Exact configuration / US market

1968 / 1968 source-defined model group / Not recorded for this source group

Plymouth Road Runner2-dr. Hardtop

1968 Plymouth Road Runner: 2-dr. Hardtop.

01 / Key facts

Technical specifications

Facts are grouped by system. Expand any row to inspect evidence and its exact source locator.

Identity

2/11

Model year: 1968
Verified
Plymouth announces new Road Runner2-dr.Hardtop:1968 one-quarter
PDF2 lower-left announcement explicitly Road Runner2-dr.Hardtop and1968 quarter; PDF3 heading distinguishes it from the existing Coupe
Market: Not recorded
Body style: Not recorded
Doors: Not recorded
Seating capacity: Not recorded
Chassis / platform code: Not recorded
Factory grade: Not recorded
Manufacturer code: Not recorded
EPA vehicle class: Not recorded
FuelEconomy.gov record: Not recorded
Original model / body group: Road Runner 2-dr. Hardtop
Verified
Plymouth announces new Road Runner2-dr.Hardtop:1968 one-quarter
PDF2 lower-left announcement explicitly Road Runner2-dr.Hardtop and1968 quarter; PDF3 heading distinguishes it from the existing Coupe

Powertrain

0/22

Powertrain layout: Not recorded
Powertrain type: Not recorded
Engine: Not recorded
Engine description: Not recorded
Engine code: Not recorded
Engine position: Not recorded
Cylinders: Not recorded
Displacement: Not recorded
Bore: Not recorded
Stroke: Not recorded
Compression ratio: Not recorded
Valves: Not recorded
Induction: Not recorded
Fuel delivery: Not recorded
Fuel: Not recorded
Alternate fuel: Not recorded
Stop-start system: Not recorded
Engine power: Not recorded
Power speed: Not recorded
Engine torque: Not recorded
Torque speed: Not recorded
Redline: Not recorded

Transmission

0/8

Transmission: Not recorded
Transmission code: Not recorded
Transmission type: Not recorded
EPA transmission descriptor: Not recorded
Forward ratios / speeds: Not recorded
Driven wheels: Not recorded
Differential: Not recorded
Transfer case: Not recorded

Gearing

0/19

1st gear: Not recorded
2nd gear: Not recorded
3rd gear: Not recorded
4th gear: Not recorded
5th gear: Not recorded
6th gear: Not recorded
7th gear: Not recorded
8th gear: Not recorded
9th gear: Not recorded
10th gear: Not recorded
CVT lowest ratio: Not recorded
CVT highest ratio: Not recorded
Reverse: Not recorded
Final drive: Not recorded
Front final drive: Not recorded
Rear final drive: Not recorded
Secondary reduction: Not recorded
Transfer-case high range: Not recorded
Transfer-case low range: Not recorded

Chassis and steering

0/7

Frame / construction: Not recorded
Front suspension: Not recorded
Rear suspension: Not recorded
Steering: Not recorded
Steering ratio: Not recorded
Turns lock-to-lock: Not recorded
Turning circle: Not recorded

Brakes

0/6

Brake system: Not recorded
Front brakes: Not recorded
Rear brakes: Not recorded
Front rotor diameter: Not recorded
Rear rotor diameter: Not recorded
Anti-lock braking: Not recorded

Wheels and tires

0/8

Wheels: Not recorded
Front wheel: Not recorded
Rear wheel: Not recorded
Front tire: Not recorded
Rear tire: Not recorded
Wheel fastener torque: Not recorded
Front cold tire pressure: Not recorded
Rear cold tire pressure: Not recorded

Replacement fitment

0/22

Wheel bolt pattern: Not recorded
Center bore: Not recorded
Front wheel offset: Not recorded
Rear wheel offset: Not recorded
Wheel fastener thread: Not recorded
Spare tire: Not recorded
Driver-side wiper: Not recorded
Passenger-side wiper: Not recorded
Rear wiper: Not recorded
12 V battery specification: Not recorded
12 V battery group / size: Not recorded
Low-beam bulb: Not recorded
High-beam bulb: Not recorded
Fog-lamp bulb: Not recorded
Front turn-signal bulb: Not recorded
Rear turn-signal bulb: Not recorded
Brake-lamp bulb: Not recorded
Reverse-lamp bulb: Not recorded
Engine air-filter fitment: Not recorded
Cabin air-filter fitment: Not recorded
Engine oil-filter fitment: Not recorded
Engine oil drain washer: Not recorded

