Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/40-16 | 155/40-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.2 (538.4) | 20.88 (530.4) | -0.31 (-8) -1.5% |
| Width inches (mm) | 6.5 (165) | 6.1 (155) | -0.39 (-10) -6.1% |
| Circum. inches (mm) | 66.59 (1691.43) | 65.6 (1666.3) | -0.99 (-25.13) -1.5% |
| Sidewall Height inches (mm) | 2.6 (66) | 2.44 (62) | -0.16 (-4) -6.1% |
| Revolutions per mile (km) | 951.47 (591.21) | 965.82 (600.13) | 14.35 (8.92) 1.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.7 mph (31.71 km/h) |
| 25 mph (40.23 km/h) | 24.63 mph (39.64 km/h) |
| 30 mph (48.28 km/h) | 29.55 mph (47.56 km/h) |
| 35 mph (56.33 km/h) | 34.48 mph (55.49 km/h) |
| 40 mph (64.37 km/h) | 39.41 mph (63.42 km/h) |
| 45 mph (72.42 km/h) | 44.33 mph (71.34 km/h) |
| 50 mph (80.47 km/h) | 49.26 mph (79.27 km/h) |
| 55 mph (88.51 km/h) | 54.18 mph (87.2 km/h) |
| 60 mph (96.56 km/h) | 59.11 mph (95.13 km/h) |
| 65 mph (104.61 km/h) | 64.03 mph (103.05 km/h) |
| 70 mph (112.65 km/h) | 68.96 mph (110.98 km/h) |
| 75 mph (120.7 km/h) | 73.89 mph (118.91 km/h) |
| 80 mph (128.75 km/h) | 78.81 mph (126.83 km/h) |
| 85 mph (136.79 km/h) | 83.74 mph (134.76 km/h) |
| 90 mph (144.84 km/h) | 88.66 mph (142.69 km/h) |
| 95 mph (152.89 km/h) | 93.59 mph (150.62 km/h) |
| 100 mph (160.93 km/h) | 98.51 mph (158.54 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Better Fuel Economy Factory Ratios Increased Power
