1970 Ford Mustang — Mach 1, Boss 302, Boss 429

A 1970 Ford Mustang marks the End of the first generation of Mustang muscle cars. (The first generation technically continued until 1973, but 1970 was the last year of unrestricted high performance). Ford produced 190,727 units In 1970—less than in 1969 (decline of the pony car market), but with significant production of the performance versions. Visually, the 1970 model returns to having... 2 headlights (The 1969 model had 4), with decorative side air intakes that change the character of the bodywork. In 2026, European prices for a 1970 Mustang range between 38 000 € (Base 6-cyl coupe) and more than €600,000 (Boss 429, numbers-matching).

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What changes in 1970 vs 1969

Significant visual and mechanical differences:

HeadlightsThey return to 2 large headlights (1969 had 4 quad headlights). The entrances where the additional headlights were located are now... false air intakes decorative
Longer body (4.79 m vs 4.75 m in 1969)
Redesigned rear bumper with integrated lights
Mach 1New black front grille with integrated fog lights (instead of the simple 1969 grilles)
351 cc Windsor engine It replaces the 351 Cleveland in some versions.
Boss 302: refined engine with a new cylinder head, now produces a claimed 290 hp (the same figure as in 1969)
Boss 429: last year of production, only 499 units (in 1969 there were 859)
Sportsroof option (instead of “Fastback”) — same body, new marketing name

Engines available in 1970

Engine	Engine capacity	Announced power	Version
200 ci I6	3.3 L	115 cv	Base
250 ci I6	4.1 L	155 cv	Improved I6
302 ci 2V V8	4.9 L	220 cv	Base V8
351 ci 2V Windsor V8	5.8 L	250 cv	Standard V8
351 ci 4V Cleveland V8	5.8 L	300 hp	V8 performance Mach 1
428 Cobra Jet	7.0 L	335 cv (actual 410 cv)	Mach 1 / Shelby GT500
428 Super Cobra Jet	7.0 L	335 hp (actual 425 hp)	Mach 1 Drag Pack
Boss 302 V8	4.9 L	290 cv	Boss 302
Boss 429 V8	7.0 L	375 cv (actually 500+ cv)	Boss 429 (499 units)

O 428 Super Cobra Jet The Drag Pack version is the most sought-after for real-world use: even higher torque, increased oil diameter, CE-engineered connecting rod for high RPM.

2026 Prices in Europe

Version	Average Price in the EU in 2026	Great price, in excellent condition
1970 Coupé 6-cylinder	38,000 – 50,000 €	65 000 €
1970 Coupé V8 302/351	50,000 – 70,000 €	90 000 €
1970 Sportsroof V8	65,000 – 95,000 €	130 000 €
1970 Cabriolet V8	70,000 – 105,000 €	145 000 €
1970 Mach 1 (351 Cleveland)	80,000 – 130,000 €	180 000 €
1970 Mach 1 428 Cobra Jet	130,000 – 220,000 €	300 000 €
1970 Boss 302	€160,000 – €260,000	360 000 €
1970 Shelby GT350 (last 600 units)	150,000 – 220,000 €	300 000 €
1970 Shelby GT500 (last 600 units)	200,000 – 300,000 €	420 000 €
1970 Boss 429	450,000 – 700,000 €	1 200 000 €+

Prices include import + EU VAT + Portuguese registration.

Economy: €50,000-€150,000 vs. Portugal.

Mach 1 1970 — the most popular version

A Mach 1 1970 It is the most popular "mass-market" performance version of the model year, with 40,970 units produced. Distinctive characteristics:

Black front grille with integrated fog lights.
“Shaker hood scoop” Optional on the 428 Cobra Jet (air intake goes through the hood, vibrates with the engine)
Matte black side stripes with "Mach 1" lettering.“
Standard rear spoiler (optional additional front spoiler)
Standard high-back seats
Black interior vinyl or "Knitted Vinyl" pattern

Mach 1 with 428 Cobra Jet + Drag Pack is considered the best buy 1970 Mustang For use and investment: massive torque (459 lb-ft), strong appreciation (+95 % between 2018-2026 according to Hagerty), 428 engine known for its reliability.

Boss 429 — the most sought-after Mustang of all

A Boss 429 1970 This is the final year of production for this legendary version:

Only 499 units produced in 1970 (plus 859 in 1969 — total 1,358)
429 ci semi-Hemi “Boss 9” engine — developed for Ford's NASCAR homologation.
Polished aluminum head, transistorized ignition, functional NACA scoop cap.
Advertised power: 375 hp, estimated actual power: 375 hp 500-525 hp
Production by hand by Kar Kraft (a specialized Ford subsidiary)
It wasn't sold with air conditioning (the engine was too big).

