1965 Pontiac Mid-Size Car Facts, Figures, and Specifications
Five Fast Facts You May Not Know
1965 Pontiac Mid-Size Cars – Refined in Styling
Mid-size Pontiac design changes for 1965 included vertically stacked headlamps, crisper side body sculpturing, and more deeply recessed grilles. The car appeared slimmer and more aggressive, though it sat on the same chassis as 1964.While still a Tempest Le Mans, the famous GTO option package was now accepted as a mid-size performance car at GM. Its formula of full-size V-8 in a mid-size car was mimicked by Chevrolet, Oldsmobile and Buick this year.
1965 Pontiac Mid-Size Car Resources
Equipment or products directly related to this car. Click to view:
Got a 1965 GTO? You Need This Book!
The PONTIAC
GTO/GT-37 GUIDE
By Eric White*
Every single fact and part number!
Covers 1964-1974 & 2004 GTO and 1970-1971 GT-37. 126 pages • Downloadable PDF
$19.95 *$5 goes to the Auto History Preservation Society in Eric’s name!
CLICK HERE To BUY!
1965 Pontiac Mid-Size Car Facts – Body Paint Color Codes
Click on the Paint Code Name to See the Mix Codes for the appropriate color:
1965 Pontiac Mid Size
Collector Car Insurers
Click on the links below to find your car’s value or get a quote:
1965 Pontiac Mid-Size Car Facts and Specifications
General Year Information – 1965 Pontiac Mid-Size Cars
Tempest/LeMans
Engine offerings for the 1965 Tempest were the same as 1964, except the 326 HO was uprated to 285 HP. The Tempest model lineup, including the GTO, was restyled for the 1965 model year, adding 3.1 inches to the overall length while retaining the same wheelbase and interior dimensions. It now had Pontiac’s characteristic vertically stacked quad headlights as a signature feature. Overall weight was increased by about 100 pounds. A two-door hardtop coupe was added to the Tempest Custom line, while the LeMans got a four-door sedan with a plush interior done in Preston Cloth trim similar to the full-sized Bonneville Brougham.
Series numbers changed this year – 233 = Tempest (base), 235 = Tempest Custom, 237 = LeMans and LeMans GTO
Production was solid with Tempest at 39,525, Tempest Custom with 84,653, and LeMans producing 107,553.
GTO Option
Like the tempest/LeMans line, the GTO received Pontiac’s characteristic vertically stacked quad headlights as a signature feature. Heavy-duty shocks were standard, as was a stronger front anti-sway bar. The dashboard design was changed, and an optional rally gauge cluster added a more legible tachometer and oil pressure gauge. The restyled car had a new simulated hood scoop. A dealer-installed option consisted of a metal under hood pan and gaskets mated to an opened hood scoop, making a true cold air intake. The scoop was low, and its effectiveness was questionable, as it was only likely to pick up boundary layer air, but it did allow an enhanced engine sound. The black grille was new.
The 389 CID engines received revised cylinder heads with re-cored intake passages and higher-rise ports and intake manifolds, improving airflow to the engine. Rated power increased to 335 HP for the base four-barrel engine, and the Tri-Power engine was now rated 360 HP. The S Code Tri-Power engine had slightly less peak torque rating than the base engine 424 lb⋅ft, as compared to 431 lb⋅ft. Transmission and axle ratio choices remained the same. The three-speed manual was standard, while two four-speed manual transmissions (wide or close ratio) and a two-speed automatic transmission were optional. An additional option was a breakerless transistor ignition. Significantly, the brake lining area increased by nearly 15%.
Sales of the GTO more than doubled to 75,352.
1965 Pontiac Mid-Size Car Factoids
Click a Tab to See the Details
Pontiac redesigned the performance cylinder head for the 389 and 421 CID V-8 for 1965. The ports were raised and enlarged, and the intake manifolds were also redone to take advantage of the new heads. They were marked with #77 and had the Casting Number 9778777.
The Tri-Power engines received a more aggressive camshaft this year. The new camshaft timing was: Intake 288°, Exhaust 302°, Overlap 63°, Lift 0.406″ (intake) 0.408″ (exhaust).
1965 Pontiac Mid-Size Car Facts – Models Offered
Click a Tab to See the Details
Tempest – Series 233 – There were three lines in this series: 4-door sedan, 2-door sport coupe, and Safari wagon. Base models in the 233 Series were identified by the absence of upper belt-line moldings and plainer interior trims. Vinyl rubber floor mats were used.
