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TVR
420 SEAC
(1987)




Basic (general) data

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Marque (make)Image of TVR 420 SEAC
TVR
Serie420
Model family
Model420 SEAC
Model code
Issued from1987
Issued until
Country of originUK
Number made
Body construction
Body designation

Bodywork

 
Base platform
Bodywork typedrophead coupé (convertible coupé)
Bodywork designer
Number of doors2
Number of seats2
Cargo capacity (volume) [l / cu ft / cu ft]
Max. cargo capacity (volume) [l / cu ft / cu ft]
Passenger space (volume) [l / cu ft / cu ft]

Dimensions & Weight

 
Wheelbase [mm / in / in]2388 / 94.0 / 94.0
Track front [mm / in / in]1468 / 57.8 / 57.8
Track rear [mm / in / in]1478 / 58.2 / 58.2
Length [mm / in / in]4013 / 158.0 / 158.0
Width [mm / in / in]1727 / 68.0 / 68.0
Height [mm / in / in]1207 / 47.5 / 47.5
Length/wheelbase ratio1.68
Ground clearance [mm / in / in]150 / 5.9 / 5.9
Total (curb) weight [kg / lb / lb]1170 / 2579 / 2579
Dry weight [kg / lb / lb]
Load capacity [kg / lb / lb]
Gross (max.) weight [kg / lb / lb]
Towing weight [kg / lb / lb]
Weight distribution (front) [% / % / %]
Fuel capacity [l / UK gal / US gal]59 / 13.0 / 15.6

Aerodynamics

 
Drag coefficient (Cd, Cx, Cw)
Frontal area (A) [m2 / sq ft / sq ft]1.77 / 19.1 / 19.1 (est.)
Aerodynamic coefficient (Cd×A) [m2 / sq ft / sq ft]
Aerodynamic resistance (Aero horse power) at 100 km/h (62 mph) [kW / hp / hp]

Engine

 
Engine Code
Engine ManufacturerRover (TVR modified)
Engine TypeV engine
Engine Type DetailsV8
Sump
Fuelpetrol (gasoline)
Fuel details
Cam DesignOHV (overhead valve, I-head)
Total number of cylinders8
Total number of valves16
Valves per cylinder2
Engine Main bearings5
Engine construction
Bore [mm / in / in]93.4 / 3.68 / 3.68
Stroke [mm / in / in]77.1 / 3.04 / 3.04
Bore/Stroke ratio1.21
Engine displacement [cm3 / cu in / cu in]4226 / 257.9 / 257.9
Unitary capacity [cm3/cylinder / cu in/cylinder / cu in/cylinder]528.25 / 32.236 / 32.236
Compression ratio9.8
Fuel supplyLu L-Jet fuel inj.
Aspirationnatural
Compressor typeN/A
Intercoolerno
Catalytic converterno
Max. output power [kW / hp / hp]223.7 / 300.0 / 300.0
Max. output power rpm [rpm / rpm / rpm]5500 / 5500 / 5500
Max. torque [N·m / lb·ft / lb·ft]393.0 / 289.9 / 289.9
Max. torque rpm [rpm / rpm / rpm]4500 / 4500 / 4500
Maximum rpm [rpm / rpm / rpm]
Coolantwater
Max. net output (power at the wheels) [kW / hp / hp]86.2 / 115.6 / 115.6 (est.)
Specific output [kW/l / bhp/cu in / bhp/cu in]52.9 / 1.163 / 1.163
Specific torque [N·m/l / lb·ft/cu in / lb·ft/cu in]93.0 / 0.81 / 0.81

Transmission

 
Transmission typemanual
Number of gears5
Wheel driverear wheel drive
Top gear (drive) ratio0.72
Final gear (drive) ratio3.07

Performance

 
Power-to-weight ratio [kW/ton / bhp/ton / bhp/ton]256.4 / 194.3 / 194.3
Acceleration 0-50 mph (80 km/h) [s / s / s]
Acceleration 0-60 mph (97 km/h) [s / s / s]5.00 / 5.00 / 5.00
Acceleration 0-100 km/h [s / s / s]
Acceleration 0-100 mph (160 km/h) [s / s / s]
Acceleration 80-120 km/h (50-70 mph) in top [s / s / s]
Standing ¼mile time [s / s / s]
Standing ¼mile speed [km/h / mph / mph]
Standing kilometer time [s / s / s]
Standing kilometer speed [km/h / mph / mph]
Top (maximal) speed [km/h / mph / mph]266 / 165 / 165
Fuel consumption, City (urban) [l/100km / mpg-UK / mpg-US]
Fuel consumption, Road (extra-urban) [l/100km / mpg-UK / mpg-US]
Fuel consumption, Mixed (combined) [l/100km / mpg-UK / mpg-US]
Fuel consumption, Euro [l/100km / mpg-UK / mpg-US]
CO2 emissions [g/km / g/mi / g/mi]
Range [km / mi / mi]

Chassis

 
Engine locationfront
Engine alignmentlongitudinal
Steeringrack & pinion
Steering details
Turns lock-to-lock3.7
Suspension frontIndependent, Double wishbones, Coil springs, Anti-roll (anti-sway) bar (ARB)
Suspension rearIndependent, Lower wishbone, Coil springs, Anti-roll (anti-sway) bar (ARB)
Wheels front
Wheels rear
Tyres front
Tyres rear
Brakes frontventilated disc
Brakes reardisc
Brakes detailsservo-assisted
Brake diameter front [mm / in / in]
Brake diameter rear [mm / in / in]
Braked area [cm2 / sq in / sq in]
Infobox

Car Insurance FAQs #3

Why is the insurance company not returning all of my premium after the policy was canceled?

Depending on the type of policy, you may be required to pay a minimum premium, or the premium may be fully "earned." In other instances, if you replaced your coverage with a different company, during the policy term, you may be subject to a "short-rate" penalty, which is usually about 10% of the unearned amount. You might also have some premium due for recent changes in coverage. The company should be able to provide a detailed billing history that explains the return-premium calculation.

Am I required to complete a medical questionnaire?

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