Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/70-14 | 245/70-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.4 (670.6) | 27.5 (698.6) | 1.1 (28) 4.2% |
| Width inches (mm) | 8.86 (225) | 9.65 (245) | 0.79 (20) 8.9% |
| Circum. inches (mm) | 82.94 (2106.75) | 86.41 (2194.72) | 3.46 (87.96) 4.2% |
| Sidewall Height inches (mm) | 6.2 (157.5) | 6.75 (171.5) | 0.55 (14) 8.9% |
| Revolutions per mile (km) | 763.9 (474.66) | 733.28 (455.64) | -30.62 (-19.02) -4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.84 mph (33.53 km/h) |
| 25 mph (40.23 km/h) | 26.04 mph (41.91 km/h) |
| 30 mph (48.28 km/h) | 31.25 mph (50.3 km/h) |
| 35 mph (56.33 km/h) | 36.46 mph (58.68 km/h) |
| 40 mph (64.37 km/h) | 41.67 mph (67.06 km/h) |
| 45 mph (72.42 km/h) | 46.88 mph (75.44 km/h) |
| 50 mph (80.47 km/h) | 52.09 mph (83.83 km/h) |
| 55 mph (88.51 km/h) | 57.3 mph (92.21 km/h) |
| 60 mph (96.56 km/h) | 62.51 mph (100.59 km/h) |
| 65 mph (104.61 km/h) | 67.71 mph (108.98 km/h) |
| 70 mph (112.65 km/h) | 72.92 mph (117.36 km/h) |
| 75 mph (120.7 km/h) | 78.13 mph (125.74 km/h) |
| 80 mph (128.75 km/h) | 83.34 mph (134.12 km/h) |
| 85 mph (136.79 km/h) | 88.55 mph (142.51 km/h) |
| 90 mph (144.84 km/h) | 93.76 mph (150.89 km/h) |
| 95 mph (152.89 km/h) | 98.97 mph (159.27 km/h) |
| 100 mph (160.93 km/h) | 104.18 mph (167.65 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1866 | 2168 | 2335 | 2438 | 2549 | 2628 | 2716 | 2819 | 2962 | 3105 | 3264 | 3391 | 3621 | 3875 | 4074 | 4201 | 4272 | 4534 | 4899 | 5693 |
Better Fuel Economy Factory Ratios Increased Power
