Mazda RX-7 RX 7 I (SA) 1.1 Wankel (105 Hp)
Mazda RX-7:
The Mazda RX-7 is a sports car which was manufactured and marketed by Mazda from 1978 to 2002 across three generations. It has a front mid engine, rear-wheel-drive layout and uses a compact and lightweight Wankel rotary engine.
The first-generation RX-7, codenamed SA and FB , is a two-seater coupé with a rear hatchback. It featured a 12A carbureted rotary engine as well as the option for a 13B rotary engine with electronic fuel injection in later years. The second-generation RX-7, carrying the internal model code FC, was offered as a two-seater coupé with a 2+2 option available in some markets, as well as in a convertible body style. This was powered by the 13B rotary engine, offered in naturally aspirated or turbocharged forms. The third-generation RX-7, model code FD, was offered as a two-seater coupé with a 2+2 version offered as an option for the Japanese market. It featured a sequentially turbocharged 13B REW engine....(Read more on Wikipedia)
RX 7 I (SA) Overview:
Mazda RX-7 (RX 7 I (SA)). With 142 Nm of torque, it offers ample pulling power. Weighing only 1086 kg, it’s quite light. Rear‑wheel drive offers dynamic handling and sporty feedback. Acceleration is relatively slow (0–100 km/h in 9.5 s). The top speed reaches 190 km/h. A two-door car with a fixed roof, known for its sporty design and dynamic performance. Seating for 4 makes it ideal for daily use.
Pros and Cons:
Pros:
- • Efficiency-focused engine (105 hp), ideal for city commuting.
- • Respectable acceleration of 9.5 sec, suitable for most driving situations.
- • Rear-wheel drive layout for enhanced handling and balance.
- • Independent multi-link suspension for premium ride comfort.
- • Ventilated disc brakes for reliable cooling and stopping power.
- • Standard trunk space (391 L) suitable for daily needs.
Cons:
- • Previous generation model; may lack the latest driver-assist technologies.
Specifications:
Specifications are compared to those of the previous generation(RX 7 IV: 2000 - 2002).
| General: |
| Brand: | Mazda |
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| Model: | RX-7 |
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| Generation: | RX 7 I (SA) |
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| Modification (Engine): | 1.1 Wankel (105 Hp) |
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| Start of production: | July, 1979 |
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| End of production: | March, 1981 |
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| Powertrain Architecture: | Internal Combustion engine |
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| Body type: | Coupe |
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| Seats: | 4 |
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| Doors: | 2 |
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| Engine: |
| Power: | 105 Hp @ 6000 rpm. Same horsepower |
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| Power per litre: | 91.6 Hp/l [8mm more] |
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| Torque: | 142 Nm @ 4000 rpm. |
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| Engine Model/Code: | 12A More details about the engine 12A |
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| Engine displacement: | 1146 |
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| Number of cylinders: | 2 |
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| Engine configuration: | Rotary (Wankel) |
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| Number of valves per cylinder: | 2 |
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| Fuel injection system: | Carburettor |
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| Engine aspiration: | Naturally aspirated engine |
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| Engine oil capacity: | 4.2 l |
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| Engine layout: | Front, Longitudinal |
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| Performance: |
| Fuel Type: | Petrol (Gasoline) |
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| Fuel consumption (economy) - extra urban: | 9.4 l/100 km |
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| Acceleration 0 - 100 km/h: | 9.5 sec |
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| Acceleration 0 - 62 mph: | 9.5 sec |
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| Maximum speed: | 190 km/h |
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| Weight-to-power ratio: | 10.3 kg/Hp, 96.7 Hp/tonne |
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| Weight-to-torque ratio: | 7.6 kg/Nm, 130.8 Nm/tonne |
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| Acceleration 0 - 60 mph: | 9 sec |
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| Space: |
| Kerb Weight: | 1086 |
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| Max. weight: | 1446 |
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| Max. roof load: | 50 kg |
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| Max load: | 360 |
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| Trunk (boot) space - minimum: | 391 l |
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| Permitted trailer load with brakes (12%): | 900 kg |
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| Fuel tank capacity: | 55 l |
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| Permitted trailer load without brakes: | 400 kg |
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| Size: |
| Length: | 4293 mm mm [8mm more] |
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| Width: | 1651 mm mm [109mm less] |
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| Height: | 1270 mm mm [40mm more] |
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| Wheelbase: | 2413 mm mm [12mm less] |
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| Front track: | 1422 mm |
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| Rear (Back) track: | 1397 mm |
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| Minimum turning circle (turning diameter): | 9.6 m [above average] |
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| Powertrain: |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the rear wheels of the vehicle. |
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| Drive wheel | Rear wheel drive |
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| Number of gears | 4 |
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| Transmission type | Manual |
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| Front brakes | Ventilated discs [Best for performance and cooling.] |
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| Rear brakes | Drum [bad for performance and cooling.] |
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| Steering type | Steering rack and pinion |
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| Tires size | 185/70 R13 |
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| Wheel rims size | 5J x 13; 5.5J x 13 |
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| Front suspension | Independent coil spring, Transverse stabilizer |
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| Rear suspension | Independent multi-link spring suspension with stabilizer |
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