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AutoKontrol

Speed Limiter Savings Calculator

Enter your fleet details to see your potential annual savings

AutoKontrol

Speed Limiter Savings Calculator

Enter your fleet details to see your potential annual savings

Fuel Type

Installation Type

Annual Fuel Saved
litres/year
Annual Cost Saving
/year
Annual CO₂ Saved
tonnes CO₂/year
ROI Payback
months
5-Year Net Saving
Total Investment
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Calculation Assumptions & Methodology

• HGV (56→52 mph): 10% fuel saving | Van (70→60 mph): 12% | Company Car (80+→70 mph): 28% | Bus/Coach (62→56 mph): 11%

• UK Imperial gallon = 4.54609 litres

• CO₂: Diesel 2.68 kg/L, Petrol 2.31 kg/L (DEFRA GHG factors)

• Fuel prices are regional defaults — enter your actual price for accuracy

• Savings are estimates based on sustained motorway/dual-carriageway driving

Speed Limiter Solutions

Mechanical, electronic, SENT, GPS-monitored, or geofence-limited — we manufacture every speed limiter technology available.

Latest Generation

SENT Speed Limiter

For the latest generation of vehicles using SENT (Single Edge Nibble Transmission) throttle signal technology. Future-proof speed control for Euro VI+ standards and beyond.

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Electronic Throttle

Drive-By-Wire (DBW)

Electronic speed limiter for vehicles fitted with Drive-By-Wire electronic throttle systems. Precise control, tamper-resistant design, and CAN bus integration.

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Cable Throttle

System 80 Mechanical

The proven mechanical speed limiter for cable throttle vehicles. Robust, reliable, and trusted by fleet operators in over 50 countries.

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Speed Limiter + GPS

TrackSpeed

The only solution on the market that combines a speed limiter with GPS tracking. Speed compliance and full fleet visibility from a single installation.

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IoT Innovation

GeoKontrol 2

Automatic speed adjustment based on GPS location. Vehicles slow down in 20mph zones, construction sites, or custom geofenced areas — without driver intervention.

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Our Products Mechanical, electronic, SENT, GPS-monitored, or geofence-lim...