| petrol | |
| diesel | |
| alcohol based | |
| gas (LPG, CNG) | |
| steam | |
| electricity |
(1999 model)
2-door 2-seater drophead coupé (convertible coupé), petrol (gasoline) 4-cylinder straight (inline) engine, 1796 cm3 / 109.6 cu in / 109.6 cu in, 141.7 kW / 190.0 hp / 190.0 hp @ 7500 rpm / 7500 rpm / 7500 rpm, 204.0 N·m / 150.5 lb·ft / 150.5 lb·ft @ 5750 rpm / 5750 rpm / 5750 rpm, rear wheel drive, 225 km/h / 140 mph / 140 mph top speed
| Marque (make) | Caterham | Issued from | 1999 |
|---|---|---|---|
| Model | 21 R | Issued until | |
| Serie | 21 | Number made | |
| Model family | Body construction | ||
| Model code | Body designation | ||
| Manufacturer | Caterham | 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) | Max. cargo capacity (volume) |
| Length | 3800 mm / 149.6 in / 149.6 in | Total (curb) weight | |
|---|---|---|---|
| Width | 1580 mm / 62.2 in / 62.2 in | Dry weight | |
| Height | 1060 mm / 41.7 in / 41.7 in | Load capacity | |
| Wheelbase | 2250 mm / 88.6 in / 88.6 in | Gross (max.) weight | |
| Track front | Towing weight | ||
| Track rear | Weight distribution (front) | ||
| Ground clearance | Fuel capacity | 66 l / 14.5 UK gal / 17.4 US gal | |
| Length/wheelbase ratio | 1.69 |
| Drag coefficient (Cd, Cx, Cw) | Frontal area (A) | 1.42 m2 / 15.3 sq ft / 15.3 sq ft (est.) | |
|---|---|---|---|
| Aerodynamic coefficient (Cd×A) | Aerodynamic resistance (Aero horse power) at 100 km/h (62 mph) |
| Engine Code | Total number of cylinders | 4 | |
|---|---|---|---|
| Engine Type | straight (inline) | Total number of valves | |
| Engine Manufacturer | Valves per cylinder | ||
| Engine construction | Bore | 80.0 mm / 3.15 in / 3.15 in | |
| Fuel | petrol (gasoline) | Stroke | 89.3 mm / 3.52 in / 3.52 in |
| Fuel details | Bore/Stroke ratio | 0.9 | |
| Fuel supply | Engine displacement | 1796 cm3 / 109.6 cu in / 109.6 cu in | |
| Engine Main bearings | Unitary capacity | 449.00 cm3/cylinder / 27.400 cu in/cylinder / 27.400 cu in/cylinder | |
| Cam Design | Compression ratio | ||
| Sump | Max. output power | 141.7 kW / 190.0 hp / 190.0 hp at 7500 rpm / 7500 rpm / 7500 rpm | |
| Aspiration | natural | Max. torque | 204.0 N·m / 150.5 lb·ft / 150.5 lb·ft at 5750 rpm / 5750 rpm / 5750 rpm |
| Compressor type | N/A | Maximum rpm | |
| Intercooler | no | Max. net output (power at the wheels) | 56.7 kW / 76.0 hp / 76.0 hp (est.) |
| Coolant | water | Specific output | 78.9 kW/l / 1.734 bhp/cu in / 1.734 bhp/cu in |
| Catalytic converter | yes | Specific torque | 113.6 N·m/l / 0.99 lb·ft/cu in / 0.99 lb·ft/cu in |
| Transmission type | Number of gears | ||
|---|---|---|---|
| Wheel drive | rear wheel drive | Top gear (drive) ratio | |
| Final gear (drive) ratio |
| Acceleration 0-50 mph (80 km/h) | Top (maximal) speed | 225 km/h / 140 mph / 140 mph | |
|---|---|---|---|
| Acceleration 0-60 mph (97 km/h) | 4.40 s / 4.40 s / 4.40 s | Power-to-weight ratio | |
| Acceleration 0-100 km/h | Fuel consumption, City (urban) | ||
| Acceleration 0-100 mph (160 km/h) | 10.50 s / 10.50 s / 10.50 s | Fuel consumption, Road (extra-urban) | |
| Acceleration 80-120 km/h (50-70 mph) in top | Fuel consumption, Mixed (combined) | ||
| Standing ¼mile time | Fuel consumption, Euro | ||
| Standing kilometer time | CO2 emissions | ||
| Range |
| Engine location | front | Engine alignment | longitudinal |
|---|---|---|---|
| Steering | rack & pinion | Steering details | |
| Turns lock-to-lock | Turning circle | ||
| Suspension front | Independent, Double wishbones, Coil springs, Anti-roll (anti-sway) bar (ARB) | Suspension rear | de Dion axle, Coil springs, Anti-roll (anti-sway) bar (ARB) |
| Wheels front | Wheels rear | ||
| Tyres front | Tyres rear | ||
| Brakes front | Brakes rear | ||
| Brake diameter front | Brake diameter rear | ||
| Brakes details | Braked area |
Technical specifications and performance data of Caterham 21 R
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