The AMC Concord 24 represents a distinctive mid sized sedan from the final days of the American Motors Corporation era. Built for the 1978 and 1979 model years, this model combined efficient inline six power with a more formal roofline than its Matador predecessor.
Designed as a volume answer to domestic competitors, the Concord 24 emphasized durability, value engineering, and a quieter ride than earlier family sedans. Understanding its engineering choices, market positioning, and ownership experience helps explain why it remains relevant among classic American cars.
| Model Year | Engine Option | Drivetrain | Key Trim Level | MSRP (Approx.) |
|---|---|---|---|---|
| 1978 | 258 cu in I6 | 3-speed automatic | DL | $6,731 |
| 1978 | 304 cu in V8 | 3-speed automatic | DL | $7,209 |
| 1979 | 258 cu in I6 | 3-speed automatic | DL, Brougham | $6,951 |
| 1979 | 304 cu in V8 | 3-speed automatic | Brougham | $7,328 |
1978 258 I6 Powertrain Details
Standard Engine Specifications
Under the hood, the base Concord 24 relied on the AMC 258 cu in inline six, a robust iron block unit known for torque and longevity. Carbureted for broad compatibility, this engine paired smoothly with the A998 three speed automatic transmission and the standard rear live axle.
Performance and Efficiency
Driving Dynamics
With the 258 I6, owners experienced steady highway passing and relaxed city cruising, while the 304 V8 option added confident merging power and a sportier character. Fuel economy in practice ranged from low teens to mid teens for the six cylinder, dipping into the single digits when the V8 was selected.
Interior Comfort and Trim Levels
Brougham and DL Appointments
Inside, the Concord 24 offered notchback bench seating with vinyl or cloth, woodgrain accents on selected trims, and a quieter cab thanks to improved insulation. The Brougham package elevated the experience with extra sound deadening, upgraded upholstery, and concealed headrests, making longer drives more comfortable.
Maintenance Reliability
Service History Highlights
Mechanics generally regard the Concord 24 as dependable, with common concerns centering on rust around wheel wells and undercarriage mounting points. Regular oil changes, cooling system service, and attention to the automatic transmission fluid contribute to high mileage reliability for well maintained examples.
Owning a Concise Guide
- Verify underbody condition to avoid surprises from road salt damage
- Confirm service records for automatic transmission fluid changes
- Inspect rubber door and window seals for aging or leaks
- Consider protective coatings for exposed frame and rocker panels
- Budget for parts availability and potential body shop time
FAQ
Reader questions
What is the most common engine found in a Concord 24?
The most common engine is the AMC 258 cu in inline six, which served as the base powerplant for most 1978 and 1979 models.
Does the Concord 24 come with rear wheel drive only?
Yes, all Concord 24 models were equipped with rear wheel drive, using a live axle setup paired with a three speed automatic transmission.
How does the fuel economy compare between the I6 and V8 versions?
The inline six typically returned better fuel economy, often in the mid teens MPG, while the 304 V8 generally fell into the low to mid teens depending on driving style.
Are replacement doors and fenders easy to find for this model?
Yes, replacement parts are generally accessible through classic car parts suppliers, body specialists, and online marketplaces for AMC components.