Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/40-16 | 195/35-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.2 (538.4) | 23.37 (593.7) | 2.18 (55.3) 10.3% |
| Width inches (mm) | 6.5 (165) | 7.68 (195) | 1.18 (30) 18.2% |
| Circum. inches (mm) | 66.59 (1691.43) | 73.43 (1865.16) | 6.84 (173.73) 10.3% |
| Sidewall Height inches (mm) | 2.6 (66) | 2.69 (68.25) | 0.09 (2.25) 3.4% |
| Revolutions per mile (km) | 951.47 (591.21) | 862.84 (536.14) | -88.62 (-55.07) -9.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.05 mph (35.49 km/h) |
| 25 mph (40.23 km/h) | 27.57 mph (44.37 km/h) |
| 30 mph (48.28 km/h) | 33.08 mph (53.24 km/h) |
| 35 mph (56.33 km/h) | 38.59 mph (62.11 km/h) |
| 40 mph (64.37 km/h) | 44.11 mph (70.99 km/h) |
| 45 mph (72.42 km/h) | 49.62 mph (79.86 km/h) |
| 50 mph (80.47 km/h) | 55.14 mph (88.73 km/h) |
| 55 mph (88.51 km/h) | 60.65 mph (97.61 km/h) |
| 60 mph (96.56 km/h) | 66.16 mph (106.48 km/h) |
| 65 mph (104.61 km/h) | 71.68 mph (115.35 km/h) |
| 70 mph (112.65 km/h) | 77.19 mph (124.23 km/h) |
| 75 mph (120.7 km/h) | 82.7 mph (133.1 km/h) |
| 80 mph (128.75 km/h) | 88.22 mph (141.97 km/h) |
| 85 mph (136.79 km/h) | 93.73 mph (150.84 km/h) |
| 90 mph (144.84 km/h) | 99.24 mph (159.72 km/h) |
| 95 mph (152.89 km/h) | 104.76 mph (168.59 km/h) |
| 100 mph (160.93 km/h) | 110.27 mph (177.46 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2196 | 2551 | 2747 | 2869 | 2999 | 3093 | 3196 | 3317 | 3485 | 3653 | 3840 | 3990 | 4261 | 4560 | 4793 | 4943 | 5027 | 5335 | 5765 | 6699 |
Better Fuel Economy Factory Ratios Increased Power
