Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 25/7.5-15 | 155/65-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.08 (636.94) | 22.93 (582.5) | -2.14 (-54.44) -8.5% |
| Width inches (mm) | 7.52 (191) | 6.1 (155) | -1.42 (-36) -18.8% |
| Circum. inches (mm) | 78.78 (2001.01) | 72.05 (1829.98) | -6.73 (-171.03) -8.5% |
| Sidewall Height inches (mm) | 5.04 (127.97) | 3.97 (100.75) | -1.07 (-27.22) -21.3% |
| Revolutions per mile (km) | 804.27 (499.75) | 879.43 (546.45) | 75.17 (46.71) 9.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.29 mph (29.44 km/h) |
| 25 mph (40.23 km/h) | 22.86 mph (36.79 km/h) |
| 30 mph (48.28 km/h) | 27.44 mph (44.15 km/h) |
| 35 mph (56.33 km/h) | 32.01 mph (51.51 km/h) |
| 40 mph (64.37 km/h) | 36.58 mph (58.87 km/h) |
| 45 mph (72.42 km/h) | 41.15 mph (66.23 km/h) |
| 50 mph (80.47 km/h) | 45.73 mph (73.59 km/h) |
| 55 mph (88.51 km/h) | 50.3 mph (80.95 km/h) |
| 60 mph (96.56 km/h) | 54.87 mph (88.31 km/h) |
| 65 mph (104.61 km/h) | 59.44 mph (95.67 km/h) |
| 70 mph (112.65 km/h) | 64.02 mph (103.03 km/h) |
| 75 mph (120.7 km/h) | 68.59 mph (110.38 km/h) |
| 80 mph (128.75 km/h) | 73.16 mph (117.74 km/h) |
| 85 mph (136.79 km/h) | 77.73 mph (125.1 km/h) |
| 90 mph (144.84 km/h) | 82.31 mph (132.46 km/h) |
| 95 mph (152.89 km/h) | 86.88 mph (139.82 km/h) |
| 100 mph (160.93 km/h) | 91.45 mph (147.18 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2238 | 2600 | 2800 | 2924 | 3057 | 3152 | 3257 | 3381 | 3552 | 3724 | 3914 | 4066 | 4343 | 4647 | 4885 | 5038 | 5124 | 5438 | 5876 | 6828 |
Better Fuel Economy Factory Ratios Increased Power