Standard equipment included heater and defroster, electric wipers, seat belts. turn signals and five black tubeless tires. Safari station wagons came with 7.35 x 14 oversized tires as regular equipment. Cars with optional V-8 power were dressed with front fender badges displaying “326”.
Tempest models were 2-door Sport Coupe, 4-door Sedan, and 6-passenger Station Wagon.
Tempest Custom – Series 235 – Tempest Custom models had the same general styling features as base the base Tempest and had bright upper belt-line moldings to accent the wasp-waist shaped body styling. Standard extras included carpeting and Deluxe steering wheel. The Tempest Custom convertible had courtesy lamps as standard. Cars with optional V-8 power were dressed with front fender badges displaying “326”.
Tempest Custom models were 2-door Sport Coupe, 2-door Hardtop Coupe, 4-door Sedan, Convertible, and 6-passenger Station Wagon.
LeMans – Series 237 – Special identifying features seen on the Tempest LeMans models included grilled-over tail lamps. “LeMans” on front fender nameplates, “LeMans” in block lettering on the sides of rear fenders, and simulated louvers behind front wheel cutouts on two-door models. All features found on the Tempest Custom were found as standard equipment, as well as vinyl interior trim, custom foam front seat cushions, front bucket seats on two-door styles and power-operated folding tops on LeMans convertibles.
Cars with optional V-8 power were dressed with front fender badges displaying “326”. LeMans modes were 2-door Sport Coupe, 2-door Hardtop Coupe, 4-door Sedan, and Convertible.
NOTE: The GTO option was part of the LeMans Series but covered separately here.
GTO Option – Series 237 – The GTO was an option on the Series 237 Tempest LeMans Series. It was available on Models 2227 (Sports Coupe) 2237 (Hardtop Coupe) and 2267 (Convertible). It was not available on Safari station wagons. The GTO was not yet a separate series, it was merely an option group. Cars equipped with the GTO option had as standard 389 CID V-8 power.
Special identification features on GTO models replaced most items seen on LeMans Tempests. This included “GTO” lettering on the grille, rear fender sides and deck lid, a new streamlined hood scoop and V-shaped GTO badges behind the front wheel openings.
LeMans GTO models were 2-door Sport Coupe, 2-door Hardtop Coupe, and Convertible.
1965 Pontiac Mid-Size Car Facts – The GTO option package included:
-
- The 389 cubic inch high-performance V-8
- Special GTO nameplates for the grille, fenders, deck lid and glove box door.
- Simulated engine-turned aluminum dash panel inserts.
- Single air scoops on the hood.
- Ride and handling package
- See Brochure for complete list – Click HERE.
1965 Pontiac Mid-Size Car Facts – Engines
Click a Tab to See the Details
215 CID I-6 – All Transmissions. Overhead valves. Cast iron block. Seven main bearings.
Displacement: 215 cubic inches.
Bore and stroke: 3.75 x 3.25 inches.
Compression ratio: 8.6:1.
Horsepower: 140 @ 4400 RPM.
Torque: 206 @ 2200 RPM.
Valve lifters: Hydraulic.
Camshaft timing: Intake 252°, Exhaust 252°, Overlap 38°, Lift 0.334″.
Carburetor: Rochester one-barrel model (manual transmission) 7025167 (automatic transmission) 7025168.
NOTE: Standard Tempest, Tempest Custom and LeMans. Not Available GTO.
326 CID 2-Barrel V-8 – All Transmissions. Overhead valves. Cast Iron Block. Five main bearings.
Displacement: 326 CID.
Bore and stroke: 3.72″ x 3.75″
Compression ratio: 9.2:1.
Horsepower: 250 @ 4600 RPM.
Torque: 333 @ 2800 RPM.
Valve lifters: Hydraulic.
Camshaft timing: Intake 269°, Exhaust 277°, Overlap 47°, Lift 0.370″.
Carburetor: Rochester 2-barrel (manual transmission) 7025071 (automatic transmission) 7025062.
NOTE: Optional Tempest, Tempest Custom and LeMans. Not Available GTO.
326 CID 4-Barrel V-8 – All Transmissions. Overhead valves. Cast Iron Block. Five main bearings.
Displacement: 326 CID.
Bore and stroke: 3.72″ x 3.75″
Compression ratio: 10.5:1.
Horsepower: 285 @ 5000 RPM.
Torque: 359 @ 2900 RPM.
