245/55R19 tire size
A 245/55R19 tire is 245 mm wide with a 134.8 mm sidewall, 55% of the width, on a 19-inch rim, which puts the whole tire at 752.1 mm, or about 29.6 inches, tall. No model in our data leaves the factory on it, but it can replace the original size on 4 models within 3% of the height.
Overall height
752.1 mm
29.6 in
Sidewall
134.8 mm
55%
Circumference
2,363 mm
Revs per km
423
Actual dimensions of 245/55R19
| Section width | 245 mm (9.6 in) |
| Sidewall height | 134.8 mm (5.31 in) |
| Rim diameter | 19 in (482.6 mm) |
| Overall diameter | 752.1 mm (29.6 in) |
| Circumference | 2,363 mm |
| Revolutions per km | 423 |
| Inch notation (height x width) | 29.6x9.6R19 |
Worked out: sidewall 245 x 0.55 = 134.75 mm, rim 19 x 25.4 = 482.6 mm, overall 482.6 + (134.75 x 2) = 752.1 mm, circumference 3.1416 x 752.1 = 2,363 mm. One turn of the tire moves the car about 2.36 m, which is 423 turns per kilometer. New to sidewall codes? See how to read a tire size.
These are nominal figures from the standard formula. Real tires vary slightly by brand and squat a little under the weight of the car.
Cars fitted with 245/55R19 from the factory
No model sold in Thailand in our data leaves the factory on 245/55R19.
Cars that can switch to 245/55R19
These cars leave the factory on another size within 3% of the height of 245/55R19. Whether it fits still depends on rim width and wheel-well clearance.
Sizes that can replace 245/55R19
Sizes within ±3% of the overall height of 245/55R19. “At 100 km/h” is the real speed when the speedometer reads 100.
| Size | Height | Difference | At 100 km/h | Sidewall | Match | Compare |
|---|---|---|---|---|---|---|
| 245/60R18 | 751.2 mm | −0.9 mm (−0.12%) | 99.9 km/h | 147.0 mm | Very close | Compare |
| 265/45R20 | 746.5 mm | −5.6 mm (−0.74%) | 99.3 km/h | 119.3 mm | Close | Compare |
| 235/65R18 | 762.7 mm | +10.6 mm (+1.41%) | 101.4 km/h | 152.8 mm | Close | Compare |
| 255/50R20 | 763.0 mm | +10.9 mm (+1.45%) | 101.4 km/h | 127.5 mm | Close | Compare |
| 235/55R19 | 741.1 mm | −11.0 mm (−1.46%) | 98.5 km/h | 129.3 mm | Close | Compare |
| 255/55R19 | 763.1 mm | +11.0 mm (+1.46%) | 101.5 km/h | 140.3 mm | Close | Compare |
| 255/60R18 | 763.2 mm | +11.1 mm (+1.48%) | 101.5 km/h | 153.0 mm | Close | Compare |
| 235/60R18 | 739.2 mm | −12.9 mm (−1.72%) | 98.3 km/h | 141.0 mm | Close | Compare |
- Keeping your wheels, the closest is 235/55R19 at 741.1 mm, −11.0 mm (−1.46%) from the original. With the speedometer on 100 km/h, the car would actually be doing about 98.5 km/h. Ground clearance drops by about 5.5 mm.
- Moving up to 20-inch wheels, the closest height match is 265/45R20 (−0.74%), with the sidewall dropping from 134.8 mm to 119.3 mm.
- Going down to 18-inch wheels, 245/60R18 (−0.12%) is the closest match and raises the sidewall to 147.0 mm.
- A larger or wider tire also changes acceleration, fuel use and steering weight, so look beyond the percentage.
Buying 245/55R19 tires
Passenger tires in this size come in eco, comfort and sport lines. Japanese and European brands usually cost more than Asian ones, and the difference shows in noise, wet braking and tread life.
Check the production date in the DOT code before paying.
Check current prices
Search by brand
Links open marketplace search results; prices change constantly and not every brand makes this size.
Load index and speed rating for 245/55R19
The code after the size on the sidewall, as in 245/55R19 103H, is the load index and speed symbol. The common ratings for this size:
| Version | Index | Per tire | Four tires |
|---|---|---|---|
| Standard load (SL) | 103 | 875 kg | 3,500 kg |
| Extra load (XL) | 107 | 975 kg | 3,900 kg |
The new tire's load index and speed symbol must be no lower than the door placard, and it only carries its rated load at the correct pressure.
Common speed symbols in this size
H
210 km/h
V
240 km/h
245/55R19 questions
How tall is a 245/55R19 tire?
About 29.6 inches, or 752.1 mm, from top to bottom before it carries weight. Each sidewall is 134.8 mm tall and the tire is 245 mm (9.6 in) wide.
Which cars use 245/55R19 tires?
No car in our data is fitted with 245/55R19 from the factory, but its height is close to the original size on Honda CR-V, Mitsubishi Triton and Isuzu MU-X, so it works as a replacement size.
Can I fit 235/55R19 instead of 245/55R19?
Size-wise, yes: the height differs by −1.46% (−11.0 mm), so an indicated 100 km/h is really about 98.5 km/h. The tread is 10 mm narrower. Check rim width and load index first.
How much weight can a 245/55R19 tire carry?
Most standard-load versions carry load index 103: 875 kg per tire, 3,500 kg across four. XL versions are rated 107, or 975 kg per tire. Look for the number after the size on the sidewall, as in 245/55R19 103H.
Other 19-inch sizes
To compare other sizes yourself, use the tire size calculator; changing rim size, try plus/minus sizing; and see speedometer error by speed.

