Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 325/35-28 | 305/65-28 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 36.96 (938.7) | 43.61 (1107.7) | 6.65 (169) 18% |
| Width inches (mm) | 12.8 (325) | 12.01 (305) | -0.79 (-20) -6.2% |
| Circum. inches (mm) | 116.1 (2949.01) | 137.01 (3479.94) | 20.9 (530.93) 18% |
| Sidewall Height inches (mm) | 4.48 (113.75) | 7.81 (198.25) | 3.33 (84.5) 74.3% |
| Revolutions per mile (km) | 545.72 (339.1) | 462.46 (287.36) | -83.26 (-51.74) -15.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.6 mph (37.98 km/h) |
| 25 mph (40.23 km/h) | 29.5 mph (47.48 km/h) |
| 30 mph (48.28 km/h) | 35.4 mph (56.97 km/h) |
| 35 mph (56.33 km/h) | 41.3 mph (66.47 km/h) |
| 40 mph (64.37 km/h) | 47.2 mph (75.96 km/h) |
| 45 mph (72.42 km/h) | 53.1 mph (85.46 km/h) |
| 50 mph (80.47 km/h) | 59 mph (94.95 km/h) |
| 55 mph (88.51 km/h) | 64.9 mph (104.45 km/h) |
| 60 mph (96.56 km/h) | 70.8 mph (113.95 km/h) |
| 65 mph (104.61 km/h) | 76.7 mph (123.44 km/h) |
| 70 mph (112.65 km/h) | 82.6 mph (132.94 km/h) |
| 75 mph (120.7 km/h) | 88.5 mph (142.43 km/h) |
| 80 mph (128.75 km/h) | 94.4 mph (151.93 km/h) |
| 85 mph (136.79 km/h) | 100.3 mph (161.42 km/h) |
| 90 mph (144.84 km/h) | 106.2 mph (170.92 km/h) |
| 95 mph (152.89 km/h) | 112.1 mph (180.41 km/h) |
| 100 mph (160.93 km/h) | 118 mph (189.91 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1177 | 1367 | 1472 | 1537 | 1608 | 1658 | 1713 | 1778 | 1868 | 1958 | 2058 | 2138 | 2284 | 2444 | 2569 | 2649 | 2694 | 2860 | 3090 | 3591 |
Better Fuel Economy Factory Ratios Increased Power