Value 2026: 450 000-700 000 € condition of use, 1.2 million euros+ Show condition. Mecum/Barrett-Jackson 2024-2025 auctions recorded sales up to 1.8 million euros for exceptional units.

How to import a Boss 302/429 or Mach 1 to Portugal

The 1970 Mustang has 56 years old in 2026, classical regime HS Code 9705 guaranteed:

EU Customs: 0 %
Portuguese ISVISV (Vehicle Tax) calculated based on engine displacement; indicative values, to be confirmed with the Tax Authority.
IMT Approval€1,500-€2,500, 3-4 months
Maritime transport: €2,200-€3,500 (Boss 429 requires secure dedicated container)

What Autozilla Does for You

Specialized Sourcing Boss 302, Boss 429, Mach 1 in the USA
Numbers-Matching Verification with Marti Report Elite (critic for Boss 429)
Pre-purchase inspection On-site in the USA with a Boss 429 specialist — paid service upon request.
Safe maritime transport in a dedicated container
IMT Approval + full registration

Request a custom simulation for a Boss 429 or Mach 1 →

Frequently Asked Questions

What is the price of a 1970 Ford Mustang Boss 302 in Portugal? In 2026, a 1970 Boss 302 with matching numbers will cost €160,000–€260,000 in Portugal (show condition can reach €360,000). Prices include import tax + VAT + registration.

What is the difference between a 1969 and a 1970 Mustang? Visually: the 1969 model has 4 headlights, the 1970 model reverts to 2 headlights with decorative false air intakes. The 1970 body is slightly longer (4.79 m vs 4.75 m). Mechanically: the 1970 model loses some smaller engines and introduces refinements to the Boss 302. The 1970 Boss 429 is rarer (499 units vs 859 in 1969).

Is the 1970 Mustang Boss 429 the rarest? It's not the absolute rarest, but it's one of the rarest: only 499 units in 1970 (859 in 1969 — total 1,358). The 1967 Shelby Super Snake is rarer (1 unit), as is the 1965 GT350R (36 units). But the Boss 429 is the most sought after by Mustang muscle car collectors — regular auctions exceeding €1 million in 2024-2025.

What is a Mach 1 428 Cobra Jet? The Mach 1 is the "mass-market" performance version of the Mustang. With the 428 ci Cobra Jet engine (7 liters, 335 hp advertised / 410 hp real), it becomes the ideal version for real-world use. Drag Pack Option It adds the 428 Super Cobra Jet engine (425 hp), Traction-Lok differential, and reinforced oil lines. Price in 2026: €130,000-€220,000.

Is a 1970 Mustang reliable for touring? It depends on the version. Coupé V8 302/351 and Mach 1 351 Cleveland: very reliable, Normal maintenance. Mach 1 428 Cobra Jet: reliable but high fuel consumption (16-20 L/100 km) and the engine requires quality oil. Boss 302: high-revving engine, requires attention. Boss 429: complex, should be used moderately (not designed for daily use).

Can I convert a base 1970 Mustang into a "Mach 1"? Technically yes, with the visual kit (stripes, grille, spoilers), but the VIN doesn't change It will always be a base Coupé. Genuine Mach 1s have a specific code in the VIN. "Cloning" is legal but Depreciates vs. Original Mach 1 — approximately 40-60 % less. Autozilla focuses on original Mach 1s.

How much is the ISV (Vehicle Tax) for a Boss 429 in Portugal? The Boss 429 (7-liter V8) has customs classification as a collector's item (≥ 30 years, NC 9705); ISV (Vehicle Tax) is calculated based on engine displacement, indicative values, to be confirmed with the Tax Authority. VAT (23 % in Portugal) is due upon arrival at customs and significantly impacts the total.

Is a 1970 Mustang a better buy than a 1969 one? It depends on the objective. For a more aesthetically aggressive look: 1969 (4 headlights). For the rarer Boss 429: 1970 (only 499 units). For pure investment: 1969 appreciates faster (+85 % vs +70 % for 1970 between 2018-2026). For less extreme use and look: 1970 is more elegant.

See also: 1965 Ford Mustang · 1966 Ford Mustang · 1967 Ford Mustang · 1969 Ford Mustang · Ford Mustang Shelby · Guide to Importing a Car from the U.S. · Available stock