1970 AMC AMX
AMX · Final year of the two-seat AMX — after 1970 AMX became a Jav... · The last true AMX — and the most powerful one ever built
Highly Collectible
Production & Overview
Total Production
4,116
Original MSRP
$3,395
Assembly Plants
Kenosha, WI
Wheelbase
97 inches
Body Styles
2-Door Fastback (2-seat)
Curb Weight
3,210 lbs
Notable Packages & Production
Mark Donohue Edition — Mark Donohue
3-4x base
284
produced
Available Engines
360 360ci — V8
New 360ci option
290 hp
390 390ci — V8
Top engine — increased output for 1970
325 hp
Buyer Checklist
⚠ Clone warning: Mark Donohue Edition commands significant premium. Always verify with cowl tag, engine stamp, and registry before purchase.
Verify two-seat configuration
Mark Donohue Edition — verify specific badging, spoiler, and paint
Decode cowl tag for all options
Inspect floor pans and unibody for rust
Check engine suffix code
Very low production — verify VIN sequence
Check all AMC-specific trim
Road test all systems
Verify correct rear axle ratio
Inspect for correct AMX-specific badging
Known Problem Areas
AMC parts scarcity — increasing every year
Unibody rust
Mark Donohue Edition fraud
Engine swaps
What Drives Value
↑ Increases Value
Mark Donohue Edition documented — 284 produced
390 4-speed documented
Last year two-seat AMX premium
Extremely low production year
↓ Decreases Value
Mark Donohue fraud
Non-matching engine
Unibody rust
Missing AMC trim
Restoration Overview
Difficulty
Very High — parts increasingly unavailable
Parts Availability
Poor
Driver Quality Cost
$30,000 – $60,000
Show Quality Cost
$70,000 – $140,000
Key Suppliers
AMC World · AMC specialty vendors
Pop Culture & Legacy
The final two-seat AMX — end of an era
Mark Donohue Edition honored AMC's Trans-Am racing champion
Rarest production year makes this a serious collector car
Other AMC AMX Years