According to these tables, then, the most fuel efficient vehicle is the 2-seat Honda Insight, which uses a combination of motors for its driving force.
On the NRCan chart, the Insight uses only 717 litres of fuel and costs only $394 to go those 20,000 km.
Unless otherwise mentioned, by the way, all the vehicles in this list use a 5-speed manual transmission.
In the subcompact category, the VW Beetle TDI Diesel uses 1012 litres of fuel at a cost of $546, and the Chevrolet Metro and the Pontiac Firefly with the 1-litre, 3-cylinder engine use 1065 litres and $586.
Amongst compacts, the VW Golf and Jetta with the 1.9-litre TDI diesel registered 1012 litres and $546, while the Toyota Echo hybrid came in at 1265 litres and $696.
Mazda 626 with the 2-litre inline-4 led the mid-size segment at 1635 litres and $899.Toyota's Avalon with the 3-litre V6 and the 4-speed automatic topped the full-size segment, using 1898 litres for $1,044.
In the wagon category, the top finisher was the Suzuki Esteem with the 1.8-litre inline-4, at 1453 litres and $799.
For pickups (compact and full-size), there was a 3-way tie at 1854 litres and $1,020 between the Isuzu Hombre, GMC Sonoma and Chevrolet S10, all of which had 2.2-litre inline-4s.