Size comparison · drawn to scale
Opel Astra K vs MG4 II Urban AH4EM: size comparison
- Length MG4 II Urban AH4EM 25 mm1 in longer
- Width MG4 II Urban AH4EM 33 mm1 in wider
- Height MG4 II Urban AH4EM 64 mm3 in taller
- Boot MG4 II Urban AH4EM 100 L3.5 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 Astra K is 25 mm1 in shorter, 33 mm1 in narrower and 64 mm3 in lower than the MG4 II Urban AH4EM. Its wheelbase is 88 mm3 in shorter.
| Dimension | Astra K | MG4 II Urban AH4EM | Difference, car 1 vs car 2 |
|---|---|---|---|
| Length | 4,370 mm14 ft 4 in14 ft 4 in4,370 mm | 4,395 mm14 ft 5 in14 ft 5 in4,395 mm | −25 mm−1 in −0.6% |
| Width | 1,809 mm5 ft 11 in5 ft 11 in1,809 mm | 1,842 mm6 ft 1 in6 ft 1 in1,842 mm | −33 mm−1 in −1.8% |
| Height | 1,485 mm4 ft 10 in4 ft 10 in1,485 mm | 1,549 mm5 ft 1 in5 ft 1 in1,549 mm | −64 mm−3 in −4.1% |
| Wheelbase | 2,662 mm8 ft 9 in8 ft 9 in2,662 mm | 2,750 mm9 ft 0 in9 ft 0 in2,750 mm | −88 mm−3 in −3.2% |
| Footprint | 7.91 m²85.1 sq ft85.1 sq ft7.91 m² | 8.10 m²87.1 sq ft87.1 sq ft8.10 m² | −0.19 m²−2.0 sq ft −2.4% |
| Boot | 370 L13.1 cu ft13.1 cu ft370 L | 470 L16.6 cu ft16.6 cu ft470 L | −100 L−3.5 cu ft −21.3% |
| Kerb weight | 1,244–1,350 kg2,743–2,976 lb2,743–2,976 lb1,244–1,350 kg | 1,520 kg3,351 lb3,351 lb1,520 kg | −276 kg−608 lb −18.2% |
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.
Astra K
- Single garage
- Tight 1,130 mm3 ft 8 in to spare in length, 596 mm1 ft 11 in each side
- Parking bay
- Tight 630 mm2 ft 1 in to spare in length, 346 mm1 ft 2 in each side
MG4 II Urban AH4EM
- Single garage
- Tight 1,105 mm3 ft 8 in to spare in length, 579 mm1 ft 11 in each side
- Parking bay
- Tight 605 mm2 ft 0 in to spare in length, 329 mm1 ft 1 in each side
Frequently asked questions
Which is bigger, the Opel Astra K or the MG4 II Urban AH4EM?
The MG4 II Urban AH4EM is the bigger car by footprint (length × width). The Astra K is 25 mm shorter, 33 mm narrower and 64 mm lower than the MG4 II Urban AH4EM. Its wheelbase is 88 mm shorter.
Will the Opel Astra K and the MG4 II Urban AH4EM fit in a standard garage?
In a typical single garage of 5.5 × 3.0 m inside: The Opel Astra K fits, but it is tight to get out (1,130 mm to spare in length, 596 mm each side). The MG4 II Urban AH4EM fits, but it is tight to get out (1,105 mm to spare in length, 579 mm each side). Widths are without mirrors; check your own garage with our garage checker.
Which has the bigger boot?
The MG4 II Urban AH4EM: 470 L against 370 L in the Opel Astra K (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.
