Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 155/70-18 | 195/65-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.54 (674.2) | 24.98 (634.5) | -1.56 (-39.7) -5.9% |
| Width inches (mm) | 6.1 (155) | 7.68 (195) | 1.57 (40) 25.8% |
| Circum. inches (mm) | 83.39 (2118.06) | 78.48 (1993.34) | -4.91 (-124.72) -5.9% |
| Sidewall Height inches (mm) | 4.27 (108.5) | 4.99 (126.75) | 0.72 (18.25) 16.8% |
| Revolutions per mile (km) | 759.82 (472.13) | 807.36 (501.67) | 47.54 (29.54) 6.3% |
195/65-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.82 mph (30.29 km/h) |
| 25 mph (40.23 km/h) | 23.53 mph (37.86 km/h) |
| 30 mph (48.28 km/h) | 28.23 mph (45.44 km/h) |
| 35 mph (56.33 km/h) | 32.94 mph (53.01 km/h) |
| 40 mph (64.37 km/h) | 37.64 mph (60.58 km/h) |
| 45 mph (72.42 km/h) | 42.35 mph (68.16 km/h) |
| 50 mph (80.47 km/h) | 47.06 mph (75.73 km/h) |
| 55 mph (88.51 km/h) | 51.76 mph (83.3 km/h) |
| 60 mph (96.56 km/h) | 56.47 mph (90.87 km/h) |
| 65 mph (104.61 km/h) | 61.17 mph (98.45 km/h) |
| 70 mph (112.65 km/h) | 65.88 mph (106.02 km/h) |
| 75 mph (120.7 km/h) | 70.58 mph (113.59 km/h) |
| 80 mph (128.75 km/h) | 75.29 mph (121.17 km/h) |
| 85 mph (136.79 km/h) | 79.99 mph (128.74 km/h) |
| 90 mph (144.84 km/h) | 84.7 mph (136.31 km/h) |
| 95 mph (152.89 km/h) | 89.41 mph (143.89 km/h) |
| 100 mph (160.93 km/h) | 94.11 mph (151.46 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2055 | 2387 | 2570 | 2684 | 2806 | 2894 | 2990 | 3104 | 3261 | 3418 | 3593 | 3733 | 3987 | 4267 | 4485 | 4625 | 4704 | 4992 | 5394 | 6269 |
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