.1% |
| Sidewall Height inches (mm) | 6.89 (174.9) | 7.68 (195) | 0.79 (20.1) 11.5% |
| Revolutions per mile (km) | 655.41 (407.25) | 623.35 (387.33) | -32.06 (-19.92) -4.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.03 mph (33.84 km/h) |
| 25 mph (40.23 km/h) | 26.29 mph (42.3 km/h) |
| 30 mph (48.28 km/h) | 31.54 mph (50.76 km/h) |
| 35 mph (56.33 km/h) | 36.8 mph (59.22 km/h) |
| 40 mph (64.37 km/h) | 42.06 mph (67.68 km/h) |
| 45 mph (72.42 km/h) | 47.31 mph (76.15 km/h) |
| 50 mph (80.47 km/h) | 52.57 mph (84.61 km/h) |
| 55 mph (88.51 km/h) | 57.83 mph (93.07 km/h) |
| 60 mph (96.56 km/h) | 63.09 mph (101.53 km/h) |
| 65 mph (104.61 km/h) | 68.34 mph (109.99 km/h) |
| 70 mph (112.65 km/h) | 73.6 mph (118.45 km/h) |
| 75 mph (120.7 km/h) | 78.86 mph (126.91 km/h) |
| 80 mph (128.75 km/h) | 84.11 mph (135.37 km/h) |
| 85 mph (136.79 km/h) | 89.37 mph (143.83 km/h) |
| 90 mph (144.84 km/h) | 94.63 mph (152.29 km/h) |
| 95 mph (152.89 km/h) | 99.89 mph (160.75 km/h) |
| 100 mph (160.93 km/h) | 105.14 mph (169.21 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1586 | 1843 | 1985 | 2072 | 2167 | 2234 | 2309 | 2396 | 2518 | 2639 | 2774 | 2882 | 3078 | 3294 | 3463 | 3571 | 3632 | 3854 | 4165 | 4840 |
Better Fuel Economy Factory Ratios Increased Power
