Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 36/12.5-16.5 | 325/65-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 36.03 (915.18) | 32.63 (828.9) | -3.4 (-86.28) -9.4% |
| Width inches (mm) | 12.52 (318) | 12.8 (325) | 0.28 (7) 2.2% |
| Circum. inches (mm) | 113.19 (2875.12) | 102.52 (2604.07) | -10.67 (-271.06) -9.4% |
| Sidewall Height inches (mm) | 9.77 (248.04) | 8.32 (211.25) | -1.45 (-36.79) -14.8% |
| Revolutions per mile (km) | 559.75 (347.81) | 618.01 (384.01) | 58.26 (36.2) 10.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.11 mph (29.15 km/h) |
| 25 mph (40.23 km/h) | 22.64 mph (36.44 km/h) |
| 30 mph (48.28 km/h) | 27.17 mph (43.73 km/h) |
| 35 mph (56.33 km/h) | 31.7 mph (51.02 km/h) |
| 40 mph (64.37 km/h) | 36.23 mph (58.3 km/h) |
| 45 mph (72.42 km/h) | 40.76 mph (65.59 km/h) |
| 50 mph (80.47 km/h) | 45.29 mph (72.88 km/h) |
| 55 mph (88.51 km/h) | 49.81 mph (80.17 km/h) |
| 60 mph (96.56 km/h) | 54.34 mph (87.46 km/h) |
| 65 mph (104.61 km/h) | 58.87 mph (94.75 km/h) |
| 70 mph (112.65 km/h) | 63.4 mph (102.03 km/h) |
| 75 mph (120.7 km/h) | 67.93 mph (109.32 km/h) |
| 80 mph (128.75 km/h) | 72.46 mph (116.61 km/h) |
| 85 mph (136.79 km/h) | 76.99 mph (123.9 km/h) |
| 90 mph (144.84 km/h) | 81.52 mph (131.19 km/h) |
| 95 mph (152.89 km/h) | 86.04 mph (138.47 km/h) |
| 100 mph (160.93 km/h) | 90.57 mph (145.76 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1573 | 1827 | 1968 | 2055 | 2148 | 2215 | 2289 | 2376 | 2496 | 2617 | 2751 | 2858 | 3052 | 3266 | 3433 | 3540 | 3601 | 3821 | 4129 | 4798 |
Better Fuel Economy Factory Ratios Increased Power
