Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 205/35-18 | 195/40-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.65 (600.7) | 24.14 (613.2) | 0.49 (12.5) 2.1% |
| Width inches (mm) | 8.07 (205) | 7.68 (195) | -0.39 (-10) -4.9% |
| Circum. inches (mm) | 74.3 (1887.15) | 75.84 (1926.42) | 1.55 (39.27) 2.1% |
| Sidewall Height inches (mm) | 2.82 (71.75) | 3.07 (78) | 0.25 (6.25) 8.7% |
| Revolutions per mile (km) | 852.79 (529.9) | 835.4 (519.1) | -17.38 (-10.8) -2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.42 mph (32.86 km/h) |
| 25 mph (40.23 km/h) | 25.52 mph (41.07 km/h) |
| 30 mph (48.28 km/h) | 30.62 mph (49.29 km/h) |
| 35 mph (56.33 km/h) | 35.73 mph (57.5 km/h) |
| 40 mph (64.37 km/h) | 40.83 mph (65.71 km/h) |
| 45 mph (72.42 km/h) | 45.94 mph (73.93 km/h) |
| 50 mph (80.47 km/h) | 51.04 mph (82.14 km/h) |
| 55 mph (88.51 km/h) | 56.14 mph (90.36 km/h) |
| 60 mph (96.56 km/h) | 61.25 mph (98.57 km/h) |
| 65 mph (104.61 km/h) | 66.35 mph (106.78 km/h) |
| 70 mph (112.65 km/h) | 71.46 mph (115 km/h) |
| 75 mph (120.7 km/h) | 76.56 mph (123.21 km/h) |
| 80 mph (128.75 km/h) | 81.66 mph (131.43 km/h) |
| 85 mph (136.79 km/h) | 86.77 mph (139.64 km/h) |
| 90 mph (144.84 km/h) | 91.87 mph (147.86 km/h) |
| 95 mph (152.89 km/h) | 96.98 mph (156.07 km/h) |
| 100 mph (160.93 km/h) | 102.08 mph (164.28 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2126 | 2470 | 2660 | 2777 | 2904 | 2994 | 3094 | 3212 | 3374 | 3537 | 3718 | 3863 | 4125 | 4415 | 4641 | 4786 | 4867 | 5166 | 5582 | 6486 |
Better Fuel Economy Factory Ratios Increased Power
