Compare Dimensions Side by Side
2021 Lexus IS III vs. 2010 Kia Optima III

Compare the size of two cars side by side and see their differences at a glance. Simply enter the vehicle names, and our tool creates a clear visual comparison of their length, width, and height. This makes it easy to find out which car is longer, wider, or taller, and helps you better understand their overall proportions. Whether you are checking if a car will fit in your garage, comparing everyday models, or exploring larger SUVs, this tool provides a straightforward way to see all key dimensions in one place.

    no car selected
      no car selected
      Random Comparison

      Here’s how the 2021 Lexus IS III and the 2010 Kia Optima III compare in size:

      In terms of length, the 2010 Kia Optima III comes in at 4845 mm (190.75 in), giving it a 88 mm (3.46 in) (1.8 %) advantage over the 2021 Lexus IS III at 4757 mm (187.28 in). Looking at width, the 2021 Lexus IS III spans 1840 mm (72.44 in), which is 10 mm (0.39 in) (0.5 %) broader than the 2010 Kia Optima III at 1830 mm (72.05 in). As for height, the 2010 Kia Optima III reaches 1455 mm (57.28 in), which is 15 mm (0.59 in) (1.0 %) taller than the 2021 Lexus IS III at 1440 mm (56.69 in).

      Overall, the 2021 Lexus IS III is wider than the 2010 Kia Optima III, while the 2010 Kia Optima III is longer and taller than the 2021 Lexus IS III.

      Length
      4757 mm187.3 in
      4845 mm190.7 in
      Width
      1840 mm72.4 in
      1830 mm72.0 in
      Height
      1440 mm56.7 in
      1455 mm57.3 in

      2021 Lexus IS III Side View Left
      4757 mm187.3 in πŸ”΄ -88 mm-3.5 in (-1.8%)
      2010 Kia Optima III Side View Left
      4845 mm190.7 in 🟒 +88 mm+3.5 in (+1.8%)
      2021 Lexus IS III Preview
      1840 mm72.4 in 🟒 +10 mm+0.4 in (+0.5%)
      2010 Kia Optima III Front View
      1830 mm72.0 in πŸ”΄ -10 mm-0.4 in (-0.5%)
      2021 Lexus IS III Preview
      1440 mm56.7 in πŸ”΄ -15 mm-0.6 in (-1.0%)
      2010 Kia Optima III Rear View
      1455 mm57.3 in 🟒 +15 mm+0.6 in (+1.0%)
      2021 Lexus IS III
      2010 Kia Optima III

      Side-by-Side Specs: Dimensions, Weight & More

      General Info

      Body Style:

      Sedan
      Sedan

      Model Year:

      2021
      2010

      Production:

      2020-present Current Model
      n/a

      Dimensions

      Length:

      4710-4757 mm185.4-187.3 in
      πŸ”΄ -135 mm-5.3 in (-2.8%) - πŸ”΄ -88 mm-3.5 in (-1.8%)
      4845 mm190.7 in
      🟒 +88 mm+3.5 in (+1.8%) - 🟒 +135 mm+5.3 in (+2.9%)

      Width:

      1840 mm72.4 in
      🟒 +10 mm+0.4 in (+0.5%)
      1830 mm72.0 in
      πŸ”΄ -10 mm-0.4 in (-0.5%)

      Width (Folded Mirrors):

      -
      -

      Width (Opened Mirrors):

      -
      -

      Height:

      1440 mm56.7 in
      πŸ”΄ -20 mm-0.8 in (-1.4%) - πŸ”΄ -15 mm-0.6 in (-1.0%)
      1455 mm57.3 in
      🟒 +15 mm+0.6 in (+1.0%) - 🟒 +20 mm+0.8 in (+1.4%)

      Ground Clearance:

      140 mm5.5 in
      -

      Trunk Capacity:

      306-450 liter10.8-15.9 cu ft
      πŸ”΄ -130 liter-4.6 cu ft (-29.8%) - 🟒 +14 liter+0.5 cu ft (+3.2%)
      436 liter15.4 cu ft
      πŸ”΄ -14 liter-0.5 cu ft (-3.1%) - 🟒 +130 liter+4.6 cu ft (+42.5%)

      Trunk Capacity (Max):

      -
      -

      Weight Specifications

      Curb Weight:

      1685-1780 kg3715-3924 lbs
      🟒 +209 kg+461 lbs (+14.2%) - 🟒 +376 kg+829 lbs (+26.8%)
      1404-1476 kg3095-3254 lbs
      πŸ”΄ -376 kg-829 lbs (-21.1%) - πŸ”΄ -209 kg-461 lbs (-12.4%)

      Maximal permitted Weight:

      1965-2186 kg4332-4819 lbs
      πŸ”΄ -65 kg-143 lbs (-3.2%) - 🟒 +206 kg+454 lbs (+10.4%)
      1980-2030 kg4365-4475 lbs
      πŸ”΄ -206 kg-454 lbs (-9.4%) - 🟒 +65 kg+143 lbs (+3.3%)

      Roof Load:

      -
      -

      Tire Specifications

      Rims Size:

      18-inch rims:
      • 8.5J x 18
      19-inch rims:
      • 9.5J x 19
      • 8.5J x 19
      16-inch rims:
      • 6J x 16
      • 6.5J x 16
      17-inch rims:
      • 6.5J x 17
      18-inch rims:
      • 7.5J x 18

      Tire Size:

      • 235/40 R19 (W:235 | H:40 | D:19)
      • 235/45 R18 (W:235 | H:45 | D:18)
      • 265/35 R19 (W:265 | H:35 | D:19)
      • 205/65 R16 (W:205 | H:65 | D:16)
      • 215/55 R17 (W:215 | H:55 | D:17)
      • 225/45 R18 (W:225 | H:45 | D:18)

      Related Comparisons

      Small red car