Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/90-18 | 195/35-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.69 (754.2) | 23.37 (593.7) | -6.32 (-160.5) -21.3% |
| Width inches (mm) | 6.5 (165) | 7.68 (195) | 1.18 (30) 18.2% |
| Circum. inches (mm) | 93.28 (2369.39) | 73.43 (1865.16) | -19.85 (-504.23) -21.3% |
| Sidewall Height inches (mm) | 5.85 (148.5) | 2.69 (68.25) | -3.16 (-80.25) -54% |
| Revolutions per mile (km) | 679.22 (422.05) | 862.84 (536.14) | 183.62 (114.1) 27% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 15.74 mph (25.34 km/h) |
| 25 mph (40.23 km/h) | 19.68 mph (31.67 km/h) |
| 30 mph (48.28 km/h) | 23.62 mph (38.01 km/h) |
| 35 mph (56.33 km/h) | 27.55 mph (44.34 km/h) |
| 40 mph (64.37 km/h) | 31.49 mph (50.67 km/h) |
| 45 mph (72.42 km/h) | 35.42 mph (57.01 km/h) |
| 50 mph (80.47 km/h) | 39.36 mph (63.34 km/h) |
| 55 mph (88.51 km/h) | 43.3 mph (69.68 km/h) |
| 60 mph (96.56 km/h) | 47.23 mph (76.01 km/h) |
| 65 mph (104.61 km/h) | 51.17 mph (82.35 km/h) |
| 70 mph (112.65 km/h) | 55.1 mph (88.68 km/h) |
| 75 mph (120.7 km/h) | 59.04 mph (95.01 km/h) |
| 80 mph (128.75 km/h) | 62.98 mph (101.35 km/h) |
| 85 mph (136.79 km/h) | 66.91 mph (107.68 km/h) |
| 90 mph (144.84 km/h) | 70.85 mph (114.02 km/h) |
| 95 mph (152.89 km/h) | 74.78 mph (120.35 km/h) |
| 100 mph (160.93 km/h) | 78.72 mph (126.69 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
