Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 25/10-12 | 205/30-12 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25 (635) | 16.84 (427.8) | -8.16 (-207.2) -32.6% |
| Width inches (mm) | 10 (254) | 8.07 (205) | -1.93 (-49) -19.3% |
| Circum. inches (mm) | 78.54 (1994.91) | 52.91 (1343.97) | -25.63 (-650.94) -32.6% |
| Sidewall Height inches (mm) | 6.5 (165.1) | 2.42 (61.5) | -4.08 (-103.6) -62.7% |
| Revolutions per mile (km) | 806.72 (501.27) | 1197.45 (744.06) | 390.73 (242.79) 48.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 13.47 mph (21.68 km/h) |
| 25 mph (40.23 km/h) | 16.84 mph (27.11 km/h) |
| 30 mph (48.28 km/h) | 20.21 mph (32.53 km/h) |
| 35 mph (56.33 km/h) | 23.58 mph (37.95 km/h) |
| 40 mph (64.37 km/h) | 26.95 mph (43.37 km/h) |
| 45 mph (72.42 km/h) | 30.32 mph (48.79 km/h) |
| 50 mph (80.47 km/h) | 33.69 mph (54.21 km/h) |
| 55 mph (88.51 km/h) | 37.05 mph (59.63 km/h) |
| 60 mph (96.56 km/h) | 40.42 mph (65.05 km/h) |
| 65 mph (104.61 km/h) | 43.79 mph (70.47 km/h) |
| 70 mph (112.65 km/h) | 47.16 mph (75.9 km/h) |
| 75 mph (120.7 km/h) | 50.53 mph (81.32 km/h) |
| 80 mph (128.75 km/h) | 53.9 mph (86.74 km/h) |
| 85 mph (136.79 km/h) | 57.26 mph (92.16 km/h) |
| 90 mph (144.84 km/h) | 60.63 mph (97.58 km/h) |
| 95 mph (152.89 km/h) | 64 mph (103 km/h) |
| 100 mph (160.93 km/h) | 67.37 mph (108.42 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Better Fuel Economy Factory Ratios Increased Power
