Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/65-18 | 195/65-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.47 (697.7) | 27.98 (710.7) | 0.51 (13) 1.9% |
| Width inches (mm) | 7.28 (185) | 7.68 (195) | 0.39 (10) 5.4% |
| Circum. inches (mm) | 86.29 (2191.89) | 87.9 (2232.73) | 1.61 (40.84) 1.9% |
| Sidewall Height inches (mm) | 4.73 (120.25) | 4.99 (126.75) | 0.26 (6.5) 5.4% |
| Revolutions per mile (km) | 734.23 (456.23) | 720.8 (447.88) | -13.43 (-8.35) -1.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.37 mph (32.79 km/h) |
| 25 mph (40.23 km/h) | 25.47 mph (40.98 km/h) |
| 30 mph (48.28 km/h) | 30.56 mph (49.18 km/h) |
| 35 mph (56.33 km/h) | 35.65 mph (57.38 km/h) |
| 40 mph (64.37 km/h) | 40.75 mph (65.57 km/h) |
| 45 mph (72.42 km/h) | 45.84 mph (73.77 km/h) |
| 50 mph (80.47 km/h) | 50.93 mph (81.97 km/h) |
| 55 mph (88.51 km/h) | 56.02 mph (90.16 km/h) |
| 60 mph (96.56 km/h) | 61.12 mph (98.36 km/h) |
| 65 mph (104.61 km/h) | 66.21 mph (106.56 km/h) |
| 70 mph (112.65 km/h) | 71.3 mph (114.75 km/h) |
| 75 mph (120.7 km/h) | 76.4 mph (122.95 km/h) |
| 80 mph (128.75 km/h) | 81.49 mph (131.15 km/h) |
| 85 mph (136.79 km/h) | 86.58 mph (139.34 km/h) |
| 90 mph (144.84 km/h) | 91.68 mph (147.54 km/h) |
| 95 mph (152.89 km/h) | 96.77 mph (155.74 km/h) |
| 100 mph (160.93 km/h) | 101.86 mph (163.93 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1834 | 2131 | 2295 | 2396 | 2506 | 2584 | 2669 | 2771 | 2911 | 3052 | 3208 | 3333 | 3559 | 3809 | 4004 | 4129 | 4199 | 4457 | 4816 | 5597 |
Better Fuel Economy Factory Ratios Increased Power
