Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 25/10-12 | 235/30-12 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25 (635) | 17.55 (445.8) | -7.45 (-189.2) -29.8% |
| Width inches (mm) | 10 (254) | 9.25 (235) | -0.75 (-19) -7.5% |
| Circum. inches (mm) | 78.54 (1994.91) | 55.14 (1400.52) | -23.4 (-594.39) -29.8% |
| Sidewall Height inches (mm) | 6.5 (165.1) | 2.78 (70.5) | -3.72 (-94.6) -57.3% |
| Revolutions per mile (km) | 806.72 (501.27) | 1149.1 (714.02) | 342.38 (212.74) 42.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 14.04 mph (22.6 km/h) |
| 25 mph (40.23 km/h) | 17.55 mph (28.25 km/h) |
| 30 mph (48.28 km/h) | 21.06 mph (33.9 km/h) |
| 35 mph (56.33 km/h) | 24.57 mph (39.54 km/h) |
| 40 mph (64.37 km/h) | 28.08 mph (45.19 km/h) |
| 45 mph (72.42 km/h) | 31.59 mph (50.84 km/h) |
| 50 mph (80.47 km/h) | 35.1 mph (56.49 km/h) |
| 55 mph (88.51 km/h) | 38.61 mph (62.14 km/h) |
| 60 mph (96.56 km/h) | 42.12 mph (67.79 km/h) |
| 65 mph (104.61 km/h) | 45.63 mph (73.44 km/h) |
| 70 mph (112.65 km/h) | 49.14 mph (79.09 km/h) |
| 75 mph (120.7 km/h) | 52.65 mph (84.74 km/h) |
| 80 mph (128.75 km/h) | 56.16 mph (90.39 km/h) |
| 85 mph (136.79 km/h) | 59.67 mph (96.04 km/h) |
| 90 mph (144.84 km/h) | 63.18 mph (101.69 km/h) |
| 95 mph (152.89 km/h) | 66.69 mph (107.33 km/h) |
| 100 mph (160.93 km/h) | 70.2 mph (112.98 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
