Alfa Romeo 4C Dimensions & Size

How much cargo space and room does a 2020 Alfa Romeo 4C really have?

The 2021 Alfa Romeo 4C measures 157.1 in long, 73.6 in wide, 46.5 in tall, on a 93.7 in wheelbase, with a curb weight of about 2,487 lbs.

Looking for weight? See the Alfa Romeo 4C curb weight page — this page covers length, width, height and wheelbase.

Latest model year (2020):

The Alfa Romeo 4C measures 157.1 in long, 73.6 in wide and 46.5 in tall, on a 93.7 in wheelbase, weighing about 2,487 lbs.

VerifiedNHTSA Canadian Vehicle Specifications · Verified September 18, 2026

Alfa Romeo 4C Dimensions — All Years

YearBody / VariantLengthWidthHeightWheelbaseCurb Weight
20214C 2DR SPIDER157.1 in73.6 in46.5 in93.7 in2,487 lbs
20204C 2DR SPIDER157.1 in73.6 in46.5 in93.7 in2,487 lbs
2019Config 1 of 24C 2DR SPIDER157.1 in73.6 in46.5 in93.7 in2,487 lbs
2019Config 2 of 24C 2DR COUPE157.1 in73.6 in46.5 in93.7 in2,465 lbs
2018Config 1 of 24C 2DR SPIDER157.1 in73.6 in46.5 in93.7 in2,487 lbs
2018Config 2 of 24C 2DR COUPE157.1 in73.6 in46.5 in93.7 in2,465 lbs
2017Config 1 of 24C 2DR SPIDER157.1 in73.6 in46.5 in93.7 in2,487 lbs
2017Config 2 of 24C 2DR COUPE157.1 in73.6 in46.5 in93.7 in2,465 lbs
2016Config 1 of 24C 2DR SPIDER157.1 in73.6 in46.5 in93.7 in2,487 lbs
2016Config 2 of 24C 2DR COUPE157.1 in73.6 in46.5 in93.7 in2,465 lbs
2015Config 1 of 24C 2DR SPIDER157.1 in73.6 in46.5 in93.7 in2,487 lbs
2015Config 2 of 24C 2DR COUPE157.1 in73.6 in46.5 in93.7 in2,465 lbs

Dimensions sourced from the NHTSA Canadian Vehicle Specifications database. Figures are measured per body style and can vary slightly by trim, wheel package, and suspension.

Alfa Romeo 4C data analysis

How Alfa Romeo 4C overall length varies

Across 12 configurations recorded for the 2015 through 2021 Alfa Romeo 4C, overall length runs from 157 inches to 157 inches. The strongest figure belongs to the 2015 Alfa Romeo 4C (4C 2DR COUPE) at 157 inches, and the weakest to the 2021 car (4C 2DR SPIDER) at 157 inches — a spread of 0%. The narrow spread means any year of the Alfa Romeo 4C in this table behaves much like the others, so you can shop on price, condition and mileage rather than chasing a particular model year.

What changed for 2021

Average overall length for the 2021 Alfa Romeo 4C is 157 inches, against 157 inches for the 2020 car — it held flat. A carry-over year like this usually means no powertrain or structural change, so an older example is the cheaper way into the same specification.

How to read this Alfa Romeo 4C data

This page lists every 2015 through 2021 Alfa Romeo 4C record we hold for this measurement — 12 rows in total, one per configuration and model year rather than a single headline figure. Figures are published as the source agency records them: we do not round, average or interpolate missing years, and a year that is absent from the table is a year with no published measurement rather than a zero. Where a manufacturer offered several drivetrains or body styles in the same year, each appears on its own row, because those variants rarely share the same numbers.

Configurations behind these Alfa Romeo 4C numbers

The 2015 through 2021 Alfa Romeo 4C entries here cover the variants 4C 2DR SPIDER and 4C 2DR COUPE. 2019 is the busiest model year in the record with 2 separate measured configurations, which is why a single quoted overall length figure for that year is rarely the one that matches the car in front of you. Match the row to the exact drivetrain, body style and engine on the window sticker or VIN before relying on the number, and use the comparison links below to see how those same configurations line up against rival models.

Where these Alfa Romeo 4C figures come from

Every value on this page is loaded from federal open data — EPA fuel economy submissions, NHTSA vehicle and crash-test records, and manufacturer specification filings — rather than dealer listings or copied editorial content. The Alfa Romeo 4C record refreshes as the agencies publish, which typically means new model-year rows appear in the autumn and crash-test results follow through the model year as vehicles are tested. Because certification data is filed per configuration, treat any single headline number for this vehicle with caution: the figure that applies to a specific car depends on its engine, drivetrain, body style and model year, all of which are listed separately above. If a number here disagrees with a brochure, the brochure is usually quoting the best available configuration rather than the one being sold.

Will the Alfa Romeo 4C fit your garage and parking space?

Measured against a standard single garage door (8 ft wide, 7 ft tall, 20 ft deep stall) and a standard US surface parking space (9 ft x 18 ft). Measure your own opening before buying — older garages are frequently narrower.

Garage door width
Fits

73.6 in wide (body only, mirrors folded) — about 22.4 in of total clearance, so roughly 11 in per side.

Garage door height
Clears

46.5 in tall — 37.5 in of headroom before roof rails, antennas, or a roof box are added.

Parking space
Fits a standard stall

157.1 in long leaves 58.9 in to spare in an 18 ft space, and 34.4 in of side clearance in a 9 ft one.

Its wheelbase (93.7 in) accounts for about 60% of overall length. A higher share generally means shorter overhangs — better approach and departure clearance on driveways and ramps, and more cabin space for the same parking footprint.

Want to see it against another vehicle at the same scale? Open the car size comparison tool or check the Alfa Romeo 4C curb weight to pair footprint with mass.

Frequently Asked Questions About 4C Dimensions

How long is the Alfa Romeo 4C?

The Alfa Romeo 4C is 157.087 inches long, 73.622 inches wide and 46.4567 inches tall. That is roughly 13.1 feet — compare it with your garage depth before buying.

Will the Alfa Romeo 4C fit in a standard garage?

A standard single-car garage is about 20 feet (240 in) deep and 10 feet (120 in) wide. At 157.087 in long and 73.622 in wide, the Alfa Romeo 4C fits with 83 in of room to spare front-to-back. Remember to allow for mirrors and door swing.

How much does the Alfa Romeo 4C weigh?

Curb weight for the Alfa Romeo 4C is about 2,487 lbs. Curb weight excludes passengers and cargo, so add roughly 150 lbs per occupant when calculating payload.

View full Alfa Romeo 4C specs

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