Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/40-14 | 250/60-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.09 (535.6) | 25.81 (655.6) | 4.72 (120) 22.4% |
| Width inches (mm) | 8.86 (225) | 9.84 (250) | 0.98 (25) 11.1% |
| Circum. inches (mm) | 66.25 (1682.64) | 81.09 (2059.63) | 14.84 (376.99) 22.4% |
| Sidewall Height inches (mm) | 3.54 (90) | 5.91 (150) | 2.36 (60) 66.7% |
| Revolutions per mile (km) | 956.44 (594.3) | 781.38 (485.52) | -175.07 (-108.78) -18.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 24.48 mph (39.4 km/h) |
| 25 mph (40.23 km/h) | 30.6 mph (49.25 km/h) |
| 30 mph (48.28 km/h) | 36.72 mph (59.1 km/h) |
| 35 mph (56.33 km/h) | 42.84 mph (68.95 km/h) |
| 40 mph (64.37 km/h) | 48.96 mph (78.8 km/h) |
| 45 mph (72.42 km/h) | 55.08 mph (88.65 km/h) |
| 50 mph (80.47 km/h) | 61.2 mph (98.5 km/h) |
| 55 mph (88.51 km/h) | 67.32 mph (108.35 km/h) |
| 60 mph (96.56 km/h) | 73.44 mph (118.2 km/h) |
| 65 mph (104.61 km/h) | 79.56 mph (128.04 km/h) |
| 70 mph (112.65 km/h) | 85.68 mph (137.89 km/h) |
| 75 mph (120.7 km/h) | 91.8 mph (147.74 km/h) |
| 80 mph (128.75 km/h) | 97.92 mph (157.59 km/h) |
| 85 mph (136.79 km/h) | 104.04 mph (167.44 km/h) |
| 90 mph (144.84 km/h) | 110.16 mph (177.29 km/h) |
| 95 mph (152.89 km/h) | 116.28 mph (187.14 km/h) |
| 100 mph (160.93 km/h) | 122.4 mph (196.99 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1988 | 2310 | 2488 | 2598 | 2716 | 2801 | 2894 | 3004 | 3156 | 3308 | 3478 | 3613 | 3858 | 4129 | 4341 | 4476 | 4552 | 4832 | 5221 | 6067 |
Better Fuel Economy Factory Ratios Increased Power
