Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 215/65-14 | 230/65-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25 (635.1) | 26.77 (680) | 1.77 (44.9) 7.1% |
| Width inches (mm) | 8.46 (215) | 9.06 (230) | 0.59 (15) 7% |
| Circum. inches (mm) | 78.55 (1995.23) | 84.11 (2136.28) | 5.55 (141.06) 7.1% |
| Sidewall Height inches (mm) | 5.5 (139.75) | 5.89 (149.5) | 0.38 (9.75) 7% |
| Revolutions per mile (km) | 806.6 (501.2) | 753.34 (468.1) | -53.26 (-33.09) -6.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.41 mph (34.46 km/h) |
| 25 mph (40.23 km/h) | 26.77 mph (43.08 km/h) |
| 30 mph (48.28 km/h) | 32.12 mph (51.69 km/h) |
| 35 mph (56.33 km/h) | 37.47 mph (60.31 km/h) |
| 40 mph (64.37 km/h) | 42.83 mph (68.92 km/h) |
| 45 mph (72.42 km/h) | 48.18 mph (77.54 km/h) |
| 50 mph (80.47 km/h) | 53.53 mph (86.16 km/h) |
| 55 mph (88.51 km/h) | 58.89 mph (94.77 km/h) |
| 60 mph (96.56 km/h) | 64.24 mph (103.39 km/h) |
| 65 mph (104.61 km/h) | 69.6 mph (112 km/h) |
| 70 mph (112.65 km/h) | 74.95 mph (120.62 km/h) |
| 75 mph (120.7 km/h) | 80.3 mph (129.23 km/h) |
| 80 mph (128.75 km/h) | 85.66 mph (137.85 km/h) |
| 85 mph (136.79 km/h) | 91.01 mph (146.47 km/h) |
| 90 mph (144.84 km/h) | 96.36 mph (155.08 km/h) |
| 95 mph (152.89 km/h) | 101.72 mph (163.7 km/h) |
| 100 mph (160.93 km/h) | 107.07 mph (172.31 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1917 | 2227 | 2398 | 2504 | 2619 | 2700 | 2790 | 2896 | 3043 | 3190 | 3353 | 3483 | 3720 | 3981 | 4185 | 4316 | 4389 | 4658 | 5033 | 5849 |
Better Fuel Economy Factory Ratios Increased Power
