Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 145/55-16 | 190/65-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.28 (565.9) | 25.72 (653.4) | 3.44 (87.5) 15.5% |
| Width inches (mm) | 5.71 (145) | 7.48 (190) | 1.77 (45) 31% |
| Circum. inches (mm) | 69.99 (1777.83) | 80.82 (2052.72) | 10.82 (274.89) 15.5% |
| Sidewall Height inches (mm) | 3.14 (79.75) | 4.86 (123.5) | 1.72 (43.75) 54.9% |
| Revolutions per mile (km) | 905.23 (562.48) | 784.01 (487.16) | -121.22 (-75.32) -13.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.09 mph (37.16 km/h) |
| 25 mph (40.23 km/h) | 28.87 mph (46.45 km/h) |
| 30 mph (48.28 km/h) | 34.64 mph (55.75 km/h) |
| 35 mph (56.33 km/h) | 40.41 mph (65.04 km/h) |
| 40 mph (64.37 km/h) | 46.18 mph (74.33 km/h) |
| 45 mph (72.42 km/h) | 51.96 mph (83.62 km/h) |
| 50 mph (80.47 km/h) | 57.73 mph (92.91 km/h) |
| 55 mph (88.51 km/h) | 63.5 mph (102.2 km/h) |
| 60 mph (96.56 km/h) | 69.28 mph (111.49 km/h) |
| 65 mph (104.61 km/h) | 75.05 mph (120.78 km/h) |
| 70 mph (112.65 km/h) | 80.82 mph (130.07 km/h) |
| 75 mph (120.7 km/h) | 86.6 mph (139.36 km/h) |
| 80 mph (128.75 km/h) | 92.37 mph (148.65 km/h) |
| 85 mph (136.79 km/h) | 98.14 mph (157.95 km/h) |
| 90 mph (144.84 km/h) | 103.92 mph (167.24 km/h) |
| 95 mph (152.89 km/h) | 109.69 mph (176.53 km/h) |
| 100 mph (160.93 km/h) | 115.46 mph (185.82 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1995 | 2318 | 2496 | 2606 | 2725 | 2810 | 2904 | 3014 | 3167 | 3320 | 3489 | 3625 | 3871 | 4143 | 4355 | 4491 | 4568 | 4848 | 5238 | 6087 |
Better Fuel Economy Factory Ratios Increased Power
