Short answer: the Porsche 911 (2019) is bigger — it is 7.8 cm3 in78 mm shorter, 16.2 cm6 in162 mm wider and 0.8 cm0.3 in8 mm lower than the Toyota Supra (1986).

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Porsche 911 vs Toyota Supra

Porsche 911 992 · 2019 · CoupeToyota Supra Third generation · 1986 · Liftbackaligned at front bumper + ground · same scale
Porsche 911 · 454.2 cm14 ft 11 in4,542 mmToyota Supra · 462 cm15 ft 2 in4,620 mm Porsche 911 · 130.2 cm4 ft 3 in1,302 mmToyota Supra · 131 cm4 ft 4 in1,310 mm
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Porsche 911 9922019–present · Coupe
Length454.2 cm14 ft 11 in4,542 mm7.8 cm3 in78 mm shorter
Width185.2 cm6 ft 1 in1,852 mm16.2 cm6 in162 mm widervaries by version
Width incl. mirrors203.3 cm6 ft 8 in2,033 mm 
Height130.2 cm4 ft 3 in1,302 mm0.8 cm0.3 in8 mm lower
Wheelbase245 cm8 ft 0 in2,450 mm14.6 cm6 in146 mm shorter wheelbase
Ground clearance—no data
Boot (seats up)135 L US cu ft, converted 
Boot (seats folded)—no data
Weight1,520 kg DIN60 kg heavier
Toyota Supra Third generation1986–1993 · Liftback
Length462 cm15 ft 2 in4,620 mm7.8 cm3 in78 mm longer
Width169 cm5 ft 7 in1,690 mm16.2 cm6 in162 mm narrowervaries by version
Width incl. mirrors—no data
Height131 cm4 ft 4 in1,310 mm0.8 cm0.3 in8 mm taller
Wheelbase259.6 cm8 ft 6 in2,596 mm14.6 cm6 in146 mm longer wheelbase
Ground clearance—no data
Boot (seats up)—no data
Boot (seats folded)—no data
Weight1,460–1,720 kg60 kg lighter

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.

Porsche 911 (2019) vs Toyota Supra (1986): the differences

Will they fit? UK parking bay and garage

CarParking bay 4.8 × 2.4 mSingle garage, 7 ft door
Porsche 911 (2019)Fits, but tightFits, but tightcheck my garage
Toyota Supra (1986)Fits, but tightDoesn't fitcheck 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: Porsche 911 (2019) · Toyota Supra (1986). Dimensions may vary by trim, market and model year.

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