Dimensions and capacity

0/13

Overall length: Not recorded
Overall width: Not recorded
Overall height: Not recorded
Wheelbase: Not recorded
Front track: Not recorded
Rear track: Not recorded
Ground clearance: Not recorded
Curb weight: Not recorded
Weight distribution: Not recorded
Passenger volume: Not recorded
Cargo volume: Not recorded
Payload: Not recorded
Drag coefficient: Not recorded

Load and utility

0/13

GVWR: Not recorded
Front GAWR: Not recorded
Rear GAWR: Not recorded
GCWR: Not recorded
Maximum trailer weight: Not recorded
Maximum tongue load: Not recorded
Maximum roof load: Not recorded
Cargo-bed length: Not recorded
Cargo-bed width: Not recorded
Cargo-bed depth: Not recorded
Cargo-floor length: Not recorded
Cargo-area width: Not recorded
Cargo-area height: Not recorded

Fluids and capacities

0/16

Fuel tank: Not recorded
Engine oil capacity: Not recorded
Engine oil with filter: Not recorded
Engine oil without filter: Not recorded
Conditional engine oil refill: Not recorded
Coolant capacity: Not recorded
Automatic transmission fluid capacity: Not recorded
CVT fluid capacity: Not recorded
DCT fluid capacity: Not recorded
Manual transmission fluid capacity: Not recorded
Differential oil capacity: Not recorded
Front differential fluid capacity: Not recorded
Rear differential fluid capacity: Not recorded
Transfer-case fluid capacity: Not recorded
A/C refrigerant charge: Not recorded
Washer-fluid capacity: Not recorded

Service specifications

0/17

Minimum fuel octane: Not recorded
Engine oil viscosity: Not recorded
Engine oil specification: Not recorded
Engine oil drain-plug torque: Not recorded
Automatic transmission fluid: Not recorded
CVT fluid: Not recorded
DCT fluid: Not recorded
Manual transmission fluid: Not recorded
Coolant specification: Not recorded
Differential fluid: Not recorded
Transfer-case fluid: Not recorded
Brake fluid: Not recorded
Power-steering fluid: Not recorded
A/C refrigerant type: Not recorded
Spark-plug type: Not recorded
Spark-plug gap: Not recorded
Spark-plug torque: Not recorded

Efficiency

0/6

EPA city: Not recorded
EPA highway: Not recorded
EPA combined: Not recorded
EPA city, alternate fuel: Not recorded
EPA highway, alternate fuel: Not recorded
EPA combined, alternate fuel: Not recorded

Range

0/4

Total range: Not recorded
Alternate-fuel range: Not recorded
Alternate-fuel city range: Not recorded
Alternate-fuel highway range: Not recorded

Emissions

0/4

Tailpipe CO₂: Not recorded
Emissions classification: Not recorded
EPA fuel-economy score: Not recorded
EPA greenhouse-gas score: Not recorded

Safety

0/3

Tire-pressure monitoring: Not recorded
Stability control: Not recorded
Driver-assistance suite: Not recorded

Body

0/2

Roof: Not recorded
Aerodynamic equipment: Not recorded

US safety ratings and recalls

Current NHTSA results for this model year, make, and model. Ratings are shown only for NHTSA-tested variants; recall applicability must be confirmed by VIN.

Loading current NHTSA data…

Sources used

Reviewed manufacturer model and body inventory. Only explicitly supported basic specifications are recorded; optional engines and transmissions remain unknown.

Manufacturer archive

Plymouth announces new Road Runner2-dr.Hardtop:1968 one-quarter

Reviewed manufacturer model and body inventory. Only explicitly supported basic specifications are recorded; optional engines and transmissions remain unknown.

Applies to: All3 pages visually reviewed. PDF2 explicitly announces Road Runner2-dr.Hardtop, born to the Plymouth performance family1968 quarter, and says order yours now/delivery on request. PDF3 calls the Hardtop a new running mate for the existing Coupe and identifies Chrysler Motors Corporation. Exactly one model/body identity is added; no mechanical or option associations imported. PDF2 explicit1968 quarter introduction; original fraction retained as1968 1/4 rather than an invented calendar date PDF3 Chrysler Motors Corporation imprint; order/delivery text onPDF2. No national-edition imprint printed in the scan.
Retrieved: 2026-09-05

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