1978 Fiat X1/9 Base
Unverified
Photo: 1978 Fiat X1.9 in white, front left by Mr.choppers, CC BY-SA 3.0, via Wikimedia Commons
Photo: 1985 Fiat X1 9 VS by Calreyn88, CC BY-SA 4.0, via Wikimedia Commons
Photo: 1981 Fiat X1slash9 by Calreyn88, CC BY-SA 4.0, via Wikimedia Commons
Photo: 1978 Fiat X1.9 in white, rear left by Mr.choppers, CC BY-SA 3.0, via Wikimedia Commons
Photo: W9830 Fiat X19 DG Interieur Vallet Derouilles2026 20260726 081409238PXL by Llann Wé², CC BY-SA 4.0, via Wikimedia Commons
Photos show the X1/9 (1974–1989); trim, color, and model year may differ.
All photo credits
- Photo: 1978 Fiat X1.9 in white, front left by Mr.choppers, CC BY-SA 3.0, via Wikimedia Commons
- Photo: 1985 Fiat X1 9 VS by Calreyn88, CC BY-SA 4.0, via Wikimedia Commons
- Photo: 1981 Fiat X1slash9 by Calreyn88, CC BY-SA 4.0, via Wikimedia Commons
- Photo: 1978 Fiat X1.9 in white, rear left by Mr.choppers, CC BY-SA 3.0, via Wikimedia Commons
- Photo: W9830 Fiat X19 DG Interieur Vallet Derouilles2026 20260726 081409238PXL by Llann Wé², CC BY-SA 4.0, via Wikimedia Commons
The 1978 Fiat X1/9 Base is a 61-hp 1.3-liter inline-4 with a 4-speed manual and rear-wheel drive. It starts at $5,700 MSRP.
It makes 61 horsepower.
The X1/9 measures 150.8 inches long on a 86.7-inch wheelbase and has a curb weight of 1,955 lb.
| Spec | Value |
|---|---|
| Vehicle | |
| Body Type | Coupe |
| Powertrain | Gas |
| Price | |
| MSRP | $5,700 ($28,413 *) |
| Engine | |
| Engine Type | 1.3L Inline-4 SOHC |
| Displacement | 1.3 L |
| Horsepower | 61 hp |
| Valvetrain | SOHC, 2 valves/cylinder, belt-driven |
| Bore and Stroke | 86.0 x 55.5 |
| Compression Ratio | 8.9:1 |
| Injection Type | Carburetor |
| Drivetrain | |
| Drive Type | RWD |
| Transmission | |
| Transmission | 4-speed manual |
| Fuel Economy | |
| Tank Capacity | 12.6 gal |
| Suspension | |
| Front Suspension | Independent, MacPherson struts, lower lateral link, reaction strut, coil springs |
| Rear Suspension | Independent, MacPherson struts, lower A-arm, coil springs |
| Brakes | |
| Front Brake Disc | Disc |
| Rear Brake Disc | Disc |
| Tires & Wheels | |
| Wheels Front | 13-in. |
| Wheels Rear | 13-in. |
| Tires Front | 145 HR 13 |
| Tires Rear | 145 HR 13 |
| Dimensions & Weight | |
| Length | 150.8 in |
| Width | 61.8 in |
| Height | 46.1 in |
| Wheelbase | 86.7 in |
| Front Track | 52.6 in |
| Rear Track | 52.9 in |
| Curb Weight | 1,955 lbs |
* Amount adjusted for inflation to 2026 dollars
Similar cars
Rivals to the 1978 Fiat X1/9 Base with similar size, power and price from around the same years.
Safety & Recalls
No NHTSA data available for the 1978 Fiat X1/9.
Source: US National Highway Traffic Safety Administration (nhtsa.gov). US-market vehicles only; data cached for up to 7 days.