Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 230/60-15 | 230/70-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.87 (657) | 28.68 (728.4) | 2.81 (71.4) 10.9% |
| Width inches (mm) | 9.06 (230) | 9.06 (230) | 0 (0) 0% |
| Circum. inches (mm) | 81.26 (2064.03) | 90.09 (2288.34) | 8.83 (224.31) 10.9% |
| Sidewall Height inches (mm) | 5.43 (138) | 6.34 (161) | 0.91 (23) 16.7% |
| Revolutions per mile (km) | 779.71 (484.49) | 703.28 (437) | -76.43 (-47.49) -9.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.17 mph (35.68 km/h) |
| 25 mph (40.23 km/h) | 27.72 mph (44.61 km/h) |
| 30 mph (48.28 km/h) | 33.26 mph (53.53 km/h) |
| 35 mph (56.33 km/h) | 38.8 mph (62.45 km/h) |
| 40 mph (64.37 km/h) | 44.35 mph (71.37 km/h) |
| 45 mph (72.42 km/h) | 49.89 mph (80.29 km/h) |
| 50 mph (80.47 km/h) | 55.43 mph (89.21 km/h) |
| 55 mph (88.51 km/h) | 60.98 mph (98.13 km/h) |
| 60 mph (96.56 km/h) | 66.52 mph (107.05 km/h) |
| 65 mph (104.61 km/h) | 72.06 mph (115.98 km/h) |
| 70 mph (112.65 km/h) | 77.61 mph (124.9 km/h) |
| 75 mph (120.7 km/h) | 83.15 mph (133.82 km/h) |
| 80 mph (128.75 km/h) | 88.69 mph (142.74 km/h) |
| 85 mph (136.79 km/h) | 94.24 mph (151.66 km/h) |
| 90 mph (144.84 km/h) | 99.78 mph (160.58 km/h) |
| 95 mph (152.89 km/h) | 105.32 mph (169.5 km/h) |
| 100 mph (160.93 km/h) | 110.87 mph (178.42 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1790 | 2079 | 2239 | 2338 | 2445 | 2521 | 2605 | 2704 | 2841 | 2978 | 3130 | 3252 | 3473 | 3717 | 3907 | 4029 | 4097 | 4349 | 4699 | 5461 |
Better Fuel Economy Factory Ratios Increased Power
