Short answer: the Ford Mustang (2023) is bigger — it is 26.8 cm11 in268 mm longer, 6.3 cm2 in63 mm wider and 9.8 cm4 in98 mm taller than the Porsche 911 (2019).

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Ford Mustang vs Porsche 911

Ford Mustang seventh generation · 2023 · CoupePorsche 911 992 · 2019 · Coupealigned at front bumper + ground · same scale
Ford Mustang · 481 cm15 ft 9 in4,810 mmPorsche 911 · 454.2 cm14 ft 11 in4,542 mm Ford Mustang · 140 cm4 ft 7 in1,400 mmPorsche 911 · 130.2 cm4 ft 3 in1,302 mm
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Ford Mustang seventh generation2023–present · Coupe
Length481 cm15 ft 9 in4,810 mm26.8 cm11 in268 mm longer
Width191.5 cm6 ft 3 in1,915 mm6.3 cm2 in63 mm wider
Width incl. mirrors—no data
Height140 cm4 ft 7 in1,400 mm9.8 cm4 in98 mm taller
Wheelbase272 cm8 ft 11 in2,720 mm27 cm11 in270 mm longer wheelbase
Ground clearance—no data
Boot (seats up)—no data
Boot (seats folded)—no data
Weight—no data
Porsche 911 9922019–present · Coupe
Length454.2 cm14 ft 11 in4,542 mm26.8 cm11 in268 mm shorter
Width185.2 cm6 ft 1 in1,852 mm6.3 cm2 in63 mm narrower
Width incl. mirrors203.3 cm6 ft 8 in2,033 mm 
Height130.2 cm4 ft 3 in1,302 mm9.8 cm4 in98 mm lower
Wheelbase245 cm8 ft 0 in2,450 mm27 cm11 in270 mm shorter wheelbase
Ground clearance—no data
Boot (seats up)135 L US cu ft, converted 
Boot (seats folded)—no data
Weight1,520 kg DIN 

Dimensions may vary by trim, market and model year. For guidance only — check with the manufacturer before you buy. Sources are listed on each car's page.

Ford Mustang (2023) vs Porsche 911 (2019): the differences

Will they fit? UK parking bay and garage

CarParking bay 4.8 × 2.4 mSingle garage, 7 ft door
Ford Mustang (2023)Doesn't fitDoesn't fitcheck my garage
Porsche 911 (2019)Fits, but tightFits, but tightcheck my garage

Assumes a UK standard parking bay of 4.8 × 2.4 m and a typical UK single garage of 4.8 × 2.4 m inside (2.1 m high) with a 7 ft × 6 ft 6 in (213 × 198 cm) up-and-over door. Where we have no width-with-mirrors figure we add 20 cm to the body width. “Comfortably” leaves about 60 cm to walk round and open a door; “tight” means it goes in but getting out is awkward. Garages and bays vary a lot — measure yours and use the garage fit checker. For guidance only.

See the full specifications and sources: Ford Mustang (2023) · Porsche 911 (2019). Dimensions may vary by trim, market and model year.

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