Valve lifters: Hydraulic.
Camshaft timing: Intake 269°, Exhaust 277°, Overlap 47°, Lift 0.370″.
Carburetor: Carter AFB 4-barrel (manual transmission) 3899S, (automatic transmission) 3900S.
NOTE: Optional Tempest, Tempest Custom and LeMans. Not Available GTO.
389 CID 4-Barrel V-8 , All Transmissions. Overhead valves. Cast iron block. Five main bearings.
Displacement: 389 CID.
Bore and stroke: 4.0625″ x 3.750″.
Compression ratio: 10.75:1.
Horsepower: 335 @ 5000 RPM.
Torque: 431@ 3200 RPM.
Valve lifters: Hydraulic.
Camshaft timing: Intake 273°, Exhaust 289°, Overlap 54°, Lift 0.406″.
Carburetor: Carter AFB 4-Barrel Model (manual transmission) 3895S, (automatic transmission) 3896S .
NOTE: Available with GTO option only.
389 CID Three 2-Barrel V-8 – All Transmissions: Overhead valves. Cast iron block. Five main bearings.
Displacement: 389 CID.
Bore and stroke: 4.0625″ x 3.750″.
Compression ratio: 10.75:1.
Horsepower: 360 @ 5200 RPM.
Torque: 424 @ 3600 RPM.
Valve lifters: Hydraulic.
Camshaft timing: Intake 288°, Exhaust 302°, Overlap 63°, Lift 0.406″ (intake) 0.408″ (exhaust).
Carburetors: three 2-barrel Rochester carburetors: (front) 7024178, (center manual trans) 7025175, (center auto trans) 7025177, (rear) 7024179.
NOTE: Available with GTO option only.
More detailed information on the 1965 I-6 and 326 and 389 CID V-8 engines may be found in the Library’s 1965 mid-size AMA Specifications Sheets. You may access the sheets HERE.
1965 Pontiac Mid-Size Car Facts – Chassis Features
-
- Wheelbase: 115.0 inches.
- Overall length: (Station Wagons) 204.4 inches, (Passenger cars) 206.2 inches.
- Overall width: 73.1 inches.
- Overall height: 54.0 inches.
- Front track: 58 inches.
- Rear track: 58 inches.
- Standard tires: (I-6) 6.95 x 14, (Station Wagons & V-8s) 7.35 x 14.
- Optional tires: 7.75 x 14..
- Standard tires GTO: 7.75 x 14 Nylon cord red stripe tires mounted on 14 x 6JK rim wheels standard.
- Optional tires GTO: 7.75 x 14 rayon cord white wall.
1965 Pontiac Mid-Size Cars Fact – Powertrains
- Three Speed Manual Transmission Ratios
-
- I-6 1st – 2.94:1, 2nd – 1.68:1, 3rd – 1:1, Reverse – 2.94:1.
- V-8: 1st – 2.58:1, 2nd – 1.48:1, 3rd – 1:1, Reverse – 2.58:1.
- V-8 Heavy Duty: 1st – 2.42:1, 2nd – 1.61:1, 3rd – 1:1, Reverse – 2.33:1 (Synchromesh in all forward speeds).
- Four Speed Manual Transmission Ratios
-
- V-8 All: 1st – 2.56:1, 2nd – 1.91:1, 3rd – 1.5:1, 4th 1:1, Reverse – 2.64:1.
- V-8 All: 1st – 2.56:1, 2nd – 1.91:1, 3rd – 1.5:1, 4th 1:1, Reverse – 2.64:1.
- Automatic Transmission Ratios
-
- All: Low – 1.76:1, High – 1:1, Reverse – 2.49:1.
- Rear Gear Standard Ratios
NOTE: For more powertrain information, access the 1965 Pontiac mid-size AMA Specifications Sheets HERE.
1965 Pontiac Mid-Size Car Facts – Powertrain Options
-
- Three-speed manual transmission was standard.
- Heavy-duty three-speed manual gear box was optional on all 326 CID equipped cars and the GTO.
- Automatic transmission was optional.
- Four-speed manual transmission was optional.
- Close-ratio 4-speed manual box was optional on the GTO.
- 140 HP 215 CID I-6 standard In Tempest, Tempest Custom and Tempest LeMans. Not available GTO option.
- 250 HP 326 CID V-8 optional In Tempest, Tempest Custom and Tempest LeMans. Not available GTO option.
- 280 HP 326 CID V-8 optional In Tempest, Tempest Custom and Tempest LeMans. Not available GTO option.
