

(1961 model)
| Marque (make) | Triumph | Issued from | 1961 |
|---|---|---|---|
| Model | TR-4 | Issued until | |
| Serie | TR | Number made | |
| Model family | Body construction | ||
| Model code | Body designation | ||
| Manufacturer | Triumph | Country | UK |
| Base platform | Number of doors | 2 | |
|---|---|---|---|
| Bodywork type | drophead coupé (convertible coupé) | Number of seats | 2 |
| Bodywork designer | Cargo capacity (volume) | ||
| Passenger space (volume) | 3350 l / 118.30 cu ft / 118.30 cu ft | Max. cargo capacity (volume) |
| Length | 3962 mm / 156.0 in / 156.0 in | Total (curb) weight | 966 kg / 2130 lb / 2130 lb |
|---|---|---|---|
| Width | 1461 mm / 57.5 in / 57.5 in | Dry weight | |
| Height | 1270 mm / 50.0 in / 50.0 in | Load capacity | |
| Wheelbase | 2238 mm / 88.1 in / 88.1 in | Gross (max.) weight | |
| Track front | 1245 mm / 49.0 in / 49.0 in | Towing weight | |
| Track rear | 1219 mm / 48.0 in / 48.0 in | Weight distribution (front) | |
| Ground clearance | 152 mm / 6.0 in / 6.0 in | Fuel capacity | 53 l / 11.7 UK gal / 14.1 US gal |
| Length/wheelbase ratio | 1.77 |
| Drag coefficient | 0.5 | Frontal Area | |
|---|---|---|---|
| Cx |
| Engine Code | Total number of cylinders | 4 | |
|---|---|---|---|
| Engine Type | straight (inline) (Inline, 4 cylinder) | Total number of valves | 8 |
| Engine Manufacturer | Triumph | Valves per cylinder | 2 |
| Engine construction | Bore | 86.0 mm / 3.39 in / 3.39 in | |
| Fuel | petrol (gasoline) | Stroke | 92.0 mm / 3.62 in / 3.62 in |
| Fuel details | Bore/Stroke ratio | 0.93 | |
| Fuel supply | 2 SU carbs | Engine displacement | 2138 cm3 / 130.5 cu in / 130.5 cu in |
| Engine Main bearings | 5 | Unitary capacity | 534.50 cm3/cylinder / 32.617 cu in/cylinder / 32.617 cu in/cylinder |
| Cam Design | OHV (overhead valve, I-head) | Compression ratio | 9.0 : 1 |
| Sump | Max. output power | 74.6 kW / 101.4 hp / 101.4 hp at 4600 rpm / 4600 rpm / 4600 rpm | |
| Aspiration | natural | Max. torque | 172.0 Nm / 126.9 lbft / 126.9 lbft at 3350 rpm / 3350 rpm / 3350 rpm |
| Compressor type | N/A | Maximum rpm | |
| Intercooler | no | Max. net output | 73.5 kW / 99.9 bhp / 99.9 bhp |
| Coolant | water | Specific output | 46.8 kW/l / 1.043 bhp/cu in / 1.043 bhp/cu in |
| Catalytic converter | no | Specific torque | 80.45 Nm/l / 0.704 lbft/cu in / 0.704 lbft/cu in |
| Transmission type | manual | Number of gears | 4 |
|---|---|---|---|
| Wheel drive | rear wheel drive | Top gear (drive) ratio | 1 |
| Final gear (drive) ratio | 3.7 |
| Acceleration 0-50 mph (80 km/h) | 8.30 s / 8.30 s / 8.30 s | Top (maximal) speed | 165 km/h / 103 mph / 103 mph |
|---|---|---|---|
| Acceleration 0-60 mph (96 km/h) | 10.90 s / 10.90 s / 10.90 s | Power-to-weight ratio | 103.52 kW/ton / 140.75 bhp/ton / 140.75 bhp/ton |
| Acceleration 0-100 km/h | Fuel consumption, City (urban) | ||
| Acceleration 0-100 mph (160 km/h) | Fuel consumption, Road (extra-urban) | ||
| Acceleration 80-120 km/h (50-70 mph) in top | Fuel consumption, Mixed (combined) | ||
| 0-Quarter-mile time | Fuel consumption, Euro | ||
| 0-Kilometer time | CO2 emissions |
| Engine location | front | Engine alignment | longitudinal |
|---|---|---|---|
| Steering | Steering details | ||
| Turns lock-to-lock | 2.5 | Turning circle | 10.40 m / 34.12 ft / 34.12 ft |
| Suspension front | I.CS. | Suspension rear | LA.SE. |
| Wheels front | Wheels rear | ||
| Tyres front | 5.50-15 | Tyres rear | 5.50-15 |
| Brakes front | disc | Brakes rear | drum |
| Brakes details | Braked area | ||
| Brake diameter front | Brake diameter rear |
Technical specifications and performance data of Triumph TR-4