Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 115/70-15 | 115/95-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.34 (542) | 23.6 (599.5) | 2.26 (57.5) 10.6% |
| Width inches (mm) | 4.53 (115) | 4.53 (115) | 0 (0) 0% |
| Circum. inches (mm) | 67.04 (1702.74) | 74.15 (1883.38) | 7.11 (180.64) 10.6% |
| Sidewall Height inches (mm) | 3.17 (80.5) | 4.3 (109.25) | 1.13 (28.75) 35.7% |
| Revolutions per mile (km) | 945.15 (587.29) | 854.5 (530.96) | -90.65 (-56.33) -9.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.12 mph (35.6 km/h) |
| 25 mph (40.23 km/h) | 27.65 mph (44.5 km/h) |
| 30 mph (48.28 km/h) | 33.18 mph (53.4 km/h) |
| 35 mph (56.33 km/h) | 38.71 mph (62.3 km/h) |
| 40 mph (64.37 km/h) | 44.24 mph (71.2 km/h) |
| 45 mph (72.42 km/h) | 49.77 mph (80.1 km/h) |
| 50 mph (80.47 km/h) | 55.3 mph (89 km/h) |
| 55 mph (88.51 km/h) | 60.83 mph (97.9 km/h) |
| 60 mph (96.56 km/h) | 66.37 mph (106.8 km/h) |
| 65 mph (104.61 km/h) | 71.9 mph (115.71 km/h) |
| 70 mph (112.65 km/h) | 77.43 mph (124.61 km/h) |
| 75 mph (120.7 km/h) | 82.96 mph (133.51 km/h) |
| 80 mph (128.75 km/h) | 88.49 mph (142.41 km/h) |
| 85 mph (136.79 km/h) | 94.02 mph (151.31 km/h) |
| 90 mph (144.84 km/h) | 99.55 mph (160.21 km/h) |
| 95 mph (152.89 km/h) | 105.08 mph (169.11 km/h) |
| 100 mph (160.93 km/h) | 110.61 mph (178.01 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2175 | 2526 | 2720 | 2841 | 2970 | 3063 | 3165 | 3285 | 3451 | 3618 | 3803 | 3951 | 4220 | 4516 | 4747 | 4895 | 4978 | 5284 | 5709 | 6635 |
Better Fuel Economy Factory Ratios Increased Power