- 335 HP 389 CID V-8 exclusive to the GTO.
- 360 HP 389 CID V-8 Tri-Power was optional and exclusive on the GTO.
1965 Pontiac Mid-Size Car Facts – Significant Options & Accessories
-
- Air-conditioner ($349).
- Bucket seats ($145).
- Carpets ($19).
- Cordova tops ($72-86).
- Custom sports steering wheel ($39-43).
- Deluxe steering wheel with ring ($15).
- Electric clock ($19).
- GTO option.
- Handling & Ride package ($16).
- LeMans console shift ($48).
- Padded dash ($16).
- Panel cluster and tachometer Rally Gage ($86).
- Parking brake signal ($3).
- Power brakes ($43).
- Power convertible top ($54).
- Power steering ($97).
- Power tailgate window ($54).
- Power tilt bucket seat L.H. ($67).
- Push button radio ($62).
- Push button radio – AM/FM ($137).
- Rally wheels ($36-53).
- Remote control deck lid ($11).
- Safari luggage carrier ($65).
- Safeguard speedometer ($16).
- Super-Life shock absorbers ($40).
- Tachometer ($54).
- Tilt steering wheel with power assist only ($43).
- Two-speed wipers and washers ($17)
- Wheel discs ($20-37).
- White wall tires ($39).
- Wire wheel discs ($54-71).
1965 Pontiac Mid-Size Car Downloads and Images
1965 Pontiac Mid-Size Car Facts – Related Document Downloads
Files directly related to the Pontiac Mid-Size Line will appear below. Click to Download:
1965 Pontiac Performance Brochure
1965 Pontiac Tempest Print Ads
1965 Pontiac Mid-Size AMA Specifications Sheets
1965 Pontiac GTO Road Test – Motor Trend Magazine
1965 Pontiac GTO Road Test – Car Life Magazine
1965 Pontiac Mid-Size Car Facts – Related Images
Related Images to the 1965 Pontiac Mid-Size Line will appear below
1965 Pontiac GTO Convertible
The 1965 Pontiac GTO Convertible was the sexiest of the Tigers, and 11,311 went to hungry buyers,
1965 Pontiac GTO Hardtop Coupe
Easily the most popular GTO, the 1965 Hardtop Coupe was only a short second to the Tempest LeMans with 55,722 sold.
1965 Pontiac GTO Sports Coupe
The 1965 Pontiac GTO Sports Coupe was the most sparse GTO, and was a favorite among racers, but not the street owners. Only 8,319 were delivered.
1965 Pontiac LeMans Convertible
The 1965 Pontiac LeMans Convertible was very sought after with 13,897 finding buyers.
1965 Pontiac LeMans Hardtop Coupe
The 1965 Pontiac LeMans Hardtop Coupe was hugely popular with 60.548 finding customers.
1965 Pontiac LeMans 4-door Sedan
The 1965 Pontiac LeMans 4-door Sedan was the most upscale 4-door sedan in the mid-size line. As such 14,227 were delivered.
1965 Pontiac LeMans Sports Coupe
The 1965 Pontiac LeMans Sports Coupe was quite popular and 18,881 were delivered.
1965 Pontiac Tempest Custom Convertible
The 1965 Pontiac Tempest Custom Convertible was the entry-level drop-top with only 8,346 sold.
1965 Pontiac Tempest Custom Hardtop Coupe
The 1965 Pontiac Tempest Custom Hardtop Coupe was the entry level hardtop, but its austere trim resulted in only 21,906 produced.
1965 Pontiac Tempest Custom Sports Coupe
The 1965 Pontiac Tempest Custom Sports Coupe had a bit more flash than its lesser sibling but sold in equal numbers with 18,367 delivered.
1965 Pontiac Tempest Custom 4-door Sedan
1965 Pontiac Tempest Custom 4-door Sedan was reasonably popular with 25,242 delivered.
1965 Pontiac Tempest Custom Safari
The 1965 Pontiac Tempest Custom Safari was the upscale station wagon in the mid-size line. 10,792 were produced.
1965 Pontiac Tempest 4-door Sedan
the 1965 Pontiac Tempest 4-door Sedan sat second to the Tempest Custom version with 15,705 produced.
1965 Pontiac Tempest Sports Coupe
The 1965 Pontiac Tempest Sports Coupe was a good-looking base tw0-door and 18,198 were sold.









