Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 190/60-15 | 190/70-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.98 (609) | 25.47 (647) | 1.5 (38) 6.2% |
| Width inches (mm) | 7.48 (190) | 7.48 (190) | 0 (0) 0% |
| Circum. inches (mm) | 75.32 (1913.23) | 80.02 (2032.61) | 4.7 (119.38) 6.2% |
| Sidewall Height inches (mm) | 4.49 (114) | 5.24 (133) | 0.75 (19) 16.7% |
| Revolutions per mile (km) | 841.17 (522.68) | 791.76 (491.98) | -49.4 (-30.7) -5.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.25 mph (34.2 km/h) |
| 25 mph (40.23 km/h) | 26.56 mph (42.74 km/h) |
| 30 mph (48.28 km/h) | 31.87 mph (51.29 km/h) |
| 35 mph (56.33 km/h) | 37.18 mph (59.84 km/h) |
| 40 mph (64.37 km/h) | 42.5 mph (68.39 km/h) |
| 45 mph (72.42 km/h) | 47.81 mph (76.94 km/h) |
| 50 mph (80.47 km/h) | 53.12 mph (85.49 km/h) |
| 55 mph (88.51 km/h) | 58.43 mph (94.04 km/h) |
| 60 mph (96.56 km/h) | 63.74 mph (102.59 km/h) |
| 65 mph (104.61 km/h) | 69.06 mph (111.13 km/h) |
| 70 mph (112.65 km/h) | 74.37 mph (119.68 km/h) |
| 75 mph (120.7 km/h) | 79.68 mph (128.23 km/h) |
| 80 mph (128.75 km/h) | 84.99 mph (136.78 km/h) |
| 85 mph (136.79 km/h) | 90.3 mph (145.33 km/h) |
| 90 mph (144.84 km/h) | 95.62 mph (153.88 km/h) |
| 95 mph (152.89 km/h) | 100.93 mph (162.43 km/h) |
| 100 mph (160.93 km/h) | 106.24 mph (170.98 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2015 | 2341 | 2521 | 2632 | 2752 | 2838 | 2932 | 3044 | 3198 | 3352 | 3524 | 3661 | 3910 | 4184 | 4398 | 4536 | 4613 | 4896 | 5290 | 6148 |
Better Fuel Economy Factory Ratios Increased Power
