Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 325/45-17 | 26/11.5-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.52 (724.3) | 25.97 (659.56) | -2.55 (-64.74) -8.9% |
| Width inches (mm) | 12.8 (325) | 11.5 (292) | -1.3 (-33) -10.2% |
| Circum. inches (mm) | 89.58 (2275.46) | 81.58 (2072.07) | -8.01 (-203.39) -8.9% |
| Sidewall Height inches (mm) | 5.76 (146.25) | 4.48 (113.88) | -1.27 (-32.37) -22.1% |
| Revolutions per mile (km) | 707.26 (439.47) | 776.68 (482.61) | 69.42 (43.14) 9.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.21 mph (29.31 km/h) |
| 25 mph (40.23 km/h) | 22.77 mph (36.64 km/h) |
| 30 mph (48.28 km/h) | 27.32 mph (43.96 km/h) |
| 35 mph (56.33 km/h) | 31.87 mph (51.29 km/h) |
| 40 mph (64.37 km/h) | 36.42 mph (58.62 km/h) |
| 45 mph (72.42 km/h) | 40.98 mph (65.95 km/h) |
| 50 mph (80.47 km/h) | 45.53 mph (73.27 km/h) |
| 55 mph (88.51 km/h) | 50.08 mph (80.6 km/h) |
| 60 mph (96.56 km/h) | 54.64 mph (87.93 km/h) |
| 65 mph (104.61 km/h) | 59.19 mph (95.26 km/h) |
| 70 mph (112.65 km/h) | 63.74 mph (102.58 km/h) |
| 75 mph (120.7 km/h) | 68.3 mph (109.91 km/h) |
| 80 mph (128.75 km/h) | 72.85 mph (117.24 km/h) |
| 85 mph (136.79 km/h) | 77.4 mph (124.57 km/h) |
| 90 mph (144.84 km/h) | 81.96 mph (131.89 km/h) |
| 95 mph (152.89 km/h) | 86.51 mph (139.22 km/h) |
| 100 mph (160.93 km/h) | 91.06 mph (146.55 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1977 | 2296 | 2473 | 2582 | 2700 | 2784 | 2876 | 2986 | 3137 | 3289 | 3457 | 3591 | 3835 | 4104 | 4315 | 4449 | 4525 | 4803 | 5189 | 6030 |
Better Fuel Economy Factory Ratios Increased Power
