Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 25/7.5-15 | 220/55-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.08 (636.94) | 24.53 (623) | -0.55 (-13.94) -2.2% |
| Width inches (mm) | 7.52 (191) | 8.66 (220) | 1.14 (29) 15.2% |
| Circum. inches (mm) | 78.78 (2001.01) | 77.06 (1957.21) | -1.72 (-43.79) -2.2% |
| Sidewall Height inches (mm) | 5.04 (127.97) | 4.76 (121) | -0.27 (-6.97) -5.4% |
| Revolutions per mile (km) | 804.27 (499.75) | 822.26 (510.93) | 18 (11.18) 2.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.56 mph (31.48 km/h) |
| 25 mph (40.23 km/h) | 24.45 mph (39.35 km/h) |
| 30 mph (48.28 km/h) | 29.34 mph (47.22 km/h) |
| 35 mph (56.33 km/h) | 34.23 mph (55.09 km/h) |
| 40 mph (64.37 km/h) | 39.12 mph (62.97 km/h) |
| 45 mph (72.42 km/h) | 44.02 mph (70.84 km/h) |
| 50 mph (80.47 km/h) | 48.91 mph (78.71 km/h) |
| 55 mph (88.51 km/h) | 53.8 mph (86.58 km/h) |
| 60 mph (96.56 km/h) | 58.69 mph (94.45 km/h) |
| 65 mph (104.61 km/h) | 63.58 mph (102.32 km/h) |
| 70 mph (112.65 km/h) | 68.47 mph (110.19 km/h) |
| 75 mph (120.7 km/h) | 73.36 mph (118.06 km/h) |
| 80 mph (128.75 km/h) | 78.25 mph (125.93 km/h) |
| 85 mph (136.79 km/h) | 83.14 mph (133.8 km/h) |
| 90 mph (144.84 km/h) | 88.03 mph (141.67 km/h) |
| 95 mph (152.89 km/h) | 92.92 mph (149.54 km/h) |
| 100 mph (160.93 km/h) | 97.81 mph (157.41 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2093 | 2431 | 2618 | 2734 | 2858 | 2947 | 3045 | 3161 | 3321 | 3482 | 3660 | 3802 | 4060 | 4345 | 4568 | 4710 | 4790 | 5084 | 5494 | 6384 |
Better Fuel Economy Factory Ratios Increased Power
