Size comparison · drawn to scale
Kia K3 BL7 vs Mercedes-Benz C-Class W203: size comparison
- Length K3 BL7 19 mm0.7 in longer
- Width K3 BL7 37 mm1 in wider
- Height K3 BL7 49 mm2 in taller
- Boot K3 BL7 89 L3.1 cu ft more
Car 1 blue, solid outline
Car 2 coral, dashed outline

Change cars
Zoom in to read the measurements - or see the table below.
Scale about 1:20 on a desktop screen · grid 500 mm1 ft · in Overlay both cars start at the front bumper Side view: dashed lines mark the axles Front view: width without mirrors Top view: footprint on the road
Dimensions and difference
The K3 BL7 is 19 mm0.7 in longer, 37 mm1 in wider and 49 mm2 in taller than the C-Class W203. Its wheelbase is 45 mm2 in shorter.
| Dimension | K3 BL7 | C-Class W203 | Difference, car 1 vs car 2 |
|---|---|---|---|
| Length | 4,545 mm14 ft 11 in14 ft 11 in4,545 mm | 4,526 mm14 ft 10 in14 ft 10 in4,526 mm | +19 mm+0.7 in +0.4% |
| Width | 1,765 mm5 ft 9 in5 ft 9 in1,765 mm | 1,728 mm5 ft 8 in5 ft 8 in1,728 mm | +37 mm+1 in +2.1% |
| Height | 1,475 mm4 ft 10 in4 ft 10 in1,475 mm | 1,426 mm4 ft 8 in4 ft 8 in1,426 mm | +49 mm+2 in +3.4% |
| Wheelbase | 2,670 mm8 ft 9 in8 ft 9 in2,670 mm | 2,715 mm8 ft 11 in8 ft 11 in2,715 mm | −45 mm−2 in −1.7% |
| Footprint | 8.02 m²86.3 sq ft86.3 sq ft8.02 m² | 7.82 m²84.2 sq ft84.2 sq ft7.82 m² | +0.20 m²+2.2 sq ft +2.6% |
| Boot | 544 L19.2 cu ft19.2 cu ft544 L | 455 L16.1 cu ft16.1 cu ft455 L | +89 L+3.1 cu ft +19.6% |
| Kerb weight | Not in our catalog yet | 1,485–1,530 kg3,274–3,373 lb3,274–3,373 lb1,485–1,530 kg | - |
Width without mirrors. Figures come from the catalog version pages; the drawing uses the same numbers. Body outlines are generic for the body type - proportions are exact, styling is not. Weight difference compares the lightest versions.
Garage and parking
A typical single garage is about 5.5 × 3.0 m18 ft 1 in × 9 ft 10 in inside; a parking bay about 5.0 × 2.5 m16 ft 5 in × 8 ft 2 in. Room to open a door: about 600 mm2 ft each side.
K3 BL7
- Single garage
- Fits 955 mm3 ft 2 in to spare in length, 618 mm2 ft 0 in each side
- Parking bay
- Tight 455 mm1 ft 6 in to spare in length, 368 mm1 ft 2 in each side
C-Class W203
- Single garage
- Fits 974 mm3 ft 2 in to spare in length, 636 mm2 ft 1 in each side
- Parking bay
- Tight 474 mm1 ft 7 in to spare in length, 386 mm1 ft 3 in each side
Frequently asked questions
Which is bigger, the Kia K3 BL7 or the Mercedes-Benz C-Class W203?
The Kia K3 BL7 is the bigger car by footprint (length × width). The K3 BL7 is 19 mm longer, 37 mm wider and 49 mm taller than the C-Class W203. Its wheelbase is 45 mm shorter.
Will the Kia K3 BL7 and the Mercedes-Benz C-Class W203 fit in a standard garage?
In a typical single garage of 5.5 × 3.0 m inside: The Kia K3 BL7 fits with room to open the doors (955 mm to spare in length, 618 mm each side). The Mercedes-Benz C-Class W203 fits with room to open the doors (974 mm to spare in length, 636 mm each side). Widths are without mirrors; check your own garage with our garage checker.
Which has the bigger boot?
The Kia K3 BL7: 544 L against 455 L in the Mercedes-Benz C-Class W203 (seats up, as quoted by the maker).
Drawn to one scale
Both cars use the same millimetre grid, so a longer bonnet or a taller roof shows exactly as it is.
Wheels at the real wheelbase
Dashed lines mark the axles. In Overlay both cars start at the front bumper; car 2 has a dashed outline.
Will it fit my garage?
Switch to Top view, or to feet and inches if your garage plan is in feet. Allow about 600 mm (2 ft) for opening the doors.
