Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 190/70-15 | 185/70-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.47 (647) | 26.2 (665.4) | 0.72 (18.4) 2.8% |
| Width inches (mm) | 7.48 (190) | 7.28 (185) | -0.2 (-5) -2.6% |
| Circum. inches (mm) | 80.02 (2032.61) | 82.3 (2090.42) | 2.28 (57.81) 2.8% |
| Sidewall Height inches (mm) | 5.24 (133) | 5.1 (129.5) | -0.14 (-3.5) -2.6% |
| Revolutions per mile (km) | 791.76 (491.98) | 769.87 (478.37) | -21.89 (-13.6) -2.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.57 mph (33.1 km/h) |
| 25 mph (40.23 km/h) | 25.71 mph (41.38 km/h) |
| 30 mph (48.28 km/h) | 30.85 mph (49.65 km/h) |
| 35 mph (56.33 km/h) | 36 mph (57.93 km/h) |
| 40 mph (64.37 km/h) | 41.14 mph (66.2 km/h) |
| 45 mph (72.42 km/h) | 46.28 mph (74.48 km/h) |
| 50 mph (80.47 km/h) | 51.42 mph (82.76 km/h) |
| 55 mph (88.51 km/h) | 56.56 mph (91.03 km/h) |
| 60 mph (96.56 km/h) | 61.71 mph (99.31 km/h) |
| 65 mph (104.61 km/h) | 66.85 mph (107.58 km/h) |
| 70 mph (112.65 km/h) | 71.99 mph (115.86 km/h) |
| 75 mph (120.7 km/h) | 77.13 mph (124.13 km/h) |
| 80 mph (128.75 km/h) | 82.28 mph (132.41 km/h) |
| 85 mph (136.79 km/h) | 87.42 mph (140.68 km/h) |
| 90 mph (144.84 km/h) | 92.56 mph (148.96 km/h) |
| 95 mph (152.89 km/h) | 97.7 mph (157.24 km/h) |
| 100 mph (160.93 km/h) | 102.84 mph (165.51 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1959 | 2276 | 2451 | 2559 | 2676 | 2760 | 2851 | 2960 | 3110 | 3260 | 3426 | 3560 | 3802 | 4068 | 4277 | 4410 | 4485 | 4760 | 5144 | 5978 |
Better Fuel Economy Factory Ratios Increased Power
